diff --git a/programs/aes/crypt_and_hash.c b/programs/aes/crypt_and_hash.c
index 476c20e..0187648 100644
--- a/programs/aes/crypt_and_hash.c
+++ b/programs/aes/crypt_and_hash.c
@@ -28,7 +28,7 @@
 #include "mbedtls/platform.h"
 
 #if defined(MBEDTLS_CIPHER_C) && defined(MBEDTLS_MD_C) && \
- defined(MBEDTLS_FS_IO)
+    defined(MBEDTLS_FS_IO)
 #include "mbedtls/cipher.h"
 #include "mbedtls/md.h"
 #include "mbedtls/platform_util.h"
@@ -59,15 +59,15 @@
 
 #if !defined(MBEDTLS_CIPHER_C) || !defined(MBEDTLS_MD_C) || \
     !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_CIPHER_C and/or MBEDTLS_MD_C and/or MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1, i;
     unsigned n;
@@ -91,138 +91,121 @@
 #if defined(_WIN32_WCE)
     long filesize, offset;
 #elif defined(_WIN32)
-       LARGE_INTEGER li_size;
+    LARGE_INTEGER li_size;
     __int64 filesize, offset;
 #else
-      off_t filesize, offset;
+    off_t filesize, offset;
 #endif
 
-    mbedtls_cipher_init( &cipher_ctx );
-    mbedtls_md_init( &md_ctx );
+    mbedtls_cipher_init(&cipher_ctx);
+    mbedtls_md_init(&md_ctx);
 
     /*
      * Parse the command-line arguments.
      */
-    if( argc != 7 )
-    {
+    if (argc != 7) {
         const int *list;
 
-        mbedtls_printf( USAGE );
+        mbedtls_printf(USAGE);
 
-        mbedtls_printf( "Available ciphers:\n" );
+        mbedtls_printf("Available ciphers:\n");
         list = mbedtls_cipher_list();
-        while( *list )
-        {
-            cipher_info = mbedtls_cipher_info_from_type( *list );
-            mbedtls_printf( "  %s\n", mbedtls_cipher_info_get_name( cipher_info ) );
+        while (*list) {
+            cipher_info = mbedtls_cipher_info_from_type(*list);
+            mbedtls_printf("  %s\n", mbedtls_cipher_info_get_name(cipher_info));
             list++;
         }
 
-        mbedtls_printf( "\nAvailable message digests:\n" );
+        mbedtls_printf("\nAvailable message digests:\n");
         list = mbedtls_md_list();
-        while( *list )
-        {
-            md_info = mbedtls_md_info_from_type( *list );
-            mbedtls_printf( "  %s\n", mbedtls_md_get_name( md_info ) );
+        while (*list) {
+            md_info = mbedtls_md_info_from_type(*list);
+            mbedtls_printf("  %s\n", mbedtls_md_get_name(md_info));
             list++;
         }
 
         goto exit;
     }
 
-    mode = atoi( argv[1] );
+    mode = atoi(argv[1]);
 
-    if( mode != MODE_ENCRYPT && mode != MODE_DECRYPT )
-    {
-        mbedtls_fprintf( stderr, "invalid operation mode\n" );
+    if (mode != MODE_ENCRYPT && mode != MODE_DECRYPT) {
+        mbedtls_fprintf(stderr, "invalid operation mode\n");
         goto exit;
     }
 
-    if( strcmp( argv[2], argv[3] ) == 0 )
-    {
-        mbedtls_fprintf( stderr, "input and output filenames must differ\n" );
+    if (strcmp(argv[2], argv[3]) == 0) {
+        mbedtls_fprintf(stderr, "input and output filenames must differ\n");
         goto exit;
     }
 
-    if( ( fin = fopen( argv[2], "rb" ) ) == NULL )
-    {
-        mbedtls_fprintf( stderr, "fopen(%s,rb) failed\n", argv[2] );
+    if ((fin = fopen(argv[2], "rb")) == NULL) {
+        mbedtls_fprintf(stderr, "fopen(%s,rb) failed\n", argv[2]);
         goto exit;
     }
 
-    if( ( fout = fopen( argv[3], "wb+" ) ) == NULL )
-    {
-        mbedtls_fprintf( stderr, "fopen(%s,wb+) failed\n", argv[3] );
+    if ((fout = fopen(argv[3], "wb+")) == NULL) {
+        mbedtls_fprintf(stderr, "fopen(%s,wb+) failed\n", argv[3]);
         goto exit;
     }
 
     /* Ensure no stdio buffering of secrets, as such buffers cannot be wiped. */
-    mbedtls_setbuf( fin, NULL );
-    mbedtls_setbuf( fout, NULL );
+    mbedtls_setbuf(fin, NULL);
+    mbedtls_setbuf(fout, NULL);
 
     /*
      * Read the Cipher and MD from the command line
      */
-    cipher_info = mbedtls_cipher_info_from_string( argv[4] );
-    if( cipher_info == NULL )
-    {
-        mbedtls_fprintf( stderr, "Cipher '%s' not found\n", argv[4] );
+    cipher_info = mbedtls_cipher_info_from_string(argv[4]);
+    if (cipher_info == NULL) {
+        mbedtls_fprintf(stderr, "Cipher '%s' not found\n", argv[4]);
         goto exit;
     }
-    if( ( ret = mbedtls_cipher_setup( &cipher_ctx, cipher_info) ) != 0 )
-    {
-        mbedtls_fprintf( stderr, "mbedtls_cipher_setup failed\n" );
+    if ((ret = mbedtls_cipher_setup(&cipher_ctx, cipher_info)) != 0) {
+        mbedtls_fprintf(stderr, "mbedtls_cipher_setup failed\n");
         goto exit;
     }
 
-    md_info = mbedtls_md_info_from_string( argv[5] );
-    if( md_info == NULL )
-    {
-        mbedtls_fprintf( stderr, "Message Digest '%s' not found\n", argv[5] );
+    md_info = mbedtls_md_info_from_string(argv[5]);
+    if (md_info == NULL) {
+        mbedtls_fprintf(stderr, "Message Digest '%s' not found\n", argv[5]);
         goto exit;
     }
 
-    if( mbedtls_md_setup( &md_ctx, md_info, 1 ) != 0 )
-    {
-        mbedtls_fprintf( stderr, "mbedtls_md_setup failed\n" );
+    if (mbedtls_md_setup(&md_ctx, md_info, 1) != 0) {
+        mbedtls_fprintf(stderr, "mbedtls_md_setup failed\n");
         goto exit;
     }
 
     /*
      * Read the secret key from file or command line
      */
-    if( ( fkey = fopen( argv[6], "rb" ) ) != NULL )
-    {
-        keylen = fread( key, 1, sizeof( key ), fkey );
-        fclose( fkey );
-    }
-    else
-    {
-        if( memcmp( argv[6], "hex:", 4 ) == 0 )
-        {
+    if ((fkey = fopen(argv[6], "rb")) != NULL) {
+        keylen = fread(key, 1, sizeof(key), fkey);
+        fclose(fkey);
+    } else {
+        if (memcmp(argv[6], "hex:", 4) == 0) {
             p = &argv[6][4];
             keylen = 0;
 
-            while( sscanf( p, "%02X", (unsigned int*) &n ) > 0 &&
-                   keylen < (int) sizeof( key ) )
-            {
+            while (sscanf(p, "%02X", (unsigned int *) &n) > 0 &&
+                   keylen < (int) sizeof(key)) {
                 key[keylen++] = (unsigned char) n;
                 p += 2;
             }
-        }
-        else
-        {
-            keylen = strlen( argv[6] );
+        } else {
+            keylen = strlen(argv[6]);
 
-            if( keylen > (int) sizeof( key ) )
-                keylen = (int) sizeof( key );
+            if (keylen > (int) sizeof(key)) {
+                keylen = (int) sizeof(key);
+            }
 
-            memcpy( key, argv[6], keylen );
+            memcpy(key, argv[6], keylen);
         }
     }
 
 #if defined(_WIN32_WCE)
-    filesize = fseek( fin, 0L, SEEK_END );
+    filesize = fseek(fin, 0L, SEEK_END);
 #else
 #if defined(_WIN32)
     /*
@@ -230,72 +213,64 @@
      */
     li_size.QuadPart = 0;
     li_size.LowPart  =
-        SetFilePointer( (HANDLE) _get_osfhandle( _fileno( fin ) ),
-                        li_size.LowPart, &li_size.HighPart, FILE_END );
+        SetFilePointer((HANDLE) _get_osfhandle(_fileno(fin)),
+                       li_size.LowPart, &li_size.HighPart, FILE_END);
 
-    if( li_size.LowPart == 0xFFFFFFFF && GetLastError() != NO_ERROR )
-    {
-        mbedtls_fprintf( stderr, "SetFilePointer(0,FILE_END) failed\n" );
+    if (li_size.LowPart == 0xFFFFFFFF && GetLastError() != NO_ERROR) {
+        mbedtls_fprintf(stderr, "SetFilePointer(0,FILE_END) failed\n");
         goto exit;
     }
 
     filesize = li_size.QuadPart;
 #else
-    if( ( filesize = lseek( fileno( fin ), 0, SEEK_END ) ) < 0 )
-    {
-        perror( "lseek" );
+    if ((filesize = lseek(fileno(fin), 0, SEEK_END)) < 0) {
+        perror("lseek");
         goto exit;
     }
 #endif
 #endif
 
-    if( fseek( fin, 0, SEEK_SET ) < 0 )
-    {
-        mbedtls_fprintf( stderr, "fseek(0,SEEK_SET) failed\n" );
+    if (fseek(fin, 0, SEEK_SET) < 0) {
+        mbedtls_fprintf(stderr, "fseek(0,SEEK_SET) failed\n");
         goto exit;
     }
 
-    if( mode == MODE_ENCRYPT )
-    {
+    if (mode == MODE_ENCRYPT) {
         /*
          * Generate the initialization vector as:
          * IV = MD( filesize || filename )[0..15]
          */
-        for( i = 0; i < 8; i++ )
-            buffer[i] = (unsigned char)( filesize >> ( i << 3 ) );
+        for (i = 0; i < 8; i++) {
+            buffer[i] = (unsigned char) (filesize >> (i << 3));
+        }
 
         p = argv[2];
 
-        if( mbedtls_md_starts( &md_ctx ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_starts() returned error\n" );
+        if (mbedtls_md_starts(&md_ctx) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_starts() returned error\n");
             goto exit;
         }
-        if( mbedtls_md_update( &md_ctx, buffer, 8 ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_update() returned error\n" );
+        if (mbedtls_md_update(&md_ctx, buffer, 8) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_update() returned error\n");
             goto exit;
         }
-        if( mbedtls_md_update( &md_ctx, ( unsigned char * ) p, strlen( p ) )
-            != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_update() returned error\n" );
+        if (mbedtls_md_update(&md_ctx, (unsigned char *) p, strlen(p))
+            != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_update() returned error\n");
             goto exit;
         }
-        if( mbedtls_md_finish( &md_ctx, digest ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_finish() returned error\n" );
+        if (mbedtls_md_finish(&md_ctx, digest) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_finish() returned error\n");
             goto exit;
         }
 
-        memcpy( IV, digest, 16 );
+        memcpy(IV, digest, 16);
 
         /*
          * Append the IV at the beginning of the output.
          */
-        if( fwrite( IV, 1, 16, fout ) != 16 )
-        {
-            mbedtls_fprintf( stderr, "fwrite(%d bytes) failed\n", 16 );
+        if (fwrite(IV, 1, 16, fout) != 16) {
+            mbedtls_fprintf(stderr, "fwrite(%d bytes) failed\n", 16);
             goto exit;
         }
 
@@ -303,131 +278,111 @@
          * Hash the IV and the secret key together 8192 times
          * using the result to setup the AES context and HMAC.
          */
-        memset( digest, 0,  32 );
-        memcpy( digest, IV, 16 );
+        memset(digest, 0,  32);
+        memcpy(digest, IV, 16);
 
-        for( i = 0; i < 8192; i++ )
-        {
-            if( mbedtls_md_starts( &md_ctx ) != 0 )
-            {
-                mbedtls_fprintf( stderr,
-                                 "mbedtls_md_starts() returned error\n" );
+        for (i = 0; i < 8192; i++) {
+            if (mbedtls_md_starts(&md_ctx) != 0) {
+                mbedtls_fprintf(stderr,
+                                "mbedtls_md_starts() returned error\n");
                 goto exit;
             }
-            if( mbedtls_md_update( &md_ctx, digest, 32 ) != 0 )
-            {
-                mbedtls_fprintf( stderr,
-                                 "mbedtls_md_update() returned error\n" );
+            if (mbedtls_md_update(&md_ctx, digest, 32) != 0) {
+                mbedtls_fprintf(stderr,
+                                "mbedtls_md_update() returned error\n");
                 goto exit;
             }
-            if( mbedtls_md_update( &md_ctx, key, keylen ) != 0 )
-            {
-                mbedtls_fprintf( stderr,
-                                 "mbedtls_md_update() returned error\n" );
+            if (mbedtls_md_update(&md_ctx, key, keylen) != 0) {
+                mbedtls_fprintf(stderr,
+                                "mbedtls_md_update() returned error\n");
                 goto exit;
             }
-            if( mbedtls_md_finish( &md_ctx, digest ) != 0 )
-            {
-                mbedtls_fprintf( stderr,
-                                 "mbedtls_md_finish() returned error\n" );
+            if (mbedtls_md_finish(&md_ctx, digest) != 0) {
+                mbedtls_fprintf(stderr,
+                                "mbedtls_md_finish() returned error\n");
                 goto exit;
             }
 
         }
 
-        if( mbedtls_cipher_setkey( &cipher_ctx,
-                                   digest,
-                                   (int) mbedtls_cipher_info_get_key_bitlen( cipher_info ),
-                           MBEDTLS_ENCRYPT ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_cipher_setkey() returned error\n");
+        if (mbedtls_cipher_setkey(&cipher_ctx,
+                                  digest,
+                                  (int) mbedtls_cipher_info_get_key_bitlen(cipher_info),
+                                  MBEDTLS_ENCRYPT) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_cipher_setkey() returned error\n");
             goto exit;
         }
-        if( mbedtls_cipher_set_iv( &cipher_ctx, IV, 16 ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_cipher_set_iv() returned error\n");
+        if (mbedtls_cipher_set_iv(&cipher_ctx, IV, 16) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_cipher_set_iv() returned error\n");
             goto exit;
         }
-        if( mbedtls_cipher_reset( &cipher_ctx ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_cipher_reset() returned error\n");
+        if (mbedtls_cipher_reset(&cipher_ctx) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_cipher_reset() returned error\n");
             goto exit;
         }
 
-        if( mbedtls_md_hmac_starts( &md_ctx, digest, 32 ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_hmac_starts() returned error\n" );
+        if (mbedtls_md_hmac_starts(&md_ctx, digest, 32) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_hmac_starts() returned error\n");
             goto exit;
         }
 
         /*
          * Encrypt and write the ciphertext.
          */
-        for( offset = 0; offset < filesize; offset += mbedtls_cipher_get_block_size( &cipher_ctx ) )
-        {
-            ilen = ( (unsigned int) filesize - offset > mbedtls_cipher_get_block_size( &cipher_ctx ) ) ?
-                mbedtls_cipher_get_block_size( &cipher_ctx ) : (unsigned int) ( filesize - offset );
+        for (offset = 0; offset < filesize; offset += mbedtls_cipher_get_block_size(&cipher_ctx)) {
+            ilen = ((unsigned int) filesize - offset > mbedtls_cipher_get_block_size(&cipher_ctx)) ?
+                   mbedtls_cipher_get_block_size(&cipher_ctx) : (unsigned int) (filesize - offset);
 
-            if( fread( buffer, 1, ilen, fin ) != ilen )
-            {
-                mbedtls_fprintf( stderr, "fread(%ld bytes) failed\n", (long) ilen );
+            if (fread(buffer, 1, ilen, fin) != ilen) {
+                mbedtls_fprintf(stderr, "fread(%ld bytes) failed\n", (long) ilen);
                 goto exit;
             }
 
-            if( mbedtls_cipher_update( &cipher_ctx, buffer, ilen, output, &olen ) != 0 )
-            {
-                mbedtls_fprintf( stderr, "mbedtls_cipher_update() returned error\n");
+            if (mbedtls_cipher_update(&cipher_ctx, buffer, ilen, output, &olen) != 0) {
+                mbedtls_fprintf(stderr, "mbedtls_cipher_update() returned error\n");
                 goto exit;
             }
 
-            if( mbedtls_md_hmac_update( &md_ctx, output, olen ) != 0 )
-            {
-                mbedtls_fprintf( stderr, "mbedtls_md_hmac_update() returned error\n" );
+            if (mbedtls_md_hmac_update(&md_ctx, output, olen) != 0) {
+                mbedtls_fprintf(stderr, "mbedtls_md_hmac_update() returned error\n");
                 goto exit;
             }
 
-            if( fwrite( output, 1, olen, fout ) != olen )
-            {
-                mbedtls_fprintf( stderr, "fwrite(%ld bytes) failed\n", (long) olen );
+            if (fwrite(output, 1, olen, fout) != olen) {
+                mbedtls_fprintf(stderr, "fwrite(%ld bytes) failed\n", (long) olen);
                 goto exit;
             }
         }
 
-        if( mbedtls_cipher_finish( &cipher_ctx, output, &olen ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_cipher_finish() returned error\n" );
+        if (mbedtls_cipher_finish(&cipher_ctx, output, &olen) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_cipher_finish() returned error\n");
             goto exit;
         }
-        if( mbedtls_md_hmac_update( &md_ctx, output, olen ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_hmac_update() returned error\n" );
+        if (mbedtls_md_hmac_update(&md_ctx, output, olen) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_hmac_update() returned error\n");
             goto exit;
         }
 
-        if( fwrite( output, 1, olen, fout ) != olen )
-        {
-            mbedtls_fprintf( stderr, "fwrite(%ld bytes) failed\n", (long) olen );
+        if (fwrite(output, 1, olen, fout) != olen) {
+            mbedtls_fprintf(stderr, "fwrite(%ld bytes) failed\n", (long) olen);
             goto exit;
         }
 
         /*
          * Finally write the HMAC.
          */
-        if( mbedtls_md_hmac_finish( &md_ctx, digest ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_hmac_finish() returned error\n" );
+        if (mbedtls_md_hmac_finish(&md_ctx, digest) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_hmac_finish() returned error\n");
             goto exit;
         }
 
-        if( fwrite( digest, 1, mbedtls_md_get_size( md_info ), fout ) != mbedtls_md_get_size( md_info ) )
-        {
-            mbedtls_fprintf( stderr, "fwrite(%d bytes) failed\n", mbedtls_md_get_size( md_info ) );
+        if (fwrite(digest, 1, mbedtls_md_get_size(md_info), fout) != mbedtls_md_get_size(md_info)) {
+            mbedtls_fprintf(stderr, "fwrite(%d bytes) failed\n", mbedtls_md_get_size(md_info));
             goto exit;
         }
     }
 
-    if( mode == MODE_DECRYPT )
-    {
+    if (mode == MODE_DECRYPT) {
         /*
          *  The encrypted file must be structured as follows:
          *
@@ -437,134 +392,116 @@
          *      N*16 .. (N+1)*16 - 1    Encrypted Block #N
          *  (N+1)*16 .. (N+1)*16 + n    Hash(ciphertext)
          */
-        if( filesize < 16 + mbedtls_md_get_size( md_info ) )
-        {
-            mbedtls_fprintf( stderr, "File too short to be encrypted.\n" );
+        if (filesize < 16 + mbedtls_md_get_size(md_info)) {
+            mbedtls_fprintf(stderr, "File too short to be encrypted.\n");
             goto exit;
         }
 
-        if( mbedtls_cipher_get_block_size( &cipher_ctx ) == 0 )
-        {
-            mbedtls_fprintf( stderr, "Invalid cipher block size: 0. \n" );
+        if (mbedtls_cipher_get_block_size(&cipher_ctx) == 0) {
+            mbedtls_fprintf(stderr, "Invalid cipher block size: 0. \n");
             goto exit;
         }
 
         /*
          * Check the file size.
          */
-        if( mbedtls_cipher_info_get_mode( cipher_info ) != MBEDTLS_MODE_GCM &&
-            ( ( filesize - mbedtls_md_get_size( md_info ) ) %
-                mbedtls_cipher_get_block_size( &cipher_ctx ) ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "File content not a multiple of the block size (%u).\n",
-                     mbedtls_cipher_get_block_size( &cipher_ctx ));
+        if (mbedtls_cipher_info_get_mode(cipher_info) != MBEDTLS_MODE_GCM &&
+            ((filesize - mbedtls_md_get_size(md_info)) %
+             mbedtls_cipher_get_block_size(&cipher_ctx)) != 0) {
+            mbedtls_fprintf(stderr, "File content not a multiple of the block size (%u).\n",
+                            mbedtls_cipher_get_block_size(&cipher_ctx));
             goto exit;
         }
 
         /*
          * Subtract the IV + HMAC length.
          */
-        filesize -= ( 16 + mbedtls_md_get_size( md_info ) );
+        filesize -= (16 + mbedtls_md_get_size(md_info));
 
         /*
          * Read the IV and original filesize modulo 16.
          */
-        if( fread( buffer, 1, 16, fin ) != 16 )
-        {
-            mbedtls_fprintf( stderr, "fread(%d bytes) failed\n", 16 );
+        if (fread(buffer, 1, 16, fin) != 16) {
+            mbedtls_fprintf(stderr, "fread(%d bytes) failed\n", 16);
             goto exit;
         }
 
-        memcpy( IV, buffer, 16 );
+        memcpy(IV, buffer, 16);
 
         /*
          * Hash the IV and the secret key together 8192 times
          * using the result to setup the AES context and HMAC.
          */
-        memset( digest, 0,  32 );
-        memcpy( digest, IV, 16 );
+        memset(digest, 0,  32);
+        memcpy(digest, IV, 16);
 
-        for( i = 0; i < 8192; i++ )
-        {
-            if( mbedtls_md_starts( &md_ctx ) != 0 )
-            {
-                mbedtls_fprintf( stderr, "mbedtls_md_starts() returned error\n" );
+        for (i = 0; i < 8192; i++) {
+            if (mbedtls_md_starts(&md_ctx) != 0) {
+                mbedtls_fprintf(stderr, "mbedtls_md_starts() returned error\n");
                 goto exit;
             }
-            if( mbedtls_md_update( &md_ctx, digest, 32 ) != 0 )
-            {
-                mbedtls_fprintf( stderr, "mbedtls_md_update() returned error\n" );
+            if (mbedtls_md_update(&md_ctx, digest, 32) != 0) {
+                mbedtls_fprintf(stderr, "mbedtls_md_update() returned error\n");
                 goto exit;
             }
-            if( mbedtls_md_update( &md_ctx, key, keylen ) != 0 )
-            {
-                mbedtls_fprintf( stderr, "mbedtls_md_update() returned error\n" );
+            if (mbedtls_md_update(&md_ctx, key, keylen) != 0) {
+                mbedtls_fprintf(stderr, "mbedtls_md_update() returned error\n");
                 goto exit;
             }
-            if( mbedtls_md_finish( &md_ctx, digest ) != 0 )
-            {
-                mbedtls_fprintf( stderr, "mbedtls_md_finish() returned error\n" );
+            if (mbedtls_md_finish(&md_ctx, digest) != 0) {
+                mbedtls_fprintf(stderr, "mbedtls_md_finish() returned error\n");
                 goto exit;
             }
         }
 
-        if( mbedtls_cipher_setkey( &cipher_ctx,
-                                   digest,
-                                   (int) mbedtls_cipher_info_get_key_bitlen( cipher_info ),
-                           MBEDTLS_DECRYPT ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_cipher_setkey() returned error\n" );
+        if (mbedtls_cipher_setkey(&cipher_ctx,
+                                  digest,
+                                  (int) mbedtls_cipher_info_get_key_bitlen(cipher_info),
+                                  MBEDTLS_DECRYPT) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_cipher_setkey() returned error\n");
             goto exit;
         }
 
-        if( mbedtls_cipher_set_iv( &cipher_ctx, IV, 16 ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_cipher_set_iv() returned error\n" );
+        if (mbedtls_cipher_set_iv(&cipher_ctx, IV, 16) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_cipher_set_iv() returned error\n");
             goto exit;
         }
 
-        if( mbedtls_cipher_reset( &cipher_ctx ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_cipher_reset() returned error\n" );
+        if (mbedtls_cipher_reset(&cipher_ctx) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_cipher_reset() returned error\n");
             goto exit;
         }
 
-        if( mbedtls_md_hmac_starts( &md_ctx, digest, 32 ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_hmac_starts() returned error\n" );
+        if (mbedtls_md_hmac_starts(&md_ctx, digest, 32) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_hmac_starts() returned error\n");
             goto exit;
         }
 
         /*
          * Decrypt and write the plaintext.
          */
-        for( offset = 0; offset < filesize; offset += mbedtls_cipher_get_block_size( &cipher_ctx ) )
-        {
-            ilen = ( (unsigned int) filesize - offset > mbedtls_cipher_get_block_size( &cipher_ctx ) ) ?
-                mbedtls_cipher_get_block_size( &cipher_ctx ) : (unsigned int) ( filesize - offset );
+        for (offset = 0; offset < filesize; offset += mbedtls_cipher_get_block_size(&cipher_ctx)) {
+            ilen = ((unsigned int) filesize - offset > mbedtls_cipher_get_block_size(&cipher_ctx)) ?
+                   mbedtls_cipher_get_block_size(&cipher_ctx) : (unsigned int) (filesize - offset);
 
-            if( fread( buffer, 1, ilen, fin ) != ilen )
-            {
-                mbedtls_fprintf( stderr, "fread(%u bytes) failed\n",
-                    mbedtls_cipher_get_block_size( &cipher_ctx ) );
+            if (fread(buffer, 1, ilen, fin) != ilen) {
+                mbedtls_fprintf(stderr, "fread(%u bytes) failed\n",
+                                mbedtls_cipher_get_block_size(&cipher_ctx));
                 goto exit;
             }
 
-            if( mbedtls_md_hmac_update( &md_ctx, buffer, ilen ) != 0 )
-            {
-                mbedtls_fprintf( stderr, "mbedtls_md_hmac_update() returned error\n" );
+            if (mbedtls_md_hmac_update(&md_ctx, buffer, ilen) != 0) {
+                mbedtls_fprintf(stderr, "mbedtls_md_hmac_update() returned error\n");
                 goto exit;
             }
-            if( mbedtls_cipher_update( &cipher_ctx, buffer, ilen, output,
-                                       &olen ) != 0 )
-            {
-                mbedtls_fprintf( stderr, "mbedtls_cipher_update() returned error\n" );
+            if (mbedtls_cipher_update(&cipher_ctx, buffer, ilen, output,
+                                      &olen) != 0) {
+                mbedtls_fprintf(stderr, "mbedtls_cipher_update() returned error\n");
                 goto exit;
             }
 
-            if( fwrite( output, 1, olen, fout ) != olen )
-            {
-                mbedtls_fprintf( stderr, "fwrite(%ld bytes) failed\n", (long) olen );
+            if (fwrite(output, 1, olen, fout) != olen) {
+                mbedtls_fprintf(stderr, "fwrite(%ld bytes) failed\n", (long) olen);
                 goto exit;
             }
         }
@@ -572,42 +509,38 @@
         /*
          * Verify the message authentication code.
          */
-        if( mbedtls_md_hmac_finish( &md_ctx, digest ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_md_hmac_finish() returned error\n" );
+        if (mbedtls_md_hmac_finish(&md_ctx, digest) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_md_hmac_finish() returned error\n");
             goto exit;
         }
 
-        if( fread( buffer, 1, mbedtls_md_get_size( md_info ), fin ) != mbedtls_md_get_size( md_info ) )
-        {
-            mbedtls_fprintf( stderr, "fread(%d bytes) failed\n", mbedtls_md_get_size( md_info ) );
+        if (fread(buffer, 1, mbedtls_md_get_size(md_info), fin) != mbedtls_md_get_size(md_info)) {
+            mbedtls_fprintf(stderr, "fread(%d bytes) failed\n", mbedtls_md_get_size(md_info));
             goto exit;
         }
 
         /* Use constant-time buffer comparison */
         diff = 0;
-        for( i = 0; i < mbedtls_md_get_size( md_info ); i++ )
+        for (i = 0; i < mbedtls_md_get_size(md_info); i++) {
             diff |= digest[i] ^ buffer[i];
+        }
 
-        if( diff != 0 )
-        {
-            mbedtls_fprintf( stderr, "HMAC check failed: wrong key, "
-                             "or file corrupted.\n" );
+        if (diff != 0) {
+            mbedtls_fprintf(stderr, "HMAC check failed: wrong key, "
+                                    "or file corrupted.\n");
             goto exit;
         }
 
         /*
          * Write the final block of data
          */
-        if( mbedtls_cipher_finish( &cipher_ctx, output, &olen ) != 0 )
-        {
-            mbedtls_fprintf( stderr, "mbedtls_cipher_finish() returned error\n" );
+        if (mbedtls_cipher_finish(&cipher_ctx, output, &olen) != 0) {
+            mbedtls_fprintf(stderr, "mbedtls_cipher_finish() returned error\n");
             goto exit;
         }
 
-        if( fwrite( output, 1, olen, fout ) != olen )
-        {
-            mbedtls_fprintf( stderr, "fwrite(%ld bytes) failed\n", (long) olen );
+        if (fwrite(output, 1, olen, fout) != olen) {
+            mbedtls_fprintf(stderr, "fwrite(%ld bytes) failed\n", (long) olen);
             goto exit;
         }
     }
@@ -615,26 +548,29 @@
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    if( fin )
-        fclose( fin );
-    if( fout )
-        fclose( fout );
+    if (fin) {
+        fclose(fin);
+    }
+    if (fout) {
+        fclose(fout);
+    }
 
     /* Zeroize all command line arguments to also cover
        the case when the user has missed or reordered some,
        in which case the key might not be in argv[6]. */
-    for( i = 0; i < argc; i++ )
-        mbedtls_platform_zeroize( argv[i], strlen( argv[i] ) );
+    for (i = 0; i < argc; i++) {
+        mbedtls_platform_zeroize(argv[i], strlen(argv[i]));
+    }
 
-    mbedtls_platform_zeroize( IV,     sizeof( IV ) );
-    mbedtls_platform_zeroize( key,    sizeof( key ) );
-    mbedtls_platform_zeroize( buffer, sizeof( buffer ) );
-    mbedtls_platform_zeroize( output, sizeof( output ) );
-    mbedtls_platform_zeroize( digest, sizeof( digest ) );
+    mbedtls_platform_zeroize(IV,     sizeof(IV));
+    mbedtls_platform_zeroize(key,    sizeof(key));
+    mbedtls_platform_zeroize(buffer, sizeof(buffer));
+    mbedtls_platform_zeroize(output, sizeof(output));
+    mbedtls_platform_zeroize(digest, sizeof(digest));
 
-    mbedtls_cipher_free( &cipher_ctx );
-    mbedtls_md_free( &md_ctx );
+    mbedtls_cipher_free(&cipher_ctx);
+    mbedtls_md_free(&md_ctx);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_CIPHER_C && MBEDTLS_MD_C && MBEDTLS_FS_IO */
diff --git a/programs/cipher/cipher_aead_demo.c b/programs/cipher/cipher_aead_demo.c
index 18bd66c..ce39256 100644
--- a/programs/cipher/cipher_aead_demo.c
+++ b/programs/cipher/cipher_aead_demo.c
@@ -55,19 +55,19 @@
 #if !defined(MBEDTLS_CIPHER_C) || \
     !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_GCM_C) || \
     !defined(MBEDTLS_CHACHAPOLY_C)
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_MD_C and/or "
-            "MBEDTLS_AES_C and/or MBEDTLS_GCM_C and/or "
-            "MBEDTLS_CHACHAPOLY_C not defined\r\n" );
-    return( 0 );
+    printf("MBEDTLS_MD_C and/or "
+           "MBEDTLS_AES_C and/or MBEDTLS_GCM_C and/or "
+           "MBEDTLS_CHACHAPOLY_C not defined\r\n");
+    return 0;
 }
 #else
 
 /* The real program starts here. */
 
 const char usage[] =
-"Usage: cipher_aead_demo [aes128-gcm|aes256-gcm|aes128-gcm_8|chachapoly]";
+    "Usage: cipher_aead_demo [aes128-gcm|aes256-gcm|aes128-gcm_8|chachapoly]";
 
 /* Dummy data for encryption: IV/nonce, additional data, 2-part message */
 const unsigned char iv1[12] = { 0x00 };
@@ -82,39 +82,40 @@
 const unsigned char msg2_part2[] = { 0x15, 0x16, 0x17 };
 
 /* Maximum total size of the messages */
-#define MSG1_SIZE ( sizeof( msg1_part1 ) + sizeof( msg1_part2 ) )
-#define MSG2_SIZE ( sizeof( msg2_part1 ) + sizeof( msg2_part2 ) )
-#define MSG_MAX_SIZE ( MSG1_SIZE > MSG2_SIZE ? MSG1_SIZE : MSG2_SIZE )
+#define MSG1_SIZE (sizeof(msg1_part1) + sizeof(msg1_part2))
+#define MSG2_SIZE (sizeof(msg2_part1) + sizeof(msg2_part2))
+#define MSG_MAX_SIZE (MSG1_SIZE > MSG2_SIZE ? MSG1_SIZE : MSG2_SIZE)
 
 /* Dummy key material - never do this in production!
  * 32-byte is enough to all the key size supported by this program. */
 const unsigned char key_bytes[32] = { 0x2a };
 
 /* Print the contents of a buffer in hex */
-void print_buf( const char *title, unsigned char *buf, size_t len )
+void print_buf(const char *title, unsigned char *buf, size_t len)
 {
-    printf( "%s:", title );
-    for( size_t i = 0; i < len; i++ )
-        printf( " %02x", buf[i] );
-    printf( "\n" );
+    printf("%s:", title);
+    for (size_t i = 0; i < len; i++) {
+        printf(" %02x", buf[i]);
+    }
+    printf("\n");
 }
 
 /* Run an Mbed TLS function and bail out if it fails.
  * A string description of the error code can be recovered with:
  * programs/util/strerror <value> */
-#define CHK( expr )                                             \
+#define CHK(expr)                                             \
     do                                                          \
     {                                                           \
-        ret = ( expr );                                         \
-        if( ret != 0 )                                          \
+        ret = (expr);                                         \
+        if (ret != 0)                                          \
         {                                                       \
-            printf( "Error %d at line %d: %s\n",                \
-                    ret,                                        \
-                    __LINE__,                                   \
-                    #expr );                                    \
+            printf("Error %d at line %d: %s\n",                \
+                   ret,                                        \
+                   __LINE__,                                   \
+                   #expr);                                    \
             goto exit;                                          \
         }                                                       \
-    } while( 0 )
+    } while (0)
 
 /*
  * Prepare encryption material:
@@ -122,41 +123,41 @@
  * - set up key
  * - outputs: context and tag length, which together hold all the information
  */
-static int aead_prepare( const char *info,
-                           mbedtls_cipher_context_t *ctx,
-                           size_t *tag_len )
+static int aead_prepare(const char *info,
+                        mbedtls_cipher_context_t *ctx,
+                        size_t *tag_len)
 {
     int ret;
 
     /* Convert arg to type + tag_len */
     mbedtls_cipher_type_t type;
-    if( strcmp( info, "aes128-gcm" ) == 0 ) {
+    if (strcmp(info, "aes128-gcm") == 0) {
         type = MBEDTLS_CIPHER_AES_128_GCM;
         *tag_len = 16;
-    } else if( strcmp( info, "aes256-gcm" ) == 0 ) {
+    } else if (strcmp(info, "aes256-gcm") == 0) {
         type = MBEDTLS_CIPHER_AES_256_GCM;
         *tag_len = 16;
-    } else if( strcmp( info, "aes128-gcm_8" ) == 0 ) {
+    } else if (strcmp(info, "aes128-gcm_8") == 0) {
         type = MBEDTLS_CIPHER_AES_128_GCM;
         *tag_len = 8;
-    } else if( strcmp( info, "chachapoly" ) == 0 ) {
+    } else if (strcmp(info, "chachapoly") == 0) {
         type = MBEDTLS_CIPHER_CHACHA20_POLY1305;
         *tag_len = 16;
     } else {
-        puts( usage );
-        return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+        puts(usage);
+        return MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA;
     }
 
     /* Prepare context for the given type */
-    CHK( mbedtls_cipher_setup( ctx,
-                               mbedtls_cipher_info_from_type( type ) ) );
+    CHK(mbedtls_cipher_setup(ctx,
+                             mbedtls_cipher_info_from_type(type)));
 
     /* Import key */
-    int key_len = mbedtls_cipher_get_key_bitlen( ctx );
-    CHK( mbedtls_cipher_setkey( ctx, key_bytes, key_len, MBEDTLS_ENCRYPT ) );
+    int key_len = mbedtls_cipher_get_key_bitlen(ctx);
+    CHK(mbedtls_cipher_setkey(ctx, key_bytes, key_len, MBEDTLS_ENCRYPT));
 
 exit:
-    return( ret );
+    return ret;
 }
 
 /*
@@ -165,30 +166,30 @@
  * All of this information was present in the command line argument, but his
  * function demonstrates how each piece can be recovered from (ctx, tag_len).
  */
-static void aead_info( const mbedtls_cipher_context_t *ctx, size_t tag_len )
+static void aead_info(const mbedtls_cipher_context_t *ctx, size_t tag_len)
 {
-    mbedtls_cipher_type_t type = mbedtls_cipher_get_type( ctx );
-    const mbedtls_cipher_info_t *info = mbedtls_cipher_info_from_type( type );
-    const char *ciph = mbedtls_cipher_info_get_name( info );
-    int key_bits = mbedtls_cipher_get_key_bitlen( ctx );
-    mbedtls_cipher_mode_t mode = mbedtls_cipher_get_cipher_mode( ctx );
+    mbedtls_cipher_type_t type = mbedtls_cipher_get_type(ctx);
+    const mbedtls_cipher_info_t *info = mbedtls_cipher_info_from_type(type);
+    const char *ciph = mbedtls_cipher_info_get_name(info);
+    int key_bits = mbedtls_cipher_get_key_bitlen(ctx);
+    mbedtls_cipher_mode_t mode = mbedtls_cipher_get_cipher_mode(ctx);
 
     const char *mode_str = mode == MBEDTLS_MODE_GCM ? "GCM"
                          : mode == MBEDTLS_MODE_CHACHAPOLY ? "ChachaPoly"
                          : "???";
 
-    printf( "%s, %d, %s, %u\n",
-            ciph, key_bits, mode_str, (unsigned) tag_len );
+    printf("%s, %d, %s, %u\n",
+           ciph, key_bits, mode_str, (unsigned) tag_len);
 }
 
 /*
  * Encrypt a 2-part message.
  */
-static int aead_encrypt( mbedtls_cipher_context_t *ctx, size_t tag_len,
-        const unsigned char *iv, size_t iv_len,
-        const unsigned char *ad, size_t ad_len,
-        const unsigned char *part1, size_t part1_len,
-        const unsigned char *part2, size_t part2_len )
+static int aead_encrypt(mbedtls_cipher_context_t *ctx, size_t tag_len,
+                        const unsigned char *iv, size_t iv_len,
+                        const unsigned char *ad, size_t ad_len,
+                        const unsigned char *part1, size_t part1_len,
+                        const unsigned char *part2, size_t part2_len)
 {
     int ret;
     size_t olen;
@@ -196,76 +197,75 @@
     unsigned char out[MSG_MAX_SIZE + MAX_TAG_LENGTH];
     unsigned char *p = out;
 
-    CHK( mbedtls_cipher_set_iv( ctx, iv, iv_len ) );
-    CHK( mbedtls_cipher_reset( ctx ) );
-    CHK( mbedtls_cipher_update_ad( ctx, ad, ad_len ) );
-    CHK( mbedtls_cipher_update( ctx, part1, part1_len, p, &olen ) );
+    CHK(mbedtls_cipher_set_iv(ctx, iv, iv_len));
+    CHK(mbedtls_cipher_reset(ctx));
+    CHK(mbedtls_cipher_update_ad(ctx, ad, ad_len));
+    CHK(mbedtls_cipher_update(ctx, part1, part1_len, p, &olen));
     p += olen;
-    CHK( mbedtls_cipher_update( ctx, part2, part2_len, p, &olen ) );
+    CHK(mbedtls_cipher_update(ctx, part2, part2_len, p, &olen));
     p += olen;
-    CHK( mbedtls_cipher_finish( ctx, p, &olen ) );
+    CHK(mbedtls_cipher_finish(ctx, p, &olen));
     p += olen;
-    CHK( mbedtls_cipher_write_tag( ctx, p, tag_len ) );
+    CHK(mbedtls_cipher_write_tag(ctx, p, tag_len));
     p += tag_len;
 
     olen = p - out;
-    print_buf( "out", out, olen );
+    print_buf("out", out, olen);
 
 exit:
-    return( ret );
+    return ret;
 }
 
 /*
  * AEAD demo: set up key/alg, print out info, encrypt messages.
  */
-static int aead_demo( const char *info )
+static int aead_demo(const char *info)
 {
     int ret = 0;
 
     mbedtls_cipher_context_t ctx;
     size_t tag_len;
 
-    mbedtls_cipher_init( &ctx );
+    mbedtls_cipher_init(&ctx);
 
-    CHK( aead_prepare( info, &ctx, &tag_len ) );
+    CHK(aead_prepare(info, &ctx, &tag_len));
 
-    aead_info( &ctx, tag_len );
+    aead_info(&ctx, tag_len);
 
-    CHK( aead_encrypt( &ctx, tag_len,
-                         iv1, sizeof( iv1 ), add_data1, sizeof( add_data1 ),
-                         msg1_part1, sizeof( msg1_part1 ),
-                         msg1_part2, sizeof( msg1_part2 ) ) );
-    CHK( aead_encrypt( &ctx, tag_len,
-                         iv2, sizeof( iv2 ), add_data2, sizeof( add_data2 ),
-                         msg2_part1, sizeof( msg2_part1 ),
-                         msg2_part2, sizeof( msg2_part2 ) ) );
+    CHK(aead_encrypt(&ctx, tag_len,
+                     iv1, sizeof(iv1), add_data1, sizeof(add_data1),
+                     msg1_part1, sizeof(msg1_part1),
+                     msg1_part2, sizeof(msg1_part2)));
+    CHK(aead_encrypt(&ctx, tag_len,
+                     iv2, sizeof(iv2), add_data2, sizeof(add_data2),
+                     msg2_part1, sizeof(msg2_part1),
+                     msg2_part2, sizeof(msg2_part2)));
 
 exit:
-    mbedtls_cipher_free( &ctx );
+    mbedtls_cipher_free(&ctx);
 
-    return( ret );
+    return ret;
 }
 
 
 /*
  * Main function
  */
-int main( int argc, char **argv )
+int main(int argc, char **argv)
 {
     /* Check usage */
-    if( argc != 2 )
-    {
-        puts( usage );
-        return( 1 );
+    if (argc != 2) {
+        puts(usage);
+        return 1;
     }
 
     int ret;
 
     /* Run the demo */
-    CHK( aead_demo( argv[1] ) );
+    CHK(aead_demo(argv[1]));
 
 exit:
-    return( ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE );
+    return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
 #endif
diff --git a/programs/fuzz/common.c b/programs/fuzz/common.c
index c554bc6..75021bb 100644
--- a/programs/fuzz/common.c
+++ b/programs/fuzz/common.c
@@ -6,7 +6,7 @@
 #include "mbedtls/ctr_drbg.h"
 
 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
-mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
+mbedtls_time_t dummy_constant_time(mbedtls_time_t *time)
 {
     (void) time;
     return 0x5af2a056;
@@ -16,54 +16,54 @@
 void dummy_init()
 {
 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
-    mbedtls_platform_set_time( dummy_constant_time );
+    mbedtls_platform_set_time(dummy_constant_time);
 #else
     fprintf(stderr, "Warning: fuzzing without constant time\n");
 #endif
 }
 
-int dummy_send( void *ctx, const unsigned char *buf, size_t len )
+int dummy_send(void *ctx, const unsigned char *buf, size_t len)
 {
     //silence warning about unused parameter
     (void) ctx;
     (void) buf;
 
     //pretends we wrote everything ok
-    if( len > INT_MAX ) {
-        return( -1 );
+    if (len > INT_MAX) {
+        return -1;
     }
-    return( (int) len );
+    return (int) len;
 }
 
-int fuzz_recv( void *ctx, unsigned char *buf, size_t len )
+int fuzz_recv(void *ctx, unsigned char *buf, size_t len)
 {
     //reads from the buffer from fuzzer
-    fuzzBufferOffset_t * biomemfuzz = (fuzzBufferOffset_t *) ctx;
+    fuzzBufferOffset_t *biomemfuzz = (fuzzBufferOffset_t *) ctx;
 
-    if(biomemfuzz->Offset == biomemfuzz->Size) {
+    if (biomemfuzz->Offset == biomemfuzz->Size) {
         //EOF
-        return( 0 );
+        return 0;
     }
-    if( len > INT_MAX ) {
-        return( -1 );
+    if (len > INT_MAX) {
+        return -1;
     }
-    if( len + biomemfuzz->Offset > biomemfuzz->Size ) {
+    if (len + biomemfuzz->Offset > biomemfuzz->Size) {
         //do not overflow
         len = biomemfuzz->Size - biomemfuzz->Offset;
     }
     memcpy(buf, biomemfuzz->Data + biomemfuzz->Offset, len);
     biomemfuzz->Offset += len;
-    return( (int) len );
+    return (int) len;
 }
 
-int dummy_random( void *p_rng, unsigned char *output, size_t output_len )
+int dummy_random(void *p_rng, unsigned char *output, size_t output_len)
 {
     int ret;
     size_t i;
 
 #if defined(MBEDTLS_CTR_DRBG_C)
     //mbedtls_ctr_drbg_random requires a valid mbedtls_ctr_drbg_context in p_rng
-    if( p_rng != NULL ) {
+    if (p_rng != NULL) {
         //use mbedtls_ctr_drbg_random to find bugs in it
         ret = mbedtls_ctr_drbg_random(p_rng, output, output_len);
     } else {
@@ -74,14 +74,14 @@
     (void) p_rng;
     ret = 0;
 #endif
-    for (i=0; i<output_len; i++) {
+    for (i = 0; i < output_len; i++) {
         //replace result with pseudo random
         output[i] = (unsigned char) rand();
     }
-    return( ret );
+    return ret;
 }
 
-int dummy_entropy( void *data, unsigned char *output, size_t len )
+int dummy_entropy(void *data, unsigned char *output, size_t len)
 {
     size_t i;
     (void) data;
@@ -89,15 +89,15 @@
     //use mbedtls_entropy_func to find bugs in it
     //test performance impact of entropy
     //ret = mbedtls_entropy_func(data, output, len);
-    for (i=0; i<len; i++) {
+    for (i = 0; i < len; i++) {
         //replace result with pseudo random
         output[i] = (unsigned char) rand();
     }
-    return( 0 );
+    return 0;
 }
 
-int fuzz_recv_timeout( void *ctx, unsigned char *buf, size_t len,
-                      uint32_t timeout )
+int fuzz_recv_timeout(void *ctx, unsigned char *buf, size_t len,
+                      uint32_t timeout)
 {
     (void) timeout;
 
diff --git a/programs/fuzz/common.h b/programs/fuzz/common.h
index 7bb7b87..bc817bd 100644
--- a/programs/fuzz/common.h
+++ b/programs/fuzz/common.h
@@ -6,21 +6,20 @@
 #include <stddef.h>
 #include <stdint.h>
 
-typedef struct fuzzBufferOffset
-{
+typedef struct fuzzBufferOffset {
     const uint8_t *Data;
     size_t Size;
     size_t Offset;
 } fuzzBufferOffset_t;
 
 #if defined(MBEDTLS_HAVE_TIME)
-mbedtls_time_t dummy_constant_time( mbedtls_time_t* time );
+mbedtls_time_t dummy_constant_time(mbedtls_time_t *time);
 #endif
 void dummy_init();
 
-int dummy_send( void *ctx, const unsigned char *buf, size_t len );
-int fuzz_recv( void *ctx, unsigned char *buf, size_t len );
-int dummy_random( void *p_rng, unsigned char *output, size_t output_len );
-int dummy_entropy( void *data, unsigned char *output, size_t len );
-int fuzz_recv_timeout( void *ctx, unsigned char *buf, size_t len,
-                      uint32_t timeout );
+int dummy_send(void *ctx, const unsigned char *buf, size_t len);
+int fuzz_recv(void *ctx, unsigned char *buf, size_t len);
+int dummy_random(void *p_rng, unsigned char *output, size_t output_len);
+int dummy_entropy(void *data, unsigned char *output, size_t len);
+int fuzz_recv_timeout(void *ctx, unsigned char *buf, size_t len,
+                      uint32_t timeout);
diff --git a/programs/fuzz/fuzz_client.c b/programs/fuzz/fuzz_client.c
index ab2d134..56a5efe 100644
--- a/programs/fuzz/fuzz_client.c
+++ b/programs/fuzz/fuzz_client.c
@@ -32,7 +32,8 @@
 #endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
 
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #if defined(MBEDTLS_SSL_CLI_C) && \
     defined(MBEDTLS_ENTROPY_C) && \
     defined(MBEDTLS_CTR_DRBG_C)
@@ -48,10 +49,11 @@
 
     if (initialized == 0) {
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
-        mbedtls_x509_crt_init( &cacert );
-        if (mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                                   mbedtls_test_cas_pem_len ) != 0)
+        mbedtls_x509_crt_init(&cacert);
+        if (mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas_pem,
+                                   mbedtls_test_cas_pem_len) != 0) {
             return 1;
+        }
 #endif
 
         alpn_list[0] = "HTTP";
@@ -71,98 +73,108 @@
     //Avoid warnings if compile options imply no options
     (void) options;
 
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
 
-    if( mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy, &entropy,
-                              (const unsigned char *) pers, strlen( pers ) ) != 0 )
+    if (mbedtls_ctr_drbg_seed(&ctr_drbg, dummy_entropy, &entropy,
+                              (const unsigned char *) pers, strlen(pers)) != 0) {
         goto exit;
+    }
 
-    if( mbedtls_ssl_config_defaults( &conf,
+    if (mbedtls_ssl_config_defaults(&conf,
                                     MBEDTLS_SSL_IS_CLIENT,
                                     MBEDTLS_SSL_TRANSPORT_STREAM,
-                                    MBEDTLS_SSL_PRESET_DEFAULT ) != 0 )
+                                    MBEDTLS_SSL_PRESET_DEFAULT) != 0) {
         goto exit;
+    }
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
     if (options & 2) {
-        mbedtls_ssl_conf_psk( &conf, psk, sizeof( psk ),
-                             (const unsigned char *) psk_id, sizeof( psk_id ) - 1 );
+        mbedtls_ssl_conf_psk(&conf, psk, sizeof(psk),
+                             (const unsigned char *) psk_id, sizeof(psk_id) - 1);
     }
 #endif
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
     if (options & 4) {
-        mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-        mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_REQUIRED );
+        mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+        mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_REQUIRED);
     } else
 #endif
     {
-        mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_NONE );
+        mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_NONE);
     }
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-    mbedtls_ssl_conf_extended_master_secret( &conf, (options & 0x10) ? MBEDTLS_SSL_EXTENDED_MS_DISABLED : MBEDTLS_SSL_EXTENDED_MS_ENABLED);
+    mbedtls_ssl_conf_extended_master_secret(&conf,
+                                            (options &
+                                             0x10) ? MBEDTLS_SSL_EXTENDED_MS_DISABLED : MBEDTLS_SSL_EXTENDED_MS_ENABLED);
 #endif
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-    mbedtls_ssl_conf_encrypt_then_mac( &conf, (options & 0x20) ? MBEDTLS_SSL_ETM_DISABLED : MBEDTLS_SSL_ETM_ENABLED);
+    mbedtls_ssl_conf_encrypt_then_mac(&conf,
+                                      (options &
+                                       0x20) ? MBEDTLS_SSL_ETM_DISABLED : MBEDTLS_SSL_ETM_ENABLED);
 #endif
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    mbedtls_ssl_conf_renegotiation( &conf, (options & 0x80) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : MBEDTLS_SSL_RENEGOTIATION_DISABLED );
+    mbedtls_ssl_conf_renegotiation(&conf,
+                                   (options &
+                                    0x80) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : MBEDTLS_SSL_RENEGOTIATION_DISABLED);
 #endif
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    mbedtls_ssl_conf_session_tickets( &conf, (options & 0x100) ? MBEDTLS_SSL_SESSION_TICKETS_DISABLED : MBEDTLS_SSL_SESSION_TICKETS_ENABLED );
+    mbedtls_ssl_conf_session_tickets(&conf,
+                                     (options &
+                                      0x100) ? MBEDTLS_SSL_SESSION_TICKETS_DISABLED : MBEDTLS_SSL_SESSION_TICKETS_ENABLED);
 #endif
 #if defined(MBEDTLS_SSL_ALPN)
     if (options & 0x200) {
-        mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list );
+        mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list);
     }
 #endif
     //There may be other options to add :
     // mbedtls_ssl_conf_cert_profile, mbedtls_ssl_conf_sig_hashes
 
     srand(1);
-    mbedtls_ssl_conf_rng( &conf, dummy_random, &ctr_drbg );
+    mbedtls_ssl_conf_rng(&conf, dummy_random, &ctr_drbg);
 
-    if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
+    if (mbedtls_ssl_setup(&ssl, &conf) != 0) {
         goto exit;
+    }
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
     if ((options & 1) == 0) {
-        if( mbedtls_ssl_set_hostname( &ssl, "localhost" ) != 0 )
+        if (mbedtls_ssl_set_hostname(&ssl, "localhost") != 0) {
             goto exit;
+        }
     }
 #endif
 
     biomemfuzz.Data = Data;
     biomemfuzz.Size = Size-2;
     biomemfuzz.Offset = 0;
-    mbedtls_ssl_set_bio( &ssl, &biomemfuzz, dummy_send, fuzz_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &biomemfuzz, dummy_send, fuzz_recv, NULL);
 
-    ret = mbedtls_ssl_handshake( &ssl );
-    if( ret == 0 )
-    {
+    ret = mbedtls_ssl_handshake(&ssl);
+    if (ret == 0) {
         //keep reading data from server until the end
-        do
-        {
-            len = sizeof( buf ) - 1;
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+        do {
+            len = sizeof(buf) - 1;
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-            if( ret == MBEDTLS_ERR_SSL_WANT_READ )
+            if (ret == MBEDTLS_ERR_SSL_WANT_READ) {
                 continue;
-            else if( ret <= 0 )
+            } else if (ret <= 0) {
                 //EOF or error
                 break;
-        }
-        while( 1 );
+            }
+        } while (1);
     }
 
 exit:
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ssl_free( &ssl );
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ssl_free(&ssl);
 
 #else
     (void) Data;
diff --git a/programs/fuzz/fuzz_dtlsclient.c b/programs/fuzz/fuzz_dtlsclient.c
index 16f6014..a58f6f4 100644
--- a/programs/fuzz/fuzz_dtlsclient.c
+++ b/programs/fuzz/fuzz_dtlsclient.c
@@ -26,7 +26,8 @@
 
 
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #if defined(MBEDTLS_SSL_PROTO_DTLS) && \
     defined(MBEDTLS_SSL_CLI_C) && \
     defined(MBEDTLS_ENTROPY_C) && \
@@ -44,77 +45,80 @@
 
     if (initialized == 0) {
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
-        mbedtls_x509_crt_init( &cacert );
-        if (mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                                   mbedtls_test_cas_pem_len ) != 0)
+        mbedtls_x509_crt_init(&cacert);
+        if (mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas_pem,
+                                   mbedtls_test_cas_pem_len) != 0) {
             return 1;
+        }
 #endif
         dummy_init();
 
         initialized = 1;
     }
 
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
 
     srand(1);
-    if( mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy, &entropy,
-                              (const unsigned char *) pers, strlen( pers ) ) != 0 )
+    if (mbedtls_ctr_drbg_seed(&ctr_drbg, dummy_entropy, &entropy,
+                              (const unsigned char *) pers, strlen(pers)) != 0) {
         goto exit;
+    }
 
-    if( mbedtls_ssl_config_defaults( &conf,
+    if (mbedtls_ssl_config_defaults(&conf,
                                     MBEDTLS_SSL_IS_CLIENT,
                                     MBEDTLS_SSL_TRANSPORT_DATAGRAM,
-                                    MBEDTLS_SSL_PRESET_DEFAULT ) != 0 )
+                                    MBEDTLS_SSL_PRESET_DEFAULT) != 0) {
         goto exit;
+    }
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
-    mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+    mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
 #endif
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_NONE );
-    mbedtls_ssl_conf_rng( &conf, dummy_random, &ctr_drbg );
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_NONE);
+    mbedtls_ssl_conf_rng(&conf, dummy_random, &ctr_drbg);
 
-    if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
+    if (mbedtls_ssl_setup(&ssl, &conf) != 0) {
         goto exit;
+    }
 
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                             mbedtls_timing_get_delay );
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
-    if( mbedtls_ssl_set_hostname( &ssl, "localhost" ) != 0 )
+    if (mbedtls_ssl_set_hostname(&ssl, "localhost") != 0) {
         goto exit;
+    }
 #endif
 
     biomemfuzz.Data = Data;
     biomemfuzz.Size = Size;
     biomemfuzz.Offset = 0;
-    mbedtls_ssl_set_bio( &ssl, &biomemfuzz, dummy_send, fuzz_recv, fuzz_recv_timeout );
+    mbedtls_ssl_set_bio(&ssl, &biomemfuzz, dummy_send, fuzz_recv, fuzz_recv_timeout);
 
-    ret = mbedtls_ssl_handshake( &ssl );
-    if( ret == 0 )
-    {
+    ret = mbedtls_ssl_handshake(&ssl);
+    if (ret == 0) {
         //keep reading data from server until the end
-        do
-        {
-            len = sizeof( buf ) - 1;
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+        do {
+            len = sizeof(buf) - 1;
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-            if( ret == MBEDTLS_ERR_SSL_WANT_READ )
+            if (ret == MBEDTLS_ERR_SSL_WANT_READ) {
                 continue;
-            else if( ret <= 0 )
+            } else if (ret <= 0) {
                 //EOF or error
                 break;
-        }
-        while( 1 );
+            }
+        } while (1);
     }
 
 exit:
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ssl_free( &ssl );
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ssl_free(&ssl);
 
 #else
     (void) Data;
diff --git a/programs/fuzz/fuzz_dtlsserver.c b/programs/fuzz/fuzz_dtlsserver.c
index 17caab2..0078385 100644
--- a/programs/fuzz/fuzz_dtlsserver.c
+++ b/programs/fuzz/fuzz_dtlsserver.c
@@ -17,10 +17,10 @@
     defined(MBEDTLS_ENTROPY_C) && \
     defined(MBEDTLS_CTR_DRBG_C) && \
     defined(MBEDTLS_TIMING_C) && \
-        ( defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA) || \
-          defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA) )
+    (defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA) || \
+    defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA))
 const char *pers = "fuzz_dtlsserver";
-const unsigned char client_ip[4] = {0x7F, 0, 0, 1};
+const unsigned char client_ip[4] = { 0x7F, 0, 0, 1 };
 static int initialized = 0;
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
 static mbedtls_x509_crt srvcert;
@@ -29,14 +29,15 @@
 #endif
 #endif // MBEDTLS_SSL_PROTO_DTLS
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #if defined(MBEDTLS_SSL_PROTO_DTLS) && \
     defined(MBEDTLS_SSL_SRV_C) && \
     defined(MBEDTLS_ENTROPY_C) && \
     defined(MBEDTLS_CTR_DRBG_C) && \
     defined(MBEDTLS_TIMING_C) && \
-    ( defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA) || \
-      defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA) )
+    (defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA) || \
+    defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA))
     int ret;
     size_t len;
     mbedtls_ssl_context ssl;
@@ -48,104 +49,115 @@
     unsigned char buf[4096];
     fuzzBufferOffset_t biomemfuzz;
 
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
 
-    if( mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy, &entropy,
-                               ( const unsigned char * ) pers, strlen( pers ) ) != 0 )
+    if (mbedtls_ctr_drbg_seed(&ctr_drbg, dummy_entropy, &entropy,
+                              (const unsigned char *) pers, strlen(pers)) != 0) {
         goto exit;
+    }
 
     if (initialized == 0) {
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
-        mbedtls_x509_crt_init( &srvcert );
-        mbedtls_pk_init( &pkey );
-        if (mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                                   mbedtls_test_srv_crt_len ) != 0)
+        mbedtls_x509_crt_init(&srvcert);
+        mbedtls_pk_init(&pkey);
+        if (mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+                                   mbedtls_test_srv_crt_len) != 0) {
             return 1;
-        if (mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                                   mbedtls_test_cas_pem_len ) != 0)
+        }
+        if (mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+                                   mbedtls_test_cas_pem_len) != 0) {
             return 1;
-        if (mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
+        }
+        if (mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key,
                                  mbedtls_test_srv_key_len, NULL, 0,
-                                 dummy_random, &ctr_drbg ) != 0)
+                                 dummy_random, &ctr_drbg) != 0) {
             return 1;
+        }
 #endif
         dummy_init();
 
         initialized = 1;
     }
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_ssl_cookie_init( &cookie_ctx );
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_ssl_cookie_init(&cookie_ctx);
 
-    if( mbedtls_ssl_config_defaults( &conf,
+    if (mbedtls_ssl_config_defaults(&conf,
                                     MBEDTLS_SSL_IS_SERVER,
                                     MBEDTLS_SSL_TRANSPORT_DATAGRAM,
-                                    MBEDTLS_SSL_PRESET_DEFAULT ) != 0 )
+                                    MBEDTLS_SSL_PRESET_DEFAULT) != 0) {
         goto exit;
+    }
 
 
     srand(1);
-    mbedtls_ssl_conf_rng( &conf, dummy_random, &ctr_drbg );
+    mbedtls_ssl_conf_rng(&conf, dummy_random, &ctr_drbg);
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
-    if( mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) != 0 )
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.next, NULL);
+    if (mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey) != 0) {
         goto exit;
+    }
 #endif
 
-    if( mbedtls_ssl_cookie_setup( &cookie_ctx, dummy_random, &ctr_drbg ) != 0 )
+    if (mbedtls_ssl_cookie_setup(&cookie_ctx, dummy_random, &ctr_drbg) != 0) {
         goto exit;
+    }
 
-    mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check, &cookie_ctx );
+    mbedtls_ssl_conf_dtls_cookies(&conf,
+                                  mbedtls_ssl_cookie_write,
+                                  mbedtls_ssl_cookie_check,
+                                  &cookie_ctx);
 
-    if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
+    if (mbedtls_ssl_setup(&ssl, &conf) != 0) {
         goto exit;
+    }
 
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                             mbedtls_timing_get_delay );
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
 
     biomemfuzz.Data = Data;
     biomemfuzz.Size = Size;
     biomemfuzz.Offset = 0;
-    mbedtls_ssl_set_bio( &ssl, &biomemfuzz, dummy_send, fuzz_recv, fuzz_recv_timeout );
-    if( mbedtls_ssl_set_client_transport_id( &ssl, client_ip, sizeof(client_ip) ) != 0 )
+    mbedtls_ssl_set_bio(&ssl, &biomemfuzz, dummy_send, fuzz_recv, fuzz_recv_timeout);
+    if (mbedtls_ssl_set_client_transport_id(&ssl, client_ip, sizeof(client_ip)) != 0) {
         goto exit;
+    }
 
-    ret = mbedtls_ssl_handshake( &ssl );
+    ret = mbedtls_ssl_handshake(&ssl);
 
     if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) {
         biomemfuzz.Offset = ssl.next_record_offset;
-        mbedtls_ssl_session_reset( &ssl );
-        mbedtls_ssl_set_bio( &ssl, &biomemfuzz, dummy_send, fuzz_recv, fuzz_recv_timeout );
-        if( mbedtls_ssl_set_client_transport_id( &ssl, client_ip, sizeof(client_ip) ) != 0 )
+        mbedtls_ssl_session_reset(&ssl);
+        mbedtls_ssl_set_bio(&ssl, &biomemfuzz, dummy_send, fuzz_recv, fuzz_recv_timeout);
+        if (mbedtls_ssl_set_client_transport_id(&ssl, client_ip, sizeof(client_ip)) != 0) {
             goto exit;
+        }
 
-        ret = mbedtls_ssl_handshake( &ssl );
+        ret = mbedtls_ssl_handshake(&ssl);
 
-        if( ret == 0 )
-        {
+        if (ret == 0) {
             //keep reading data from server until the end
-            do
-            {
-                len = sizeof( buf ) - 1;
-                ret = mbedtls_ssl_read( &ssl, buf, len );
-                if( ret == MBEDTLS_ERR_SSL_WANT_READ )
+            do {
+                len = sizeof(buf) - 1;
+                ret = mbedtls_ssl_read(&ssl, buf, len);
+                if (ret == MBEDTLS_ERR_SSL_WANT_READ) {
                     continue;
-                else if( ret <= 0 )
+                } else if (ret <= 0) {
                     //EOF or error
                     break;
-            }
-            while( 1 );
+                }
+            } while (1);
         }
     }
 
 exit:
-    mbedtls_ssl_cookie_free( &cookie_ctx );
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ssl_free( &ssl );
+    mbedtls_ssl_cookie_free(&cookie_ctx);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ssl_free(&ssl);
 
 #else
     (void) Data;
diff --git a/programs/fuzz/fuzz_pkcs7.c b/programs/fuzz/fuzz_pkcs7.c
index 960007d..2056913 100644
--- a/programs/fuzz/fuzz_pkcs7.c
+++ b/programs/fuzz/fuzz_pkcs7.c
@@ -1,15 +1,16 @@
 #include <stdint.h>
 #include "mbedtls/pkcs7.h"
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #ifdef MBEDTLS_PKCS7_C
     mbedtls_pkcs7 pkcs7;
 
-    mbedtls_pkcs7_init( &pkcs7 );
+    mbedtls_pkcs7_init(&pkcs7);
 
-    mbedtls_pkcs7_parse_der( &pkcs7, Data, Size );
+    mbedtls_pkcs7_parse_der(&pkcs7, Data, Size);
 
-    mbedtls_pkcs7_free( &pkcs7 );
+    mbedtls_pkcs7_free(&pkcs7);
 #else
     (void) Data;
     (void) Size;
diff --git a/programs/fuzz/fuzz_privkey.c b/programs/fuzz/fuzz_privkey.c
index 81ea1bc..39c23e2 100644
--- a/programs/fuzz/fuzz_privkey.c
+++ b/programs/fuzz/fuzz_privkey.c
@@ -15,7 +15,8 @@
 const char *pers = "fuzz_privkey";
 #endif // MBEDTLS_PK_PARSE_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_ENTROPY_C
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #if defined(MBEDTLS_PK_PARSE_C) && defined(MBEDTLS_CTR_DRBG_C) && defined(MBEDTLS_ENTROPY_C)
     int ret;
     mbedtls_pk_context pk;
@@ -27,64 +28,62 @@
         Size = MAX_LEN;
     }
 
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
 
-    if( mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy, &entropy,
-                               ( const unsigned char * ) pers, strlen( pers ) ) != 0 )
+    if (mbedtls_ctr_drbg_seed(&ctr_drbg, dummy_entropy, &entropy,
+                              (const unsigned char *) pers, strlen(pers)) != 0) {
         return 1;
+    }
 
-    mbedtls_pk_init( &pk );
-    ret = mbedtls_pk_parse_key( &pk, Data, Size, NULL, 0,
-                                dummy_random, &ctr_drbg );
+    mbedtls_pk_init(&pk);
+    ret = mbedtls_pk_parse_key(&pk, Data, Size, NULL, 0,
+                               dummy_random, &ctr_drbg);
     if (ret == 0) {
 #if defined(MBEDTLS_RSA_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_RSA )
-        {
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_RSA) {
             mbedtls_mpi N, P, Q, D, E, DP, DQ, QP;
             mbedtls_rsa_context *rsa;
 
-            mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-            mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-            mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+            mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+            mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+            mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-            rsa = mbedtls_pk_rsa( pk );
-            if ( mbedtls_rsa_export( rsa, &N, &P, &Q, &D, &E ) != 0 ) {
+            rsa = mbedtls_pk_rsa(pk);
+            if (mbedtls_rsa_export(rsa, &N, &P, &Q, &D, &E) != 0) {
                 abort();
             }
-            if ( mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) != 0 ) {
+            if (mbedtls_rsa_export_crt(rsa, &DP, &DQ, &QP) != 0) {
                 abort();
             }
 
-            mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-            mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-            mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
-        }
-        else
+            mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+            mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+            mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
+        } else
 #endif
 #if defined(MBEDTLS_ECP_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY ||
-            mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY_DH )
-        {
-            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk );
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY ||
+            mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY_DH) {
+            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(pk);
             mbedtls_ecp_group_id grp_id = ecp->grp.id;
             const mbedtls_ecp_curve_info *curve_info =
-                mbedtls_ecp_curve_info_from_grp_id( grp_id );
+                mbedtls_ecp_curve_info_from_grp_id(grp_id);
 
             /* If the curve is not supported, the key should not have been
              * accepted. */
-            if( curve_info == NULL )
-                abort( );
-        }
-        else
+            if (curve_info == NULL) {
+                abort();
+            }
+        } else
 #endif
         {
             /* The key is valid but is not of a supported type.
              * This should not happen. */
-            abort( );
+            abort();
         }
     }
-    mbedtls_pk_free( &pk );
+    mbedtls_pk_free(&pk);
 #else
     (void) Data;
     (void) Size;
diff --git a/programs/fuzz/fuzz_pubkey.c b/programs/fuzz/fuzz_pubkey.c
index 655d5d6..7f5e4aa 100644
--- a/programs/fuzz/fuzz_pubkey.c
+++ b/programs/fuzz/fuzz_pubkey.c
@@ -4,70 +4,69 @@
 #include <stdlib.h>
 #include "mbedtls/pk.h"
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #ifdef MBEDTLS_PK_PARSE_C
     int ret;
     mbedtls_pk_context pk;
 
-    mbedtls_pk_init( &pk );
-    ret = mbedtls_pk_parse_public_key( &pk, Data, Size );
+    mbedtls_pk_init(&pk);
+    ret = mbedtls_pk_parse_public_key(&pk, Data, Size);
     if (ret == 0) {
 #if defined(MBEDTLS_RSA_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_RSA )
-        {
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_RSA) {
             mbedtls_mpi N, P, Q, D, E, DP, DQ, QP;
             mbedtls_rsa_context *rsa;
 
-            mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-            mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-            mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+            mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+            mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+            mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-            rsa = mbedtls_pk_rsa( pk );
-            if ( mbedtls_rsa_export( rsa, &N, NULL, NULL, NULL, &E ) != 0 ) {
+            rsa = mbedtls_pk_rsa(pk);
+            if (mbedtls_rsa_export(rsa, &N, NULL, NULL, NULL, &E) != 0) {
                 abort();
             }
-            if ( mbedtls_rsa_export( rsa, &N, &P, &Q, &D, &E ) != MBEDTLS_ERR_RSA_BAD_INPUT_DATA ) {
+            if (mbedtls_rsa_export(rsa, &N, &P, &Q, &D, &E) != MBEDTLS_ERR_RSA_BAD_INPUT_DATA) {
                 abort();
             }
-            if ( mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) != MBEDTLS_ERR_RSA_BAD_INPUT_DATA ) {
+            if (mbedtls_rsa_export_crt(rsa, &DP, &DQ, &QP) != MBEDTLS_ERR_RSA_BAD_INPUT_DATA) {
                 abort();
             }
 
-            mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-            mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-            mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
+            mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+            mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+            mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
 
-        }
-        else
+        } else
 #endif
 #if defined(MBEDTLS_ECP_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY ||
-            mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY_DH )
-        {
-            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk );
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY ||
+            mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY_DH) {
+            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(pk);
             mbedtls_ecp_group_id grp_id = ecp->grp.id;
             const mbedtls_ecp_curve_info *curve_info =
-                mbedtls_ecp_curve_info_from_grp_id( grp_id );
+                mbedtls_ecp_curve_info_from_grp_id(grp_id);
 
             /* If the curve is not supported, the key should not have been
              * accepted. */
-            if( curve_info == NULL )
-                abort( );
+            if (curve_info == NULL) {
+                abort();
+            }
 
             /* It's a public key, so the private value should not have
              * been changed from its initialization to 0. */
-            if( mbedtls_mpi_cmp_int( &ecp->d, 0 ) != 0 )
-                abort( );
-        }
-        else
+            if (mbedtls_mpi_cmp_int(&ecp->d, 0) != 0) {
+                abort();
+            }
+        } else
 #endif
         {
             /* The key is valid but is not of a supported type.
              * This should not happen. */
-            abort( );
+            abort();
         }
     }
-    mbedtls_pk_free( &pk );
+    mbedtls_pk_free(&pk);
 #else
     (void) Data;
     (void) Size;
diff --git a/programs/fuzz/fuzz_server.c b/programs/fuzz/fuzz_server.c
index 95f43b8..cd021e1 100644
--- a/programs/fuzz/fuzz_server.c
+++ b/programs/fuzz/fuzz_server.c
@@ -32,7 +32,8 @@
 #endif // MBEDTLS_SSL_SRV_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C
 
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #if defined(MBEDTLS_SSL_SRV_C) && \
     defined(MBEDTLS_ENTROPY_C) && \
     defined(MBEDTLS_CTR_DRBG_C)
@@ -55,28 +56,32 @@
     }
     options = Data[Size - 1];
 
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
 
-    if( mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy, &entropy,
-                               ( const unsigned char * ) pers, strlen( pers ) ) != 0 )
+    if (mbedtls_ctr_drbg_seed(&ctr_drbg, dummy_entropy, &entropy,
+                              (const unsigned char *) pers, strlen(pers)) != 0) {
         return 1;
+    }
 
     if (initialized == 0) {
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
-        mbedtls_x509_crt_init( &srvcert );
-        mbedtls_pk_init( &pkey );
-        if (mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                                   mbedtls_test_srv_crt_len ) != 0)
+        mbedtls_x509_crt_init(&srvcert);
+        mbedtls_pk_init(&pkey);
+        if (mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+                                   mbedtls_test_srv_crt_len) != 0) {
             return 1;
-        if (mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                                   mbedtls_test_cas_pem_len ) != 0)
+        }
+        if (mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+                                   mbedtls_test_cas_pem_len) != 0) {
             return 1;
-        if (mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
+        }
+        if (mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key,
                                  mbedtls_test_srv_key_len, NULL, 0,
-                                 dummy_random, &ctr_drbg ) != 0)
+                                 dummy_random, &ctr_drbg) != 0) {
             return 1;
+        }
 #endif
 
         alpn_list[0] = "HTTP";
@@ -87,99 +92,108 @@
 
         initialized = 1;
     }
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
-    mbedtls_ssl_ticket_init( &ticket_ctx );
+    mbedtls_ssl_ticket_init(&ticket_ctx);
 #endif
 
-    if( mbedtls_ssl_config_defaults( &conf,
+    if (mbedtls_ssl_config_defaults(&conf,
                                     MBEDTLS_SSL_IS_SERVER,
                                     MBEDTLS_SSL_TRANSPORT_STREAM,
-                                    MBEDTLS_SSL_PRESET_DEFAULT ) != 0 )
+                                    MBEDTLS_SSL_PRESET_DEFAULT) != 0) {
         goto exit;
+    }
 
     srand(1);
-    mbedtls_ssl_conf_rng( &conf, dummy_random, &ctr_drbg );
+    mbedtls_ssl_conf_rng(&conf, dummy_random, &ctr_drbg);
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
-    if( mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) != 0 )
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.next, NULL);
+    if (mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey) != 0) {
         goto exit;
+    }
 #endif
 
-    mbedtls_ssl_conf_cert_req_ca_list( &conf, (options & 0x1) ? MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED : MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED );
+    mbedtls_ssl_conf_cert_req_ca_list(&conf,
+                                      (options &
+                                       0x1) ? MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED : MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED);
 #if defined(MBEDTLS_SSL_ALPN)
     if (options & 0x2) {
-        mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list );
+        mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list);
     }
 #endif
 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
-    if( options & 0x4 )
-    {
-        if( mbedtls_ssl_ticket_setup( &ticket_ctx,
+    if (options & 0x4) {
+        if (mbedtls_ssl_ticket_setup(&ticket_ctx,
                                      dummy_random, &ctr_drbg,
                                      MBEDTLS_CIPHER_AES_256_GCM,
-                                     86400 ) != 0 )
+                                     86400) != 0) {
             goto exit;
+        }
 
-        mbedtls_ssl_conf_session_tickets_cb( &conf,
+        mbedtls_ssl_conf_session_tickets_cb(&conf,
                                             mbedtls_ssl_ticket_write,
                                             mbedtls_ssl_ticket_parse,
-                                            &ticket_ctx );
+                                            &ticket_ctx);
     }
 #endif
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-    mbedtls_ssl_conf_extended_master_secret( &conf, (options & 0x10) ? MBEDTLS_SSL_EXTENDED_MS_DISABLED : MBEDTLS_SSL_EXTENDED_MS_ENABLED);
+    mbedtls_ssl_conf_extended_master_secret(&conf,
+                                            (options &
+                                             0x10) ? MBEDTLS_SSL_EXTENDED_MS_DISABLED : MBEDTLS_SSL_EXTENDED_MS_ENABLED);
 #endif
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-    mbedtls_ssl_conf_encrypt_then_mac( &conf, (options & 0x20) ? MBEDTLS_SSL_ETM_ENABLED : MBEDTLS_SSL_ETM_DISABLED);
+    mbedtls_ssl_conf_encrypt_then_mac(&conf,
+                                      (options &
+                                       0x20) ? MBEDTLS_SSL_ETM_ENABLED : MBEDTLS_SSL_ETM_DISABLED);
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
     if (options & 0x40) {
-        mbedtls_ssl_conf_psk( &conf, psk, sizeof( psk ),
-                             (const unsigned char *) psk_id, sizeof( psk_id ) - 1 );
+        mbedtls_ssl_conf_psk(&conf, psk, sizeof(psk),
+                             (const unsigned char *) psk_id, sizeof(psk_id) - 1);
     }
 #endif
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    mbedtls_ssl_conf_renegotiation( &conf, (options & 0x80) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : MBEDTLS_SSL_RENEGOTIATION_DISABLED );
+    mbedtls_ssl_conf_renegotiation(&conf,
+                                   (options &
+                                    0x80) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : MBEDTLS_SSL_RENEGOTIATION_DISABLED);
 #endif
 
-    if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
+    if (mbedtls_ssl_setup(&ssl, &conf) != 0) {
         goto exit;
+    }
 
     biomemfuzz.Data = Data;
     biomemfuzz.Size = Size-1;
     biomemfuzz.Offset = 0;
-    mbedtls_ssl_set_bio( &ssl, &biomemfuzz, dummy_send, fuzz_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &biomemfuzz, dummy_send, fuzz_recv, NULL);
 
-    mbedtls_ssl_session_reset( &ssl );
-    ret = mbedtls_ssl_handshake( &ssl );
-    if( ret == 0 )
-    {
+    mbedtls_ssl_session_reset(&ssl);
+    ret = mbedtls_ssl_handshake(&ssl);
+    if (ret == 0) {
         //keep reading data from server until the end
-        do
-        {
-            len = sizeof( buf ) - 1;
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+        do {
+            len = sizeof(buf) - 1;
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-            if( ret == MBEDTLS_ERR_SSL_WANT_READ )
+            if (ret == MBEDTLS_ERR_SSL_WANT_READ) {
                 continue;
-            else if( ret <= 0 )
+            } else if (ret <= 0) {
                 //EOF or error
                 break;
-        }
-        while( 1 );
+            }
+        } while (1);
     }
 
 exit:
 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
-    mbedtls_ssl_ticket_free( &ticket_ctx );
+    mbedtls_ssl_ticket_free(&ticket_ctx);
 #endif
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ssl_free( &ssl );
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ssl_free(&ssl);
 
 #else
     (void) Data;
diff --git a/programs/fuzz/fuzz_x509crl.c b/programs/fuzz/fuzz_x509crl.c
index 65fc37f..6ff0c05 100644
--- a/programs/fuzz/fuzz_x509crl.c
+++ b/programs/fuzz/fuzz_x509crl.c
@@ -3,23 +3,24 @@
 #include <stdint.h>
 #include "mbedtls/x509_crl.h"
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #ifdef MBEDTLS_X509_CRL_PARSE_C
     int ret;
     mbedtls_x509_crl crl;
     unsigned char buf[4096];
 
-    mbedtls_x509_crl_init( &crl );
-    ret = mbedtls_x509_crl_parse( &crl, Data, Size );
+    mbedtls_x509_crl_init(&crl);
+    ret = mbedtls_x509_crl_parse(&crl, Data, Size);
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
     if (ret == 0) {
-        ret = mbedtls_x509_crl_info( (char *) buf, sizeof( buf ) - 1, " ", &crl );
+        ret = mbedtls_x509_crl_info((char *) buf, sizeof(buf) - 1, " ", &crl);
     }
 #else
     ((void) ret);
     ((void) buf);
 #endif /* !MBEDTLS_X509_REMOVE_INFO */
-    mbedtls_x509_crl_free( &crl );
+    mbedtls_x509_crl_free(&crl);
 #else
     (void) Data;
     (void) Size;
diff --git a/programs/fuzz/fuzz_x509crt.c b/programs/fuzz/fuzz_x509crt.c
index bd8bdff..858c1ff 100644
--- a/programs/fuzz/fuzz_x509crt.c
+++ b/programs/fuzz/fuzz_x509crt.c
@@ -3,23 +3,24 @@
 #include <stdint.h>
 #include "mbedtls/x509_crt.h"
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #ifdef MBEDTLS_X509_CRT_PARSE_C
     int ret;
     mbedtls_x509_crt crt;
     unsigned char buf[4096];
 
-    mbedtls_x509_crt_init( &crt );
-    ret = mbedtls_x509_crt_parse( &crt, Data, Size );
+    mbedtls_x509_crt_init(&crt);
+    ret = mbedtls_x509_crt_parse(&crt, Data, Size);
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
     if (ret == 0) {
-        ret = mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, " ", &crt );
+        ret = mbedtls_x509_crt_info((char *) buf, sizeof(buf) - 1, " ", &crt);
     }
 #else
     ((void) ret);
     ((void) buf);
 #endif /* !MBEDTLS_X509_REMOVE_INFO */
-    mbedtls_x509_crt_free( &crt );
+    mbedtls_x509_crt_free(&crt);
 #else
     (void) Data;
     (void) Size;
diff --git a/programs/fuzz/fuzz_x509csr.c b/programs/fuzz/fuzz_x509csr.c
index a9205be..39fb4cb 100644
--- a/programs/fuzz/fuzz_x509csr.c
+++ b/programs/fuzz/fuzz_x509csr.c
@@ -3,23 +3,24 @@
 #include <stdint.h>
 #include "mbedtls/x509_csr.h"
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
+{
 #ifdef MBEDTLS_X509_CSR_PARSE_C
     int ret;
     mbedtls_x509_csr csr;
     unsigned char buf[4096];
 
-    mbedtls_x509_csr_init( &csr );
-    ret = mbedtls_x509_csr_parse( &csr, Data, Size );
+    mbedtls_x509_csr_init(&csr);
+    ret = mbedtls_x509_csr_parse(&csr, Data, Size);
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
     if (ret == 0) {
-        ret = mbedtls_x509_csr_info( (char *) buf, sizeof( buf ) - 1, " ", &csr );
+        ret = mbedtls_x509_csr_info((char *) buf, sizeof(buf) - 1, " ", &csr);
     }
 #else
     ((void) ret);
     ((void) buf);
 #endif /* !MBEDTLS_X509_REMOVE_INFO */
-    mbedtls_x509_csr_free( &csr );
+    mbedtls_x509_csr_free(&csr);
 #else
     (void) Data;
     (void) Size;
diff --git a/programs/fuzz/onefile.c b/programs/fuzz/onefile.c
index 730be36..4f80cdc 100644
--- a/programs/fuzz/onefile.c
+++ b/programs/fuzz/onefile.c
@@ -9,9 +9,9 @@
 
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
-    FILE * fp;
+    FILE *fp;
     uint8_t *Data;
     size_t Size;
 
@@ -53,4 +53,3 @@
     fclose(fp);
     return 0;
 }
-
diff --git a/programs/hash/generic_sum.c b/programs/hash/generic_sum.c
index 6f49e79..e2e49e3 100644
--- a/programs/hash/generic_sum.c
+++ b/programs/hash/generic_sum.c
@@ -29,43 +29,47 @@
 #endif
 
 #if !defined(MBEDTLS_MD_C) || !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_MD_C and/or MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
 
 
-static int generic_wrapper( const mbedtls_md_info_t *md_info, char *filename, unsigned char *sum )
+static int generic_wrapper(const mbedtls_md_info_t *md_info, char *filename, unsigned char *sum)
 {
-    int ret = mbedtls_md_file( md_info, filename, sum );
+    int ret = mbedtls_md_file(md_info, filename, sum);
 
-    if( ret == 1 )
-        mbedtls_fprintf( stderr, "failed to open: %s\n", filename );
+    if (ret == 1) {
+        mbedtls_fprintf(stderr, "failed to open: %s\n", filename);
+    }
 
-    if( ret == 2 )
-        mbedtls_fprintf( stderr, "failed to read: %s\n", filename );
+    if (ret == 2) {
+        mbedtls_fprintf(stderr, "failed to read: %s\n", filename);
+    }
 
-    return( ret );
+    return ret;
 }
 
-static int generic_print( const mbedtls_md_info_t *md_info, char *filename )
+static int generic_print(const mbedtls_md_info_t *md_info, char *filename)
 {
     int i;
     unsigned char sum[MBEDTLS_MD_MAX_SIZE];
 
-    if( generic_wrapper( md_info, filename, sum ) != 0 )
-        return( 1 );
+    if (generic_wrapper(md_info, filename, sum) != 0) {
+        return 1;
+    }
 
-    for( i = 0; i < mbedtls_md_get_size( md_info ); i++ )
-        mbedtls_printf( "%02x", sum[i] );
+    for (i = 0; i < mbedtls_md_get_size(md_info); i++) {
+        mbedtls_printf("%02x", sum[i]);
+    }
 
-    mbedtls_printf( "  %s\n", filename );
-    return( 0 );
+    mbedtls_printf("  %s\n", filename);
+    return 0;
 }
 
-static int generic_check( const mbedtls_md_info_t *md_info, char *filename )
+static int generic_check(const mbedtls_md_info_t *md_info, char *filename)
 {
     int i;
     size_t n;
@@ -81,141 +85,137 @@
     char buf[MBEDTLS_MD_MAX_SIZE * 2 + 1];
 #endif
 
-    if( ( f = fopen( filename, "rb" ) ) == NULL )
-    {
-        mbedtls_printf( "failed to open: %s\n", filename );
-        return( 1 );
+    if ((f = fopen(filename, "rb")) == NULL) {
+        mbedtls_printf("failed to open: %s\n", filename);
+        return 1;
     }
 
     nb_err1 = nb_err2 = 0;
     nb_tot1 = nb_tot2 = 0;
 
-    memset( line, 0, sizeof( line ) );
+    memset(line, 0, sizeof(line));
 
-    n = sizeof( line );
+    n = sizeof(line);
 
-    while( fgets( line, (int) n - 1, f ) != NULL )
-    {
-        n = strlen( line );
+    while (fgets(line, (int) n - 1, f) != NULL) {
+        n = strlen(line);
 
-        if( n < (size_t) 2 * mbedtls_md_get_size( md_info ) + 4 )
-        {
-            mbedtls_printf("No '%s' hash found on line.\n", mbedtls_md_get_name( md_info ));
+        if (n < (size_t) 2 * mbedtls_md_get_size(md_info) + 4) {
+            mbedtls_printf("No '%s' hash found on line.\n", mbedtls_md_get_name(md_info));
             continue;
         }
 
-        if( line[2 * mbedtls_md_get_size( md_info )] != ' ' || line[2 * mbedtls_md_get_size( md_info ) + 1] != ' ' )
-        {
-            mbedtls_printf("No '%s' hash found on line.\n", mbedtls_md_get_name( md_info ));
+        if (line[2 * mbedtls_md_get_size(md_info)] != ' ' ||
+            line[2 * mbedtls_md_get_size(md_info) + 1] != ' ') {
+            mbedtls_printf("No '%s' hash found on line.\n", mbedtls_md_get_name(md_info));
             continue;
         }
 
-        if( line[n - 1] == '\n' ) { n--; line[n] = '\0'; }
-        if( line[n - 1] == '\r' ) { n--; line[n] = '\0'; }
+        if (line[n - 1] == '\n') {
+            n--; line[n] = '\0';
+        }
+        if (line[n - 1] == '\r') {
+            n--; line[n] = '\0';
+        }
 
         nb_tot1++;
 
-        if( generic_wrapper( md_info, line + 2 + 2 * mbedtls_md_get_size( md_info ), sum ) != 0 )
-        {
+        if (generic_wrapper(md_info, line + 2 + 2 * mbedtls_md_get_size(md_info), sum) != 0) {
             nb_err1++;
             continue;
         }
 
         nb_tot2++;
 
-        for( i = 0; i < mbedtls_md_get_size( md_info ); i++ )
-            sprintf( buf + i * 2, "%02x", sum[i] );
+        for (i = 0; i < mbedtls_md_get_size(md_info); i++) {
+            sprintf(buf + i * 2, "%02x", sum[i]);
+        }
 
         /* Use constant-time buffer comparison */
         diff = 0;
-        for( i = 0; i < 2 * mbedtls_md_get_size( md_info ); i++ )
+        for (i = 0; i < 2 * mbedtls_md_get_size(md_info); i++) {
             diff |= line[i] ^ buf[i];
-
-        if( diff != 0 )
-        {
-            nb_err2++;
-            mbedtls_fprintf( stderr, "wrong checksum: %s\n", line + 66 );
         }
 
-        n = sizeof( line );
+        if (diff != 0) {
+            nb_err2++;
+            mbedtls_fprintf(stderr, "wrong checksum: %s\n", line + 66);
+        }
+
+        n = sizeof(line);
     }
 
-    if( nb_err1 != 0 )
-    {
-        mbedtls_printf( "WARNING: %d (out of %d) input files could "
-                "not be read\n", nb_err1, nb_tot1 );
+    if (nb_err1 != 0) {
+        mbedtls_printf("WARNING: %d (out of %d) input files could "
+                       "not be read\n", nb_err1, nb_tot1);
     }
 
-    if( nb_err2 != 0 )
-    {
-        mbedtls_printf( "WARNING: %d (out of %d) computed checksums did "
-                "not match\n", nb_err2, nb_tot2 );
+    if (nb_err2 != 0) {
+        mbedtls_printf("WARNING: %d (out of %d) computed checksums did "
+                       "not match\n", nb_err2, nb_tot2);
     }
 
-    fclose( f );
+    fclose(f);
 
-    return( nb_err1 != 0 || nb_err2 != 0 );
+    return nb_err1 != 0 || nb_err2 != 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1, i;
     int exit_code = MBEDTLS_EXIT_FAILURE;
     const mbedtls_md_info_t *md_info;
     mbedtls_md_context_t md_ctx;
 
-    mbedtls_md_init( &md_ctx );
+    mbedtls_md_init(&md_ctx);
 
-    if( argc == 1 )
-    {
+    if (argc == 1) {
         const int *list;
 
-        mbedtls_printf( "print mode:  generic_sum <mbedtls_md> <file> <file> ...\n" );
-        mbedtls_printf( "check mode:  generic_sum <mbedtls_md> -c <checksum file>\n" );
+        mbedtls_printf("print mode:  generic_sum <mbedtls_md> <file> <file> ...\n");
+        mbedtls_printf("check mode:  generic_sum <mbedtls_md> -c <checksum file>\n");
 
-        mbedtls_printf( "\nAvailable message digests:\n" );
+        mbedtls_printf("\nAvailable message digests:\n");
         list = mbedtls_md_list();
-        while( *list )
-        {
-            md_info = mbedtls_md_info_from_type( *list );
-            mbedtls_printf( "  %s\n", mbedtls_md_get_name( md_info ) );
+        while (*list) {
+            md_info = mbedtls_md_info_from_type(*list);
+            mbedtls_printf("  %s\n", mbedtls_md_get_name(md_info));
             list++;
         }
 
-        mbedtls_exit( exit_code );
+        mbedtls_exit(exit_code);
     }
 
     /*
      * Read the MD from the command line
      */
-    md_info = mbedtls_md_info_from_string( argv[1] );
-    if( md_info == NULL )
-    {
-        mbedtls_fprintf( stderr, "Message Digest '%s' not found\n", argv[1] );
-        mbedtls_exit( exit_code );
+    md_info = mbedtls_md_info_from_string(argv[1]);
+    if (md_info == NULL) {
+        mbedtls_fprintf(stderr, "Message Digest '%s' not found\n", argv[1]);
+        mbedtls_exit(exit_code);
     }
-    if( mbedtls_md_setup( &md_ctx, md_info, 0 ) )
-    {
-        mbedtls_fprintf( stderr, "Failed to initialize context.\n" );
-        mbedtls_exit( exit_code );
+    if (mbedtls_md_setup(&md_ctx, md_info, 0)) {
+        mbedtls_fprintf(stderr, "Failed to initialize context.\n");
+        mbedtls_exit(exit_code);
     }
 
     ret = 0;
-    if( argc == 4 && strcmp( "-c", argv[2] ) == 0 )
-    {
-        ret |= generic_check( md_info, argv[3] );
+    if (argc == 4 && strcmp("-c", argv[2]) == 0) {
+        ret |= generic_check(md_info, argv[3]);
         goto exit;
     }
 
-    for( i = 2; i < argc; i++ )
-        ret |= generic_print( md_info, argv[i] );
+    for (i = 2; i < argc; i++) {
+        ret |= generic_print(md_info, argv[i]);
+    }
 
-    if ( ret == 0 )
+    if (ret == 0) {
         exit_code = MBEDTLS_EXIT_SUCCESS;
+    }
 
 exit:
-    mbedtls_md_free( &md_ctx );
+    mbedtls_md_free(&md_ctx);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_MD_C && MBEDTLS_FS_IO */
diff --git a/programs/hash/hello.c b/programs/hash/hello.c
index 3ef0652..7bb27ad 100644
--- a/programs/hash/hello.c
+++ b/programs/hash/hello.c
@@ -26,30 +26,32 @@
 #endif
 
 #if !defined(MBEDTLS_MD5_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_MD5_C not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( void )
+int main(void)
 {
     int i, ret;
     unsigned char digest[16];
     char str[] = "Hello, world!";
 
-    mbedtls_printf( "\n  MD5('%s') = ", str );
+    mbedtls_printf("\n  MD5('%s') = ", str);
 
-    if( ( ret = mbedtls_md5( (unsigned char *) str, 13, digest ) ) != 0 )
-        mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+    if ((ret = mbedtls_md5((unsigned char *) str, 13, digest)) != 0) {
+        mbedtls_exit(MBEDTLS_EXIT_FAILURE);
+    }
 
-    for( i = 0; i < 16; i++ )
-        mbedtls_printf( "%02x", digest[i] );
+    for (i = 0; i < 16; i++) {
+        mbedtls_printf("%02x", digest[i]);
+    }
 
-    mbedtls_printf( "\n\n" );
+    mbedtls_printf("\n\n");
 
-    mbedtls_exit( MBEDTLS_EXIT_SUCCESS );
+    mbedtls_exit(MBEDTLS_EXIT_SUCCESS);
 }
 #endif /* MBEDTLS_MD5_C */
diff --git a/programs/hash/md_hmac_demo.c b/programs/hash/md_hmac_demo.c
index d4cc3cc..4c812fb 100644
--- a/programs/hash/md_hmac_demo.c
+++ b/programs/hash/md_hmac_demo.c
@@ -49,10 +49,10 @@
 
 /* If the build options we need are not enabled, compile a placeholder. */
 #if !defined(MBEDTLS_MD_C)
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_MD_C not defined\r\n" );
-    return( 0 );
+    printf("MBEDTLS_MD_C not defined\r\n");
+    return 0;
 }
 #else
 
@@ -69,30 +69,31 @@
 const unsigned char key_bytes[32] = { 0 };
 
 /* Print the contents of a buffer in hex */
-void print_buf( const char *title, unsigned char *buf, size_t len )
+void print_buf(const char *title, unsigned char *buf, size_t len)
 {
-    printf( "%s:", title );
-    for( size_t i = 0; i < len; i++ )
-        printf( " %02x", buf[i] );
-    printf( "\n" );
+    printf("%s:", title);
+    for (size_t i = 0; i < len; i++) {
+        printf(" %02x", buf[i]);
+    }
+    printf("\n");
 }
 
 /* Run an Mbed TLS function and bail out if it fails.
  * A string description of the error code can be recovered with:
  * programs/util/strerror <value> */
-#define CHK( expr )                                             \
+#define CHK(expr)                                             \
     do                                                          \
     {                                                           \
-        ret = ( expr );                                         \
-        if( ret != 0 )                                          \
+        ret = (expr);                                         \
+        if (ret != 0)                                          \
         {                                                       \
-            printf( "Error %d at line %d: %s\n",                \
-                    ret,                                        \
-                    __LINE__,                                   \
-                    #expr );                                    \
+            printf("Error %d at line %d: %s\n",                \
+                   ret,                                        \
+                   __LINE__,                                   \
+                   #expr);                                    \
             goto exit;                                          \
         }                                                       \
-    } while( 0 )
+    } while (0)
 
 /*
  * This function demonstrates computation of the HMAC of two messages using
@@ -106,42 +107,42 @@
 
     mbedtls_md_context_t ctx;
 
-    mbedtls_md_init( &ctx );
+    mbedtls_md_init(&ctx);
 
     /* prepare context and load key */
     // the last argument to setup is 1 to enable HMAC (not just hashing)
-    const mbedtls_md_info_t *info = mbedtls_md_info_from_type( alg );
-    CHK( mbedtls_md_setup( &ctx, info, 1 ) );
-    CHK( mbedtls_md_hmac_starts( &ctx, key_bytes, sizeof( key_bytes ) ) );
+    const mbedtls_md_info_t *info = mbedtls_md_info_from_type(alg);
+    CHK(mbedtls_md_setup(&ctx, info, 1));
+    CHK(mbedtls_md_hmac_starts(&ctx, key_bytes, sizeof(key_bytes)));
 
     /* compute HMAC(key, msg1_part1 | msg1_part2) */
-    CHK( mbedtls_md_hmac_update( &ctx, msg1_part1, sizeof( msg1_part1 ) ) );
-    CHK( mbedtls_md_hmac_update( &ctx, msg1_part2, sizeof( msg1_part2 ) ) );
-    CHK( mbedtls_md_hmac_finish( &ctx, out ) );
-    print_buf( "msg1", out, mbedtls_md_get_size( info ) );
+    CHK(mbedtls_md_hmac_update(&ctx, msg1_part1, sizeof(msg1_part1)));
+    CHK(mbedtls_md_hmac_update(&ctx, msg1_part2, sizeof(msg1_part2)));
+    CHK(mbedtls_md_hmac_finish(&ctx, out));
+    print_buf("msg1", out, mbedtls_md_get_size(info));
 
     /* compute HMAC(key, msg2_part1 | msg2_part2) */
-    CHK( mbedtls_md_hmac_reset( &ctx ) ); // prepare for new operation
-    CHK( mbedtls_md_hmac_update( &ctx, msg2_part1, sizeof( msg2_part1 ) ) );
-    CHK( mbedtls_md_hmac_update( &ctx, msg2_part2, sizeof( msg2_part2 ) ) );
-    CHK( mbedtls_md_hmac_finish( &ctx, out ) );
-    print_buf( "msg2", out, mbedtls_md_get_size( info ) );
+    CHK(mbedtls_md_hmac_reset(&ctx));     // prepare for new operation
+    CHK(mbedtls_md_hmac_update(&ctx, msg2_part1, sizeof(msg2_part1)));
+    CHK(mbedtls_md_hmac_update(&ctx, msg2_part2, sizeof(msg2_part2)));
+    CHK(mbedtls_md_hmac_finish(&ctx, out));
+    print_buf("msg2", out, mbedtls_md_get_size(info));
 
 exit:
-    mbedtls_md_free( &ctx );
-    mbedtls_platform_zeroize( out, sizeof( out ) );
+    mbedtls_md_free(&ctx);
+    mbedtls_platform_zeroize(out, sizeof(out));
 
-    return( ret );
+    return ret;
 }
 
 int main(void)
 {
     int ret;
 
-    CHK( hmac_demo() );
+    CHK(hmac_demo());
 
 exit:
-    return( ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE );
+    return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
 #endif
diff --git a/programs/pkey/dh_client.c b/programs/pkey/dh_client.c
index 3619cb2..bc58a15 100644
--- a/programs/pkey/dh_client.c
+++ b/programs/pkey/dh_client.c
@@ -46,18 +46,18 @@
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_SHA256_C) ||    \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_CTR_DRBG_C) || \
     !defined(MBEDTLS_SHA1_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_AES_C and/or MBEDTLS_DHM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "and/or MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( void )
+int main(void)
 {
     FILE *f;
 
@@ -77,111 +77,102 @@
     mbedtls_dhm_context dhm;
     mbedtls_aes_context aes;
 
-    mbedtls_net_init( &server_fd );
-    mbedtls_dhm_init( &dhm );
-    mbedtls_aes_init( &aes );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&server_fd);
+    mbedtls_dhm_init(&dhm);
+    mbedtls_aes_init(&aes);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
     /*
      * 1. Setup the RNG
      */
-    mbedtls_printf( "\n  . Seeding the random number generator" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
     /*
      * 2. Read the server's public RSA key
      */
-    mbedtls_printf( "\n  . Reading public key from rsa_pub.txt" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading public key from rsa_pub.txt");
+    fflush(stdout);
 
-    if( ( f = fopen( "rsa_pub.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not open rsa_pub.txt\n" \
-                "  ! Please run rsa_genkey first\n\n" );
+    if ((f = fopen("rsa_pub.txt", "rb")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not open rsa_pub.txt\n" \
+                       "  ! Please run rsa_genkey first\n\n");
         goto exit;
     }
 
-    mbedtls_rsa_init( &rsa );
+    mbedtls_rsa_init(&rsa);
 
-    if( ( ret = mbedtls_mpi_read_file( &rsa.MBEDTLS_PRIVATE(N), 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &rsa.MBEDTLS_PRIVATE(E), 16, f ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_read_file returned %d\n\n", ret );
-        fclose( f );
+    if ((ret = mbedtls_mpi_read_file(&rsa.MBEDTLS_PRIVATE(N), 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&rsa.MBEDTLS_PRIVATE(E), 16, f)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_read_file returned %d\n\n", ret);
+        fclose(f);
         goto exit;
     }
 
-    rsa.MBEDTLS_PRIVATE(len) = ( mbedtls_mpi_bitlen( &rsa.MBEDTLS_PRIVATE(N) ) + 7 ) >> 3;
+    rsa.MBEDTLS_PRIVATE(len) = (mbedtls_mpi_bitlen(&rsa.MBEDTLS_PRIVATE(N)) + 7) >> 3;
 
-    fclose( f );
+    fclose(f);
 
     /*
      * 3. Initiate the connection
      */
-    mbedtls_printf( "\n  . Connecting to tcp/%s/%s", SERVER_NAME,
-                                             SERVER_PORT );
-    fflush( stdout );
+    mbedtls_printf("\n  . Connecting to tcp/%s/%s", SERVER_NAME,
+                   SERVER_PORT);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, SERVER_NAME,
-                                         SERVER_PORT, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, SERVER_NAME,
+                                   SERVER_PORT, MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
     /*
      * 4a. First get the buffer length
      */
-    mbedtls_printf( "\n  . Receiving the server's DH parameters" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Receiving the server's DH parameters");
+    fflush(stdout);
 
-    memset( buf, 0, sizeof( buf ) );
+    memset(buf, 0, sizeof(buf));
 
-    if( ( ret = mbedtls_net_recv( &server_fd, buf, 2 ) ) != 2 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_recv returned %d\n\n", ret );
+    if ((ret = mbedtls_net_recv(&server_fd, buf, 2)) != 2) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_recv returned %d\n\n", ret);
         goto exit;
     }
 
-    n = buflen = ( buf[0] << 8 ) | buf[1];
-    if( buflen < 1 || buflen > sizeof( buf ) )
-    {
-        mbedtls_printf( " failed\n  ! Got an invalid buffer length\n\n" );
+    n = buflen = (buf[0] << 8) | buf[1];
+    if (buflen < 1 || buflen > sizeof(buf)) {
+        mbedtls_printf(" failed\n  ! Got an invalid buffer length\n\n");
         goto exit;
     }
 
     /*
      * 4b. Get the DHM parameters: P, G and Ys = G^Xs mod P
      */
-    memset( buf, 0, sizeof( buf ) );
+    memset(buf, 0, sizeof(buf));
 
-    if( ( ret = mbedtls_net_recv( &server_fd, buf, n ) ) != (int) n )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_recv returned %d\n\n", ret );
+    if ((ret = mbedtls_net_recv(&server_fd, buf, n)) != (int) n) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_recv returned %d\n\n", ret);
         goto exit;
     }
 
     p = buf, end = buf + buflen;
 
-    if( ( ret = mbedtls_dhm_read_params( &dhm, &p, end ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_dhm_read_params returned %d\n\n", ret );
+    if ((ret = mbedtls_dhm_read_params(&dhm, &p, end)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_dhm_read_params returned %d\n\n", ret);
         goto exit;
     }
 
-    n = mbedtls_dhm_get_len( &dhm );
-    if( n < 64 || n > 512 )
-    {
-        mbedtls_printf( " failed\n  ! Invalid DHM modulus size\n\n" );
+    n = mbedtls_dhm_get_len(&dhm);
+    if (n < 64 || n > 512) {
+        mbedtls_printf(" failed\n  ! Invalid DHM modulus size\n\n");
         goto exit;
     }
 
@@ -189,65 +180,60 @@
      * 5. Check that the server's RSA signature matches
      *    the SHA-256 hash of (P,G,Ys)
      */
-    mbedtls_printf( "\n  . Verifying the server's RSA signature" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Verifying the server's RSA signature");
+    fflush(stdout);
 
     p += 2;
 
-    if( ( n = (size_t) ( end - p ) ) != rsa.MBEDTLS_PRIVATE(len) )
-    {
-        mbedtls_printf( " failed\n  ! Invalid RSA signature size\n\n" );
+    if ((n = (size_t) (end - p)) != rsa.MBEDTLS_PRIVATE(len)) {
+        mbedtls_printf(" failed\n  ! Invalid RSA signature size\n\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_sha1( buf, (int)( p - 2 - buf ), hash ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_sha1 returned %d\n\n", ret );
+    if ((ret = mbedtls_sha1(buf, (int) (p - 2 - buf), hash)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_sha1 returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_pkcs1_verify( &rsa, MBEDTLS_MD_SHA256,
-                                          32, hash, p ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_pkcs1_verify returned %d\n\n", ret );
+    if ((ret = mbedtls_rsa_pkcs1_verify(&rsa, MBEDTLS_MD_SHA256,
+                                        32, hash, p)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_pkcs1_verify returned %d\n\n", ret);
         goto exit;
     }
 
     /*
      * 6. Send our public value: Yc = G ^ Xc mod P
      */
-    mbedtls_printf( "\n  . Sending own public value to server" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Sending own public value to server");
+    fflush(stdout);
 
-    n = mbedtls_dhm_get_len( &dhm );
-    if( ( ret = mbedtls_dhm_make_public( &dhm, (int) n, buf, n,
-                                 mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_dhm_make_public returned %d\n\n", ret );
+    n = mbedtls_dhm_get_len(&dhm);
+    if ((ret = mbedtls_dhm_make_public(&dhm, (int) n, buf, n,
+                                       mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_dhm_make_public returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_net_send( &server_fd, buf, n ) ) != (int) n )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_send returned %d\n\n", ret );
+    if ((ret = mbedtls_net_send(&server_fd, buf, n)) != (int) n) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_send returned %d\n\n", ret);
         goto exit;
     }
 
     /*
      * 7. Derive the shared secret: K = Ys ^ Xc mod P
      */
-    mbedtls_printf( "\n  . Shared secret: " );
-    fflush( stdout );
+    mbedtls_printf("\n  . Shared secret: ");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_dhm_calc_secret( &dhm, buf, sizeof( buf ), &n,
-                                 mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_dhm_calc_secret returned %d\n\n", ret );
+    if ((ret = mbedtls_dhm_calc_secret(&dhm, buf, sizeof(buf), &n,
+                                       mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_dhm_calc_secret returned %d\n\n", ret);
         goto exit;
     }
 
-    for( n = 0; n < 16; n++ )
-        mbedtls_printf( "%02x", buf[n] );
+    for (n = 0; n < 16; n++) {
+        mbedtls_printf("%02x", buf[n]);
+    }
 
     /*
      * 8. Setup the AES-256 decryption key
@@ -257,40 +243,41 @@
      * the keying material for the encryption/decryption keys,
      * IVs and MACs.
      */
-    mbedtls_printf( "...\n  . Receiving and decrypting the ciphertext" );
-    fflush( stdout );
+    mbedtls_printf("...\n  . Receiving and decrypting the ciphertext");
+    fflush(stdout);
 
-    ret = mbedtls_aes_setkey_dec( &aes, buf, 256 );
-    if( ret != 0 )
-        goto exit;
-
-    memset( buf, 0, sizeof( buf ) );
-
-    if( ( ret = mbedtls_net_recv( &server_fd, buf, 16 ) ) != 16 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_recv returned %d\n\n", ret );
+    ret = mbedtls_aes_setkey_dec(&aes, buf, 256);
+    if (ret != 0) {
         goto exit;
     }
 
-    ret = mbedtls_aes_crypt_ecb( &aes, MBEDTLS_AES_DECRYPT, buf, buf );
-    if( ret != 0 )
+    memset(buf, 0, sizeof(buf));
+
+    if ((ret = mbedtls_net_recv(&server_fd, buf, 16)) != 16) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_recv returned %d\n\n", ret);
         goto exit;
+    }
+
+    ret = mbedtls_aes_crypt_ecb(&aes, MBEDTLS_AES_DECRYPT, buf, buf);
+    if (ret != 0) {
+        goto exit;
+    }
     buf[16] = '\0';
-    mbedtls_printf( "\n  . Plaintext is \"%s\"\n\n", (char *) buf );
+    mbedtls_printf("\n  . Plaintext is \"%s\"\n\n", (char *) buf);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_aes_free( &aes );
-    mbedtls_rsa_free( &rsa );
-    mbedtls_dhm_free( &dhm );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_aes_free(&aes);
+    mbedtls_rsa_free(&rsa);
+    mbedtls_dhm_free(&dhm);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_AES_C && MBEDTLS_DHM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_NET_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
diff --git a/programs/pkey/dh_genprime.c b/programs/pkey/dh_genprime.c
index 3e81d13..25371ba 100644
--- a/programs/pkey/dh_genprime.c
+++ b/programs/pkey/dh_genprime.c
@@ -24,12 +24,12 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||   \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_CTR_DRBG_C) ||     \
     !defined(MBEDTLS_GENPRIME)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C and/or "
-           "MBEDTLS_GENPRIME not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C and/or "
+                   "MBEDTLS_GENPRIME not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -54,7 +54,7 @@
 #define GENERATOR "4"
 
 
-int main( int argc, char **argv )
+int main(int argc, char **argv)
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -67,116 +67,107 @@
     int i;
     char *p, *q;
 
-    mbedtls_mpi_init( &G ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
+    mbedtls_mpi_init(&G); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "bits" ) == 0 )
-        {
-            nbits = atoi( q );
-            if( nbits < 0 || nbits > MBEDTLS_MPI_MAX_BITS )
+        if (strcmp(p, "bits") == 0) {
+            nbits = atoi(q);
+            if (nbits < 0 || nbits > MBEDTLS_MPI_MAX_BITS) {
                 goto usage;
-        }
-        else
+            }
+        } else {
             goto usage;
+        }
     }
 
-    if( ( ret = mbedtls_mpi_read_string( &G, 10, GENERATOR ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_read_string returned %d\n", ret );
+    if ((ret = mbedtls_mpi_read_string(&G, 10, GENERATOR)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_read_string returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( "  ! Generating large primes may take minutes!\n" );
+    mbedtls_printf("  ! Generating large primes may take minutes!\n");
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Generating the modulus, please wait..." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Generating the modulus, please wait...");
+    fflush(stdout);
 
     /*
      * This can take a long time...
      */
-    if( ( ret = mbedtls_mpi_gen_prime( &P, nbits, 1,
-                               mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_gen_prime returned %d\n\n", ret );
+    if ((ret = mbedtls_mpi_gen_prime(&P, nbits, 1,
+                                     mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_gen_prime returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Verifying that Q = (P-1)/2 is prime..." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Verifying that Q = (P-1)/2 is prime...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_mpi_sub_int( &Q, &P, 1 ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_sub_int returned %d\n\n", ret );
+    if ((ret = mbedtls_mpi_sub_int(&Q, &P, 1)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_sub_int returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_div_int( &Q, NULL, &Q, 2 ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_div_int returned %d\n\n", ret );
+    if ((ret = mbedtls_mpi_div_int(&Q, NULL, &Q, 2)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_div_int returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_is_prime_ext( &Q, 50, mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_is_prime returned %d\n\n", ret );
+    if ((ret = mbedtls_mpi_is_prime_ext(&Q, 50, mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_is_prime returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Exporting the value in dh_prime.txt..." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Exporting the value in dh_prime.txt...");
+    fflush(stdout);
 
-    if( ( fout = fopen( "dh_prime.txt", "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not create dh_prime.txt\n\n" );
+    if ((fout = fopen("dh_prime.txt", "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not create dh_prime.txt\n\n");
         goto exit;
     }
 
-    if( ( ( ret = mbedtls_mpi_write_file( "P = ", &P, 16, fout ) ) != 0 ) ||
-        ( ( ret = mbedtls_mpi_write_file( "G = ", &G, 16, fout ) ) != 0 ) )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret );
-        fclose( fout );
+    if (((ret = mbedtls_mpi_write_file("P = ", &P, 16, fout)) != 0) ||
+        ((ret = mbedtls_mpi_write_file("G = ", &G, 16, fout)) != 0)) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret);
+        fclose(fout);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n\n" );
-    fclose( fout );
+    mbedtls_printf(" ok\n\n");
+    fclose(fout);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_mpi_free( &G ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_mpi_free(&G); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_FS_IO &&
           MBEDTLS_CTR_DRBG_C && MBEDTLS_GENPRIME */
diff --git a/programs/pkey/dh_server.c b/programs/pkey/dh_server.c
index e6f53ed..2514fc0 100644
--- a/programs/pkey/dh_server.c
+++ b/programs/pkey/dh_server.c
@@ -46,18 +46,18 @@
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_SHA256_C) ||    \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_CTR_DRBG_C) || \
     !defined(MBEDTLS_SHA1_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_AES_C and/or MBEDTLS_DHM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "and/or MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( void )
+int main(void)
 {
     FILE *f;
 
@@ -79,195 +79,181 @@
 
     mbedtls_mpi N, P, Q, D, E;
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_dhm_init( &dhm );
-    mbedtls_aes_init( &aes );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_dhm_init(&dhm);
+    mbedtls_aes_init(&aes);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_mpi_init(&D); mbedtls_mpi_init(&E);
 
     /*
      * 1. Setup the RNG
      */
-    mbedtls_printf( "\n  . Seeding the random number generator" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
     /*
      * 2a. Read the server's private RSA key
      */
-    mbedtls_printf( "\n  . Reading private key from rsa_priv.txt" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading private key from rsa_priv.txt");
+    fflush(stdout);
 
-    if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not open rsa_priv.txt\n" \
-                "  ! Please run rsa_genkey first\n\n" );
+    if ((f = fopen("rsa_priv.txt", "rb")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not open rsa_priv.txt\n" \
+                       "  ! Please run rsa_genkey first\n\n");
         goto exit;
     }
 
-    mbedtls_rsa_init( &rsa );
+    mbedtls_rsa_init(&rsa);
 
-    if( ( ret = mbedtls_mpi_read_file( &N , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &E , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &D , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &P , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &Q , 16, f ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_read_file returned %d\n\n",
-                        ret );
-        fclose( f );
+    if ((ret = mbedtls_mpi_read_file(&N, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&E, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&D, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&P, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&Q, 16, f)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_read_file returned %d\n\n",
+                       ret);
+        fclose(f);
         goto exit;
     }
-    fclose( f );
+    fclose(f);
 
-    if( ( ret = mbedtls_rsa_import( &rsa, &N, &P, &Q, &D, &E ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_import returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_rsa_import(&rsa, &N, &P, &Q, &D, &E)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_import returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_complete( &rsa ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_complete returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_rsa_complete(&rsa)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_complete returned %d\n\n",
+                       ret);
         goto exit;
     }
 
     /*
      * 2b. Get the DHM modulus and generator
      */
-    mbedtls_printf( "\n  . Reading DH parameters from dh_prime.txt" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading DH parameters from dh_prime.txt");
+    fflush(stdout);
 
-    if( ( f = fopen( "dh_prime.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not open dh_prime.txt\n" \
-                "  ! Please run dh_genprime first\n\n" );
+    if ((f = fopen("dh_prime.txt", "rb")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not open dh_prime.txt\n" \
+                       "  ! Please run dh_genprime first\n\n");
         goto exit;
     }
 
-    if( mbedtls_mpi_read_file( &dhm.MBEDTLS_PRIVATE(P), 16, f ) != 0 ||
-        mbedtls_mpi_read_file( &dhm.MBEDTLS_PRIVATE(G), 16, f ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Invalid DH parameter file\n\n" );
-        fclose( f );
+    if (mbedtls_mpi_read_file(&dhm.MBEDTLS_PRIVATE(P), 16, f) != 0 ||
+        mbedtls_mpi_read_file(&dhm.MBEDTLS_PRIVATE(G), 16, f) != 0) {
+        mbedtls_printf(" failed\n  ! Invalid DH parameter file\n\n");
+        fclose(f);
         goto exit;
     }
 
-    fclose( f );
+    fclose(f);
 
     /*
      * 3. Wait for a client to connect
      */
-    mbedtls_printf( "\n  . Waiting for a remote connection" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Waiting for a remote connection");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, NULL, SERVER_PORT, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, NULL, SERVER_PORT, MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                    NULL, 0, NULL ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_accept returned %d\n\n", ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                  NULL, 0, NULL)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_accept returned %d\n\n", ret);
         goto exit;
     }
 
     /*
      * 4. Setup the DH parameters (P,G,Ys)
      */
-    mbedtls_printf( "\n  . Sending the server's DH parameters" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Sending the server's DH parameters");
+    fflush(stdout);
 
-    memset( buf, 0, sizeof( buf ) );
+    memset(buf, 0, sizeof(buf));
 
-    if( ( ret = mbedtls_dhm_make_params( &dhm, (int) mbedtls_mpi_size( &dhm.MBEDTLS_PRIVATE(P) ), buf, &n,
-                                 mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_dhm_make_params returned %d\n\n", ret );
+    if ((ret =
+             mbedtls_dhm_make_params(&dhm, (int) mbedtls_mpi_size(&dhm.MBEDTLS_PRIVATE(P)), buf, &n,
+                                     mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_dhm_make_params returned %d\n\n", ret);
         goto exit;
     }
 
     /*
      * 5. Sign the parameters and send them
      */
-    if( ( ret = mbedtls_sha1( buf, n, hash ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_sha1 returned %d\n\n", ret );
+    if ((ret = mbedtls_sha1(buf, n, hash)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_sha1 returned %d\n\n", ret);
         goto exit;
     }
 
-    buf[n    ] = (unsigned char)( rsa.MBEDTLS_PRIVATE(len) >> 8 );
-    buf[n + 1] = (unsigned char)( rsa.MBEDTLS_PRIVATE(len)      );
+    buf[n] = (unsigned char) (rsa.MBEDTLS_PRIVATE(len) >> 8);
+    buf[n + 1] = (unsigned char) (rsa.MBEDTLS_PRIVATE(len));
 
-    if( ( ret = mbedtls_rsa_pkcs1_sign( &rsa, NULL, NULL, MBEDTLS_MD_SHA256,
-                                32, hash, buf + n + 2 ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_pkcs1_sign returned %d\n\n", ret );
+    if ((ret = mbedtls_rsa_pkcs1_sign(&rsa, NULL, NULL, MBEDTLS_MD_SHA256,
+                                      32, hash, buf + n + 2)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_pkcs1_sign returned %d\n\n", ret);
         goto exit;
     }
 
     buflen = n + 2 + rsa.MBEDTLS_PRIVATE(len);
-    buf2[0] = (unsigned char)( buflen >> 8 );
-    buf2[1] = (unsigned char)( buflen      );
+    buf2[0] = (unsigned char) (buflen >> 8);
+    buf2[1] = (unsigned char) (buflen);
 
-    if( ( ret = mbedtls_net_send( &client_fd, buf2, 2 ) ) != 2 ||
-        ( ret = mbedtls_net_send( &client_fd, buf, buflen ) ) != (int) buflen )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_send returned %d\n\n", ret );
+    if ((ret = mbedtls_net_send(&client_fd, buf2, 2)) != 2 ||
+        (ret = mbedtls_net_send(&client_fd, buf, buflen)) != (int) buflen) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_send returned %d\n\n", ret);
         goto exit;
     }
 
     /*
      * 6. Get the client's public value: Yc = G ^ Xc mod P
      */
-    mbedtls_printf( "\n  . Receiving the client's public value" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Receiving the client's public value");
+    fflush(stdout);
 
-    memset( buf, 0, sizeof( buf ) );
+    memset(buf, 0, sizeof(buf));
 
-    n = mbedtls_dhm_get_len( &dhm );
-    if( ( ret = mbedtls_net_recv( &client_fd, buf, n ) ) != (int) n )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_recv returned %d\n\n", ret );
+    n = mbedtls_dhm_get_len(&dhm);
+    if ((ret = mbedtls_net_recv(&client_fd, buf, n)) != (int) n) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_recv returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_dhm_read_public( &dhm, buf, n ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_dhm_read_public returned %d\n\n", ret );
+    if ((ret = mbedtls_dhm_read_public(&dhm, buf, n)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_dhm_read_public returned %d\n\n", ret);
         goto exit;
     }
 
     /*
      * 7. Derive the shared secret: K = Ys ^ Xc mod P
      */
-    mbedtls_printf( "\n  . Shared secret: " );
-    fflush( stdout );
+    mbedtls_printf("\n  . Shared secret: ");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_dhm_calc_secret( &dhm, buf, sizeof( buf ), &n,
-                                 mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_dhm_calc_secret returned %d\n\n", ret );
+    if ((ret = mbedtls_dhm_calc_secret(&dhm, buf, sizeof(buf), &n,
+                                       mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_dhm_calc_secret returned %d\n\n", ret);
         goto exit;
     }
 
-    for( n = 0; n < 16; n++ )
-        mbedtls_printf( "%02x", buf[n] );
+    for (n = 0; n < 16; n++) {
+        mbedtls_printf("%02x", buf[n]);
+    }
 
     /*
      * 8. Setup the AES-256 encryption key
@@ -277,42 +263,43 @@
      * the keying material for the encryption/decryption keys
      * and MACs.
      */
-    mbedtls_printf( "...\n  . Encrypting and sending the ciphertext" );
-    fflush( stdout );
+    mbedtls_printf("...\n  . Encrypting and sending the ciphertext");
+    fflush(stdout);
 
-    ret = mbedtls_aes_setkey_enc( &aes, buf, 256 );
-    if( ret != 0 )
+    ret = mbedtls_aes_setkey_enc(&aes, buf, 256);
+    if (ret != 0) {
         goto exit;
-    memcpy( buf, PLAINTEXT, 16 );
-    ret = mbedtls_aes_crypt_ecb( &aes, MBEDTLS_AES_ENCRYPT, buf, buf );
-    if( ret != 0 )
-        goto exit;
-
-    if( ( ret = mbedtls_net_send( &client_fd, buf, 16 ) ) != 16 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_send returned %d\n\n", ret );
+    }
+    memcpy(buf, PLAINTEXT, 16);
+    ret = mbedtls_aes_crypt_ecb(&aes, MBEDTLS_AES_ENCRYPT, buf, buf);
+    if (ret != 0) {
         goto exit;
     }
 
-    mbedtls_printf( "\n\n" );
+    if ((ret = mbedtls_net_send(&client_fd, buf, 16)) != 16) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_send returned %d\n\n", ret);
+        goto exit;
+    }
+
+    mbedtls_printf("\n\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E );
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_mpi_free(&D); mbedtls_mpi_free(&E);
 
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_aes_free( &aes );
-    mbedtls_rsa_free( &rsa );
-    mbedtls_dhm_free( &dhm );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_aes_free(&aes);
+    mbedtls_rsa_free(&rsa);
+    mbedtls_dhm_free(&dhm);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_AES_C && MBEDTLS_DHM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_NET_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
diff --git a/programs/pkey/ecdh_curve25519.c b/programs/pkey/ecdh_curve25519.c
index 5dd6bdd..d880a1a 100644
--- a/programs/pkey/ecdh_curve25519.c
+++ b/programs/pkey/ecdh_curve25519.c
@@ -24,13 +24,13 @@
 #if !defined(MBEDTLS_ECDH_C) || \
     !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) || \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_ECDH_C and/or "
-                    "MBEDTLS_ECP_DP_CURVE25519_ENABLED and/or "
-                    "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C "
-                    "not defined\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_ECDH_C and/or "
+                   "MBEDTLS_ECP_DP_CURVE25519_ENABLED and/or "
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C "
+                   "not defined\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -41,7 +41,7 @@
 #include <string.h>
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -60,151 +60,142 @@
     ((void) argc);
     ((void) argv);
 
-    mbedtls_ecdh_init( &ctx_cli );
-    mbedtls_ecdh_init( &ctx_srv );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_ecdh_init(&ctx_cli);
+    mbedtls_ecdh_init(&ctx_srv);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
     /*
      * Initialize random number generation
      */
-    mbedtls_printf( "  . Seed the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("  . Seed the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
-                                       &entropy,
-                                       (const unsigned char *) pers,
-                                       sizeof pers ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n",
-                        ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,
+                                     &entropy,
+                                     (const unsigned char *) pers,
+                                     sizeof pers)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * Client: initialize context and generate keypair
      */
-    mbedtls_printf( "  . Set up client context, generate EC key pair..." );
-    fflush( stdout );
+    mbedtls_printf("  . Set up client context, generate EC key pair...");
+    fflush(stdout);
 
-    ret = mbedtls_ecdh_setup( &ctx_cli, MBEDTLS_ECP_DP_CURVE25519 );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdh_setup returned %d\n", ret );
+    ret = mbedtls_ecdh_setup(&ctx_cli, MBEDTLS_ECP_DP_CURVE25519);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdh_setup returned %d\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_ecdh_make_params( &ctx_cli, &cli_olen, cli_to_srv,
-                                    sizeof( cli_to_srv ),
-                                    mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdh_make_params returned %d\n",
-                        ret );
+    ret = mbedtls_ecdh_make_params(&ctx_cli, &cli_olen, cli_to_srv,
+                                   sizeof(cli_to_srv),
+                                   mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdh_make_params returned %d\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * Server: initialize context and generate keypair
      */
-    mbedtls_printf( "  . Server: read params, generate public key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Server: read params, generate public key...");
+    fflush(stdout);
 
-    ret = mbedtls_ecdh_read_params( &ctx_srv, &p_cli_to_srv,
-                                    p_cli_to_srv + sizeof( cli_to_srv ) );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdh_read_params returned %d\n",
-                        ret );
+    ret = mbedtls_ecdh_read_params(&ctx_srv, &p_cli_to_srv,
+                                   p_cli_to_srv + sizeof(cli_to_srv));
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdh_read_params returned %d\n",
+                       ret);
         goto exit;
     }
 
-    ret = mbedtls_ecdh_make_public( &ctx_srv, &srv_olen, srv_to_cli,
-                                    sizeof( srv_to_cli ),
-                                    mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdh_make_public returned %d\n",
-                        ret );
+    ret = mbedtls_ecdh_make_public(&ctx_srv, &srv_olen, srv_to_cli,
+                                   sizeof(srv_to_cli),
+                                   mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdh_make_public returned %d\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * Client: read public key
      */
-    mbedtls_printf( "  . Client: read public key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Client: read public key...");
+    fflush(stdout);
 
-    ret = mbedtls_ecdh_read_public( &ctx_cli, srv_to_cli,
-                                    sizeof( srv_to_cli ) );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdh_read_public returned %d\n",
-                        ret );
+    ret = mbedtls_ecdh_read_public(&ctx_cli, srv_to_cli,
+                                   sizeof(srv_to_cli));
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdh_read_public returned %d\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * Calculate secrets
      */
-    mbedtls_printf( "  . Calculate secrets..." );
-    fflush( stdout );
+    mbedtls_printf("  . Calculate secrets...");
+    fflush(stdout);
 
-    ret = mbedtls_ecdh_calc_secret( &ctx_cli, &cli_olen, secret_cli,
-                                    sizeof( secret_cli ),
-                                    mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdh_calc_secret returned %d\n",
-                        ret );
+    ret = mbedtls_ecdh_calc_secret(&ctx_cli, &cli_olen, secret_cli,
+                                   sizeof(secret_cli),
+                                   mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdh_calc_secret returned %d\n",
+                       ret);
         goto exit;
     }
 
-    ret = mbedtls_ecdh_calc_secret( &ctx_srv, &srv_olen, secret_srv,
-                                    sizeof( secret_srv ),
-                                    mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdh_calc_secret returned %d\n",
-                        ret );
+    ret = mbedtls_ecdh_calc_secret(&ctx_srv, &srv_olen, secret_srv,
+                                   sizeof(secret_srv),
+                                   mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdh_calc_secret returned %d\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * Verification: are the computed secrets equal?
      */
-    mbedtls_printf( "  . Check if both calculated secrets are equal..." );
-    fflush( stdout );
+    mbedtls_printf("  . Check if both calculated secrets are equal...");
+    fflush(stdout);
 
-    ret = memcmp( secret_srv, secret_cli, srv_olen );
-    if( ret != 0 || ( cli_olen != srv_olen ) )
-    {
-        mbedtls_printf( " failed\n  ! Shared secrets not equal.\n" );
+    ret = memcmp(secret_srv, secret_cli, srv_olen);
+    if (ret != 0 || (cli_olen != srv_olen)) {
+        mbedtls_printf(" failed\n  ! Shared secrets not equal.\n");
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_ecdh_free( &ctx_srv );
-    mbedtls_ecdh_free( &ctx_cli );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ecdh_free(&ctx_srv);
+    mbedtls_ecdh_free(&ctx_cli);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_ECDH_C && MBEDTLS_ECP_DP_CURVE25519_ENABLED &&
           MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/ecdsa.c b/programs/pkey/ecdsa.c
index 1035bb2..be2ca90 100644
--- a/programs/pkey/ecdsa.c
+++ b/programs/pkey/ecdsa.c
@@ -47,46 +47,46 @@
 
 #if !defined(MBEDTLS_ECDSA_C) || !defined(MBEDTLS_SHA256_C) || \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_ECDSA_C and/or MBEDTLS_SHA256_C and/or "
-           "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C not defined\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C not defined\n");
+    mbedtls_exit(0);
 }
 #else
 #if defined(VERBOSE)
-static void dump_buf( const char *title, unsigned char *buf, size_t len )
+static void dump_buf(const char *title, unsigned char *buf, size_t len)
 {
     size_t i;
 
-    mbedtls_printf( "%s", title );
-    for( i = 0; i < len; i++ )
+    mbedtls_printf("%s", title);
+    for (i = 0; i < len; i++) {
         mbedtls_printf("%c%c", "0123456789ABCDEF" [buf[i] / 16],
-                       "0123456789ABCDEF" [buf[i] % 16] );
-    mbedtls_printf( "\n" );
+                       "0123456789ABCDEF" [buf[i] % 16]);
+    }
+    mbedtls_printf("\n");
 }
 
-static void dump_pubkey( const char *title, mbedtls_ecdsa_context *key )
+static void dump_pubkey(const char *title, mbedtls_ecdsa_context *key)
 {
     unsigned char buf[300];
     size_t len;
 
-    if( mbedtls_ecp_point_write_binary( &key->MBEDTLS_PRIVATE(grp), &key->MBEDTLS_PRIVATE(Q),
-                MBEDTLS_ECP_PF_UNCOMPRESSED, &len, buf, sizeof buf ) != 0 )
-    {
+    if (mbedtls_ecp_point_write_binary(&key->MBEDTLS_PRIVATE(grp), &key->MBEDTLS_PRIVATE(Q),
+                                       MBEDTLS_ECP_PF_UNCOMPRESSED, &len, buf, sizeof buf) != 0) {
         mbedtls_printf("internal error\n");
         return;
     }
 
-    dump_buf( title, buf, len );
+    dump_buf(title, buf, len);
 }
 #else
-#define dump_buf( a, b, c )
-#define dump_pubkey( a, b )
+#define dump_buf(a, b, c)
+#define dump_pubkey(a, b)
 #endif
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -100,19 +100,18 @@
     const char *pers = "ecdsa";
     ((void) argv);
 
-    mbedtls_ecdsa_init( &ctx_sign );
-    mbedtls_ecdsa_init( &ctx_verify );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_ecdsa_init(&ctx_sign);
+    mbedtls_ecdsa_init(&ctx_verify);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    memset( sig, 0, sizeof( sig ) );
-    memset( message, 0x25, sizeof( message ) );
+    memset(sig, 0, sizeof(sig));
+    memset(message, 0x25, sizeof(message));
 
-    if( argc != 1 )
-    {
-        mbedtls_printf( "usage: ecdsa\n" );
+    if (argc != 1) {
+        mbedtls_printf("usage: ecdsa\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
@@ -121,65 +120,61 @@
     /*
      * Generate a key pair for signing
      */
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Generating key pair..." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Generating key pair...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ecdsa_genkey( &ctx_sign, ECPARAMS,
-                              mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdsa_genkey returned %d\n", ret );
+    if ((ret = mbedtls_ecdsa_genkey(&ctx_sign, ECPARAMS,
+                                    mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdsa_genkey returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (key size: %d bits)\n", (int) ctx_sign.MBEDTLS_PRIVATE(grp).pbits );
+    mbedtls_printf(" ok (key size: %d bits)\n", (int) ctx_sign.MBEDTLS_PRIVATE(grp).pbits);
 
-    dump_pubkey( "  + Public key: ", &ctx_sign );
+    dump_pubkey("  + Public key: ", &ctx_sign);
 
     /*
      * Compute message hash
      */
-    mbedtls_printf( "  . Computing message hash..." );
-    fflush( stdout );
+    mbedtls_printf("  . Computing message hash...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_sha256( message, sizeof( message ), hash, 0 ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_sha256 returned %d\n", ret );
+    if ((ret = mbedtls_sha256(message, sizeof(message), hash, 0)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_sha256 returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-    dump_buf( "  + Hash: ", hash, sizeof( hash ) );
+    dump_buf("  + Hash: ", hash, sizeof(hash));
 
     /*
      * Sign message hash
      */
-    mbedtls_printf( "  . Signing message hash..." );
-    fflush( stdout );
+    mbedtls_printf("  . Signing message hash...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ecdsa_write_signature( &ctx_sign, MBEDTLS_MD_SHA256,
-                                       hash, sizeof( hash ),
-                                       sig, sizeof( sig ), &sig_len,
-                                       mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdsa_write_signature returned %d\n", ret );
+    if ((ret = mbedtls_ecdsa_write_signature(&ctx_sign, MBEDTLS_MD_SHA256,
+                                             hash, sizeof(hash),
+                                             sig, sizeof(sig), &sig_len,
+                                             mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdsa_write_signature returned %d\n", ret);
         goto exit;
     }
-    mbedtls_printf( " ok (signature length = %u)\n", (unsigned int) sig_len );
+    mbedtls_printf(" ok (signature length = %u)\n", (unsigned int) sig_len);
 
-    dump_buf( "  + Signature: ", sig, sig_len );
+    dump_buf("  + Signature: ", sig, sig_len);
 
     /*
      * Transfer public information to verifying context
@@ -188,47 +183,47 @@
      * chose to use a new one in order to make it clear that the verifying
      * context only needs the public key (Q), and not the private key (d).
      */
-    mbedtls_printf( "  . Preparing verification context..." );
-    fflush( stdout );
+    mbedtls_printf("  . Preparing verification context...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ecp_group_copy( &ctx_verify.MBEDTLS_PRIVATE(grp), &ctx_sign.MBEDTLS_PRIVATE(grp) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecp_group_copy returned %d\n", ret );
+    if ((ret =
+             mbedtls_ecp_group_copy(&ctx_verify.MBEDTLS_PRIVATE(grp),
+                                    &ctx_sign.MBEDTLS_PRIVATE(grp))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecp_group_copy returned %d\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ecp_copy( &ctx_verify.MBEDTLS_PRIVATE(Q), &ctx_sign.MBEDTLS_PRIVATE(Q) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecp_copy returned %d\n", ret );
+    if ((ret =
+             mbedtls_ecp_copy(&ctx_verify.MBEDTLS_PRIVATE(Q), &ctx_sign.MBEDTLS_PRIVATE(Q))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecp_copy returned %d\n", ret);
         goto exit;
     }
 
     /*
      * Verify signature
      */
-    mbedtls_printf( " ok\n  . Verifying signature..." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Verifying signature...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ecdsa_read_signature( &ctx_verify,
-                                      hash, sizeof( hash ),
-                                      sig, sig_len ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ecdsa_read_signature returned %d\n", ret );
+    if ((ret = mbedtls_ecdsa_read_signature(&ctx_verify,
+                                            hash, sizeof(hash),
+                                            sig, sig_len)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ecdsa_read_signature returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_ecdsa_free( &ctx_verify );
-    mbedtls_ecdsa_free( &ctx_sign );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ecdsa_free(&ctx_verify);
+    mbedtls_ecdsa_free(&ctx_sign);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_ECDSA_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
           ECPARAMS */
diff --git a/programs/pkey/gen_key.c b/programs/pkey/gen_key.c
index 9e5329f..85ee435 100644
--- a/programs/pkey/gen_key.c
+++ b/programs/pkey/gen_key.c
@@ -40,8 +40,8 @@
 
 #define DEV_RANDOM_THRESHOLD        32
 
-int dev_random_entropy_poll( void *data, unsigned char *output,
-                             size_t len, size_t *olen )
+int dev_random_entropy_poll(void *data, unsigned char *output,
+                            size_t len, size_t *olen)
 {
     FILE *file;
     size_t ret, left = len;
@@ -50,28 +50,27 @@
 
     *olen = 0;
 
-    file = fopen( "/dev/random", "rb" );
-    if( file == NULL )
-        return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
+    file = fopen("/dev/random", "rb");
+    if (file == NULL) {
+        return MBEDTLS_ERR_ENTROPY_SOURCE_FAILED;
+    }
 
-    while( left > 0 )
-    {
+    while (left > 0) {
         /* /dev/random can return much less than requested. If so, try again */
-        ret = fread( p, 1, left, file );
-        if( ret == 0 && ferror( file ) )
-        {
-            fclose( file );
-            return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
+        ret = fread(p, 1, left, file);
+        if (ret == 0 && ferror(file)) {
+            fclose(file);
+            return MBEDTLS_ERR_ENTROPY_SOURCE_FAILED;
         }
 
         p += ret;
         left -= ret;
-        sleep( 1 );
+        sleep(1);
     }
-    fclose( file );
+    fclose(file);
     *olen = len;
 
-    return( 0 );
+    return 0;
 }
 #endif /* !_WIN32 */
 #endif
@@ -112,13 +111,13 @@
 #if !defined(MBEDTLS_PK_WRITE_C) || !defined(MBEDTLS_PEM_WRITE_C) || \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_ENTROPY_C) || \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_PK_WRITE_C and/or MBEDTLS_FS_IO and/or "
-            "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
-            "MBEDTLS_PEM_WRITE_C"
-            "not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_PK_WRITE_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+                   "MBEDTLS_PEM_WRITE_C"
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -126,8 +125,7 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     int type;                   /* the type of key to generate          */
     int rsa_keysize;            /* length of key in bits                */
     int ec_curve;               /* curve identifier for EC keys         */
@@ -136,7 +134,7 @@
     int use_dev_random;         /* use /dev/random as entropy source    */
 } opt;
 
-static int write_private_key( mbedtls_pk_context *key, const char *output_file )
+static int write_private_key(mbedtls_pk_context *key, const char *output_file)
 {
     int ret;
     FILE *f;
@@ -145,37 +143,36 @@
     size_t len = 0;
 
     memset(output_buf, 0, 16000);
-    if( opt.format == FORMAT_PEM )
-    {
-        if( ( ret = mbedtls_pk_write_key_pem( key, output_buf, 16000 ) ) != 0 )
-            return( ret );
+    if (opt.format == FORMAT_PEM) {
+        if ((ret = mbedtls_pk_write_key_pem(key, output_buf, 16000)) != 0) {
+            return ret;
+        }
 
-        len = strlen( (char *) output_buf );
-    }
-    else
-    {
-        if( ( ret = mbedtls_pk_write_key_der( key, output_buf, 16000 ) ) < 0 )
-            return( ret );
+        len = strlen((char *) output_buf);
+    } else {
+        if ((ret = mbedtls_pk_write_key_der(key, output_buf, 16000)) < 0) {
+            return ret;
+        }
 
         len = ret;
         c = output_buf + sizeof(output_buf) - len;
     }
 
-    if( ( f = fopen( output_file, "wb" ) ) == NULL )
-        return( -1 );
-
-    if( fwrite( c, 1, len, f ) != len )
-    {
-        fclose( f );
-        return( -1 );
+    if ((f = fopen(output_file, "wb")) == NULL) {
+        return -1;
     }
 
-    fclose( f );
+    if (fwrite(c, 1, len, f) != len) {
+        fclose(f);
+        return -1;
+    }
 
-    return( 0 );
+    fclose(f);
+
+    return 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -195,24 +192,24 @@
      * Set to sane values
      */
 
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-    mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+    mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-    mbedtls_pk_init( &key );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    memset( buf, 0, sizeof( buf ) );
+    mbedtls_pk_init(&key);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    memset(buf, 0, sizeof(buf));
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
 #if defined(MBEDTLS_ECP_C)
-        mbedtls_printf( " available ec_curve values:\n" );
+        mbedtls_printf(" available ec_curve values:\n");
         curve_info = mbedtls_ecp_curve_list();
-        mbedtls_printf( "    %s (default)\n", curve_info->name );
-        while( ( ++curve_info )->name != NULL )
-            mbedtls_printf( "    %s\n", curve_info->name );
+        mbedtls_printf("    %s (default)\n", curve_info->name);
+        while ((++curve_info)->name != NULL) {
+            mbedtls_printf("    %s\n", curve_info->name);
+        }
 #endif /* MBEDTLS_ECP_C */
         goto exit;
     }
@@ -224,209 +221,194 @@
     opt.format              = DFL_FORMAT;
     opt.use_dev_random      = DFL_USE_DEV_RANDOM;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "type" ) == 0 )
-        {
-            if( strcmp( q, "rsa" ) == 0 )
+        if (strcmp(p, "type") == 0) {
+            if (strcmp(q, "rsa") == 0) {
                 opt.type = MBEDTLS_PK_RSA;
-            else if( strcmp( q, "ec" ) == 0 )
+            } else if (strcmp(q, "ec") == 0) {
                 opt.type = MBEDTLS_PK_ECKEY;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "format" ) == 0 )
-        {
-            if( strcmp( q, "pem" ) == 0 )
+            }
+        } else if (strcmp(p, "format") == 0) {
+            if (strcmp(q, "pem") == 0) {
                 opt.format = FORMAT_PEM;
-            else if( strcmp( q, "der" ) == 0 )
+            } else if (strcmp(q, "der") == 0) {
                 opt.format = FORMAT_DER;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "rsa_keysize" ) == 0 )
-        {
-            opt.rsa_keysize = atoi( q );
-            if( opt.rsa_keysize < 1024 ||
-                opt.rsa_keysize > MBEDTLS_MPI_MAX_BITS )
+            }
+        } else if (strcmp(p, "rsa_keysize") == 0) {
+            opt.rsa_keysize = atoi(q);
+            if (opt.rsa_keysize < 1024 ||
+                opt.rsa_keysize > MBEDTLS_MPI_MAX_BITS) {
                 goto usage;
+            }
         }
 #if defined(MBEDTLS_ECP_C)
-        else if( strcmp( p, "ec_curve" ) == 0 )
-        {
-            if( ( curve_info = mbedtls_ecp_curve_info_from_name( q ) ) == NULL )
+        else if (strcmp(p, "ec_curve") == 0) {
+            if ((curve_info = mbedtls_ecp_curve_info_from_name(q)) == NULL) {
                 goto usage;
+            }
             opt.ec_curve = curve_info->grp_id;
         }
 #endif
-        else if( strcmp( p, "filename" ) == 0 )
+        else if (strcmp(p, "filename") == 0) {
             opt.filename = q;
-        else if( strcmp( p, "use_dev_random" ) == 0 )
-        {
-            opt.use_dev_random = atoi( q );
-            if( opt.use_dev_random < 0 || opt.use_dev_random > 1 )
+        } else if (strcmp(p, "use_dev_random") == 0) {
+            opt.use_dev_random = atoi(q);
+            if (opt.use_dev_random < 0 || opt.use_dev_random > 1) {
                 goto usage;
-        }
-        else
+            }
+        } else {
             goto usage;
+        }
     }
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
+    mbedtls_entropy_init(&entropy);
 #if !defined(_WIN32) && defined(MBEDTLS_FS_IO)
-    if( opt.use_dev_random )
-    {
-        if( ( ret = mbedtls_entropy_add_source( &entropy, dev_random_entropy_poll,
-                                        NULL, DEV_RANDOM_THRESHOLD,
-                                        MBEDTLS_ENTROPY_SOURCE_STRONG ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_entropy_add_source returned -0x%04x\n", (unsigned int) -ret );
+    if (opt.use_dev_random) {
+        if ((ret = mbedtls_entropy_add_source(&entropy, dev_random_entropy_poll,
+                                              NULL, DEV_RANDOM_THRESHOLD,
+                                              MBEDTLS_ENTROPY_SOURCE_STRONG)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_entropy_add_source returned -0x%04x\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        mbedtls_printf("\n    Using /dev/random, so can take a long time! " );
-        fflush( stdout );
+        mbedtls_printf("\n    Using /dev/random, so can take a long time! ");
+        fflush(stdout);
     }
 #endif /* !_WIN32 && MBEDTLS_FS_IO */
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned -0x%04x\n", (unsigned int) -ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
     /*
      * 1.1. Generate the key
      */
-    mbedtls_printf( "\n  . Generating the private key ..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Generating the private key ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_setup( &key,
-            mbedtls_pk_info_from_type( (mbedtls_pk_type_t) opt.type ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_setup returned -0x%04x", (unsigned int) -ret );
+    if ((ret = mbedtls_pk_setup(&key,
+                                mbedtls_pk_info_from_type((mbedtls_pk_type_t) opt.type))) != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_setup returned -0x%04x", (unsigned int) -ret);
         goto exit;
     }
 
 #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME)
-    if( opt.type == MBEDTLS_PK_RSA )
-    {
-        ret = mbedtls_rsa_gen_key( mbedtls_pk_rsa( key ), mbedtls_ctr_drbg_random, &ctr_drbg,
-                                   opt.rsa_keysize, 65537 );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_rsa_gen_key returned -0x%04x", (unsigned int) -ret );
+    if (opt.type == MBEDTLS_PK_RSA) {
+        ret = mbedtls_rsa_gen_key(mbedtls_pk_rsa(key), mbedtls_ctr_drbg_random, &ctr_drbg,
+                                  opt.rsa_keysize, 65537);
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_rsa_gen_key returned -0x%04x",
+                           (unsigned int) -ret);
             goto exit;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_RSA_C */
 #if defined(MBEDTLS_ECP_C)
-    if( opt.type == MBEDTLS_PK_ECKEY )
-    {
-        ret = mbedtls_ecp_gen_key( (mbedtls_ecp_group_id) opt.ec_curve,
-                                   mbedtls_pk_ec( key ),
-                                   mbedtls_ctr_drbg_random, &ctr_drbg );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_ecp_gen_key returned -0x%04x", (unsigned int) -ret );
+    if (opt.type == MBEDTLS_PK_ECKEY) {
+        ret = mbedtls_ecp_gen_key((mbedtls_ecp_group_id) opt.ec_curve,
+                                  mbedtls_pk_ec(key),
+                                  mbedtls_ctr_drbg_random, &ctr_drbg);
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_ecp_gen_key returned -0x%04x",
+                           (unsigned int) -ret);
             goto exit;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_ECP_C */
     {
-        mbedtls_printf( " failed\n  !  key type not supported\n" );
+        mbedtls_printf(" failed\n  !  key type not supported\n");
         goto exit;
     }
 
     /*
      * 1.2 Print the key
      */
-    mbedtls_printf( " ok\n  . Key information:\n" );
+    mbedtls_printf(" ok\n  . Key information:\n");
 
 #if defined(MBEDTLS_RSA_C)
-    if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_RSA )
-    {
-        mbedtls_rsa_context *rsa = mbedtls_pk_rsa( key );
+    if (mbedtls_pk_get_type(&key) == MBEDTLS_PK_RSA) {
+        mbedtls_rsa_context *rsa = mbedtls_pk_rsa(key);
 
-        if( ( ret = mbedtls_rsa_export    ( rsa, &N, &P, &Q, &D, &E ) ) != 0 ||
-            ( ret = mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) )      != 0 )
-        {
-            mbedtls_printf( " failed\n  ! could not export RSA parameters\n\n" );
+        if ((ret = mbedtls_rsa_export(rsa, &N, &P, &Q, &D, &E)) != 0 ||
+            (ret = mbedtls_rsa_export_crt(rsa, &DP, &DQ, &QP))      != 0) {
+            mbedtls_printf(" failed\n  ! could not export RSA parameters\n\n");
             goto exit;
         }
 
-        mbedtls_mpi_write_file( "N:  ",  &N,  16, NULL );
-        mbedtls_mpi_write_file( "E:  ",  &E,  16, NULL );
-        mbedtls_mpi_write_file( "D:  ",  &D,  16, NULL );
-        mbedtls_mpi_write_file( "P:  ",  &P,  16, NULL );
-        mbedtls_mpi_write_file( "Q:  ",  &Q,  16, NULL );
-        mbedtls_mpi_write_file( "DP: ",  &DP, 16, NULL );
-        mbedtls_mpi_write_file( "DQ:  ", &DQ, 16, NULL );
-        mbedtls_mpi_write_file( "QP:  ", &QP, 16, NULL );
-    }
-    else
+        mbedtls_mpi_write_file("N:  ",  &N,  16, NULL);
+        mbedtls_mpi_write_file("E:  ",  &E,  16, NULL);
+        mbedtls_mpi_write_file("D:  ",  &D,  16, NULL);
+        mbedtls_mpi_write_file("P:  ",  &P,  16, NULL);
+        mbedtls_mpi_write_file("Q:  ",  &Q,  16, NULL);
+        mbedtls_mpi_write_file("DP: ",  &DP, 16, NULL);
+        mbedtls_mpi_write_file("DQ:  ", &DQ, 16, NULL);
+        mbedtls_mpi_write_file("QP:  ", &QP, 16, NULL);
+    } else
 #endif
 #if defined(MBEDTLS_ECP_C)
-    if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_ECKEY )
-    {
-        mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( key );
-        mbedtls_printf( "curve: %s\n",
-                mbedtls_ecp_curve_info_from_grp_id( ecp->MBEDTLS_PRIVATE(grp).id )->name );
-        mbedtls_mpi_write_file( "X_Q:   ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16, NULL );
-        mbedtls_mpi_write_file( "Y_Q:   ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16, NULL );
-        mbedtls_mpi_write_file( "D:     ", &ecp->MBEDTLS_PRIVATE(d)  , 16, NULL );
-    }
-    else
+    if (mbedtls_pk_get_type(&key) == MBEDTLS_PK_ECKEY) {
+        mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(key);
+        mbedtls_printf("curve: %s\n",
+                       mbedtls_ecp_curve_info_from_grp_id(ecp->MBEDTLS_PRIVATE(grp).id)->name);
+        mbedtls_mpi_write_file("X_Q:   ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16, NULL);
+        mbedtls_mpi_write_file("Y_Q:   ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16, NULL);
+        mbedtls_mpi_write_file("D:     ", &ecp->MBEDTLS_PRIVATE(d), 16, NULL);
+    } else
 #endif
-        mbedtls_printf("  ! key type not supported\n");
+    mbedtls_printf("  ! key type not supported\n");
 
     /*
      * 1.3 Export key
      */
-    mbedtls_printf( "  . Writing key to file..." );
+    mbedtls_printf("  . Writing key to file...");
 
-    if( ( ret = write_private_key( &key, opt.filename ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n" );
+    if ((ret = write_private_key(&key, opt.filename)) != 0) {
+        mbedtls_printf(" failed\n");
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
 #ifdef MBEDTLS_ERROR_C
-        mbedtls_strerror( ret, buf, sizeof( buf ) );
-        mbedtls_printf( " - %s\n", buf );
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" - %s\n", buf);
 #else
         mbedtls_printf("\n");
 #endif
     }
 
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-    mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+    mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
 
-    mbedtls_pk_free( &key );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_pk_free(&key);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_PK_WRITE_C && MBEDTLS_PEM_WRITE_C && MBEDTLS_FS_IO &&
         * MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/key_app.c b/programs/pkey/key_app.c
index 02a19e9..8ed88da 100644
--- a/programs/pkey/key_app.c
+++ b/programs/pkey/key_app.c
@@ -55,12 +55,12 @@
 #if !defined(MBEDTLS_BIGNUM_C) ||                                  \
     !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or "
-           "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -68,15 +68,14 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     int mode;                   /* the mode to run the application in   */
     const char *filename;       /* filename of the key file             */
     const char *password;       /* password for the private key         */
     const char *password_file;  /* password_file for the private key    */
 } opt;
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -94,20 +93,19 @@
     /*
      * Set to sane values
      */
-    mbedtls_entropy_init( &entropy );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    mbedtls_pk_init( &pk );
-    memset( buf, 0, sizeof(buf) );
+    mbedtls_pk_init(&pk);
+    memset(buf, 0, sizeof(buf));
 
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-    mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+    mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto cleanup;
     }
 
@@ -116,206 +114,204 @@
     opt.password            = DFL_PASSWORD;
     opt.password_file       = DFL_PASSWORD_FILE;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "mode" ) == 0 )
-        {
-            if( strcmp( q, "private" ) == 0 )
+        if (strcmp(p, "mode") == 0) {
+            if (strcmp(q, "private") == 0) {
                 opt.mode = MODE_PRIVATE;
-            else if( strcmp( q, "public" ) == 0 )
+            } else if (strcmp(q, "public") == 0) {
                 opt.mode = MODE_PUBLIC;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "filename" ) == 0 )
+            }
+        } else if (strcmp(p, "filename") == 0) {
             opt.filename = q;
-        else if( strcmp( p, "password" ) == 0 )
+        } else if (strcmp(p, "password") == 0) {
             opt.password = q;
-        else if( strcmp( p, "password_file" ) == 0 )
+        } else if (strcmp(p, "password_file") == 0) {
             opt.password_file = q;
-        else
+        } else {
             goto usage;
+        }
     }
 
-    if( opt.mode == MODE_PRIVATE )
-    {
-        if( strlen( opt.password ) && strlen( opt.password_file ) )
-        {
-            mbedtls_printf( "Error: cannot have both password and password_file\n" );
+    if (opt.mode == MODE_PRIVATE) {
+        if (strlen(opt.password) && strlen(opt.password_file)) {
+            mbedtls_printf("Error: cannot have both password and password_file\n");
             goto usage;
         }
 
-        if( strlen( opt.password_file ) )
-        {
+        if (strlen(opt.password_file)) {
             FILE *f;
 
-            mbedtls_printf( "\n  . Loading the password file ..." );
-            if( ( f = fopen( opt.password_file, "rb" ) ) == NULL )
-            {
-                mbedtls_printf( " failed\n  !  fopen returned NULL\n" );
+            mbedtls_printf("\n  . Loading the password file ...");
+            if ((f = fopen(opt.password_file, "rb")) == NULL) {
+                mbedtls_printf(" failed\n  !  fopen returned NULL\n");
                 goto cleanup;
             }
-            if( fgets( buf, sizeof(buf), f ) == NULL )
-            {
-                fclose( f );
-                mbedtls_printf( "Error: fgets() failed to retrieve password\n" );
+            if (fgets(buf, sizeof(buf), f) == NULL) {
+                fclose(f);
+                mbedtls_printf("Error: fgets() failed to retrieve password\n");
                 goto cleanup;
             }
-            fclose( f );
+            fclose(f);
 
-            i = (int) strlen( buf );
-            if( buf[i - 1] == '\n' ) buf[i - 1] = '\0';
-            if( buf[i - 2] == '\r' ) buf[i - 2] = '\0';
+            i = (int) strlen(buf);
+            if (buf[i - 1] == '\n') {
+                buf[i - 1] = '\0';
+            }
+            if (buf[i - 2] == '\r') {
+                buf[i - 2] = '\0';
+            }
             opt.password = buf;
         }
 
         /*
          * 1.1. Load the key
          */
-        mbedtls_printf( "\n  . Loading the private key ..." );
-        fflush( stdout );
+        mbedtls_printf("\n  . Loading the private key ...");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                                   (const unsigned char *) pers,
-                                   strlen( pers ) ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_ctr_drbg_seed returned -0x%04x\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                         (const unsigned char *) pers,
+                                         strlen(pers))) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                           (unsigned int) -ret);
             goto cleanup;
         }
 
-        ret = mbedtls_pk_parse_keyfile( &pk, opt.filename, opt.password,
-                                        mbedtls_ctr_drbg_random, &ctr_drbg );
+        ret = mbedtls_pk_parse_keyfile(&pk, opt.filename, opt.password,
+                                       mbedtls_ctr_drbg_random, &ctr_drbg);
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile returned -0x%04x\n", (unsigned int) -ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_pk_parse_keyfile returned -0x%04x\n",
+                           (unsigned int) -ret);
             goto cleanup;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /*
          * 1.2 Print the key
          */
-        mbedtls_printf( "  . Key information    ...\n" );
+        mbedtls_printf("  . Key information    ...\n");
 #if defined(MBEDTLS_RSA_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_RSA )
-        {
-            mbedtls_rsa_context *rsa = mbedtls_pk_rsa( pk );
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_RSA) {
+            mbedtls_rsa_context *rsa = mbedtls_pk_rsa(pk);
 
-            if( ( ret = mbedtls_rsa_export    ( rsa, &N, &P, &Q, &D, &E ) ) != 0 ||
-                ( ret = mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) )      != 0 )
-            {
-                mbedtls_printf( " failed\n  ! could not export RSA parameters\n\n" );
+            if ((ret = mbedtls_rsa_export(rsa, &N, &P, &Q, &D, &E)) != 0 ||
+                (ret = mbedtls_rsa_export_crt(rsa, &DP, &DQ, &QP))      != 0) {
+                mbedtls_printf(" failed\n  ! could not export RSA parameters\n\n");
                 goto cleanup;
             }
 
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "N:  ", &N, 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "E:  ", &E, 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "D:  ", &D, 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "P:  ", &P, 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q:  ", &Q, 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "DP: ", &DP, 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "DQ:  ", &DQ, 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "QP:  ", &QP, 16, NULL ) );
-        }
-        else
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("N:  ", &N, 16, NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("E:  ", &E, 16, NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("D:  ", &D, 16, NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("P:  ", &P, 16, NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("Q:  ", &Q, 16, NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("DP: ", &DP, 16, NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("DQ:  ", &DQ, 16, NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("QP:  ", &QP, 16, NULL));
+        } else
 #endif
 #if defined(MBEDTLS_ECP_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY )
-        {
-            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(X): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Y): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Z): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Z), 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "D   : ", &ecp->MBEDTLS_PRIVATE(d)  , 16, NULL ) );
-        }
-        else
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY) {
+            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(pk);
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("Q(X): ",
+                                                   &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16,
+                                                   NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("Q(Y): ",
+                                                   &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16,
+                                                   NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("Q(Z): ",
+                                                   &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Z), 16,
+                                                   NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("D   : ", &ecp->MBEDTLS_PRIVATE(d), 16, NULL));
+        } else
 #endif
         {
-            mbedtls_printf("Do not know how to print key information for this type\n" );
+            mbedtls_printf("Do not know how to print key information for this type\n");
             goto cleanup;
         }
-    }
-    else if( opt.mode == MODE_PUBLIC )
-    {
+    } else if (opt.mode == MODE_PUBLIC) {
         /*
          * 1.1. Load the key
          */
-        mbedtls_printf( "\n  . Loading the public key ..." );
-        fflush( stdout );
+        mbedtls_printf("\n  . Loading the public key ...");
+        fflush(stdout);
 
-        ret = mbedtls_pk_parse_public_keyfile( &pk, opt.filename );
+        ret = mbedtls_pk_parse_public_keyfile(&pk, opt.filename);
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_public_keyfile returned -0x%04x\n", (unsigned int) -ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_pk_parse_public_keyfile returned -0x%04x\n",
+                           (unsigned int) -ret);
             goto cleanup;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  . Key information    ...\n" );
+        mbedtls_printf("  . Key information    ...\n");
 #if defined(MBEDTLS_RSA_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_RSA )
-        {
-            mbedtls_rsa_context *rsa = mbedtls_pk_rsa( pk );
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_RSA) {
+            mbedtls_rsa_context *rsa = mbedtls_pk_rsa(pk);
 
-            if( ( ret = mbedtls_rsa_export( rsa, &N, NULL, NULL,
-                                            NULL, &E ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! could not export RSA parameters\n\n" );
+            if ((ret = mbedtls_rsa_export(rsa, &N, NULL, NULL,
+                                          NULL, &E)) != 0) {
+                mbedtls_printf(" failed\n  ! could not export RSA parameters\n\n");
                 goto cleanup;
             }
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "N:  ", &N, 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "E:  ", &E, 16, NULL ) );
-        }
-        else
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("N:  ", &N, 16, NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("E:  ", &E, 16, NULL));
+        } else
 #endif
 #if defined(MBEDTLS_ECP_C)
-        if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY )
-        {
-            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(X): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Y): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16, NULL ) );
-            MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "Q(Z): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Z), 16, NULL ) );
-        }
-        else
+        if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY) {
+            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(pk);
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("Q(X): ",
+                                                   &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16,
+                                                   NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("Q(Y): ",
+                                                   &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16,
+                                                   NULL));
+            MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("Q(Z): ",
+                                                   &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Z), 16,
+                                                   NULL));
+        } else
 #endif
         {
-            mbedtls_printf("Do not know how to print key information for this type\n" );
+            mbedtls_printf("Do not know how to print key information for this type\n");
             goto cleanup;
         }
-    }
-    else
+    } else {
         goto usage;
+    }
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 cleanup:
 
 #if defined(MBEDTLS_ERROR_C)
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
-        mbedtls_strerror( ret, buf, sizeof( buf ) );
-        mbedtls_printf( "  !  Last error was: %s\n", buf );
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf("  !  Last error was: %s\n", buf);
     }
 #endif
 
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_pk_free( &pk );
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-    mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
+    mbedtls_pk_free(&pk);
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+    mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
           MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/key_app_writer.c b/programs/pkey/key_app_writer.c
index 589bee9..2dbb79e 100644
--- a/programs/pkey/key_app_writer.c
+++ b/programs/pkey/key_app_writer.c
@@ -83,12 +83,12 @@
     !defined(MBEDTLS_FS_IO)      || \
     !defined(MBEDTLS_ENTROPY_C)  || \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_PK_PARSE_C and/or MBEDTLS_PK_WRITE_C and/or "
-                    "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
-                    "MBEDTLS_FS_IO not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_PK_PARSE_C and/or MBEDTLS_PK_WRITE_C and/or "
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+                   "MBEDTLS_FS_IO not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -96,8 +96,7 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     int mode;                   /* the mode to run the application in   */
     const char *filename;       /* filename of the key file             */
     int output_mode;            /* the output mode to use               */
@@ -105,7 +104,7 @@
     int output_format;          /* the output format to use             */
 } opt;
 
-static int write_public_key( mbedtls_pk_context *key, const char *output_file )
+static int write_public_key(mbedtls_pk_context *key, const char *output_file)
 {
     int ret;
     FILE *f;
@@ -116,38 +115,38 @@
     memset(output_buf, 0, 16000);
 
 #if defined(MBEDTLS_PEM_WRITE_C)
-    if( opt.output_format == OUTPUT_FORMAT_PEM )
-    {
-        if( ( ret = mbedtls_pk_write_pubkey_pem( key, output_buf, 16000 ) ) != 0 )
-            return( ret );
+    if (opt.output_format == OUTPUT_FORMAT_PEM) {
+        if ((ret = mbedtls_pk_write_pubkey_pem(key, output_buf, 16000)) != 0) {
+            return ret;
+        }
 
-        len = strlen( (char *) output_buf );
-    }
-    else
+        len = strlen((char *) output_buf);
+    } else
 #endif
     {
-        if( ( ret = mbedtls_pk_write_pubkey_der( key, output_buf, 16000 ) ) < 0 )
-            return( ret );
+        if ((ret = mbedtls_pk_write_pubkey_der(key, output_buf, 16000)) < 0) {
+            return ret;
+        }
 
         len = ret;
         c = output_buf + sizeof(output_buf) - len;
     }
 
-    if( ( f = fopen( output_file, "w" ) ) == NULL )
-        return( -1 );
-
-    if( fwrite( c, 1, len, f ) != len )
-    {
-        fclose( f );
-        return( -1 );
+    if ((f = fopen(output_file, "w")) == NULL) {
+        return -1;
     }
 
-    fclose( f );
+    if (fwrite(c, 1, len, f) != len) {
+        fclose(f);
+        return -1;
+    }
 
-    return( 0 );
+    fclose(f);
+
+    return 0;
 }
 
-static int write_private_key( mbedtls_pk_context *key, const char *output_file )
+static int write_private_key(mbedtls_pk_context *key, const char *output_file)
 {
     int ret;
     FILE *f;
@@ -158,38 +157,38 @@
     memset(output_buf, 0, 16000);
 
 #if defined(MBEDTLS_PEM_WRITE_C)
-    if( opt.output_format == OUTPUT_FORMAT_PEM )
-    {
-        if( ( ret = mbedtls_pk_write_key_pem( key, output_buf, 16000 ) ) != 0 )
-            return( ret );
+    if (opt.output_format == OUTPUT_FORMAT_PEM) {
+        if ((ret = mbedtls_pk_write_key_pem(key, output_buf, 16000)) != 0) {
+            return ret;
+        }
 
-        len = strlen( (char *) output_buf );
-    }
-    else
+        len = strlen((char *) output_buf);
+    } else
 #endif
     {
-        if( ( ret = mbedtls_pk_write_key_der( key, output_buf, 16000 ) ) < 0 )
-            return( ret );
+        if ((ret = mbedtls_pk_write_key_der(key, output_buf, 16000)) < 0) {
+            return ret;
+        }
 
         len = ret;
         c = output_buf + sizeof(output_buf) - len;
     }
 
-    if( ( f = fopen( output_file, "w" ) ) == NULL )
-        return( -1 );
-
-    if( fwrite( c, 1, len, f ) != len )
-    {
-        fclose( f );
-        return( -1 );
+    if ((f = fopen(output_file, "w")) == NULL) {
+        return -1;
     }
 
-    fclose( f );
+    if (fwrite(c, 1, len, f) != len) {
+        fclose(f);
+        return -1;
+    }
 
-    return( 0 );
+    fclose(f);
+
+    return 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -209,22 +208,21 @@
     /*
      * Set to sane values
      */
-    mbedtls_entropy_init( &entropy );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    mbedtls_pk_init( &key );
+    mbedtls_pk_init(&key);
 #if defined(MBEDTLS_ERROR_C)
-    memset( buf, 0, sizeof( buf ) );
+    memset(buf, 0, sizeof(buf));
 #endif
 
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-    mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+    mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
@@ -234,218 +232,198 @@
     opt.output_file         = DFL_OUTPUT_FILENAME;
     opt.output_format       = DFL_OUTPUT_FORMAT;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "mode" ) == 0 )
-        {
-            if( strcmp( q, "private" ) == 0 )
+        if (strcmp(p, "mode") == 0) {
+            if (strcmp(q, "private") == 0) {
                 opt.mode = MODE_PRIVATE;
-            else if( strcmp( q, "public" ) == 0 )
+            } else if (strcmp(q, "public") == 0) {
                 opt.mode = MODE_PUBLIC;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "output_mode" ) == 0 )
-        {
-            if( strcmp( q, "private" ) == 0 )
+            }
+        } else if (strcmp(p, "output_mode") == 0) {
+            if (strcmp(q, "private") == 0) {
                 opt.output_mode = OUTPUT_MODE_PRIVATE;
-            else if( strcmp( q, "public" ) == 0 )
+            } else if (strcmp(q, "public") == 0) {
                 opt.output_mode = OUTPUT_MODE_PUBLIC;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "output_format" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "output_format") == 0) {
 #if defined(MBEDTLS_PEM_WRITE_C)
-            if( strcmp( q, "pem" ) == 0 )
+            if (strcmp(q, "pem") == 0) {
                 opt.output_format = OUTPUT_FORMAT_PEM;
-            else
+            } else
 #endif
-            if( strcmp( q, "der" ) == 0 )
+            if (strcmp(q, "der") == 0) {
                 opt.output_format = OUTPUT_FORMAT_DER;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "filename" ) == 0 )
+            }
+        } else if (strcmp(p, "filename") == 0) {
             opt.filename = q;
-        else if( strcmp( p, "output_file" ) == 0 )
+        } else if (strcmp(p, "output_file") == 0) {
             opt.output_file = q;
-        else
+        } else {
             goto usage;
+        }
     }
 
-    if( opt.mode == MODE_NONE && opt.output_mode != OUTPUT_MODE_NONE )
-    {
-        mbedtls_printf( "\nCannot output a key without reading one.\n");
+    if (opt.mode == MODE_NONE && opt.output_mode != OUTPUT_MODE_NONE) {
+        mbedtls_printf("\nCannot output a key without reading one.\n");
         goto exit;
     }
 
-    if( opt.mode == MODE_PUBLIC && opt.output_mode == OUTPUT_MODE_PRIVATE )
-    {
-        mbedtls_printf( "\nCannot output a private key from a public key.\n");
+    if (opt.mode == MODE_PUBLIC && opt.output_mode == OUTPUT_MODE_PRIVATE) {
+        mbedtls_printf("\nCannot output a private key from a public key.\n");
         goto exit;
     }
 
-    if( opt.mode == MODE_PRIVATE )
-    {
+    if (opt.mode == MODE_PRIVATE) {
         /*
          * 1.1. Load the key
          */
-        mbedtls_printf( "\n  . Loading the private key ..." );
-        fflush( stdout );
+        mbedtls_printf("\n  . Loading the private key ...");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                                   (const unsigned char *) pers,
-                                   strlen( pers ) ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_ctr_drbg_seed returned -0x%04x\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                         (const unsigned char *) pers,
+                                         strlen(pers))) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        ret = mbedtls_pk_parse_keyfile( &key, opt.filename, NULL,
-                                        mbedtls_ctr_drbg_random, &ctr_drbg );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile returned -0x%04x", (unsigned int) -ret );
+        ret = mbedtls_pk_parse_keyfile(&key, opt.filename, NULL,
+                                       mbedtls_ctr_drbg_random, &ctr_drbg);
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_pk_parse_keyfile returned -0x%04x",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /*
          * 1.2 Print the key
          */
-        mbedtls_printf( "  . Key information    ...\n" );
+        mbedtls_printf("  . Key information    ...\n");
 
 #if defined(MBEDTLS_RSA_C)
-        if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_RSA )
-        {
-            mbedtls_rsa_context *rsa = mbedtls_pk_rsa( key );
+        if (mbedtls_pk_get_type(&key) == MBEDTLS_PK_RSA) {
+            mbedtls_rsa_context *rsa = mbedtls_pk_rsa(key);
 
-            if( ( ret = mbedtls_rsa_export    ( rsa, &N, &P, &Q, &D, &E ) ) != 0 ||
-                ( ret = mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) )      != 0 )
-            {
-                mbedtls_printf( " failed\n  ! could not export RSA parameters\n\n" );
+            if ((ret = mbedtls_rsa_export(rsa, &N, &P, &Q, &D, &E)) != 0 ||
+                (ret = mbedtls_rsa_export_crt(rsa, &DP, &DQ, &QP))      != 0) {
+                mbedtls_printf(" failed\n  ! could not export RSA parameters\n\n");
                 goto exit;
             }
 
-            mbedtls_mpi_write_file( "N:  ",  &N,  16, NULL );
-            mbedtls_mpi_write_file( "E:  ",  &E,  16, NULL );
-            mbedtls_mpi_write_file( "D:  ",  &D,  16, NULL );
-            mbedtls_mpi_write_file( "P:  ",  &P,  16, NULL );
-            mbedtls_mpi_write_file( "Q:  ",  &Q,  16, NULL );
-            mbedtls_mpi_write_file( "DP: ",  &DP, 16, NULL );
-            mbedtls_mpi_write_file( "DQ:  ", &DQ, 16, NULL );
-            mbedtls_mpi_write_file( "QP:  ", &QP, 16, NULL );
-        }
-        else
+            mbedtls_mpi_write_file("N:  ",  &N,  16, NULL);
+            mbedtls_mpi_write_file("E:  ",  &E,  16, NULL);
+            mbedtls_mpi_write_file("D:  ",  &D,  16, NULL);
+            mbedtls_mpi_write_file("P:  ",  &P,  16, NULL);
+            mbedtls_mpi_write_file("Q:  ",  &Q,  16, NULL);
+            mbedtls_mpi_write_file("DP: ",  &DP, 16, NULL);
+            mbedtls_mpi_write_file("DQ:  ", &DQ, 16, NULL);
+            mbedtls_mpi_write_file("QP:  ", &QP, 16, NULL);
+        } else
 #endif
 #if defined(MBEDTLS_ECP_C)
-        if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_ECKEY )
-        {
-            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( key );
-            mbedtls_mpi_write_file( "Q(X): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16, NULL );
-            mbedtls_mpi_write_file( "Q(Y): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16, NULL );
-            mbedtls_mpi_write_file( "Q(Z): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Z), 16, NULL );
-            mbedtls_mpi_write_file( "D   : ", &ecp->MBEDTLS_PRIVATE(d)  , 16, NULL );
-        }
-        else
+        if (mbedtls_pk_get_type(&key) == MBEDTLS_PK_ECKEY) {
+            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(key);
+            mbedtls_mpi_write_file("Q(X): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16, NULL);
+            mbedtls_mpi_write_file("Q(Y): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16, NULL);
+            mbedtls_mpi_write_file("Q(Z): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Z), 16, NULL);
+            mbedtls_mpi_write_file("D   : ", &ecp->MBEDTLS_PRIVATE(d), 16, NULL);
+        } else
 #endif
-            mbedtls_printf("key type not supported yet\n");
+        mbedtls_printf("key type not supported yet\n");
 
-    }
-    else if( opt.mode == MODE_PUBLIC )
-    {
+    } else if (opt.mode == MODE_PUBLIC) {
         /*
          * 1.1. Load the key
          */
-        mbedtls_printf( "\n  . Loading the public key ..." );
-        fflush( stdout );
+        mbedtls_printf("\n  . Loading the public key ...");
+        fflush(stdout);
 
-        ret = mbedtls_pk_parse_public_keyfile( &key, opt.filename );
+        ret = mbedtls_pk_parse_public_keyfile(&key, opt.filename);
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_public_key returned -0x%04x", (unsigned int) -ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_pk_parse_public_key returned -0x%04x",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /*
          * 1.2 Print the key
          */
-        mbedtls_printf( "  . Key information    ...\n" );
+        mbedtls_printf("  . Key information    ...\n");
 
 #if defined(MBEDTLS_RSA_C)
-        if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_RSA )
-        {
-            mbedtls_rsa_context *rsa = mbedtls_pk_rsa( key );
+        if (mbedtls_pk_get_type(&key) == MBEDTLS_PK_RSA) {
+            mbedtls_rsa_context *rsa = mbedtls_pk_rsa(key);
 
-            if( ( ret = mbedtls_rsa_export( rsa, &N, NULL, NULL,
-                                            NULL, &E ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! could not export RSA parameters\n\n" );
+            if ((ret = mbedtls_rsa_export(rsa, &N, NULL, NULL,
+                                          NULL, &E)) != 0) {
+                mbedtls_printf(" failed\n  ! could not export RSA parameters\n\n");
                 goto exit;
             }
-            mbedtls_mpi_write_file( "N: ", &N, 16, NULL );
-            mbedtls_mpi_write_file( "E: ", &E, 16, NULL );
-        }
-        else
+            mbedtls_mpi_write_file("N: ", &N, 16, NULL);
+            mbedtls_mpi_write_file("E: ", &E, 16, NULL);
+        } else
 #endif
 #if defined(MBEDTLS_ECP_C)
-        if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_ECKEY )
-        {
-            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( key );
-            mbedtls_mpi_write_file( "Q(X): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16, NULL );
-            mbedtls_mpi_write_file( "Q(Y): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16, NULL );
-            mbedtls_mpi_write_file( "Q(Z): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Z), 16, NULL );
-        }
-        else
+        if (mbedtls_pk_get_type(&key) == MBEDTLS_PK_ECKEY) {
+            mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(key);
+            mbedtls_mpi_write_file("Q(X): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(X), 16, NULL);
+            mbedtls_mpi_write_file("Q(Y): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Y), 16, NULL);
+            mbedtls_mpi_write_file("Q(Z): ", &ecp->MBEDTLS_PRIVATE(Q).MBEDTLS_PRIVATE(Z), 16, NULL);
+        } else
 #endif
-            mbedtls_printf("key type not supported yet\n");
-    }
-    else
+        mbedtls_printf("key type not supported yet\n");
+    } else {
         goto usage;
-
-    if( opt.output_mode == OUTPUT_MODE_PUBLIC )
-    {
-        write_public_key( &key, opt.output_file );
     }
-    if( opt.output_mode == OUTPUT_MODE_PRIVATE )
-    {
-        write_private_key( &key, opt.output_file );
+
+    if (opt.output_mode == OUTPUT_MODE_PUBLIC) {
+        write_public_key(&key, opt.output_file);
+    }
+    if (opt.output_mode == OUTPUT_MODE_PRIVATE) {
+        write_private_key(&key, opt.output_file);
     }
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
 #ifdef MBEDTLS_ERROR_C
-        mbedtls_strerror( ret, buf, sizeof( buf ) );
-        mbedtls_printf( " - %s\n", buf );
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" - %s\n", buf);
 #else
         mbedtls_printf("\n");
 #endif
     }
 
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-    mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+    mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
 
-    mbedtls_pk_free( &key );
+    mbedtls_pk_free(&key);
 
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_PK_PARSE_C && MBEDTLS_PK_WRITE_C && MBEDTLS_FS_IO &&
           MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/mpi_demo.c b/programs/pkey/mpi_demo.c
index 4c34b99..88d745e 100644
--- a/programs/pkey/mpi_demo.c
+++ b/programs/pkey/mpi_demo.c
@@ -28,70 +28,69 @@
 #endif
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( void )
+int main(void)
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
     mbedtls_mpi E, P, Q, N, H, D, X, Y, Z;
 
-    mbedtls_mpi_init( &E ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &N );
-    mbedtls_mpi_init( &H ); mbedtls_mpi_init( &D ); mbedtls_mpi_init( &X ); mbedtls_mpi_init( &Y );
-    mbedtls_mpi_init( &Z );
+    mbedtls_mpi_init(&E); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q); mbedtls_mpi_init(&N);
+    mbedtls_mpi_init(&H); mbedtls_mpi_init(&D); mbedtls_mpi_init(&X); mbedtls_mpi_init(&Y);
+    mbedtls_mpi_init(&Z);
 
-    MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( &P, 10, "2789" ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( &Q, 10, "3203" ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( &E, 10,  "257" ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &N, &P, &Q ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(&P, 10, "2789"));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(&Q, 10, "3203"));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(&E, 10,  "257"));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_mul_mpi(&N, &P, &Q));
 
-    mbedtls_printf( "\n  Public key:\n\n" );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "  N = ", &N, 10, NULL ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "  E = ", &E, 10, NULL ) );
+    mbedtls_printf("\n  Public key:\n\n");
+    MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("  N = ", &N, 10, NULL));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("  E = ", &E, 10, NULL));
 
-    mbedtls_printf( "\n  Private key:\n\n" );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "  P = ", &P, 10, NULL ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "  Q = ", &Q, 10, NULL ) );
+    mbedtls_printf("\n  Private key:\n\n");
+    MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("  P = ", &P, 10, NULL));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("  Q = ", &Q, 10, NULL));
 
 #if defined(MBEDTLS_GENPRIME)
-    MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int( &P, &P, 1 ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int( &Q, &Q, 1 ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &H, &P, &Q ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_inv_mod( &D, &E, &H ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_sub_int(&P, &P, 1));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_sub_int(&Q, &Q, 1));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_mul_mpi(&H, &P, &Q));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_inv_mod(&D, &E, &H));
 
-    mbedtls_mpi_write_file( "  D = E^-1 mod (P-1)*(Q-1) = ",
-                    &D, 10, NULL );
+    mbedtls_mpi_write_file("  D = E^-1 mod (P-1)*(Q-1) = ",
+                           &D, 10, NULL);
 #else
     mbedtls_printf("\nTest skipped (MBEDTLS_GENPRIME not defined).\n\n");
 #endif
-    MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( &X, 10, "55555" ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_exp_mod( &Y, &X, &E, &N, NULL ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_exp_mod( &Z, &Y, &D, &N, NULL ) );
+    MBEDTLS_MPI_CHK(mbedtls_mpi_read_string(&X, 10, "55555"));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_exp_mod(&Y, &X, &E, &N, NULL));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_exp_mod(&Z, &Y, &D, &N, NULL));
 
-    mbedtls_printf( "\n  RSA operation:\n\n" );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "  X (plaintext)  = ", &X, 10, NULL ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "  Y (ciphertext) = X^E mod N = ", &Y, 10, NULL ) );
-    MBEDTLS_MPI_CHK( mbedtls_mpi_write_file( "  Z (decrypted)  = Y^D mod N = ", &Z, 10, NULL ) );
-    mbedtls_printf( "\n" );
+    mbedtls_printf("\n  RSA operation:\n\n");
+    MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("  X (plaintext)  = ", &X, 10, NULL));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("  Y (ciphertext) = X^E mod N = ", &Y, 10, NULL));
+    MBEDTLS_MPI_CHK(mbedtls_mpi_write_file("  Z (decrypted)  = Y^D mod N = ", &Z, 10, NULL));
+    mbedtls_printf("\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 cleanup:
-    mbedtls_mpi_free( &E ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &N );
-    mbedtls_mpi_free( &H ); mbedtls_mpi_free( &D ); mbedtls_mpi_free( &X ); mbedtls_mpi_free( &Y );
-    mbedtls_mpi_free( &Z );
+    mbedtls_mpi_free(&E); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q); mbedtls_mpi_free(&N);
+    mbedtls_mpi_free(&H); mbedtls_mpi_free(&D); mbedtls_mpi_free(&X); mbedtls_mpi_free(&Y);
+    mbedtls_mpi_free(&Z);
 
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
-        mbedtls_printf( "\nAn error occurred.\n" );
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
+        mbedtls_printf("\nAn error occurred.\n");
     }
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_FS_IO */
diff --git a/programs/pkey/pk_decrypt.c b/programs/pkey/pk_decrypt.c
index 0d8388f..8862636 100644
--- a/programs/pkey/pk_decrypt.c
+++ b/programs/pkey/pk_decrypt.c
@@ -36,17 +36,17 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_PK_PARSE_C) ||  \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_ENTROPY_C) || \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_PK_PARSE_C and/or "
-           "MBEDTLS_FS_IO and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_FS_IO and/or MBEDTLS_ENTROPY_C and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -61,99 +61,93 @@
     const char *pers = "mbedtls_pk_decrypt";
     ((void) argv);
 
-    mbedtls_pk_init( &pk );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_pk_init(&pk);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    memset(result, 0, sizeof( result ) );
+    memset(result, 0, sizeof(result));
 
-    if( argc != 2 )
-    {
-        mbedtls_printf( "usage: mbedtls_pk_decrypt <key_file>\n" );
+    if (argc != 2) {
+        mbedtls_printf("usage: mbedtls_pk_decrypt <key_file>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
-                                       &entropy, (const unsigned char *) pers,
-                                       strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned -0x%04x\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,
+                                     &entropy, (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading private key from '%s'", argv[1] );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading private key from '%s'", argv[1]);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "",
-                    mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_parse_keyfile returned -0x%04x\n", (unsigned int) -ret );
+    if ((ret = mbedtls_pk_parse_keyfile(&pk, argv[1], "",
+                                        mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_parse_keyfile returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
     /*
      * Extract the RSA encrypted value from the text file
      */
-    if( ( f = fopen( "result-enc.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( "\n  ! Could not open %s\n\n", "result-enc.txt" );
+    if ((f = fopen("result-enc.txt", "rb")) == NULL) {
+        mbedtls_printf("\n  ! Could not open %s\n\n", "result-enc.txt");
         ret = 1;
         goto exit;
     }
 
     i = 0;
-    while( fscanf( f, "%02X", (unsigned int*) &c ) > 0 &&
-           i < (int) sizeof( buf ) )
-    {
+    while (fscanf(f, "%02X", (unsigned int *) &c) > 0 &&
+           i < (int) sizeof(buf)) {
         buf[i++] = (unsigned char) c;
     }
 
-    fclose( f );
+    fclose(f);
 
     /*
      * Decrypt the encrypted RSA data and print the result.
      */
-    mbedtls_printf( "\n  . Decrypting the encrypted data" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Decrypting the encrypted data");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_decrypt( &pk, buf, i, result, &olen, sizeof(result),
-                            mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_decrypt returned -0x%04x\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_pk_decrypt(&pk, buf, i, result, &olen, sizeof(result),
+                                  mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_decrypt returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . OK\n\n" );
+    mbedtls_printf("\n  . OK\n\n");
 
-    mbedtls_printf( "The decrypted result is: '%s'\n\n", result );
+    mbedtls_printf("The decrypted result is: '%s'\n\n", result);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_pk_free( &pk );
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
+    mbedtls_pk_free(&pk);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
 
 #if defined(MBEDTLS_ERROR_C)
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
-        mbedtls_strerror( ret, (char *) buf, sizeof( buf ) );
-        mbedtls_printf( "  !  Last error was: %s\n", buf );
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
+        mbedtls_strerror(ret, (char *) buf, sizeof(buf));
+        mbedtls_printf("  !  Last error was: %s\n", buf);
     }
 #endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
           MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/pk_encrypt.c b/programs/pkey/pk_encrypt.c
index 5d45738..eab3f08 100644
--- a/programs/pkey/pk_encrypt.c
+++ b/programs/pkey/pk_encrypt.c
@@ -36,17 +36,17 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_PK_PARSE_C) ||  \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_FS_IO) || \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_PK_PARSE_C and/or "
-           "MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -59,103 +59,96 @@
     unsigned char buf[512];
     const char *pers = "mbedtls_pk_encrypt";
 
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_pk_init( &pk );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_pk_init(&pk);
 
-    if( argc != 3 )
-    {
-        mbedtls_printf( "usage: mbedtls_pk_encrypt <key_file> <string of max 100 characters>\n" );
+    if (argc != 3) {
+        mbedtls_printf("usage: mbedtls_pk_encrypt <key_file> <string of max 100 characters>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
-                                       &entropy, (const unsigned char *) pers,
-                                       strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned -0x%04x\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,
+                                     &entropy, (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading public key from '%s'", argv[1] );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading public key from '%s'", argv[1]);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_parse_public_keyfile( &pk, argv[1] ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_parse_public_keyfile returned -0x%04x\n", (unsigned int) -ret );
+    if ((ret = mbedtls_pk_parse_public_keyfile(&pk, argv[1])) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_parse_public_keyfile returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    if( strlen( argv[2] ) > 100 )
-    {
-        mbedtls_printf( " Input data larger than 100 characters.\n\n" );
+    if (strlen(argv[2]) > 100) {
+        mbedtls_printf(" Input data larger than 100 characters.\n\n");
         goto exit;
     }
 
-    memcpy( input, argv[2], strlen( argv[2] ) );
+    memcpy(input, argv[2], strlen(argv[2]));
 
     /*
      * Calculate the RSA encryption of the hash.
      */
-    mbedtls_printf( "\n  . Generating the encrypted value" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Generating the encrypted value");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_encrypt( &pk, input, strlen( argv[2] ),
-                            buf, &olen, sizeof(buf),
-                            mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_encrypt returned -0x%04x\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_pk_encrypt(&pk, input, strlen(argv[2]),
+                                  buf, &olen, sizeof(buf),
+                                  mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_encrypt returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
     /*
      * Write the signature into result-enc.txt
      */
-    if( ( f = fopen( "result-enc.txt", "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not create %s\n\n",
-                        "result-enc.txt" );
+    if ((f = fopen("result-enc.txt", "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not create %s\n\n",
+                       "result-enc.txt");
         ret = 1;
         goto exit;
     }
 
-    for( i = 0; i < olen; i++ )
-    {
-        mbedtls_fprintf( f, "%02X%s", buf[i],
-                 ( i + 1 ) % 16 == 0 ? "\r\n" : " " );
+    for (i = 0; i < olen; i++) {
+        mbedtls_fprintf(f, "%02X%s", buf[i],
+                        (i + 1) % 16 == 0 ? "\r\n" : " ");
     }
 
-    fclose( f );
+    fclose(f);
 
-    mbedtls_printf( "\n  . Done (created \"%s\")\n\n", "result-enc.txt" );
+    mbedtls_printf("\n  . Done (created \"%s\")\n\n", "result-enc.txt");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_pk_free( &pk );
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
+    mbedtls_pk_free(&pk);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
 
 #if defined(MBEDTLS_ERROR_C)
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
-        mbedtls_strerror( ret, (char *) buf, sizeof( buf ) );
-        mbedtls_printf( "  !  Last error was: %s\n", buf );
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
+        mbedtls_strerror(ret, (char *) buf, sizeof(buf));
+        mbedtls_printf("  !  Last error was: %s\n", buf);
     }
 #endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_PK_PARSE_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/pk_sign.c b/programs/pkey/pk_sign.c
index 301edb8..21a75e9 100644
--- a/programs/pkey/pk_sign.c
+++ b/programs/pkey/pk_sign.c
@@ -25,13 +25,13 @@
     !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_MD_C) || \
     !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_FS_IO) ||    \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SHA256_C and/or MBEDTLS_MD_C and/or "
-           "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_SHA256_C and/or MBEDTLS_MD_C and/or "
+                   "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -44,7 +44,7 @@
 #include <stdio.h>
 #include <string.h>
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -58,39 +58,37 @@
     const char *pers = "mbedtls_pk_sign";
     size_t olen = 0;
 
-    mbedtls_entropy_init( &entropy );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_pk_init( &pk );
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_pk_init(&pk);
 
-    if( argc != 3 )
-    {
-        mbedtls_printf( "usage: mbedtls_pk_sign <key_file> <filename>\n" );
+    if (argc != 3) {
+        mbedtls_printf("usage: mbedtls_pk_sign <key_file> <filename>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned -0x%04x\n", (unsigned int) -ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading private key from '%s'", argv[1] );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading private key from '%s'", argv[1]);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "",
-                    mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not parse '%s'\n", argv[1] );
+    if ((ret = mbedtls_pk_parse_keyfile(&pk, argv[1], "",
+                                        mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! Could not parse '%s'\n", argv[1]);
         goto exit;
     }
 
@@ -98,63 +96,58 @@
      * Compute the SHA-256 hash of the input file,
      * then calculate the signature of the hash.
      */
-    mbedtls_printf( "\n  . Generating the SHA-256 signature" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Generating the SHA-256 signature");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_md_file(
-                    mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ),
-                    argv[2], hash ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not open or read %s\n\n", argv[2] );
+    if ((ret = mbedtls_md_file(
+             mbedtls_md_info_from_type(MBEDTLS_MD_SHA256),
+             argv[2], hash)) != 0) {
+        mbedtls_printf(" failed\n  ! Could not open or read %s\n\n", argv[2]);
         goto exit;
     }
 
-    if( ( ret = mbedtls_pk_sign( &pk, MBEDTLS_MD_SHA256, hash, 0,
-                                 buf, sizeof( buf ), &olen,
-                                 mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_sign returned -0x%04x\n", (unsigned int) -ret );
+    if ((ret = mbedtls_pk_sign(&pk, MBEDTLS_MD_SHA256, hash, 0,
+                               buf, sizeof(buf), &olen,
+                               mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_sign returned -0x%04x\n", (unsigned int) -ret);
         goto exit;
     }
 
     /*
      * Write the signature into <filename>.sig
      */
-    mbedtls_snprintf( filename, sizeof(filename), "%s.sig", argv[2] );
+    mbedtls_snprintf(filename, sizeof(filename), "%s.sig", argv[2]);
 
-    if( ( f = fopen( filename, "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not create %s\n\n", filename );
+    if ((f = fopen(filename, "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not create %s\n\n", filename);
         goto exit;
     }
 
-    if( fwrite( buf, 1, olen, f ) != olen )
-    {
-        mbedtls_printf( "failed\n  ! fwrite failed\n\n" );
-        fclose( f );
+    if (fwrite(buf, 1, olen, f) != olen) {
+        mbedtls_printf("failed\n  ! fwrite failed\n\n");
+        fclose(f);
         goto exit;
     }
 
-    fclose( f );
+    fclose(f);
 
-    mbedtls_printf( "\n  . Done (created \"%s\")\n\n", filename );
+    mbedtls_printf("\n  . Done (created \"%s\")\n\n", filename);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_pk_free( &pk );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_pk_free(&pk);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
 #if defined(MBEDTLS_ERROR_C)
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
-        mbedtls_strerror( ret, (char *) buf, sizeof(buf) );
-        mbedtls_printf( "  !  Last error was: %s\n", buf );
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
+        mbedtls_strerror(ret, (char *) buf, sizeof(buf));
+        mbedtls_printf("  !  Last error was: %s\n", buf);
     }
 #endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_SHA256_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
diff --git a/programs/pkey/pk_verify.c b/programs/pkey/pk_verify.c
index 6b96452..b1fd1b6 100644
--- a/programs/pkey/pk_verify.c
+++ b/programs/pkey/pk_verify.c
@@ -24,12 +24,12 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_MD_C) || \
     !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_PK_PARSE_C) ||   \
     !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_MD_C and/or "
-           "MBEDTLS_SHA256_C and/or MBEDTLS_PK_PARSE_C and/or "
-           "MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_SHA256_C and/or MBEDTLS_PK_PARSE_C and/or "
+                   "MBEDTLS_FS_IO not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -41,7 +41,7 @@
 #include <string.h>
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -52,81 +52,76 @@
     unsigned char buf[MBEDTLS_PK_SIGNATURE_MAX_SIZE];
     char filename[512];
 
-    mbedtls_pk_init( &pk );
+    mbedtls_pk_init(&pk);
 
-    if( argc != 3 )
-    {
-        mbedtls_printf( "usage: mbedtls_pk_verify <key_file> <filename>\n" );
+    if (argc != 3) {
+        mbedtls_printf("usage: mbedtls_pk_verify <key_file> <filename>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading public key from '%s'", argv[1] );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading public key from '%s'", argv[1]);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_parse_public_keyfile( &pk, argv[1] ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_parse_public_keyfile returned -0x%04x\n", (unsigned int) -ret );
+    if ((ret = mbedtls_pk_parse_public_keyfile(&pk, argv[1])) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_parse_public_keyfile returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
     /*
      * Extract the signature from the file
      */
-    mbedtls_snprintf( filename, sizeof(filename), "%s.sig", argv[2] );
+    mbedtls_snprintf(filename, sizeof(filename), "%s.sig", argv[2]);
 
-    if( ( f = fopen( filename, "rb" ) ) == NULL )
-    {
-        mbedtls_printf( "\n  ! Could not open %s\n\n", filename );
+    if ((f = fopen(filename, "rb")) == NULL) {
+        mbedtls_printf("\n  ! Could not open %s\n\n", filename);
         goto exit;
     }
 
-    i = fread( buf, 1, sizeof(buf), f );
+    i = fread(buf, 1, sizeof(buf), f);
 
-    fclose( f );
+    fclose(f);
 
     /*
      * Compute the SHA-256 hash of the input file and
      * verify the signature
      */
-    mbedtls_printf( "\n  . Verifying the SHA-256 signature" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Verifying the SHA-256 signature");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_md_file(
-                    mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ),
-                    argv[2], hash ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not open or read %s\n\n", argv[2] );
+    if ((ret = mbedtls_md_file(
+             mbedtls_md_info_from_type(MBEDTLS_MD_SHA256),
+             argv[2], hash)) != 0) {
+        mbedtls_printf(" failed\n  ! Could not open or read %s\n\n", argv[2]);
         goto exit;
     }
 
-    if( ( ret = mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA256, hash, 0,
-                           buf, i ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_verify returned -0x%04x\n", (unsigned int) -ret );
+    if ((ret = mbedtls_pk_verify(&pk, MBEDTLS_MD_SHA256, hash, 0,
+                                 buf, i)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_verify returned -0x%04x\n", (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . OK (the signature is valid)\n\n" );
+    mbedtls_printf("\n  . OK (the signature is valid)\n\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_pk_free( &pk );
+    mbedtls_pk_free(&pk);
 
 #if defined(MBEDTLS_ERROR_C)
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
-        mbedtls_strerror( ret, (char *) buf, sizeof(buf) );
-        mbedtls_printf( "  !  Last error was: %s\n", buf );
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
+        mbedtls_strerror(ret, (char *) buf, sizeof(buf));
+        mbedtls_printf("  !  Last error was: %s\n", buf);
     }
 #endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_SHA256_C &&
           MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO */
diff --git a/programs/pkey/rsa_decrypt.c b/programs/pkey/rsa_decrypt.c
index 783f3ca..0462ba6 100644
--- a/programs/pkey/rsa_decrypt.c
+++ b/programs/pkey/rsa_decrypt.c
@@ -35,17 +35,17 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_ENTROPY_C) || \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_FS_IO and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_FS_IO and/or MBEDTLS_ENTROPY_C and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -61,132 +61,124 @@
     const char *pers = "rsa_decrypt";
     ((void) argv);
 
-    memset(result, 0, sizeof( result ) );
+    memset(result, 0, sizeof(result));
 
-    if( argc != 1 )
-    {
-        mbedtls_printf( "usage: rsa_decrypt\n" );
+    if (argc != 1) {
+        mbedtls_printf("usage: rsa_decrypt\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
-        mbedtls_exit( exit_code );
+        mbedtls_exit(exit_code);
     }
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_rsa_init( &rsa );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-    mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+    mbedtls_rsa_init(&rsa);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+    mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-    ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
-                                        &entropy, (const unsigned char *) pers,
-                                        strlen( pers ) );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n",
-                        ret );
+    ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,
+                                &entropy, (const unsigned char *) pers,
+                                strlen(pers));
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading private key from rsa_priv.txt" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading private key from rsa_priv.txt");
+    fflush(stdout);
 
-    if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not open rsa_priv.txt\n" \
-                "  ! Please run rsa_genkey first\n\n" );
+    if ((f = fopen("rsa_priv.txt", "rb")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not open rsa_priv.txt\n" \
+                       "  ! Please run rsa_genkey first\n\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_read_file( &N , 16, f ) )  != 0 ||
-        ( ret = mbedtls_mpi_read_file( &E , 16, f ) )  != 0 ||
-        ( ret = mbedtls_mpi_read_file( &D , 16, f ) )  != 0 ||
-        ( ret = mbedtls_mpi_read_file( &P , 16, f ) )  != 0 ||
-        ( ret = mbedtls_mpi_read_file( &Q , 16, f ) )  != 0 ||
-        ( ret = mbedtls_mpi_read_file( &DP , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &DQ , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &QP , 16, f ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_read_file returned %d\n\n",
-                        ret );
-        fclose( f );
+    if ((ret = mbedtls_mpi_read_file(&N, 16, f))  != 0 ||
+        (ret = mbedtls_mpi_read_file(&E, 16, f))  != 0 ||
+        (ret = mbedtls_mpi_read_file(&D, 16, f))  != 0 ||
+        (ret = mbedtls_mpi_read_file(&P, 16, f))  != 0 ||
+        (ret = mbedtls_mpi_read_file(&Q, 16, f))  != 0 ||
+        (ret = mbedtls_mpi_read_file(&DP, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&DQ, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&QP, 16, f)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_read_file returned %d\n\n",
+                       ret);
+        fclose(f);
         goto exit;
     }
-    fclose( f );
+    fclose(f);
 
-    if( ( ret = mbedtls_rsa_import( &rsa, &N, &P, &Q, &D, &E ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_import returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_rsa_import(&rsa, &N, &P, &Q, &D, &E)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_import returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_complete( &rsa ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_complete returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_rsa_complete(&rsa)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_complete returned %d\n\n",
+                       ret);
         goto exit;
     }
 
     /*
      * Extract the RSA encrypted value from the text file
      */
-    if( ( f = fopen( "result-enc.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( "\n  ! Could not open %s\n\n", "result-enc.txt" );
+    if ((f = fopen("result-enc.txt", "rb")) == NULL) {
+        mbedtls_printf("\n  ! Could not open %s\n\n", "result-enc.txt");
         goto exit;
     }
 
     i = 0;
 
-    while( fscanf( f, "%02X", (unsigned int*) &c ) > 0 &&
-           i < (int) sizeof( buf ) )
+    while (fscanf(f, "%02X", (unsigned int *) &c) > 0 &&
+           i < (int) sizeof(buf)) {
         buf[i++] = (unsigned char) c;
+    }
 
-    fclose( f );
+    fclose(f);
 
-    if( i != rsa.MBEDTLS_PRIVATE(len) )
-    {
-        mbedtls_printf( "\n  ! Invalid RSA signature format\n\n" );
+    if (i != rsa.MBEDTLS_PRIVATE(len)) {
+        mbedtls_printf("\n  ! Invalid RSA signature format\n\n");
         goto exit;
     }
 
     /*
      * Decrypt the encrypted RSA data and print the result.
      */
-    mbedtls_printf( "\n  . Decrypting the encrypted data" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Decrypting the encrypted data");
+    fflush(stdout);
 
-    ret = mbedtls_rsa_pkcs1_decrypt( &rsa, mbedtls_ctr_drbg_random,
-                                            &ctr_drbg, &i,
-                                            buf, result, 1024 );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_pkcs1_decrypt returned %d\n\n",
-                        ret );
+    ret = mbedtls_rsa_pkcs1_decrypt(&rsa, mbedtls_ctr_drbg_random,
+                                    &ctr_drbg, &i,
+                                    buf, result, 1024);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_pkcs1_decrypt returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . OK\n\n" );
+    mbedtls_printf("\n  . OK\n\n");
 
-    mbedtls_printf( "The decrypted result is: '%s'\n\n", result );
+    mbedtls_printf("The decrypted result is: '%s'\n\n", result);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
-    mbedtls_rsa_free( &rsa );
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-    mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_rsa_free(&rsa);
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+    mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_FS_IO */
diff --git a/programs/pkey/rsa_encrypt.c b/programs/pkey/rsa_encrypt.c
index 777b22e..2126a9b 100644
--- a/programs/pkey/rsa_encrypt.c
+++ b/programs/pkey/rsa_encrypt.c
@@ -34,17 +34,17 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_FS_IO) || \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -58,111 +58,104 @@
     const char *pers = "rsa_encrypt";
     mbedtls_mpi N, E;
 
-    if( argc != 2 )
-    {
-        mbedtls_printf( "usage: rsa_encrypt <string of max 100 characters>\n" );
+    if (argc != 2) {
+        mbedtls_printf("usage: rsa_encrypt <string of max 100 characters>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
-        mbedtls_exit( exit_code );
+        mbedtls_exit(exit_code);
     }
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
-    mbedtls_rsa_init( &rsa );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&E);
+    mbedtls_rsa_init(&rsa);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
 
-    ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
-                                 &entropy, (const unsigned char *) pers,
-                                 strlen( pers ) );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n",
-                        ret );
+    ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,
+                                &entropy, (const unsigned char *) pers,
+                                strlen(pers));
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading public key from rsa_pub.txt" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading public key from rsa_pub.txt");
+    fflush(stdout);
 
-    if( ( f = fopen( "rsa_pub.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not open rsa_pub.txt\n" \
-                "  ! Please run rsa_genkey first\n\n" );
+    if ((f = fopen("rsa_pub.txt", "rb")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not open rsa_pub.txt\n" \
+                       "  ! Please run rsa_genkey first\n\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_read_file( &N, 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &E, 16, f ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_read_file returned %d\n\n",
-                        ret );
-        fclose( f );
+    if ((ret = mbedtls_mpi_read_file(&N, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&E, 16, f)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_read_file returned %d\n\n",
+                       ret);
+        fclose(f);
         goto exit;
     }
-    fclose( f );
+    fclose(f);
 
-    if( ( ret = mbedtls_rsa_import( &rsa, &N, NULL, NULL, NULL, &E ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_import returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_rsa_import(&rsa, &N, NULL, NULL, NULL, &E)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_import returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    if( strlen( argv[1] ) > 100 )
-    {
-        mbedtls_printf( " Input data larger than 100 characters.\n\n" );
+    if (strlen(argv[1]) > 100) {
+        mbedtls_printf(" Input data larger than 100 characters.\n\n");
         goto exit;
     }
 
-    memcpy( input, argv[1], strlen( argv[1] ) );
+    memcpy(input, argv[1], strlen(argv[1]));
 
     /*
      * Calculate the RSA encryption of the hash.
      */
-    mbedtls_printf( "\n  . Generating the RSA encrypted value" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Generating the RSA encrypted value");
+    fflush(stdout);
 
-    ret = mbedtls_rsa_pkcs1_encrypt( &rsa, mbedtls_ctr_drbg_random,
-                                     &ctr_drbg, strlen( argv[1] ), input, buf );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_pkcs1_encrypt returned %d\n\n",
-                        ret );
+    ret = mbedtls_rsa_pkcs1_encrypt(&rsa, mbedtls_ctr_drbg_random,
+                                    &ctr_drbg, strlen(argv[1]), input, buf);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_pkcs1_encrypt returned %d\n\n",
+                       ret);
         goto exit;
     }
 
     /*
      * Write the signature into result-enc.txt
      */
-    if( ( f = fopen( "result-enc.txt", "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not create %s\n\n", "result-enc.txt" );
+    if ((f = fopen("result-enc.txt", "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not create %s\n\n", "result-enc.txt");
         goto exit;
     }
 
-    for( i = 0; i < rsa.MBEDTLS_PRIVATE(len); i++ )
-        mbedtls_fprintf( f, "%02X%s", buf[i],
-                 ( i + 1 ) % 16 == 0 ? "\r\n" : " " );
+    for (i = 0; i < rsa.MBEDTLS_PRIVATE(len); i++) {
+        mbedtls_fprintf(f, "%02X%s", buf[i],
+                        (i + 1) % 16 == 0 ? "\r\n" : " ");
+    }
 
-    fclose( f );
+    fclose(f);
 
-    mbedtls_printf( "\n  . Done (created \"%s\")\n\n", "result-enc.txt" );
+    mbedtls_printf("\n  . Done (created \"%s\")\n\n", "result-enc.txt");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
-    mbedtls_rsa_free( &rsa );
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&E);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_rsa_free(&rsa);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/rsa_genkey.c b/programs/pkey/rsa_genkey.c
index 7acda81..17f6d65 100644
--- a/programs/pkey/rsa_genkey.c
+++ b/programs/pkey/rsa_genkey.c
@@ -39,17 +39,17 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||   \
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_GENPRIME) ||      \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_RSA_C and/or MBEDTLS_GENPRIME and/or "
-           "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_RSA_C and/or MBEDTLS_GENPRIME and/or "
+                   "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( void )
+int main(void)
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -61,98 +61,93 @@
     FILE *fpriv = NULL;
     const char *pers = "rsa_genkey";
 
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_rsa_init( &rsa );
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-    mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_rsa_init(&rsa);
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+    mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Generating the RSA key [ %d-bit ]...", KEY_SIZE );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Generating the RSA key [ %d-bit ]...", KEY_SIZE);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_rsa_gen_key( &rsa, mbedtls_ctr_drbg_random, &ctr_drbg, KEY_SIZE,
-                                     EXPONENT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_gen_key returned %d\n\n", ret );
+    if ((ret = mbedtls_rsa_gen_key(&rsa, mbedtls_ctr_drbg_random, &ctr_drbg, KEY_SIZE,
+                                   EXPONENT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_gen_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Exporting the public  key in rsa_pub.txt...." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Exporting the public  key in rsa_pub.txt....");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_rsa_export    ( &rsa, &N, &P, &Q, &D, &E ) ) != 0 ||
-        ( ret = mbedtls_rsa_export_crt( &rsa, &DP, &DQ, &QP ) )      != 0 )
-    {
-        mbedtls_printf( " failed\n  ! could not export RSA parameters\n\n" );
+    if ((ret = mbedtls_rsa_export(&rsa, &N, &P, &Q, &D, &E)) != 0 ||
+        (ret = mbedtls_rsa_export_crt(&rsa, &DP, &DQ, &QP))      != 0) {
+        mbedtls_printf(" failed\n  ! could not export RSA parameters\n\n");
         goto exit;
     }
 
-    if( ( fpub = fopen( "rsa_pub.txt", "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! could not open rsa_pub.txt for writing\n\n" );
+    if ((fpub = fopen("rsa_pub.txt", "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! could not open rsa_pub.txt for writing\n\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_write_file( "N = ", &N, 16, fpub ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "E = ", &E, 16, fpub ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret );
+    if ((ret = mbedtls_mpi_write_file("N = ", &N, 16, fpub)) != 0 ||
+        (ret = mbedtls_mpi_write_file("E = ", &E, 16, fpub)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n  . Exporting the private key in rsa_priv.txt..." );
-    fflush( stdout );
+    mbedtls_printf(" ok\n  . Exporting the private key in rsa_priv.txt...");
+    fflush(stdout);
 
-    if( ( fpriv = fopen( "rsa_priv.txt", "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! could not open rsa_priv.txt for writing\n" );
+    if ((fpriv = fopen("rsa_priv.txt", "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! could not open rsa_priv.txt for writing\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_write_file( "N = " , &N , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "E = " , &E , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "D = " , &D , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "P = " , &P , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "Q = " , &Q , 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "DP = ", &DP, 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "DQ = ", &DQ, 16, fpriv ) ) != 0 ||
-        ( ret = mbedtls_mpi_write_file( "QP = ", &QP, 16, fpriv ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret );
+    if ((ret = mbedtls_mpi_write_file("N = ", &N, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("E = ", &E, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("D = ", &D, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("P = ", &P, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("Q = ", &Q, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("DP = ", &DP, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("DQ = ", &DQ, 16, fpriv)) != 0 ||
+        (ret = mbedtls_mpi_write_file("QP = ", &QP, 16, fpriv)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_write_file returned %d\n\n", ret);
         goto exit;
     }
-    mbedtls_printf( " ok\n\n" );
+    mbedtls_printf(" ok\n\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    if( fpub  != NULL )
-        fclose( fpub );
+    if (fpub  != NULL) {
+        fclose(fpub);
+    }
 
-    if( fpriv != NULL )
-        fclose( fpriv );
+    if (fpriv != NULL) {
+        fclose(fpriv);
+    }
 
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-    mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
-    mbedtls_rsa_free( &rsa );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+    mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
+    mbedtls_rsa_free(&rsa);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_RSA_C &&
           MBEDTLS_GENPRIME && MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index f4deab0..a8418d1 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -24,12 +24,12 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_MD_C) || \
     !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
-            "MBEDTLS_MD_C and/or "
-            "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_MD_C and/or "
+                   "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -40,7 +40,7 @@
 #include <string.h>
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -52,67 +52,62 @@
     char filename[512];
     mbedtls_mpi N, P, Q, D, E, DP, DQ, QP;
 
-    mbedtls_rsa_init( &rsa );
+    mbedtls_rsa_init(&rsa);
 
-    mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
-    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
-    mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
+    mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
+    mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
+    mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
 
-    if( argc != 2 )
-    {
-        mbedtls_printf( "usage: rsa_sign <filename>\n" );
+    if (argc != 2) {
+        mbedtls_printf("usage: rsa_sign <filename>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading private key from rsa_priv.txt" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading private key from rsa_priv.txt");
+    fflush(stdout);
 
-    if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not open rsa_priv.txt\n" \
-                "  ! Please run rsa_genkey first\n\n" );
+    if ((f = fopen("rsa_priv.txt", "rb")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not open rsa_priv.txt\n" \
+                       "  ! Please run rsa_genkey first\n\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_read_file( &N , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &E , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &D , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &P , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &Q , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &DP , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &DQ , 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &QP , 16, f ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_read_file returned %d\n\n", ret );
-        fclose( f );
+    if ((ret = mbedtls_mpi_read_file(&N, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&E, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&D, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&P, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&Q, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&DP, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&DQ, 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&QP, 16, f)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_read_file returned %d\n\n", ret);
+        fclose(f);
         goto exit;
     }
-    fclose( f );
+    fclose(f);
 
-    if( ( ret = mbedtls_rsa_import( &rsa, &N, &P, &Q, &D, &E ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_import returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_rsa_import(&rsa, &N, &P, &Q, &D, &E)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_import returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_complete( &rsa ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_complete returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_rsa_complete(&rsa)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_complete returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Checking the private key" );
-    fflush( stdout );
-    if( ( ret = mbedtls_rsa_check_privkey( &rsa ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_check_privkey failed with -0x%0x\n", (unsigned int) -ret );
+    mbedtls_printf("\n  . Checking the private key");
+    fflush(stdout);
+    if ((ret = mbedtls_rsa_check_privkey(&rsa)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_check_privkey failed with -0x%0x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
@@ -120,53 +115,52 @@
      * Compute the SHA-256 hash of the input file,
      * then calculate the RSA signature of the hash.
      */
-    mbedtls_printf( "\n  . Generating the RSA/SHA-256 signature" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Generating the RSA/SHA-256 signature");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_md_file(
-                    mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ),
-                    argv[1], hash ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not open or read %s\n\n", argv[1] );
+    if ((ret = mbedtls_md_file(
+             mbedtls_md_info_from_type(MBEDTLS_MD_SHA256),
+             argv[1], hash)) != 0) {
+        mbedtls_printf(" failed\n  ! Could not open or read %s\n\n", argv[1]);
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_pkcs1_sign( &rsa, NULL, NULL, MBEDTLS_MD_SHA256,
-                                32, hash, buf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_pkcs1_sign returned -0x%0x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_rsa_pkcs1_sign(&rsa, NULL, NULL, MBEDTLS_MD_SHA256,
+                                      32, hash, buf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_pkcs1_sign returned -0x%0x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
     /*
      * Write the signature into <filename>.sig
      */
-    mbedtls_snprintf( filename, sizeof(filename), "%s.sig", argv[1] );
+    mbedtls_snprintf(filename, sizeof(filename), "%s.sig", argv[1]);
 
-    if( ( f = fopen( filename, "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not create %s\n\n", argv[1] );
+    if ((f = fopen(filename, "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not create %s\n\n", argv[1]);
         goto exit;
     }
 
-    for( i = 0; i < rsa.MBEDTLS_PRIVATE(len); i++ )
-        mbedtls_fprintf( f, "%02X%s", buf[i],
-                 ( i + 1 ) % 16 == 0 ? "\r\n" : " " );
+    for (i = 0; i < rsa.MBEDTLS_PRIVATE(len); i++) {
+        mbedtls_fprintf(f, "%02X%s", buf[i],
+                        (i + 1) % 16 == 0 ? "\r\n" : " ");
+    }
 
-    fclose( f );
+    fclose(f);
 
-    mbedtls_printf( "\n  . Done (created \"%s\")\n\n", filename );
+    mbedtls_printf("\n  . Done (created \"%s\")\n\n", filename);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_rsa_free( &rsa );
-    mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
-    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
-    mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
+    mbedtls_rsa_free(&rsa);
+    mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
+    mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
+    mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
           MBEDTLS_FS_IO */
diff --git a/programs/pkey/rsa_sign_pss.c b/programs/pkey/rsa_sign_pss.c
index 0cbde02..19ab962 100644
--- a/programs/pkey/rsa_sign_pss.c
+++ b/programs/pkey/rsa_sign_pss.c
@@ -25,13 +25,13 @@
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_SHA256_C) ||        \
     !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_FS_IO) ||    \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_MD_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_RSA_C and/or MBEDTLS_SHA256_C and/or "
-           "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_RSA_C and/or MBEDTLS_SHA256_C and/or "
+                   "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -45,7 +45,7 @@
 #include <string.h>
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -59,54 +59,49 @@
     const char *pers = "rsa_sign_pss";
     size_t olen = 0;
 
-    mbedtls_entropy_init( &entropy );
-    mbedtls_pk_init( &pk );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_entropy_init(&entropy);
+    mbedtls_pk_init(&pk);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    if( argc != 3 )
-    {
-        mbedtls_printf( "usage: rsa_sign_pss <key_file> <filename>\n" );
+    if (argc != 3) {
+        mbedtls_printf("usage: rsa_sign_pss <key_file> <filename>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading private key from '%s'", argv[1] );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading private key from '%s'", argv[1]);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "",
-                    mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not read key from '%s'\n", argv[1] );
-        mbedtls_printf( "  ! mbedtls_pk_parse_public_keyfile returned %d\n\n", ret );
+    if ((ret = mbedtls_pk_parse_keyfile(&pk, argv[1], "",
+                                        mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! Could not read key from '%s'\n", argv[1]);
+        mbedtls_printf("  ! mbedtls_pk_parse_public_keyfile returned %d\n\n", ret);
         goto exit;
     }
 
-    if( !mbedtls_pk_can_do( &pk, MBEDTLS_PK_RSA ) )
-    {
-        mbedtls_printf( " failed\n  ! Key is not an RSA key\n" );
+    if (!mbedtls_pk_can_do(&pk, MBEDTLS_PK_RSA)) {
+        mbedtls_printf(" failed\n  ! Key is not an RSA key\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_set_padding( mbedtls_pk_rsa( pk ),
-                                         MBEDTLS_RSA_PKCS_V21,
-                                         MBEDTLS_MD_SHA256 ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Padding not supported\n" );
+    if ((ret = mbedtls_rsa_set_padding(mbedtls_pk_rsa(pk),
+                                       MBEDTLS_RSA_PKCS_V21,
+                                       MBEDTLS_MD_SHA256)) != 0) {
+        mbedtls_printf(" failed\n  ! Padding not supported\n");
         goto exit;
     }
 
@@ -114,55 +109,51 @@
      * Compute the SHA-256 hash of the input file,
      * then calculate the RSA signature of the hash.
      */
-    mbedtls_printf( "\n  . Generating the RSA/SHA-256 signature" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Generating the RSA/SHA-256 signature");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_md_file(
-                    mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ),
-                    argv[2], hash ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not open or read %s\n\n", argv[2] );
+    if ((ret = mbedtls_md_file(
+             mbedtls_md_info_from_type(MBEDTLS_MD_SHA256),
+             argv[2], hash)) != 0) {
+        mbedtls_printf(" failed\n  ! Could not open or read %s\n\n", argv[2]);
         goto exit;
     }
 
-    if( ( ret = mbedtls_pk_sign( &pk, MBEDTLS_MD_SHA256, hash, 0,
-                                 buf, sizeof( buf ), &olen,
-                                 mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_sign returned %d\n\n", ret );
+    if ((ret = mbedtls_pk_sign(&pk, MBEDTLS_MD_SHA256, hash, 0,
+                               buf, sizeof(buf), &olen,
+                               mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_sign returned %d\n\n", ret);
         goto exit;
     }
 
     /*
      * Write the signature into <filename>.sig
      */
-    mbedtls_snprintf( filename, 512, "%s.sig", argv[2] );
+    mbedtls_snprintf(filename, 512, "%s.sig", argv[2]);
 
-    if( ( f = fopen( filename, "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not create %s\n\n", filename );
+    if ((f = fopen(filename, "wb+")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not create %s\n\n", filename);
         goto exit;
     }
 
-    if( fwrite( buf, 1, olen, f ) != olen )
-    {
-        mbedtls_printf( "failed\n  ! fwrite failed\n\n" );
-        fclose( f );
+    if (fwrite(buf, 1, olen, f) != olen) {
+        mbedtls_printf("failed\n  ! fwrite failed\n\n");
+        fclose(f);
         goto exit;
     }
 
-    fclose( f );
+    fclose(f);
 
-    mbedtls_printf( "\n  . Done (created \"%s\")\n\n", filename );
+    mbedtls_printf("\n  . Done (created \"%s\")\n\n", filename);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_pk_free( &pk );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_pk_free(&pk);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_RSA_C &&
           MBEDTLS_SHA256_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
diff --git a/programs/pkey/rsa_verify.c b/programs/pkey/rsa_verify.c
index a3fa6d7..9c08435 100644
--- a/programs/pkey/rsa_verify.c
+++ b/programs/pkey/rsa_verify.c
@@ -24,12 +24,12 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_MD_C) || \
     !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
-            "MBEDTLS_MD_C and/or "
-            "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_MD_C and/or "
+                   "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -40,7 +40,7 @@
 #include <string.h>
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -52,62 +52,58 @@
     unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
     char filename[512];
 
-    mbedtls_rsa_init( &rsa );
+    mbedtls_rsa_init(&rsa);
 
-    if( argc != 2 )
-    {
-        mbedtls_printf( "usage: rsa_verify <filename>\n" );
+    if (argc != 2) {
+        mbedtls_printf("usage: rsa_verify <filename>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading public key from rsa_pub.txt" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading public key from rsa_pub.txt");
+    fflush(stdout);
 
-    if( ( f = fopen( "rsa_pub.txt", "rb" ) ) == NULL )
-    {
-        mbedtls_printf( " failed\n  ! Could not open rsa_pub.txt\n" \
-                "  ! Please run rsa_genkey first\n\n" );
+    if ((f = fopen("rsa_pub.txt", "rb")) == NULL) {
+        mbedtls_printf(" failed\n  ! Could not open rsa_pub.txt\n" \
+                       "  ! Please run rsa_genkey first\n\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_mpi_read_file( &rsa.MBEDTLS_PRIVATE(N), 16, f ) ) != 0 ||
-        ( ret = mbedtls_mpi_read_file( &rsa.MBEDTLS_PRIVATE(E), 16, f ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_mpi_read_file returned %d\n\n", ret );
-        fclose( f );
+    if ((ret = mbedtls_mpi_read_file(&rsa.MBEDTLS_PRIVATE(N), 16, f)) != 0 ||
+        (ret = mbedtls_mpi_read_file(&rsa.MBEDTLS_PRIVATE(E), 16, f)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_mpi_read_file returned %d\n\n", ret);
+        fclose(f);
         goto exit;
     }
 
-    rsa.MBEDTLS_PRIVATE(len) = ( mbedtls_mpi_bitlen( &rsa.MBEDTLS_PRIVATE(N) ) + 7 ) >> 3;
+    rsa.MBEDTLS_PRIVATE(len) = (mbedtls_mpi_bitlen(&rsa.MBEDTLS_PRIVATE(N)) + 7) >> 3;
 
-    fclose( f );
+    fclose(f);
 
     /*
      * Extract the RSA signature from the text file
      */
-    mbedtls_snprintf( filename, sizeof(filename), "%s.sig", argv[1] );
+    mbedtls_snprintf(filename, sizeof(filename), "%s.sig", argv[1]);
 
-    if( ( f = fopen( filename, "rb" ) ) == NULL )
-    {
-        mbedtls_printf( "\n  ! Could not open %s\n\n", filename );
+    if ((f = fopen(filename, "rb")) == NULL) {
+        mbedtls_printf("\n  ! Could not open %s\n\n", filename);
         goto exit;
     }
 
     i = 0;
-    while( fscanf( f, "%02X", (unsigned int*) &c ) > 0 &&
-           i < (int) sizeof( buf ) )
+    while (fscanf(f, "%02X", (unsigned int *) &c) > 0 &&
+           i < (int) sizeof(buf)) {
         buf[i++] = (unsigned char) c;
+    }
 
-    fclose( f );
+    fclose(f);
 
-    if( i != rsa.MBEDTLS_PRIVATE(len) )
-    {
-        mbedtls_printf( "\n  ! Invalid RSA signature format\n\n" );
+    if (i != rsa.MBEDTLS_PRIVATE(len)) {
+        mbedtls_printf("\n  ! Invalid RSA signature format\n\n");
         goto exit;
     }
 
@@ -115,33 +111,32 @@
      * Compute the SHA-256 hash of the input file and
      * verify the signature
      */
-    mbedtls_printf( "\n  . Verifying the RSA/SHA-256 signature" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Verifying the RSA/SHA-256 signature");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_md_file(
-                    mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ),
-                    argv[1], hash ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not open or read %s\n\n", argv[1] );
+    if ((ret = mbedtls_md_file(
+             mbedtls_md_info_from_type(MBEDTLS_MD_SHA256),
+             argv[1], hash)) != 0) {
+        mbedtls_printf(" failed\n  ! Could not open or read %s\n\n", argv[1]);
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_pkcs1_verify( &rsa, MBEDTLS_MD_SHA256,
-                                          32, hash, buf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_rsa_pkcs1_verify returned -0x%0x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_rsa_pkcs1_verify(&rsa, MBEDTLS_MD_SHA256,
+                                        32, hash, buf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_rsa_pkcs1_verify returned -0x%0x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . OK (the signature is valid)\n\n" );
+    mbedtls_printf("\n  . OK (the signature is valid)\n\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_rsa_free( &rsa );
+    mbedtls_rsa_free(&rsa);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
           MBEDTLS_FS_IO */
diff --git a/programs/pkey/rsa_verify_pss.c b/programs/pkey/rsa_verify_pss.c
index 7dcccda..df61e47 100644
--- a/programs/pkey/rsa_verify_pss.c
+++ b/programs/pkey/rsa_verify_pss.c
@@ -25,13 +25,13 @@
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_SHA256_C) ||        \
     !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_FS_IO) ||    \
     !defined(MBEDTLS_CTR_DRBG_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_MD_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_RSA_C and/or MBEDTLS_SHA256_C and/or "
-           "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_CTR_DRBG_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_RSA_C and/or MBEDTLS_SHA256_C and/or "
+                   "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -44,7 +44,7 @@
 #include <string.h>
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int ret = 1;
@@ -55,88 +55,81 @@
     unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
     char filename[512];
 
-    mbedtls_pk_init( &pk );
+    mbedtls_pk_init(&pk);
 
-    if( argc != 3 )
-    {
-        mbedtls_printf( "usage: rsa_verify_pss <key_file> <filename>\n" );
+    if (argc != 3) {
+        mbedtls_printf("usage: rsa_verify_pss <key_file> <filename>\n");
 
 #if defined(_WIN32)
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
 #endif
 
         goto exit;
     }
 
-    mbedtls_printf( "\n  . Reading public key from '%s'", argv[1] );
-    fflush( stdout );
+    mbedtls_printf("\n  . Reading public key from '%s'", argv[1]);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_pk_parse_public_keyfile( &pk, argv[1] ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not read key from '%s'\n", argv[1] );
-        mbedtls_printf( "  ! mbedtls_pk_parse_public_keyfile returned %d\n\n", ret );
+    if ((ret = mbedtls_pk_parse_public_keyfile(&pk, argv[1])) != 0) {
+        mbedtls_printf(" failed\n  ! Could not read key from '%s'\n", argv[1]);
+        mbedtls_printf("  ! mbedtls_pk_parse_public_keyfile returned %d\n\n", ret);
         goto exit;
     }
 
-    if( !mbedtls_pk_can_do( &pk, MBEDTLS_PK_RSA ) )
-    {
-        mbedtls_printf( " failed\n  ! Key is not an RSA key\n" );
+    if (!mbedtls_pk_can_do(&pk, MBEDTLS_PK_RSA)) {
+        mbedtls_printf(" failed\n  ! Key is not an RSA key\n");
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_set_padding( mbedtls_pk_rsa( pk ),
-                                         MBEDTLS_RSA_PKCS_V21,
-                                         MBEDTLS_MD_SHA256 ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Invalid padding\n" );
+    if ((ret = mbedtls_rsa_set_padding(mbedtls_pk_rsa(pk),
+                                       MBEDTLS_RSA_PKCS_V21,
+                                       MBEDTLS_MD_SHA256)) != 0) {
+        mbedtls_printf(" failed\n  ! Invalid padding\n");
         goto exit;
     }
 
     /*
      * Extract the RSA signature from the file
      */
-    mbedtls_snprintf( filename, 512, "%s.sig", argv[2] );
+    mbedtls_snprintf(filename, 512, "%s.sig", argv[2]);
 
-    if( ( f = fopen( filename, "rb" ) ) == NULL )
-    {
-        mbedtls_printf( "\n  ! Could not open %s\n\n", filename );
+    if ((f = fopen(filename, "rb")) == NULL) {
+        mbedtls_printf("\n  ! Could not open %s\n\n", filename);
         goto exit;
     }
 
-    i = fread( buf, 1, MBEDTLS_MPI_MAX_SIZE, f );
+    i = fread(buf, 1, MBEDTLS_MPI_MAX_SIZE, f);
 
-    fclose( f );
+    fclose(f);
 
     /*
      * Compute the SHA-256 hash of the input file and
      * verify the signature
      */
-    mbedtls_printf( "\n  . Verifying the RSA/SHA-256 signature" );
-    fflush( stdout );
+    mbedtls_printf("\n  . Verifying the RSA/SHA-256 signature");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_md_file(
-                    mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ),
-                    argv[2], hash ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! Could not open or read %s\n\n", argv[2] );
+    if ((ret = mbedtls_md_file(
+             mbedtls_md_info_from_type(MBEDTLS_MD_SHA256),
+             argv[2], hash)) != 0) {
+        mbedtls_printf(" failed\n  ! Could not open or read %s\n\n", argv[2]);
         goto exit;
     }
 
-    if( ( ret = mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA256, hash, 0,
-                           buf, i ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_pk_verify returned %d\n\n", ret );
+    if ((ret = mbedtls_pk_verify(&pk, MBEDTLS_MD_SHA256, hash, 0,
+                                 buf, i)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_pk_verify returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( "\n  . OK (the signature is valid)\n\n" );
+    mbedtls_printf("\n  . OK (the signature is valid)\n\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_pk_free( &pk );
+    mbedtls_pk_free(&pk);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
           MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO */
diff --git a/programs/psa/aead_demo.c b/programs/psa/aead_demo.c
index 1efd132..0c2413e 100644
--- a/programs/psa/aead_demo.c
+++ b/programs/psa/aead_demo.c
@@ -57,20 +57,20 @@
     !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_GCM_C) || \
     !defined(MBEDTLS_CHACHAPOLY_C) || \
     defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_PSA_CRYPTO_C and/or "
-            "MBEDTLS_AES_C and/or MBEDTLS_GCM_C and/or "
-            "MBEDTLS_CHACHAPOLY_C not defined, and/or "
-            "MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined\r\n" );
-    return( 0 );
+    printf("MBEDTLS_PSA_CRYPTO_C and/or "
+           "MBEDTLS_AES_C and/or MBEDTLS_GCM_C and/or "
+           "MBEDTLS_CHACHAPOLY_C not defined, and/or "
+           "MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined\r\n");
+    return 0;
 }
 #else
 
 /* The real program starts here. */
 
 const char usage[] =
-"Usage: aead_demo [aes128-gcm|aes256-gcm|aes128-gcm_8|chachapoly]";
+    "Usage: aead_demo [aes128-gcm|aes256-gcm|aes128-gcm_8|chachapoly]";
 
 /* Dummy data for encryption: IV/nonce, additional data, 2-part message */
 const unsigned char iv1[12] = { 0x00 };
@@ -85,40 +85,41 @@
 const unsigned char msg2_part2[] = { 0x15, 0x16, 0x17 };
 
 /* Maximum total size of the messages */
-#define MSG1_SIZE ( sizeof( msg1_part1 ) + sizeof( msg1_part2 ) )
-#define MSG2_SIZE ( sizeof( msg2_part1 ) + sizeof( msg2_part2 ) )
-#define MSG_MAX_SIZE ( MSG1_SIZE > MSG2_SIZE ? MSG1_SIZE : MSG2_SIZE )
+#define MSG1_SIZE (sizeof(msg1_part1) + sizeof(msg1_part2))
+#define MSG2_SIZE (sizeof(msg2_part1) + sizeof(msg2_part2))
+#define MSG_MAX_SIZE (MSG1_SIZE > MSG2_SIZE ? MSG1_SIZE : MSG2_SIZE)
 
 /* Dummy key material - never do this in production!
  * 32-byte is enough to all the key size supported by this program. */
 const unsigned char key_bytes[32] = { 0x2a };
 
 /* Print the contents of a buffer in hex */
-void print_buf( const char *title, uint8_t *buf, size_t len )
+void print_buf(const char *title, uint8_t *buf, size_t len)
 {
-    printf( "%s:", title );
-    for( size_t i = 0; i < len; i++ )
-        printf( " %02x", buf[i] );
-    printf( "\n" );
+    printf("%s:", title);
+    for (size_t i = 0; i < len; i++) {
+        printf(" %02x", buf[i]);
+    }
+    printf("\n");
 }
 
 /* Run a PSA function and bail out if it fails.
  * The symbolic name of the error code can be recovered using:
  * programs/psa/psa_constant_name status <value> */
-#define PSA_CHECK( expr )                                       \
+#define PSA_CHECK(expr)                                       \
     do                                                          \
     {                                                           \
-        status = ( expr );                                      \
-        if( status != PSA_SUCCESS )                             \
+        status = (expr);                                      \
+        if (status != PSA_SUCCESS)                             \
         {                                                       \
-            printf( "Error %d at line %d: %s\n",                \
-                    (int) status,                               \
-                    __LINE__,                                   \
-                    #expr );                                    \
+            printf("Error %d at line %d: %s\n",                \
+                   (int) status,                               \
+                   __LINE__,                                   \
+                   #expr);                                    \
             goto exit;                                          \
         }                                                       \
     }                                                           \
-    while( 0 )
+    while (0)
 
 /*
  * Prepare encryption material:
@@ -126,48 +127,48 @@
  * - set up key
  * - outputs: key and algorithm, which together hold all the information
  */
-static psa_status_t aead_prepare( const char *info,
-                                  psa_key_id_t *key,
-                                  psa_algorithm_t *alg )
+static psa_status_t aead_prepare(const char *info,
+                                 psa_key_id_t *key,
+                                 psa_algorithm_t *alg)
 {
     psa_status_t status;
 
     /* Convert arg to alg + key_bits + key_type */
     size_t key_bits;
     psa_key_type_t key_type;
-    if( strcmp( info, "aes128-gcm" ) == 0 ) {
+    if (strcmp(info, "aes128-gcm") == 0) {
         *alg = PSA_ALG_GCM;
         key_bits = 128;
         key_type = PSA_KEY_TYPE_AES;
-    } else if( strcmp( info, "aes256-gcm" ) == 0 ) {
+    } else if (strcmp(info, "aes256-gcm") == 0) {
         *alg = PSA_ALG_GCM;
         key_bits = 256;
         key_type = PSA_KEY_TYPE_AES;
-    } else if( strcmp( info, "aes128-gcm_8" ) == 0 ) {
+    } else if (strcmp(info, "aes128-gcm_8") == 0) {
         *alg = PSA_ALG_AEAD_WITH_SHORTENED_TAG(PSA_ALG_GCM, 8);
         key_bits = 128;
         key_type = PSA_KEY_TYPE_AES;
-    } else if( strcmp( info, "chachapoly" ) == 0 ) {
+    } else if (strcmp(info, "chachapoly") == 0) {
         *alg = PSA_ALG_CHACHA20_POLY1305;
         key_bits = 256;
         key_type = PSA_KEY_TYPE_CHACHA20;
     } else {
-        puts( usage );
-        return( PSA_ERROR_INVALID_ARGUMENT );
+        puts(usage);
+        return PSA_ERROR_INVALID_ARGUMENT;
     }
 
     /* Prepare key attributes */
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
-    psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
-    psa_set_key_algorithm( &attributes, *alg );
-    psa_set_key_type( &attributes, key_type );
-    psa_set_key_bits( &attributes, key_bits ); // optional
+    psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+    psa_set_key_algorithm(&attributes, *alg);
+    psa_set_key_type(&attributes, key_type);
+    psa_set_key_bits(&attributes, key_bits);   // optional
 
     /* Import key */
-    PSA_CHECK( psa_import_key( &attributes, key_bytes, key_bits / 8, key ) );
+    PSA_CHECK(psa_import_key(&attributes, key_bytes, key_bits / 8, key));
 
 exit:
-    return( status );
+    return status;
 }
 
 /*
@@ -176,14 +177,14 @@
  * All of this information was present in the command line argument, but his
  * function demonstrates how each piece can be recovered from (key, alg).
  */
-static void aead_info( psa_key_id_t key, psa_algorithm_t alg )
+static void aead_info(psa_key_id_t key, psa_algorithm_t alg)
 {
     psa_key_attributes_t attr = PSA_KEY_ATTRIBUTES_INIT;
-    (void) psa_get_key_attributes( key, &attr );
-    psa_key_type_t key_type = psa_get_key_type( &attr );
-    size_t key_bits = psa_get_key_bits( &attr );
-    psa_algorithm_t base_alg = PSA_ALG_AEAD_WITH_DEFAULT_LENGTH_TAG( alg );
-    size_t tag_len = PSA_AEAD_TAG_LENGTH( key_type, key_bits, alg );
+    (void) psa_get_key_attributes(key, &attr);
+    psa_key_type_t key_type = psa_get_key_type(&attr);
+    size_t key_bits = psa_get_key_bits(&attr);
+    psa_algorithm_t base_alg = PSA_ALG_AEAD_WITH_DEFAULT_LENGTH_TAG(alg);
+    size_t tag_len = PSA_AEAD_TAG_LENGTH(key_type, key_bits, alg);
 
     const char *type_str = key_type == PSA_KEY_TYPE_AES ? "AES"
                          : key_type == PSA_KEY_TYPE_CHACHA20 ? "Chacha"
@@ -192,102 +193,101 @@
                          : base_alg == PSA_ALG_CHACHA20_POLY1305 ? "ChachaPoly"
                          : "???";
 
-    printf( "%s, %u, %s, %u\n",
-            type_str, (unsigned) key_bits, base_str, (unsigned) tag_len );
+    printf("%s, %u, %s, %u\n",
+           type_str, (unsigned) key_bits, base_str, (unsigned) tag_len);
 }
 
 /*
  * Encrypt a 2-part message.
  */
-static int aead_encrypt( psa_key_id_t key, psa_algorithm_t alg,
-        const unsigned char *iv, size_t iv_len,
-        const unsigned char *ad, size_t ad_len,
-        const unsigned char *part1, size_t part1_len,
-        const unsigned char *part2, size_t part2_len )
+static int aead_encrypt(psa_key_id_t key, psa_algorithm_t alg,
+                        const unsigned char *iv, size_t iv_len,
+                        const unsigned char *ad, size_t ad_len,
+                        const unsigned char *part1, size_t part1_len,
+                        const unsigned char *part2, size_t part2_len)
 {
     psa_status_t status;
     size_t olen, olen_tag;
     unsigned char out[PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE(MSG_MAX_SIZE)];
-    unsigned char *p = out, *end = out + sizeof( out );
+    unsigned char *p = out, *end = out + sizeof(out);
     unsigned char tag[PSA_AEAD_TAG_MAX_SIZE];
 
     psa_aead_operation_t op = PSA_AEAD_OPERATION_INIT;
-    PSA_CHECK( psa_aead_encrypt_setup( &op, key, alg ) );
+    PSA_CHECK(psa_aead_encrypt_setup(&op, key, alg));
 
-    PSA_CHECK( psa_aead_set_nonce( &op, iv, iv_len ) );
-    PSA_CHECK( psa_aead_update_ad( &op, ad, ad_len ) );
-    PSA_CHECK( psa_aead_update( &op, part1, part1_len, p, end - p, &olen ) );
+    PSA_CHECK(psa_aead_set_nonce(&op, iv, iv_len));
+    PSA_CHECK(psa_aead_update_ad(&op, ad, ad_len));
+    PSA_CHECK(psa_aead_update(&op, part1, part1_len, p, end - p, &olen));
     p += olen;
-    PSA_CHECK( psa_aead_update( &op, part2, part2_len, p, end - p, &olen ) );
+    PSA_CHECK(psa_aead_update(&op, part2, part2_len, p, end - p, &olen));
     p += olen;
-    PSA_CHECK( psa_aead_finish( &op, p, end - p, &olen,
-                               tag, sizeof( tag ), &olen_tag ) );
+    PSA_CHECK(psa_aead_finish(&op, p, end - p, &olen,
+                              tag, sizeof(tag), &olen_tag));
     p += olen;
-    memcpy( p, tag, olen_tag );
+    memcpy(p, tag, olen_tag);
     p += olen_tag;
 
     olen = p - out;
-    print_buf( "out", out, olen );
+    print_buf("out", out, olen);
 
 exit:
-    psa_aead_abort( &op ); // required on errors, harmless on success
-    return( status );
+    psa_aead_abort(&op);   // required on errors, harmless on success
+    return status;
 }
 
 /*
  * AEAD demo: set up key/alg, print out info, encrypt messages.
  */
-static psa_status_t aead_demo( const char *info )
+static psa_status_t aead_demo(const char *info)
 {
     psa_status_t status;
 
     psa_key_id_t key;
     psa_algorithm_t alg;
 
-    PSA_CHECK( aead_prepare( info, &key, &alg ) );
+    PSA_CHECK(aead_prepare(info, &key, &alg));
 
-    aead_info( key, alg );
+    aead_info(key, alg);
 
-    PSA_CHECK( aead_encrypt( key, alg,
-                       iv1, sizeof( iv1 ), add_data1, sizeof( add_data1 ),
-                       msg1_part1, sizeof( msg1_part1 ),
-                       msg1_part2, sizeof( msg1_part2 ) ) );
-    PSA_CHECK( aead_encrypt( key, alg,
-                       iv2, sizeof( iv2 ), add_data2, sizeof( add_data2 ),
-                       msg2_part1, sizeof( msg2_part1 ),
-                       msg2_part2, sizeof( msg2_part2 ) ) );
+    PSA_CHECK(aead_encrypt(key, alg,
+                           iv1, sizeof(iv1), add_data1, sizeof(add_data1),
+                           msg1_part1, sizeof(msg1_part1),
+                           msg1_part2, sizeof(msg1_part2)));
+    PSA_CHECK(aead_encrypt(key, alg,
+                           iv2, sizeof(iv2), add_data2, sizeof(add_data2),
+                           msg2_part1, sizeof(msg2_part1),
+                           msg2_part2, sizeof(msg2_part2)));
 
 exit:
-    psa_destroy_key( key );
+    psa_destroy_key(key);
 
-    return( status );
+    return status;
 }
 
 /*
  * Main function
  */
-int main( int argc, char **argv )
+int main(int argc, char **argv)
 {
     psa_status_t status = PSA_SUCCESS;
 
     /* Check usage */
-    if( argc != 2 )
-    {
-        puts( usage );
-        return( EXIT_FAILURE );
+    if (argc != 2) {
+        puts(usage);
+        return EXIT_FAILURE;
     }
 
     /* Initialize the PSA crypto library. */
-    PSA_CHECK( psa_crypto_init( ) );
+    PSA_CHECK(psa_crypto_init());
 
     /* Run the demo */
-    PSA_CHECK( aead_demo( argv[1] ) );
+    PSA_CHECK(aead_demo(argv[1]));
 
     /* Deinitialize the PSA crypto library. */
-    mbedtls_psa_crypto_free( );
+    mbedtls_psa_crypto_free();
 
 exit:
-    return( status == PSA_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE );
+    return status == PSA_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
 #endif
diff --git a/programs/psa/crypto_examples.c b/programs/psa/crypto_examples.c
index 935d657..3f109d8 100644
--- a/programs/psa/crypto_examples.c
+++ b/programs/psa/crypto_examples.c
@@ -20,146 +20,145 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#define ASSERT( predicate )                                                   \
+#define ASSERT(predicate)                                                   \
     do                                                                        \
     {                                                                         \
-        if( ! ( predicate ) )                                                 \
+        if (!(predicate))                                                 \
         {                                                                     \
-            printf( "\tassertion failed at %s:%d - '%s'\r\n",         \
-                    __FILE__, __LINE__, #predicate);                  \
+            printf("\tassertion failed at %s:%d - '%s'\r\n",         \
+                   __FILE__, __LINE__, #predicate);                  \
             goto exit;                                                        \
         }                                                                     \
-    } while ( 0 )
+    } while (0)
 
-#define ASSERT_STATUS( actual, expected )                                     \
+#define ASSERT_STATUS(actual, expected)                                     \
     do                                                                        \
     {                                                                         \
-        if( ( actual ) != ( expected ) )                                      \
+        if ((actual) != (expected))                                      \
         {                                                                     \
-            printf( "\tassertion failed at %s:%d - "                  \
-                    "actual:%d expected:%d\r\n", __FILE__, __LINE__,  \
-                            (psa_status_t) actual, (psa_status_t) expected ); \
+            printf("\tassertion failed at %s:%d - "                  \
+                   "actual:%d expected:%d\r\n", __FILE__, __LINE__,  \
+                   (psa_status_t) actual, (psa_status_t) expected); \
             goto exit;                                                        \
         }                                                                     \
-    } while ( 0 )
+    } while (0)
 
 #if !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(MBEDTLS_AES_C) || \
     !defined(MBEDTLS_CIPHER_MODE_CBC) || !defined(MBEDTLS_CIPHER_MODE_CTR) || \
     !defined(MBEDTLS_CIPHER_MODE_WITH_PADDING) || \
     defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_AES_C and/or "
-            "MBEDTLS_CIPHER_MODE_CBC and/or MBEDTLS_CIPHER_MODE_CTR "
-            "and/or MBEDTLS_CIPHER_MODE_WITH_PADDING "
-            "not defined and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER"
-            " defined.\r\n" );
-    return( 0 );
+    printf("MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_AES_C and/or "
+           "MBEDTLS_CIPHER_MODE_CBC and/or MBEDTLS_CIPHER_MODE_CTR "
+           "and/or MBEDTLS_CIPHER_MODE_WITH_PADDING "
+           "not defined and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER"
+           " defined.\r\n");
+    return 0;
 }
 #else
 
-static psa_status_t cipher_operation( psa_cipher_operation_t *operation,
-                                      const uint8_t * input,
-                                      size_t input_size,
-                                      size_t part_size,
-                                      uint8_t * output,
-                                      size_t output_size,
-                                      size_t *output_len )
+static psa_status_t cipher_operation(psa_cipher_operation_t *operation,
+                                     const uint8_t *input,
+                                     size_t input_size,
+                                     size_t part_size,
+                                     uint8_t *output,
+                                     size_t output_size,
+                                     size_t *output_len)
 {
     psa_status_t status;
     size_t bytes_to_write = 0, bytes_written = 0, len = 0;
 
     *output_len = 0;
-    while( bytes_written != input_size )
-    {
-        bytes_to_write = ( input_size - bytes_written > part_size ?
-                           part_size :
-                           input_size - bytes_written );
+    while (bytes_written != input_size) {
+        bytes_to_write = (input_size - bytes_written > part_size ?
+                          part_size :
+                          input_size - bytes_written);
 
-        status = psa_cipher_update( operation, input + bytes_written,
-                                    bytes_to_write, output + *output_len,
-                                    output_size - *output_len, &len );
-        ASSERT_STATUS( status, PSA_SUCCESS );
+        status = psa_cipher_update(operation, input + bytes_written,
+                                   bytes_to_write, output + *output_len,
+                                   output_size - *output_len, &len);
+        ASSERT_STATUS(status, PSA_SUCCESS);
 
         bytes_written += bytes_to_write;
         *output_len += len;
     }
 
-    status = psa_cipher_finish( operation, output + *output_len,
-                                output_size - *output_len, &len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_cipher_finish(operation, output + *output_len,
+                               output_size - *output_len, &len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
     *output_len += len;
 
 exit:
-    return( status );
+    return status;
 }
 
-static psa_status_t cipher_encrypt( psa_key_id_t key,
-                                    psa_algorithm_t alg,
-                                    uint8_t * iv,
-                                    size_t iv_size,
-                                    const uint8_t * input,
-                                    size_t input_size,
-                                    size_t part_size,
-                                    uint8_t * output,
-                                    size_t output_size,
-                                    size_t *output_len )
+static psa_status_t cipher_encrypt(psa_key_id_t key,
+                                   psa_algorithm_t alg,
+                                   uint8_t *iv,
+                                   size_t iv_size,
+                                   const uint8_t *input,
+                                   size_t input_size,
+                                   size_t part_size,
+                                   uint8_t *output,
+                                   size_t output_size,
+                                   size_t *output_len)
 {
     psa_status_t status;
     psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
     size_t iv_len = 0;
 
-    memset( &operation, 0, sizeof( operation ) );
-    status = psa_cipher_encrypt_setup( &operation, key, alg );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    memset(&operation, 0, sizeof(operation));
+    status = psa_cipher_encrypt_setup(&operation, key, alg);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = psa_cipher_generate_iv( &operation, iv, iv_size, &iv_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_cipher_generate_iv(&operation, iv, iv_size, &iv_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_operation( &operation, input, input_size, part_size,
-                               output, output_size, output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_operation(&operation, input, input_size, part_size,
+                              output, output_size, output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_cipher_abort( &operation );
-    return( status );
+    psa_cipher_abort(&operation);
+    return status;
 }
 
-static psa_status_t cipher_decrypt( psa_key_id_t key,
-                                    psa_algorithm_t alg,
-                                    const uint8_t * iv,
-                                    size_t iv_size,
-                                    const uint8_t * input,
-                                    size_t input_size,
-                                    size_t part_size,
-                                    uint8_t * output,
-                                    size_t output_size,
-                                    size_t *output_len )
+static psa_status_t cipher_decrypt(psa_key_id_t key,
+                                   psa_algorithm_t alg,
+                                   const uint8_t *iv,
+                                   size_t iv_size,
+                                   const uint8_t *input,
+                                   size_t input_size,
+                                   size_t part_size,
+                                   uint8_t *output,
+                                   size_t output_size,
+                                   size_t *output_len)
 {
     psa_status_t status;
     psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
 
-    memset( &operation, 0, sizeof( operation ) );
-    status = psa_cipher_decrypt_setup( &operation, key, alg );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    memset(&operation, 0, sizeof(operation));
+    status = psa_cipher_decrypt_setup(&operation, key, alg);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = psa_cipher_set_iv( &operation, iv, iv_size );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_cipher_set_iv(&operation, iv, iv_size);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_operation( &operation, input, input_size, part_size,
-                               output, output_size, output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_operation(&operation, input, input_size, part_size,
+                              output, output_size, output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_cipher_abort( &operation );
-    return( status );
+    psa_cipher_abort(&operation);
+    return status;
 }
 
 static psa_status_t
-cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block( void )
+cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block(void)
 {
     enum {
-        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
+        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH(PSA_KEY_TYPE_AES),
         key_bits = 256,
         part_size = block_size,
     };
@@ -174,40 +173,40 @@
     uint8_t encrypt[block_size];
     uint8_t decrypt[block_size];
 
-    status = psa_generate_random( input, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_random(input, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    psa_set_key_usage_flags( &attributes,
-                             PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
-    psa_set_key_algorithm( &attributes, alg );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
-    psa_set_key_bits( &attributes, key_bits );
+    psa_set_key_usage_flags(&attributes,
+                            PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+    psa_set_key_bits(&attributes, key_bits);
 
-    status = psa_generate_key( &attributes, &key );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_key(&attributes, &key);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_encrypt( key, alg, iv, sizeof( iv ),
-                             input, sizeof( input ), part_size,
-                             encrypt, sizeof( encrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_encrypt(key, alg, iv, sizeof(iv),
+                            input, sizeof(input), part_size,
+                            encrypt, sizeof(encrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_decrypt( key, alg, iv, sizeof( iv ),
-                             encrypt, output_len, part_size,
-                             decrypt, sizeof( decrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_decrypt(key, alg, iv, sizeof(iv),
+                            encrypt, output_len, part_size,
+                            decrypt, sizeof(decrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = memcmp( input, decrypt, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = memcmp(input, decrypt, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_destroy_key( key );
-    return( status );
+    psa_destroy_key(key);
+    return status;
 }
 
-static psa_status_t cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi( void )
+static psa_status_t cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi(void)
 {
     enum {
-        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
+        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH(PSA_KEY_TYPE_AES),
         key_bits = 256,
         input_size = 100,
         part_size = 10,
@@ -222,40 +221,40 @@
     uint8_t iv[block_size], input[input_size],
             encrypt[input_size + block_size], decrypt[input_size + block_size];
 
-    status = psa_generate_random( input, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_random(input, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    psa_set_key_usage_flags( &attributes,
-                             PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
-    psa_set_key_algorithm( &attributes, alg );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
-    psa_set_key_bits( &attributes, key_bits );
+    psa_set_key_usage_flags(&attributes,
+                            PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+    psa_set_key_bits(&attributes, key_bits);
 
-    status = psa_generate_key( &attributes, &key );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_key(&attributes, &key);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_encrypt( key, alg, iv, sizeof( iv ),
-                             input, sizeof( input ), part_size,
-                             encrypt, sizeof( encrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_encrypt(key, alg, iv, sizeof(iv),
+                            input, sizeof(input), part_size,
+                            encrypt, sizeof(encrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_decrypt( key, alg, iv, sizeof( iv ),
-                             encrypt, output_len, part_size,
-                             decrypt, sizeof( decrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_decrypt(key, alg, iv, sizeof(iv),
+                            encrypt, output_len, part_size,
+                            decrypt, sizeof(decrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = memcmp( input, decrypt, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = memcmp(input, decrypt, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_destroy_key( key );
-    return( status );
+    psa_destroy_key(key);
+    return status;
 }
 
-static psa_status_t cipher_example_encrypt_decrypt_aes_ctr_multi( void )
+static psa_status_t cipher_example_encrypt_decrypt_aes_ctr_multi(void)
 {
     enum {
-        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
+        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH(PSA_KEY_TYPE_AES),
         key_bits = 256,
         input_size = 100,
         part_size = 10,
@@ -269,63 +268,66 @@
     uint8_t iv[block_size], input[input_size], encrypt[input_size],
             decrypt[input_size];
 
-    status = psa_generate_random( input, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_random(input, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    psa_set_key_usage_flags( &attributes,
-                             PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
-    psa_set_key_algorithm( &attributes, alg );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
-    psa_set_key_bits( &attributes, key_bits );
+    psa_set_key_usage_flags(&attributes,
+                            PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+    psa_set_key_bits(&attributes, key_bits);
 
-    status = psa_generate_key( &attributes, &key );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_key(&attributes, &key);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_encrypt( key, alg, iv, sizeof( iv ),
-                             input, sizeof( input ), part_size,
-                             encrypt, sizeof( encrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_encrypt(key, alg, iv, sizeof(iv),
+                            input, sizeof(input), part_size,
+                            encrypt, sizeof(encrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_decrypt( key, alg, iv, sizeof( iv ),
-                             encrypt, output_len, part_size,
-                             decrypt, sizeof( decrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_decrypt(key, alg, iv, sizeof(iv),
+                            encrypt, output_len, part_size,
+                            decrypt, sizeof(decrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = memcmp( input, decrypt, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = memcmp(input, decrypt, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_destroy_key( key );
-    return( status );
+    psa_destroy_key(key);
+    return status;
 }
 
-static void cipher_examples( void )
+static void cipher_examples(void)
 {
     psa_status_t status;
 
-    printf( "cipher encrypt/decrypt AES CBC no padding:\r\n" );
-    status = cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block( );
-    if( status == PSA_SUCCESS )
-        printf( "\tsuccess!\r\n" );
+    printf("cipher encrypt/decrypt AES CBC no padding:\r\n");
+    status = cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block();
+    if (status == PSA_SUCCESS) {
+        printf("\tsuccess!\r\n");
+    }
 
-    printf( "cipher encrypt/decrypt AES CBC PKCS7 multipart:\r\n" );
-    status = cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi( );
-    if( status == PSA_SUCCESS )
-        printf( "\tsuccess!\r\n" );
+    printf("cipher encrypt/decrypt AES CBC PKCS7 multipart:\r\n");
+    status = cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi();
+    if (status == PSA_SUCCESS) {
+        printf("\tsuccess!\r\n");
+    }
 
-    printf( "cipher encrypt/decrypt AES CTR multipart:\r\n" );
-    status = cipher_example_encrypt_decrypt_aes_ctr_multi( );
-    if( status == PSA_SUCCESS )
-        printf( "\tsuccess!\r\n" );
+    printf("cipher encrypt/decrypt AES CTR multipart:\r\n");
+    status = cipher_example_encrypt_decrypt_aes_ctr_multi();
+    if (status == PSA_SUCCESS) {
+        printf("\tsuccess!\r\n");
+    }
 }
 
-int main( void )
+int main(void)
 {
-    ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
-    cipher_examples( );
+    ASSERT(psa_crypto_init() == PSA_SUCCESS);
+    cipher_examples();
 exit:
-    mbedtls_psa_crypto_free( );
-    return( 0 );
+    mbedtls_psa_crypto_free();
+    return 0;
 }
 #endif /* MBEDTLS_PSA_CRYPTO_C && MBEDTLS_AES_C && MBEDTLS_CIPHER_MODE_CBC &&
           MBEDTLS_CIPHER_MODE_CTR && MBEDTLS_CIPHER_MODE_WITH_PADDING */
diff --git a/programs/psa/hmac_demo.c b/programs/psa/hmac_demo.c
index f949a89..f25cdeb 100644
--- a/programs/psa/hmac_demo.c
+++ b/programs/psa/hmac_demo.c
@@ -50,11 +50,11 @@
 /* If the build options we need are not enabled, compile a placeholder. */
 #if !defined(MBEDTLS_PSA_CRYPTO_C) || \
     defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_PSA_CRYPTO_C not defined, "
-            "and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined\r\n" );
-    return( 0 );
+    printf("MBEDTLS_PSA_CRYPTO_C not defined, "
+           "and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined\r\n");
+    return 0;
 }
 #else
 
@@ -71,31 +71,32 @@
 const unsigned char key_bytes[32] = { 0 };
 
 /* Print the contents of a buffer in hex */
-void print_buf( const char *title, uint8_t *buf, size_t len )
+void print_buf(const char *title, uint8_t *buf, size_t len)
 {
-    printf( "%s:", title );
-    for( size_t i = 0; i < len; i++ )
-        printf( " %02x", buf[i] );
-    printf( "\n" );
+    printf("%s:", title);
+    for (size_t i = 0; i < len; i++) {
+        printf(" %02x", buf[i]);
+    }
+    printf("\n");
 }
 
 /* Run a PSA function and bail out if it fails.
  * The symbolic name of the error code can be recovered using:
  * programs/psa/psa_constant_name status <value> */
-#define PSA_CHECK( expr )                                       \
+#define PSA_CHECK(expr)                                       \
     do                                                          \
     {                                                           \
-        status = ( expr );                                      \
-        if( status != PSA_SUCCESS )                             \
+        status = (expr);                                      \
+        if (status != PSA_SUCCESS)                             \
         {                                                       \
-            printf( "Error %d at line %d: %s\n",                \
-                    (int) status,                               \
-                    __LINE__,                                   \
-                    #expr );                                    \
+            printf("Error %d at line %d: %s\n",                \
+                   (int) status,                               \
+                   __LINE__,                                   \
+                   #expr);                                    \
             goto exit;                                          \
         }                                                       \
     }                                                           \
-    while( 0 )
+    while (0)
 
 /*
  * This function demonstrates computation of the HMAC of two messages using
@@ -113,40 +114,41 @@
     psa_key_id_t key = 0;
 
     /* prepare key */
-    psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN_MESSAGE );
-    psa_set_key_algorithm( &attributes, alg );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_HMAC );
-    psa_set_key_bits( &attributes, 8 * sizeof( key_bytes ) ); // optional
+    psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_MESSAGE);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_HMAC);
+    psa_set_key_bits(&attributes, 8 * sizeof(key_bytes));     // optional
 
-    status = psa_import_key( &attributes,
-                             key_bytes, sizeof( key_bytes ), &key );
-    if( status != PSA_SUCCESS )
-        return( status );
+    status = psa_import_key(&attributes,
+                            key_bytes, sizeof(key_bytes), &key);
+    if (status != PSA_SUCCESS) {
+        return status;
+    }
 
     /* prepare operation */
     psa_mac_operation_t op = PSA_MAC_OPERATION_INIT;
     size_t out_len = 0;
 
     /* compute HMAC(key, msg1_part1 | msg1_part2) */
-    PSA_CHECK( psa_mac_sign_setup( &op, key, alg ) );
-    PSA_CHECK( psa_mac_update( &op, msg1_part1, sizeof( msg1_part1 ) ) );
-    PSA_CHECK( psa_mac_update( &op, msg1_part2, sizeof( msg1_part2 ) ) );
-    PSA_CHECK( psa_mac_sign_finish( &op, out, sizeof( out ), &out_len ) );
-    print_buf( "msg1", out, out_len );
+    PSA_CHECK(psa_mac_sign_setup(&op, key, alg));
+    PSA_CHECK(psa_mac_update(&op, msg1_part1, sizeof(msg1_part1)));
+    PSA_CHECK(psa_mac_update(&op, msg1_part2, sizeof(msg1_part2)));
+    PSA_CHECK(psa_mac_sign_finish(&op, out, sizeof(out), &out_len));
+    print_buf("msg1", out, out_len);
 
     /* compute HMAC(key, msg2_part1 | msg2_part2) */
-    PSA_CHECK( psa_mac_sign_setup( &op, key, alg ) );
-    PSA_CHECK( psa_mac_update( &op, msg2_part1, sizeof( msg2_part1 ) ) );
-    PSA_CHECK( psa_mac_update( &op, msg2_part2, sizeof( msg2_part2 ) ) );
-    PSA_CHECK( psa_mac_sign_finish( &op, out, sizeof( out ), &out_len ) );
-    print_buf( "msg2", out, out_len );
+    PSA_CHECK(psa_mac_sign_setup(&op, key, alg));
+    PSA_CHECK(psa_mac_update(&op, msg2_part1, sizeof(msg2_part1)));
+    PSA_CHECK(psa_mac_update(&op, msg2_part2, sizeof(msg2_part2)));
+    PSA_CHECK(psa_mac_sign_finish(&op, out, sizeof(out), &out_len));
+    print_buf("msg2", out, out_len);
 
 exit:
-    psa_mac_abort( &op ); // needed on error, harmless on success
-    psa_destroy_key( key );
-    mbedtls_platform_zeroize( out, sizeof( out ) );
+    psa_mac_abort(&op);   // needed on error, harmless on success
+    psa_destroy_key(key);
+    mbedtls_platform_zeroize(out, sizeof(out));
 
-    return( status );
+    return status;
 }
 
 int main(void)
@@ -154,16 +156,16 @@
     psa_status_t status = PSA_SUCCESS;
 
     /* Initialize the PSA crypto library. */
-    PSA_CHECK( psa_crypto_init( ) );
+    PSA_CHECK(psa_crypto_init());
 
     /* Run the demo */
-    PSA_CHECK( hmac_demo() );
+    PSA_CHECK(hmac_demo());
 
     /* Deinitialize the PSA crypto library. */
-    mbedtls_psa_crypto_free( );
+    mbedtls_psa_crypto_free();
 
 exit:
-    return( status == PSA_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE );
+    return status == PSA_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
 #endif
diff --git a/programs/psa/key_ladder_demo.c b/programs/psa/key_ladder_demo.c
index f40874e..f5c31de 100644
--- a/programs/psa/key_ladder_demo.c
+++ b/programs/psa/key_ladder_demo.c
@@ -66,47 +66,47 @@
     !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_CCM_C) ||        \
     !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(MBEDTLS_FS_IO) || \
     defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_SHA256_C and/or MBEDTLS_MD_C and/or "
-            "MBEDTLS_AES_C and/or MBEDTLS_CCM_C and/or "
-            "MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_FS_IO "
-            "not defined and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER "
-            "defined.\n" );
-    return( 0 );
+    printf("MBEDTLS_SHA256_C and/or MBEDTLS_MD_C and/or "
+           "MBEDTLS_AES_C and/or MBEDTLS_CCM_C and/or "
+           "MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_FS_IO "
+           "not defined and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER "
+           "defined.\n");
+    return 0;
 }
 #else
 
 /* The real program starts here. */
 
 /* Run a system function and bail out if it fails. */
-#define SYS_CHECK( expr )                                       \
+#define SYS_CHECK(expr)                                       \
     do                                                          \
     {                                                           \
-        if( ! ( expr ) )                                        \
+        if (!(expr))                                        \
         {                                                       \
-            perror( #expr );                                    \
+            perror( #expr);                                    \
             status = DEMO_ERROR;                                \
             goto exit;                                          \
         }                                                       \
     }                                                           \
-    while( 0 )
+    while (0)
 
 /* Run a PSA function and bail out if it fails. */
-#define PSA_CHECK( expr )                                       \
+#define PSA_CHECK(expr)                                       \
     do                                                          \
     {                                                           \
-        status = ( expr );                                      \
-        if( status != PSA_SUCCESS )                             \
+        status = (expr);                                      \
+        if (status != PSA_SUCCESS)                             \
         {                                                       \
-            printf( "Error %d at line %d: %s\n",                \
-                    (int) status,                               \
-                    __LINE__,                                   \
-                    #expr );                                    \
+            printf("Error %d at line %d: %s\n",                \
+                   (int) status,                               \
+                   __LINE__,                                   \
+                   #expr);                                    \
             goto exit;                                          \
         }                                                       \
     }                                                           \
-    while( 0 )
+    while (0)
 
 /* To report operational errors in this program, use an error code that is
  * different from every PSA error code. */
@@ -116,19 +116,19 @@
 #define MAX_LADDER_DEPTH 10
 
 /* Salt to use when deriving an intermediate key. */
-#define DERIVE_KEY_SALT ( (uint8_t *) "key_ladder_demo.derive" )
-#define DERIVE_KEY_SALT_LENGTH ( strlen( (const char*) DERIVE_KEY_SALT ) )
+#define DERIVE_KEY_SALT ((uint8_t *) "key_ladder_demo.derive")
+#define DERIVE_KEY_SALT_LENGTH (strlen((const char *) DERIVE_KEY_SALT))
 
 /* Salt to use when deriving a wrapping key. */
-#define WRAPPING_KEY_SALT ( (uint8_t *) "key_ladder_demo.wrap" )
-#define WRAPPING_KEY_SALT_LENGTH ( strlen( (const char*) WRAPPING_KEY_SALT ) )
+#define WRAPPING_KEY_SALT ((uint8_t *) "key_ladder_demo.wrap")
+#define WRAPPING_KEY_SALT_LENGTH (strlen((const char *) WRAPPING_KEY_SALT))
 
 /* Size of the key derivation keys (applies both to the master key and
  * to intermediate keys). */
 #define KEY_SIZE_BYTES 40
 
 /* Algorithm for key derivation. */
-#define KDF_ALG PSA_ALG_HKDF( PSA_ALG_SHA_256 )
+#define KDF_ALG PSA_ALG_HKDF(PSA_ALG_SHA_256)
 
 /* Type and size of the key used to wrap data. */
 #define WRAPPING_KEY_TYPE PSA_KEY_TYPE_AES
@@ -145,9 +145,8 @@
  * integer sizes and endianness, because the data is meant to be read
  * back by the same program on the same machine. */
 #define WRAPPED_DATA_MAGIC "key_ladder_demo" // including trailing null byte
-#define WRAPPED_DATA_MAGIC_LENGTH ( sizeof( WRAPPED_DATA_MAGIC ) )
-typedef struct
-{
+#define WRAPPED_DATA_MAGIC_LENGTH (sizeof(WRAPPED_DATA_MAGIC))
+typedef struct {
     char magic[WRAPPED_DATA_MAGIC_LENGTH];
     size_t ad_size; /* Size of the additional data, which is this header. */
     size_t payload_size; /* Size of the encrypted data. */
@@ -156,8 +155,7 @@
 } wrapped_data_header_t;
 
 /* The modes that this program can operate in (see usage). */
-enum program_mode
-{
+enum program_mode {
     MODE_GENERATE,
     MODE_SAVE,
     MODE_UNWRAP,
@@ -166,28 +164,29 @@
 
 /* Save a key to a file. In the real world, you may want to export a derived
  * key sometimes, to share it with another party. */
-static psa_status_t save_key( psa_key_id_t key,
-                              const char *output_file_name )
+static psa_status_t save_key(psa_key_id_t key,
+                             const char *output_file_name)
 {
     psa_status_t status = PSA_SUCCESS;
     uint8_t key_data[KEY_SIZE_BYTES];
     size_t key_size;
     FILE *key_file = NULL;
 
-    PSA_CHECK( psa_export_key( key,
-                               key_data, sizeof( key_data ),
-                               &key_size ) );
-    SYS_CHECK( ( key_file = fopen( output_file_name, "wb" ) ) != NULL );
+    PSA_CHECK(psa_export_key(key,
+                             key_data, sizeof(key_data),
+                             &key_size));
+    SYS_CHECK((key_file = fopen(output_file_name, "wb")) != NULL);
     /* Ensure no stdio buffering of secrets, as such buffers cannot be wiped. */
-    mbedtls_setbuf( key_file, NULL );
-    SYS_CHECK( fwrite( key_data, 1, key_size, key_file ) == key_size );
-    SYS_CHECK( fclose( key_file ) == 0 );
+    mbedtls_setbuf(key_file, NULL);
+    SYS_CHECK(fwrite(key_data, 1, key_size, key_file) == key_size);
+    SYS_CHECK(fclose(key_file) == 0);
     key_file = NULL;
 
 exit:
-    if( key_file != NULL)
-        fclose( key_file );
-    return( status );
+    if (key_file != NULL) {
+        fclose(key_file);
+    }
+    return status;
 }
 
 /* Generate a master key for use in this demo.
@@ -195,25 +194,25 @@
  * Normally a master key would be non-exportable. For the purpose of this
  * demo, we want to save it to a file, to avoid relying on the keystore
  * capability of the PSA crypto library. */
-static psa_status_t generate( const char *key_file_name )
+static psa_status_t generate(const char *key_file_name)
 {
     psa_status_t status = PSA_SUCCESS;
     psa_key_id_t key = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-    psa_set_key_usage_flags( &attributes,
-                             PSA_KEY_USAGE_DERIVE | PSA_KEY_USAGE_EXPORT );
-    psa_set_key_algorithm( &attributes, KDF_ALG );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_DERIVE );
-    psa_set_key_bits( &attributes, PSA_BYTES_TO_BITS( KEY_SIZE_BYTES ) );
+    psa_set_key_usage_flags(&attributes,
+                            PSA_KEY_USAGE_DERIVE | PSA_KEY_USAGE_EXPORT);
+    psa_set_key_algorithm(&attributes, KDF_ALG);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_DERIVE);
+    psa_set_key_bits(&attributes, PSA_BYTES_TO_BITS(KEY_SIZE_BYTES));
 
-    PSA_CHECK( psa_generate_key( &attributes, &key ) );
+    PSA_CHECK(psa_generate_key(&attributes, &key));
 
-    PSA_CHECK( save_key( key, key_file_name ) );
+    PSA_CHECK(save_key(key, key_file_name));
 
 exit:
-    (void) psa_destroy_key( key );
-    return( status );
+    (void) psa_destroy_key(key);
+    return status;
 }
 
 /* Load the master key from a file.
@@ -221,10 +220,10 @@
  * In the real world, this master key would be stored in an internal memory
  * and the storage would be managed by the keystore capability of the PSA
  * crypto library. */
-static psa_status_t import_key_from_file( psa_key_usage_t usage,
-                                          psa_algorithm_t alg,
-                                          const char *key_file_name,
-                                          psa_key_id_t *master_key )
+static psa_status_t import_key_from_file(psa_key_usage_t usage,
+                                         psa_algorithm_t alg,
+                                         const char *key_file_name,
+                                         psa_key_id_t *master_key)
 {
     psa_status_t status = PSA_SUCCESS;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -233,38 +232,37 @@
     FILE *key_file = NULL;
     unsigned char extra_byte;
 
-    SYS_CHECK( ( key_file = fopen( key_file_name, "rb" ) ) != NULL );
+    SYS_CHECK((key_file = fopen(key_file_name, "rb")) != NULL);
     /* Ensure no stdio buffering of secrets, as such buffers cannot be wiped. */
-    mbedtls_setbuf( key_file, NULL );
-    SYS_CHECK( ( key_size = fread( key_data, 1, sizeof( key_data ),
-                                   key_file ) ) != 0 );
-    if( fread( &extra_byte, 1, 1, key_file ) != 0 )
-    {
-        printf( "Key file too large (max: %u).\n",
-                (unsigned) sizeof( key_data ) );
+    mbedtls_setbuf(key_file, NULL);
+    SYS_CHECK((key_size = fread(key_data, 1, sizeof(key_data),
+                                key_file)) != 0);
+    if (fread(&extra_byte, 1, 1, key_file) != 0) {
+        printf("Key file too large (max: %u).\n",
+               (unsigned) sizeof(key_data));
         status = DEMO_ERROR;
         goto exit;
     }
-    SYS_CHECK( fclose( key_file ) == 0 );
+    SYS_CHECK(fclose(key_file) == 0);
     key_file = NULL;
 
-    psa_set_key_usage_flags( &attributes, usage );
-    psa_set_key_algorithm( &attributes, alg );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_DERIVE );
-    PSA_CHECK( psa_import_key( &attributes, key_data, key_size, master_key ) );
+    psa_set_key_usage_flags(&attributes, usage);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_DERIVE);
+    PSA_CHECK(psa_import_key(&attributes, key_data, key_size, master_key));
 exit:
-    if( key_file != NULL )
-        fclose( key_file );
-    mbedtls_platform_zeroize( key_data, sizeof( key_data ) );
-    if( status != PSA_SUCCESS )
-    {
+    if (key_file != NULL) {
+        fclose(key_file);
+    }
+    mbedtls_platform_zeroize(key_data, sizeof(key_data));
+    if (status != PSA_SUCCESS) {
         /* If the key creation hasn't happened yet or has failed,
          * *master_key is null. psa_destroy_key( 0 ) is
          * guaranteed to do nothing and return PSA_SUCCESS. */
-        (void) psa_destroy_key( *master_key );
+        (void) psa_destroy_key(*master_key);
         *master_key = 0;
     }
-    return( status );
+    return status;
 }
 
 /* Derive the intermediate keys, using the list of labels provided on
@@ -272,60 +270,58 @@
  * This function destroys the master key. On successful output, *key
  * is the identifier of the final derived key.
  */
-static psa_status_t derive_key_ladder( const char *ladder[],
-                                       size_t ladder_depth,
-                                       psa_key_id_t *key )
+static psa_status_t derive_key_ladder(const char *ladder[],
+                                      size_t ladder_depth,
+                                      psa_key_id_t *key)
 {
     psa_status_t status = PSA_SUCCESS;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
     psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
     size_t i;
 
-    psa_set_key_usage_flags( &attributes,
-                             PSA_KEY_USAGE_DERIVE | PSA_KEY_USAGE_EXPORT );
-    psa_set_key_algorithm( &attributes, KDF_ALG );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_DERIVE );
-    psa_set_key_bits( &attributes, PSA_BYTES_TO_BITS( KEY_SIZE_BYTES ) );
+    psa_set_key_usage_flags(&attributes,
+                            PSA_KEY_USAGE_DERIVE | PSA_KEY_USAGE_EXPORT);
+    psa_set_key_algorithm(&attributes, KDF_ALG);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_DERIVE);
+    psa_set_key_bits(&attributes, PSA_BYTES_TO_BITS(KEY_SIZE_BYTES));
 
     /* For each label in turn, ... */
-    for( i = 0; i < ladder_depth; i++ )
-    {
+    for (i = 0; i < ladder_depth; i++) {
         /* Start deriving material from the master key (if i=0) or from
          * the current intermediate key (if i>0). */
-        PSA_CHECK( psa_key_derivation_setup( &operation, KDF_ALG ) );
-        PSA_CHECK( psa_key_derivation_input_bytes(
-                       &operation, PSA_KEY_DERIVATION_INPUT_SALT,
-                       DERIVE_KEY_SALT, DERIVE_KEY_SALT_LENGTH ) );
-        PSA_CHECK( psa_key_derivation_input_key(
-                       &operation, PSA_KEY_DERIVATION_INPUT_SECRET,
-                       *key ) );
-        PSA_CHECK( psa_key_derivation_input_bytes(
-                       &operation, PSA_KEY_DERIVATION_INPUT_INFO,
-                       (uint8_t*) ladder[i], strlen( ladder[i] ) ) );
+        PSA_CHECK(psa_key_derivation_setup(&operation, KDF_ALG));
+        PSA_CHECK(psa_key_derivation_input_bytes(
+                      &operation, PSA_KEY_DERIVATION_INPUT_SALT,
+                      DERIVE_KEY_SALT, DERIVE_KEY_SALT_LENGTH));
+        PSA_CHECK(psa_key_derivation_input_key(
+                      &operation, PSA_KEY_DERIVATION_INPUT_SECRET,
+                      *key));
+        PSA_CHECK(psa_key_derivation_input_bytes(
+                      &operation, PSA_KEY_DERIVATION_INPUT_INFO,
+                      (uint8_t *) ladder[i], strlen(ladder[i])));
         /* When the parent key is not the master key, destroy it,
          * since it is no longer needed. */
-        PSA_CHECK( psa_destroy_key( *key ) );
+        PSA_CHECK(psa_destroy_key(*key));
         *key = 0;
         /* Derive the next intermediate key from the parent key. */
-        PSA_CHECK( psa_key_derivation_output_key( &attributes, &operation,
-                                                  key ) );
-        PSA_CHECK( psa_key_derivation_abort( &operation ) );
+        PSA_CHECK(psa_key_derivation_output_key(&attributes, &operation,
+                                                key));
+        PSA_CHECK(psa_key_derivation_abort(&operation));
     }
 
 exit:
-    psa_key_derivation_abort( &operation );
-    if( status != PSA_SUCCESS )
-    {
-        psa_destroy_key( *key );
+    psa_key_derivation_abort(&operation);
+    if (status != PSA_SUCCESS) {
+        psa_destroy_key(*key);
         *key = 0;
     }
-    return( status );
+    return status;
 }
 
 /* Derive a wrapping key from the last intermediate key. */
-static psa_status_t derive_wrapping_key( psa_key_usage_t usage,
-                                         psa_key_id_t derived_key,
-                                         psa_key_id_t *wrapping_key )
+static psa_status_t derive_wrapping_key(psa_key_usage_t usage,
+                                        psa_key_id_t derived_key,
+                                        psa_key_id_t *wrapping_key)
 {
     psa_status_t status = PSA_SUCCESS;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -335,33 +331,33 @@
 
     /* Set up a key derivation operation from the key derived from
      * the master key. */
-    PSA_CHECK( psa_key_derivation_setup( &operation, KDF_ALG ) );
-    PSA_CHECK( psa_key_derivation_input_bytes(
-                   &operation, PSA_KEY_DERIVATION_INPUT_SALT,
-                   WRAPPING_KEY_SALT, WRAPPING_KEY_SALT_LENGTH ) );
-    PSA_CHECK( psa_key_derivation_input_key(
-                   &operation, PSA_KEY_DERIVATION_INPUT_SECRET,
-                   derived_key ) );
-    PSA_CHECK( psa_key_derivation_input_bytes(
-                   &operation, PSA_KEY_DERIVATION_INPUT_INFO,
-                   NULL, 0 ) );
+    PSA_CHECK(psa_key_derivation_setup(&operation, KDF_ALG));
+    PSA_CHECK(psa_key_derivation_input_bytes(
+                  &operation, PSA_KEY_DERIVATION_INPUT_SALT,
+                  WRAPPING_KEY_SALT, WRAPPING_KEY_SALT_LENGTH));
+    PSA_CHECK(psa_key_derivation_input_key(
+                  &operation, PSA_KEY_DERIVATION_INPUT_SECRET,
+                  derived_key));
+    PSA_CHECK(psa_key_derivation_input_bytes(
+                  &operation, PSA_KEY_DERIVATION_INPUT_INFO,
+                  NULL, 0));
 
     /* Create the wrapping key. */
-    psa_set_key_usage_flags( &attributes, usage );
-    psa_set_key_algorithm( &attributes, WRAPPING_ALG );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
-    psa_set_key_bits( &attributes, WRAPPING_KEY_BITS );
-    PSA_CHECK( psa_key_derivation_output_key( &attributes, &operation,
-                                              wrapping_key ) );
+    psa_set_key_usage_flags(&attributes, usage);
+    psa_set_key_algorithm(&attributes, WRAPPING_ALG);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+    psa_set_key_bits(&attributes, WRAPPING_KEY_BITS);
+    PSA_CHECK(psa_key_derivation_output_key(&attributes, &operation,
+                                            wrapping_key));
 
 exit:
-    psa_key_derivation_abort( &operation );
-    return( status );
+    psa_key_derivation_abort(&operation);
+    return status;
 }
 
-static psa_status_t wrap_data( const char *input_file_name,
-                               const char *output_file_name,
-                               psa_key_id_t wrapping_key )
+static psa_status_t wrap_data(const char *input_file_name,
+                              const char *output_file_name,
+                              psa_key_id_t wrapping_key)
 {
     psa_status_t status;
     FILE *input_file = NULL;
@@ -376,78 +372,79 @@
     wrapped_data_header_t header;
 
     /* Find the size of the data to wrap. */
-    SYS_CHECK( ( input_file = fopen( input_file_name, "rb" ) ) != NULL );
+    SYS_CHECK((input_file = fopen(input_file_name, "rb")) != NULL);
     /* Ensure no stdio buffering of secrets, as such buffers cannot be wiped. */
-    mbedtls_setbuf( input_file, NULL );
-    SYS_CHECK( fseek( input_file, 0, SEEK_END ) == 0 );
-    SYS_CHECK( ( input_position = ftell( input_file ) ) != -1 );
+    mbedtls_setbuf(input_file, NULL);
+    SYS_CHECK(fseek(input_file, 0, SEEK_END) == 0);
+    SYS_CHECK((input_position = ftell(input_file)) != -1);
 #if LONG_MAX > SIZE_MAX
-    if( input_position > SIZE_MAX )
-    {
-        printf( "Input file too large.\n" );
+    if (input_position > SIZE_MAX) {
+        printf("Input file too large.\n");
         status = DEMO_ERROR;
         goto exit;
     }
 #endif
     input_size = input_position;
-    PSA_CHECK( psa_get_key_attributes( wrapping_key, &attributes ) );
-    key_type = psa_get_key_type( &attributes );
+    PSA_CHECK(psa_get_key_attributes(wrapping_key, &attributes));
+    key_type = psa_get_key_type(&attributes);
     buffer_size =
-        PSA_AEAD_ENCRYPT_OUTPUT_SIZE( key_type, WRAPPING_ALG, input_size );
+        PSA_AEAD_ENCRYPT_OUTPUT_SIZE(key_type, WRAPPING_ALG, input_size);
     /* Check for integer overflow. */
-    if( buffer_size < input_size )
-    {
-        printf( "Input file too large.\n" );
+    if (buffer_size < input_size) {
+        printf("Input file too large.\n");
         status = DEMO_ERROR;
         goto exit;
     }
 
     /* Load the data to wrap. */
-    SYS_CHECK( fseek( input_file, 0, SEEK_SET ) == 0 );
-    SYS_CHECK( ( buffer = calloc( 1, buffer_size ) ) != NULL );
-    SYS_CHECK( fread( buffer, 1, input_size, input_file ) == input_size );
-    SYS_CHECK( fclose( input_file ) == 0 );
+    SYS_CHECK(fseek(input_file, 0, SEEK_SET) == 0);
+    SYS_CHECK((buffer = calloc(1, buffer_size)) != NULL);
+    SYS_CHECK(fread(buffer, 1, input_size, input_file) == input_size);
+    SYS_CHECK(fclose(input_file) == 0);
     input_file = NULL;
 
     /* Construct a header. */
-    memcpy( &header.magic, WRAPPED_DATA_MAGIC, WRAPPED_DATA_MAGIC_LENGTH );
-    header.ad_size = sizeof( header );
+    memcpy(&header.magic, WRAPPED_DATA_MAGIC, WRAPPED_DATA_MAGIC_LENGTH);
+    header.ad_size = sizeof(header);
     header.payload_size = input_size;
 
     /* Wrap the data. */
-    PSA_CHECK( psa_generate_random( header.iv, WRAPPING_IV_SIZE ) );
-    PSA_CHECK( psa_aead_encrypt( wrapping_key, WRAPPING_ALG,
-                                 header.iv, WRAPPING_IV_SIZE,
-                                 (uint8_t *) &header, sizeof( header ),
-                                 buffer, input_size,
-                                 buffer, buffer_size,
-                                 &ciphertext_size ) );
+    PSA_CHECK(psa_generate_random(header.iv, WRAPPING_IV_SIZE));
+    PSA_CHECK(psa_aead_encrypt(wrapping_key, WRAPPING_ALG,
+                               header.iv, WRAPPING_IV_SIZE,
+                               (uint8_t *) &header, sizeof(header),
+                               buffer, input_size,
+                               buffer, buffer_size,
+                               &ciphertext_size));
 
     /* Write the output. */
-    SYS_CHECK( ( output_file = fopen( output_file_name, "wb" ) ) != NULL );
+    SYS_CHECK((output_file = fopen(output_file_name, "wb")) != NULL);
     /* Ensure no stdio buffering of secrets, as such buffers cannot be wiped. */
-    mbedtls_setbuf( output_file, NULL );
-    SYS_CHECK( fwrite( &header, 1, sizeof( header ),
-                       output_file ) == sizeof( header ) );
-    SYS_CHECK( fwrite( buffer, 1, ciphertext_size,
-                       output_file ) == ciphertext_size );
-    SYS_CHECK( fclose( output_file ) == 0 );
+    mbedtls_setbuf(output_file, NULL);
+    SYS_CHECK(fwrite(&header, 1, sizeof(header),
+                     output_file) == sizeof(header));
+    SYS_CHECK(fwrite(buffer, 1, ciphertext_size,
+                     output_file) == ciphertext_size);
+    SYS_CHECK(fclose(output_file) == 0);
     output_file = NULL;
 
 exit:
-    if( input_file != NULL )
-        fclose( input_file );
-    if( output_file != NULL )
-        fclose( output_file );
-    if( buffer != NULL )
-        mbedtls_platform_zeroize( buffer, buffer_size );
-    free( buffer );
-    return( status );
+    if (input_file != NULL) {
+        fclose(input_file);
+    }
+    if (output_file != NULL) {
+        fclose(output_file);
+    }
+    if (buffer != NULL) {
+        mbedtls_platform_zeroize(buffer, buffer_size);
+    }
+    free(buffer);
+    return status;
 }
 
-static psa_status_t unwrap_data( const char *input_file_name,
-                                 const char *output_file_name,
-                                 psa_key_id_t wrapping_key )
+static psa_status_t unwrap_data(const char *input_file_name,
+                                const char *output_file_name,
+                                psa_key_id_t wrapping_key)
 {
     psa_status_t status;
     FILE *input_file = NULL;
@@ -461,128 +458,126 @@
     unsigned char extra_byte;
 
     /* Load and validate the header. */
-    SYS_CHECK( ( input_file = fopen( input_file_name, "rb" ) ) != NULL );
+    SYS_CHECK((input_file = fopen(input_file_name, "rb")) != NULL);
     /* Ensure no stdio buffering of secrets, as such buffers cannot be wiped. */
-    mbedtls_setbuf( input_file, NULL );
-    SYS_CHECK( fread( &header, 1, sizeof( header ),
-                      input_file ) == sizeof( header ) );
-    if( memcmp( &header.magic, WRAPPED_DATA_MAGIC,
-                WRAPPED_DATA_MAGIC_LENGTH ) != 0 )
-    {
-        printf( "The input does not start with a valid magic header.\n" );
+    mbedtls_setbuf(input_file, NULL);
+    SYS_CHECK(fread(&header, 1, sizeof(header),
+                    input_file) == sizeof(header));
+    if (memcmp(&header.magic, WRAPPED_DATA_MAGIC,
+               WRAPPED_DATA_MAGIC_LENGTH) != 0) {
+        printf("The input does not start with a valid magic header.\n");
         status = DEMO_ERROR;
         goto exit;
     }
-    if( header.ad_size != sizeof( header ) )
-    {
-        printf( "The header size is not correct.\n" );
+    if (header.ad_size != sizeof(header)) {
+        printf("The header size is not correct.\n");
         status = DEMO_ERROR;
         goto exit;
     }
-    PSA_CHECK( psa_get_key_attributes( wrapping_key, &attributes) );
-    key_type = psa_get_key_type( &attributes);
+    PSA_CHECK(psa_get_key_attributes(wrapping_key, &attributes));
+    key_type = psa_get_key_type(&attributes);
     ciphertext_size =
-        PSA_AEAD_ENCRYPT_OUTPUT_SIZE( key_type, WRAPPING_ALG, header.payload_size );
+        PSA_AEAD_ENCRYPT_OUTPUT_SIZE(key_type, WRAPPING_ALG, header.payload_size);
     /* Check for integer overflow. */
-    if( ciphertext_size < header.payload_size )
-    {
-        printf( "Input file too large.\n" );
+    if (ciphertext_size < header.payload_size) {
+        printf("Input file too large.\n");
         status = DEMO_ERROR;
         goto exit;
     }
 
     /* Load the payload data. */
-    SYS_CHECK( ( buffer = calloc( 1, ciphertext_size ) ) != NULL );
-    SYS_CHECK( fread( buffer, 1, ciphertext_size,
-                      input_file ) == ciphertext_size );
-    if( fread( &extra_byte, 1, 1, input_file ) != 0 )
-    {
-        printf( "Extra garbage after ciphertext\n" );
+    SYS_CHECK((buffer = calloc(1, ciphertext_size)) != NULL);
+    SYS_CHECK(fread(buffer, 1, ciphertext_size,
+                    input_file) == ciphertext_size);
+    if (fread(&extra_byte, 1, 1, input_file) != 0) {
+        printf("Extra garbage after ciphertext\n");
         status = DEMO_ERROR;
         goto exit;
     }
-    SYS_CHECK( fclose( input_file ) == 0 );
+    SYS_CHECK(fclose(input_file) == 0);
     input_file = NULL;
 
     /* Unwrap the data. */
-    PSA_CHECK( psa_aead_decrypt( wrapping_key, WRAPPING_ALG,
-                                 header.iv, WRAPPING_IV_SIZE,
-                                 (uint8_t *) &header, sizeof( header ),
-                                 buffer, ciphertext_size,
-                                 buffer, ciphertext_size,
-                                 &plaintext_size ) );
-    if( plaintext_size != header.payload_size )
-    {
-        printf( "Incorrect payload size in the header.\n" );
+    PSA_CHECK(psa_aead_decrypt(wrapping_key, WRAPPING_ALG,
+                               header.iv, WRAPPING_IV_SIZE,
+                               (uint8_t *) &header, sizeof(header),
+                               buffer, ciphertext_size,
+                               buffer, ciphertext_size,
+                               &plaintext_size));
+    if (plaintext_size != header.payload_size) {
+        printf("Incorrect payload size in the header.\n");
         status = DEMO_ERROR;
         goto exit;
     }
 
     /* Write the output. */
-    SYS_CHECK( ( output_file = fopen( output_file_name, "wb" ) ) != NULL );
+    SYS_CHECK((output_file = fopen(output_file_name, "wb")) != NULL);
     /* Ensure no stdio buffering of secrets, as such buffers cannot be wiped. */
-    mbedtls_setbuf( output_file, NULL );
-    SYS_CHECK( fwrite( buffer, 1, plaintext_size,
-                       output_file ) == plaintext_size );
-    SYS_CHECK( fclose( output_file ) == 0 );
+    mbedtls_setbuf(output_file, NULL);
+    SYS_CHECK(fwrite(buffer, 1, plaintext_size,
+                     output_file) == plaintext_size);
+    SYS_CHECK(fclose(output_file) == 0);
     output_file = NULL;
 
 exit:
-    if( input_file != NULL )
-        fclose( input_file );
-    if( output_file != NULL )
-        fclose( output_file );
-    if( buffer != NULL )
-        mbedtls_platform_zeroize( buffer, ciphertext_size );
-    free( buffer );
-    return( status );
+    if (input_file != NULL) {
+        fclose(input_file);
+    }
+    if (output_file != NULL) {
+        fclose(output_file);
+    }
+    if (buffer != NULL) {
+        mbedtls_platform_zeroize(buffer, ciphertext_size);
+    }
+    free(buffer);
+    return status;
 }
 
-static psa_status_t run( enum program_mode mode,
-                         const char *key_file_name,
-                         const char *ladder[], size_t ladder_depth,
-                         const char *input_file_name,
-                         const char *output_file_name )
+static psa_status_t run(enum program_mode mode,
+                        const char *key_file_name,
+                        const char *ladder[], size_t ladder_depth,
+                        const char *input_file_name,
+                        const char *output_file_name)
 {
     psa_status_t status = PSA_SUCCESS;
     psa_key_id_t derivation_key = 0;
     psa_key_id_t wrapping_key = 0;
 
     /* Initialize the PSA crypto library. */
-    PSA_CHECK( psa_crypto_init( ) );
+    PSA_CHECK(psa_crypto_init());
 
     /* Generate mode is unlike the others. Generate the master key and exit. */
-    if( mode == MODE_GENERATE )
-        return( generate( key_file_name ) );
+    if (mode == MODE_GENERATE) {
+        return generate(key_file_name);
+    }
 
     /* Read the master key. */
-    PSA_CHECK( import_key_from_file( PSA_KEY_USAGE_DERIVE | PSA_KEY_USAGE_EXPORT,
-                                     KDF_ALG,
-                                     key_file_name,
-                                     &derivation_key ) );
+    PSA_CHECK(import_key_from_file(PSA_KEY_USAGE_DERIVE | PSA_KEY_USAGE_EXPORT,
+                                   KDF_ALG,
+                                   key_file_name,
+                                   &derivation_key));
 
     /* Calculate the derived key for this session. */
-    PSA_CHECK( derive_key_ladder( ladder, ladder_depth,
-                                  &derivation_key ) );
+    PSA_CHECK(derive_key_ladder(ladder, ladder_depth,
+                                &derivation_key));
 
-    switch( mode )
-    {
+    switch (mode) {
         case MODE_SAVE:
-            PSA_CHECK( save_key( derivation_key, output_file_name ) );
+            PSA_CHECK(save_key(derivation_key, output_file_name));
             break;
         case MODE_UNWRAP:
-            PSA_CHECK( derive_wrapping_key( PSA_KEY_USAGE_DECRYPT,
-                                            derivation_key,
-                                            &wrapping_key ) );
-            PSA_CHECK( unwrap_data( input_file_name, output_file_name,
-                                    wrapping_key ) );
+            PSA_CHECK(derive_wrapping_key(PSA_KEY_USAGE_DECRYPT,
+                                          derivation_key,
+                                          &wrapping_key));
+            PSA_CHECK(unwrap_data(input_file_name, output_file_name,
+                                  wrapping_key));
             break;
         case MODE_WRAP:
-            PSA_CHECK( derive_wrapping_key( PSA_KEY_USAGE_ENCRYPT,
-                                            derivation_key,
-                                            &wrapping_key ) );
-            PSA_CHECK( wrap_data( input_file_name, output_file_name,
-                                  wrapping_key ) );
+            PSA_CHECK(derive_wrapping_key(PSA_KEY_USAGE_ENCRYPT,
+                                          derivation_key,
+                                          &wrapping_key));
+            PSA_CHECK(wrap_data(input_file_name, output_file_name,
+                                wrapping_key));
             break;
         default:
             /* Unreachable but some compilers don't realize it. */
@@ -593,35 +588,35 @@
     /* Destroy any remaining key. Deinitializing the crypto library would do
      * this anyway since they are volatile keys, but explicitly destroying
      * keys makes the code easier to reuse. */
-    (void) psa_destroy_key( derivation_key );
-    (void) psa_destroy_key( wrapping_key );
+    (void) psa_destroy_key(derivation_key);
+    (void) psa_destroy_key(wrapping_key);
     /* Deinitialize the PSA crypto library. */
-    mbedtls_psa_crypto_free( );
-    return( status );
+    mbedtls_psa_crypto_free();
+    return status;
 }
 
-static void usage( void )
+static void usage(void)
 {
-    printf( "Usage: key_ladder_demo MODE [OPTION=VALUE]...\n" );
-    printf( "Demonstrate the usage of a key derivation ladder.\n" );
-    printf( "\n" );
-    printf( "Modes:\n" );
-    printf( "  generate  Generate the master key\n" );
-    printf( "  save      Save the derived key\n" );
-    printf( "  unwrap    Unwrap (decrypt) input with the derived key\n" );
-    printf( "  wrap      Wrap (encrypt) input with the derived key\n" );
-    printf( "\n" );
-    printf( "Options:\n" );
-    printf( "  input=FILENAME    Input file (required for wrap/unwrap)\n" );
-    printf( "  master=FILENAME   File containing the master key (default: master.key)\n" );
-    printf( "  output=FILENAME   Output file (required for save/wrap/unwrap)\n" );
-    printf( "  label=TEXT        Label for the key derivation.\n" );
-    printf( "                    This may be repeated multiple times.\n" );
-    printf( "                    To get the same key, you must use the same master key\n" );
-    printf( "                    and the same sequence of labels.\n" );
+    printf("Usage: key_ladder_demo MODE [OPTION=VALUE]...\n");
+    printf("Demonstrate the usage of a key derivation ladder.\n");
+    printf("\n");
+    printf("Modes:\n");
+    printf("  generate  Generate the master key\n");
+    printf("  save      Save the derived key\n");
+    printf("  unwrap    Unwrap (decrypt) input with the derived key\n");
+    printf("  wrap      Wrap (encrypt) input with the derived key\n");
+    printf("\n");
+    printf("Options:\n");
+    printf("  input=FILENAME    Input file (required for wrap/unwrap)\n");
+    printf("  master=FILENAME   File containing the master key (default: master.key)\n");
+    printf("  output=FILENAME   Output file (required for save/wrap/unwrap)\n");
+    printf("  label=TEXT        Label for the key derivation.\n");
+    printf("                    This may be repeated multiple times.\n");
+    printf("                    To get the same key, you must use the same master key\n");
+    printf("                    and the same sequence of labels.\n");
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     const char *key_file_name = "master.key";
     const char *input_file_name = NULL;
@@ -632,86 +627,76 @@
     enum program_mode mode;
     psa_status_t status;
 
-    if( argc <= 1 ||
-        strcmp( argv[1], "help" ) == 0 ||
-        strcmp( argv[1], "-help" ) == 0 ||
-        strcmp( argv[1], "--help" ) == 0 )
-    {
-        usage( );
-        return( EXIT_SUCCESS );
+    if (argc <= 1 ||
+        strcmp(argv[1], "help") == 0 ||
+        strcmp(argv[1], "-help") == 0 ||
+        strcmp(argv[1], "--help") == 0) {
+        usage();
+        return EXIT_SUCCESS;
     }
 
-    for( i = 2; i < argc; i++ )
-    {
-        char *q = strchr( argv[i], '=' );
-        if( q == NULL )
-        {
-            printf( "Missing argument to option %s\n", argv[i] );
+    for (i = 2; i < argc; i++) {
+        char *q = strchr(argv[i], '=');
+        if (q == NULL) {
+            printf("Missing argument to option %s\n", argv[i]);
             goto usage_failure;
         }
         *q = 0;
         ++q;
-        if( strcmp( argv[i], "input" ) == 0 )
+        if (strcmp(argv[i], "input") == 0) {
             input_file_name = q;
-        else if( strcmp( argv[i], "label" ) == 0 )
-        {
-            if( ladder_depth == MAX_LADDER_DEPTH )
-            {
-                printf( "Maximum ladder depth %u exceeded.\n",
-                                (unsigned) MAX_LADDER_DEPTH );
-                return( EXIT_FAILURE );
+        } else if (strcmp(argv[i], "label") == 0) {
+            if (ladder_depth == MAX_LADDER_DEPTH) {
+                printf("Maximum ladder depth %u exceeded.\n",
+                       (unsigned) MAX_LADDER_DEPTH);
+                return EXIT_FAILURE;
             }
             ladder[ladder_depth] = q;
             ++ladder_depth;
-        }
-        else if( strcmp( argv[i], "master" ) == 0 )
+        } else if (strcmp(argv[i], "master") == 0) {
             key_file_name = q;
-        else if( strcmp( argv[i], "output" ) == 0 )
+        } else if (strcmp(argv[i], "output") == 0) {
             output_file_name = q;
-        else
-        {
-            printf( "Unknown option: %s\n", argv[i] );
+        } else {
+            printf("Unknown option: %s\n", argv[i]);
             goto usage_failure;
         }
     }
 
-    if( strcmp( argv[1], "generate" ) == 0 )
+    if (strcmp(argv[1], "generate") == 0) {
         mode = MODE_GENERATE;
-    else if( strcmp( argv[1], "save" ) == 0 )
+    } else if (strcmp(argv[1], "save") == 0) {
         mode = MODE_SAVE;
-    else if( strcmp( argv[1], "unwrap" ) == 0 )
+    } else if (strcmp(argv[1], "unwrap") == 0) {
         mode = MODE_UNWRAP;
-    else if( strcmp( argv[1], "wrap" ) == 0 )
+    } else if (strcmp(argv[1], "wrap") == 0) {
         mode = MODE_WRAP;
-    else
-    {
-        printf( "Unknown action: %s\n", argv[1] );
+    } else {
+        printf("Unknown action: %s\n", argv[1]);
         goto usage_failure;
     }
 
-    if( input_file_name == NULL &&
-        ( mode == MODE_WRAP || mode == MODE_UNWRAP ) )
-    {
-        printf( "Required argument missing: input\n" );
-        return( DEMO_ERROR );
+    if (input_file_name == NULL &&
+        (mode == MODE_WRAP || mode == MODE_UNWRAP)) {
+        printf("Required argument missing: input\n");
+        return DEMO_ERROR;
     }
-    if( output_file_name == NULL &&
-        ( mode == MODE_SAVE || mode == MODE_WRAP || mode == MODE_UNWRAP ) )
-    {
-        printf( "Required argument missing: output\n" );
-        return( DEMO_ERROR );
+    if (output_file_name == NULL &&
+        (mode == MODE_SAVE || mode == MODE_WRAP || mode == MODE_UNWRAP)) {
+        printf("Required argument missing: output\n");
+        return DEMO_ERROR;
     }
 
-    status = run( mode, key_file_name,
-                  ladder, ladder_depth,
-                  input_file_name, output_file_name );
-    return( status == PSA_SUCCESS ?
-            EXIT_SUCCESS :
-            EXIT_FAILURE );
+    status = run(mode, key_file_name,
+                 ladder, ladder_depth,
+                 input_file_name, output_file_name);
+    return status == PSA_SUCCESS ?
+           EXIT_SUCCESS :
+           EXIT_FAILURE;
 
 usage_failure:
-    usage( );
-    return( EXIT_FAILURE );
+    usage();
+    return EXIT_FAILURE;
 }
 #endif /* MBEDTLS_SHA256_C && MBEDTLS_MD_C &&
           MBEDTLS_AES_C && MBEDTLS_CCM_C &&
diff --git a/programs/psa/psa_constant_names.c b/programs/psa/psa_constant_names.c
index b5fea04..8842685 100644
--- a/programs/psa/psa_constant_names.c
+++ b/programs/psa/psa_constant_names.c
@@ -26,29 +26,29 @@
 /* This block is present to support Visual Studio builds prior to 2015 */
 #if defined(_MSC_VER) && _MSC_VER < 1900
 #include <stdarg.h>
-int snprintf( char *s, size_t n, const char *fmt, ... )
+int snprintf(char *s, size_t n, const char *fmt, ...)
 {
     int ret;
     va_list argp;
 
     /* Avoid calling the invalid parameter handler by checking ourselves */
-    if( s == NULL || n == 0 || fmt == NULL )
-        return( -1 );
+    if (s == NULL || n == 0 || fmt == NULL) {
+        return -1;
+    }
 
-    va_start( argp, fmt );
+    va_start(argp, fmt);
 #if defined(_TRUNCATE) && !defined(__MINGW32__)
-    ret = _vsnprintf_s( s, n, _TRUNCATE, fmt, argp );
+    ret = _vsnprintf_s(s, n, _TRUNCATE, fmt, argp);
 #else
-    ret = _vsnprintf( s, n, fmt, argp );
-    if( ret < 0 || (size_t) ret == n )
-    {
+    ret = _vsnprintf(s, n, fmt, argp);
+    if (ret < 0 || (size_t) ret == n) {
         s[n-1] = '\0';
         ret = -1;
     }
 #endif
-    va_end( argp );
+    va_end(argp);
 
-    return( ret );
+    return ret;
 }
 #endif
 
@@ -69,7 +69,9 @@
                            unsigned long value)
 {
     size_t n = snprintf(*buffer, buffer_size - *required_size, format, value);
-    if (n < buffer_size - *required_size) *buffer += n;
+    if (n < buffer_size - *required_size) {
+        *buffer += n;
+    }
     *required_size += n;
 }
 
@@ -288,8 +290,7 @@
 {
     if (argc <= 1 ||
         !strcmp(argv[1], "help") ||
-        !strcmp(argv[1], "--help"))
-    {
+        !strcmp(argv[1], "--help")) {
         usage(argv[0]);
         return EXIT_FAILURE;
     }
diff --git a/programs/random/gen_entropy.c b/programs/random/gen_entropy.c
index f0ffea2..cc32171 100644
--- a/programs/random/gen_entropy.c
+++ b/programs/random/gen_entropy.c
@@ -28,15 +28,15 @@
 #endif
 
 #if !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int i, k, ret = 1;
@@ -44,45 +44,44 @@
     mbedtls_entropy_context entropy;
     unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE];
 
-    if( argc < 2 )
-    {
-        mbedtls_fprintf( stderr, "usage: %s <output filename>\n", argv[0] );
-        mbedtls_exit( exit_code );
+    if (argc < 2) {
+        mbedtls_fprintf(stderr, "usage: %s <output filename>\n", argv[0]);
+        mbedtls_exit(exit_code);
     }
 
-    if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( "failed to open '%s' for writing.\n", argv[1] );
-        mbedtls_exit( exit_code );
+    if ((f = fopen(argv[1], "wb+")) == NULL) {
+        mbedtls_printf("failed to open '%s' for writing.\n", argv[1]);
+        mbedtls_exit(exit_code);
     }
 
-    mbedtls_entropy_init( &entropy );
+    mbedtls_entropy_init(&entropy);
 
-    for( i = 0, k = 768; i < k; i++ )
-    {
-        ret = mbedtls_entropy_func( &entropy, buf, sizeof( buf ) );
-        if( ret != 0 )
-        {
-            mbedtls_printf( "  failed\n  !  mbedtls_entropy_func returned -%04X\n",
-                            (unsigned int) ret );
+    for (i = 0, k = 768; i < k; i++) {
+        ret = mbedtls_entropy_func(&entropy, buf, sizeof(buf));
+        if (ret != 0) {
+            mbedtls_printf("  failed\n  !  mbedtls_entropy_func returned -%04X\n",
+                           (unsigned int) ret);
             goto cleanup;
         }
 
-        fwrite( buf, 1, sizeof( buf ), f );
+        fwrite(buf, 1, sizeof(buf), f);
 
-        mbedtls_printf( "Generating %ldkb of data in file '%s'... %04.1f" \
-                "%% done\r", (long)(sizeof(buf) * k / 1024), argv[1], (100 * (float) (i + 1)) / k );
-        fflush( stdout );
+        mbedtls_printf("Generating %ldkb of data in file '%s'... %04.1f" \
+                       "%% done\r",
+                       (long) (sizeof(buf) * k / 1024),
+                       argv[1],
+                       (100 * (float) (i + 1)) / k);
+        fflush(stdout);
     }
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 cleanup:
-    mbedtls_printf( "\n" );
+    mbedtls_printf("\n");
 
-    fclose( f );
-    mbedtls_entropy_free( &entropy );
+    fclose(f);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_ENTROPY_C */
diff --git a/programs/random/gen_random_ctr_drbg.c b/programs/random/gen_random_ctr_drbg.c
index 2a3dd54..e1db16e 100644
--- a/programs/random/gen_random_ctr_drbg.c
+++ b/programs/random/gen_random_ctr_drbg.c
@@ -22,7 +22,7 @@
 #include "mbedtls/platform.h"
 
 #if defined(MBEDTLS_CTR_DRBG_C) && defined(MBEDTLS_ENTROPY_C) && \
- defined(MBEDTLS_FS_IO)
+    defined(MBEDTLS_FS_IO)
 #include "mbedtls/entropy.h"
 #include "mbedtls/ctr_drbg.h"
 
@@ -30,16 +30,16 @@
 #endif
 
 #if !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_ENTROPY_C) || \
- !defined(MBEDTLS_FS_IO)
-int main( void )
+    !defined(MBEDTLS_FS_IO)
+int main(void)
 {
     mbedtls_printf("MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
 
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     FILE *f;
     int i, k, ret = 1;
@@ -48,63 +48,61 @@
     mbedtls_entropy_context entropy;
     unsigned char buf[1024];
 
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    if( argc < 2 )
-    {
-        mbedtls_fprintf( stderr, "usage: %s <output filename>\n", argv[0] );
-        mbedtls_exit( exit_code );
+    if (argc < 2) {
+        mbedtls_fprintf(stderr, "usage: %s <output filename>\n", argv[0]);
+        mbedtls_exit(exit_code);
     }
 
-    if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
-    {
-        mbedtls_printf( "failed to open '%s' for writing.\n", argv[1] );
-        mbedtls_exit( exit_code );
+    if ((f = fopen(argv[1], "wb+")) == NULL) {
+        mbedtls_printf("failed to open '%s' for writing.\n", argv[1]);
+        mbedtls_exit(exit_code);
     }
 
-    mbedtls_entropy_init( &entropy );
-    ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, (const unsigned char *) "RANDOM_GEN", 10 );
-    if( ret != 0 )
-    {
-        mbedtls_printf( "failed in mbedtls_ctr_drbg_seed: %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    ret = mbedtls_ctr_drbg_seed(&ctr_drbg,
+                                mbedtls_entropy_func,
+                                &entropy,
+                                (const unsigned char *) "RANDOM_GEN",
+                                10);
+    if (ret != 0) {
+        mbedtls_printf("failed in mbedtls_ctr_drbg_seed: %d\n", ret);
         goto cleanup;
     }
-    mbedtls_ctr_drbg_set_prediction_resistance( &ctr_drbg, MBEDTLS_CTR_DRBG_PR_OFF );
+    mbedtls_ctr_drbg_set_prediction_resistance(&ctr_drbg, MBEDTLS_CTR_DRBG_PR_OFF);
 
 #if defined(MBEDTLS_FS_IO)
-    ret = mbedtls_ctr_drbg_update_seed_file( &ctr_drbg, "seedfile" );
+    ret = mbedtls_ctr_drbg_update_seed_file(&ctr_drbg, "seedfile");
 
-    if( ret == MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR )
-    {
-        mbedtls_printf( "Failed to open seedfile. Generating one.\n" );
-        ret = mbedtls_ctr_drbg_write_seed_file( &ctr_drbg, "seedfile" );
-        if( ret != 0 )
-        {
-            mbedtls_printf( "failed in mbedtls_ctr_drbg_write_seed_file: %d\n", ret );
+    if (ret == MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR) {
+        mbedtls_printf("Failed to open seedfile. Generating one.\n");
+        ret = mbedtls_ctr_drbg_write_seed_file(&ctr_drbg, "seedfile");
+        if (ret != 0) {
+            mbedtls_printf("failed in mbedtls_ctr_drbg_write_seed_file: %d\n", ret);
             goto cleanup;
         }
-    }
-    else if( ret != 0 )
-    {
-        mbedtls_printf( "failed in mbedtls_ctr_drbg_update_seed_file: %d\n", ret );
+    } else if (ret != 0) {
+        mbedtls_printf("failed in mbedtls_ctr_drbg_update_seed_file: %d\n", ret);
         goto cleanup;
     }
 #endif
 
-    for( i = 0, k = 768; i < k; i++ )
-    {
-        ret = mbedtls_ctr_drbg_random( &ctr_drbg, buf, sizeof( buf ) );
-        if( ret != 0 )
-        {
+    for (i = 0, k = 768; i < k; i++) {
+        ret = mbedtls_ctr_drbg_random(&ctr_drbg, buf, sizeof(buf));
+        if (ret != 0) {
             mbedtls_printf("failed!\n");
             goto cleanup;
         }
 
-        fwrite( buf, 1, sizeof( buf ), f );
+        fwrite(buf, 1, sizeof(buf), f);
 
-        mbedtls_printf( "Generating %ldkb of data in file '%s'... %04.1f" \
-                "%% done\r", (long)(sizeof(buf) * k / 1024), argv[1], (100 * (float) (i + 1)) / k );
-        fflush( stdout );
+        mbedtls_printf("Generating %ldkb of data in file '%s'... %04.1f" \
+                       "%% done\r",
+                       (long) (sizeof(buf) * k / 1024),
+                       argv[1],
+                       (100 * (float) (i + 1)) / k);
+        fflush(stdout);
     }
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
@@ -112,10 +110,10 @@
 cleanup:
     mbedtls_printf("\n");
 
-    fclose( f );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    fclose(f);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_CTR_DRBG_C && MBEDTLS_ENTROPY_C */
diff --git a/programs/ssl/dtls_client.c b/programs/ssl/dtls_client.c
index d13ea28..44a135f 100644
--- a/programs/ssl/dtls_client.c
+++ b/programs/ssl/dtls_client.c
@@ -26,14 +26,14 @@
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) ||        \
     !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) ||      \
     !defined(MBEDTLS_PEM_PARSE_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_SSL_CLI_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
-            "MBEDTLS_NET_C and/or MBEDTLS_TIMING_C and/or "
-            "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
-            "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
-            "MBEDTLS_PEM_PARSE_C not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_SSL_CLI_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_TIMING_C and/or "
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+                   "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -68,17 +68,17 @@
 #define DEBUG_LEVEL 0
 
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_debug(void *ctx, int level,
+                     const char *file, int line,
+                     const char *str)
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *) ctx);
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret, len;
     mbedtls_net_context server_fd;
@@ -98,221 +98,217 @@
     ((void) argv);
 
 #if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
 #endif
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 0. Load certificates
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+    ret = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret < 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1. Start the connection
      */
-    mbedtls_printf( "  . Connecting to udp/%s/%s...", SERVER_NAME, SERVER_PORT );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to udp/%s/%s...", SERVER_NAME, SERVER_PORT);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, SERVER_ADDR,
-                                         SERVER_PORT, MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, SERVER_ADDR,
+                                   SERVER_PORT, MBEDTLS_NET_PROTO_UDP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the DTLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the DTLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                   MBEDTLS_SSL_IS_CLIENT,
-                   MBEDTLS_SSL_TRANSPORT_DATAGRAM,
-                   MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_CLIENT,
+                                           MBEDTLS_SSL_TRANSPORT_DATAGRAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
     /* OPTIONAL is usually a bad choice for security, but makes interop easier
      * in this simplified example, in which the ca chain is hardcoded.
      * Production code should set a proper ca chain and use REQUIRED. */
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
-    mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
-    mbedtls_ssl_conf_read_timeout( &conf, READ_TIMEOUT_MS );
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
+    mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
+    mbedtls_ssl_conf_read_timeout(&conf, READ_TIMEOUT_MS);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, SERVER_NAME)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd,
-                         mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout );
+    mbedtls_ssl_set_bio(&ssl, &server_fd,
+                        mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout);
 
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                                            mbedtls_timing_get_delay );
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the DTLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the DTLS handshake...");
+    fflush(stdout);
 
-    do ret = mbedtls_ssl_handshake( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_handshake(&ssl);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+             ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 5. Verify the server certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
     /* In real life, we would have used MBEDTLS_SSL_VERIFY_REQUIRED so that the
      * handshake would not succeed if the peer's cert is bad.  Even if we used
      * MBEDTLS_SSL_VERIFY_OPTIONAL, we would bail out here if ret != 0 */
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
         char vrfy_buf[512];
 #endif
 
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
-        mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
+        mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-        mbedtls_printf( "%s\n", vrfy_buf );
+        mbedtls_printf("%s\n", vrfy_buf);
 #endif
+    } else {
+        mbedtls_printf(" ok\n");
     }
-    else
-        mbedtls_printf( " ok\n" );
 
     /*
      * 6. Write the echo request
      */
 send_request:
-    mbedtls_printf( "  > Write to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to server:");
+    fflush(stdout);
 
-    len = sizeof( MESSAGE ) - 1;
+    len = sizeof(MESSAGE) - 1;
 
-    do ret = mbedtls_ssl_write( &ssl, (unsigned char *) MESSAGE, len );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_write(&ssl, (unsigned char *) MESSAGE, len);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+             ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    if (ret < 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
         goto exit;
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes written\n\n%s\n\n", len, MESSAGE );
+    mbedtls_printf(" %d bytes written\n\n%s\n\n", len, MESSAGE);
 
     /*
      * 7. Read the echo response
      */
-    mbedtls_printf( "  < Read from server:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from server:");
+    fflush(stdout);
 
-    len = sizeof( buf ) - 1;
-    memset( buf, 0, sizeof( buf ) );
+    len = sizeof(buf) - 1;
+    memset(buf, 0, sizeof(buf));
 
-    do ret = mbedtls_ssl_read( &ssl, buf, len );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_read(&ssl, buf, len);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+             ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret <= 0 )
-    {
-        switch( ret )
-        {
+    if (ret <= 0) {
+        switch (ret) {
             case MBEDTLS_ERR_SSL_TIMEOUT:
-                mbedtls_printf( " timeout\n\n" );
-                if( retry_left-- > 0 )
+                mbedtls_printf(" timeout\n\n");
+                if (retry_left-- > 0) {
                     goto send_request;
+                }
                 goto exit;
 
             case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                mbedtls_printf( " connection was closed gracefully\n" );
+                mbedtls_printf(" connection was closed gracefully\n");
                 ret = 0;
                 goto close_notify;
 
             default:
-                mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret );
+                mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret);
                 goto exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes read\n\n%s\n\n", len, buf );
+    mbedtls_printf(" %d bytes read\n\n%s\n\n", len, buf);
 
     /*
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    mbedtls_printf( "  . Closing the connection..." );
+    mbedtls_printf("  . Closing the connection...");
 
     /* No error checking, the connection might be closed already */
-    do ret = mbedtls_ssl_close_notify( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_close_notify(&ssl);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
     ret = 0;
 
-    mbedtls_printf( " done\n" );
+    mbedtls_printf(" done\n");
 
     /*
      * 9. Final clean-ups and exit
@@ -320,27 +316,27 @@
 exit:
 
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf( "Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
     /* Shell can not handle large exit numbers -> 1 for errors */
-    if( ret < 0 )
+    if (ret < 0) {
         ret = 1;
+    }
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
 #endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_SSL_PROTO_DTLS && MBEDTLS_NET_C &&
           MBEDTLS_TIMING_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
diff --git a/programs/ssl/dtls_server.c b/programs/ssl/dtls_server.c
index 10d82ba..6f8c841 100644
--- a/programs/ssl/dtls_server.c
+++ b/programs/ssl/dtls_server.c
@@ -36,14 +36,14 @@
     !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) ||      \
     !defined(MBEDTLS_PEM_PARSE_C) || !defined(MBEDTLS_TIMING_C)
 
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_SSL_SRV_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
-            "MBEDTLS_SSL_COOKIE_C and/or MBEDTLS_NET_C and/or "
-            "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
-            "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
-            "MBEDTLS_PEM_PARSE_C and/or MBEDTLS_TIMING_C not defined.\n" );
-    mbedtls_exit( 0 );
+    printf("MBEDTLS_SSL_SRV_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
+           "MBEDTLS_SSL_COOKIE_C and/or MBEDTLS_NET_C and/or "
+           "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+           "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
+           "MBEDTLS_PEM_PARSE_C and/or MBEDTLS_TIMING_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -75,17 +75,17 @@
 #define DEBUG_LEVEL 0
 
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_debug(void *ctx, int level,
+                     const char *file, int line,
+                     const char *str)
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *) ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret, len;
     mbedtls_net_context listen_fd, client_fd;
@@ -106,274 +106,265 @@
     mbedtls_ssl_cache_context cache;
 #endif
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_ssl_cookie_init( &cookie_ctx );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_ssl_cookie_init(&cookie_ctx);
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
+    mbedtls_ssl_cache_init(&cache);
 #endif
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_pk_init( &pkey );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_pk_init(&pkey);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
 #if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
 #endif
 
     /*
      * 1. Seed the RNG
      */
-    printf( "  . Seeding the random number generator..." );
-    fflush( stdout );
+    printf("  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 2. Load the certificates and private RSA key
      */
-    printf( "\n  . Loading the server cert. and key..." );
-    fflush( stdout );
+    printf("\n  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                         mbedtls_test_srv_key_len, NULL, 0, mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+    ret =  mbedtls_pk_parse_key(&pkey,
+                                (const unsigned char *) mbedtls_test_srv_key,
+                                mbedtls_test_srv_key_len,
+                                NULL,
+                                0,
+                                mbedtls_ctr_drbg_random,
+                                &ctr_drbg);
+    if (ret != 0) {
+        printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 3. Setup the "listening" UDP socket
      */
-    printf( "  . Bind on udp/*/4433 ..." );
-    fflush( stdout );
+    printf("  . Bind on udp/*/4433 ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, BIND_IP, "4433", MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, BIND_IP, "4433", MBEDTLS_NET_PROTO_UDP)) != 0) {
+        printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 4. Setup stuff
      */
-    printf( "  . Setting up the DTLS data..." );
-    fflush( stdout );
+    printf("  . Setting up the DTLS data...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_DATAGRAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_DATAGRAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
-    mbedtls_ssl_conf_read_timeout( &conf, READ_TIMEOUT_MS );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
+    mbedtls_ssl_conf_read_timeout(&conf, READ_TIMEOUT_MS);
 
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
+    mbedtls_ssl_conf_session_cache(&conf, &cache,
                                    mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
+                                   mbedtls_ssl_cache_set);
 #endif
 
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
-   if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.next, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx,
-                                  mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_cookie_setup(&cookie_ctx,
+                                        mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        printf(" failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
-                               &cookie_ctx );
+    mbedtls_ssl_conf_dtls_cookies(&conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
+                                  &cookie_ctx);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                                            mbedtls_timing_get_delay );
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
 reset:
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( &client_fd );
+    mbedtls_net_free(&client_fd);
 
-    mbedtls_ssl_session_reset( &ssl );
+    mbedtls_ssl_session_reset(&ssl);
 
     /*
      * 3. Wait until a client connects
      */
-    printf( "  . Waiting for a remote connection ..." );
-    fflush( stdout );
+    printf("  . Waiting for a remote connection ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                    client_ip, sizeof( client_ip ), &cliip_len ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_net_accept returned %d\n\n", ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                  client_ip, sizeof(client_ip), &cliip_len)) != 0) {
+        printf(" failed\n  ! mbedtls_net_accept returned %d\n\n", ret);
         goto exit;
     }
 
     /* For HelloVerifyRequest cookies */
-    if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl,
-                    client_ip, cliip_len ) ) != 0 )
-    {
-        printf( " failed\n  ! "
-                "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_set_client_transport_id(&ssl,
+                                                   client_ip, cliip_len)) != 0) {
+        printf(" failed\n  ! "
+               "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &client_fd,
-                         mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout );
+    mbedtls_ssl_set_bio(&ssl, &client_fd,
+                        mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout);
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 5. Handshake
      */
-    printf( "  . Performing the DTLS handshake..." );
-    fflush( stdout );
+    printf("  . Performing the DTLS handshake...");
+    fflush(stdout);
 
-    do ret = mbedtls_ssl_handshake( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_handshake(&ssl);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+             ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED )
-    {
-        printf( " hello verification requested\n" );
+    if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) {
+        printf(" hello verification requested\n");
         ret = 0;
         goto reset;
-    }
-    else if( ret != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    } else if (ret != 0) {
+        printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret);
         goto reset;
     }
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 6. Read the echo Request
      */
-    printf( "  < Read from client:" );
-    fflush( stdout );
+    printf("  < Read from client:");
+    fflush(stdout);
 
-    len = sizeof( buf ) - 1;
-    memset( buf, 0, sizeof( buf ) );
+    len = sizeof(buf) - 1;
+    memset(buf, 0, sizeof(buf));
 
-    do ret = mbedtls_ssl_read( &ssl, buf, len );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_read(&ssl, buf, len);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+             ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret <= 0 )
-    {
-        switch( ret )
-        {
+    if (ret <= 0) {
+        switch (ret) {
             case MBEDTLS_ERR_SSL_TIMEOUT:
-                printf( " timeout\n\n" );
+                printf(" timeout\n\n");
                 goto reset;
 
             case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                printf( " connection was closed gracefully\n" );
+                printf(" connection was closed gracefully\n");
                 ret = 0;
                 goto close_notify;
 
             default:
-                printf( " mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret );
+                printf(" mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret);
                 goto reset;
         }
     }
 
     len = ret;
-    printf( " %d bytes read\n\n%s\n\n", len, buf );
+    printf(" %d bytes read\n\n%s\n\n", len, buf);
 
     /*
      * 7. Write the 200 Response
      */
-    printf( "  > Write to client:" );
-    fflush( stdout );
+    printf("  > Write to client:");
+    fflush(stdout);
 
-    do ret = mbedtls_ssl_write( &ssl, buf, len );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_write(&ssl, buf, len);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+             ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret < 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    if (ret < 0) {
+        printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
         goto exit;
     }
 
     len = ret;
-    printf( " %d bytes written\n\n%s\n\n", len, buf );
+    printf(" %d bytes written\n\n%s\n\n", len, buf);
 
     /*
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    printf( "  . Closing the connection..." );
+    printf("  . Closing the connection...");
 
     /* No error checking, the connection might be closed already */
-    do ret = mbedtls_ssl_close_notify( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_close_notify(&ssl);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
     ret = 0;
 
-    printf( " done\n" );
+    printf(" done\n");
 
     goto reset;
 
@@ -383,33 +374,33 @@
 exit:
 
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        printf( "Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ssl_cookie_free( &cookie_ctx );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ssl_cookie_free(&cookie_ctx);
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
+    mbedtls_ssl_cache_free(&cache);
 #endif
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
     /* Shell can not handle large exit numbers -> 1 for errors */
-    if( ret < 0 )
+    if (ret < 0) {
         ret = 1;
+    }
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
 #endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_DTLS &&
           MBEDTLS_SSL_COOKIE_C && MBEDTLS_NET_C && MBEDTLS_ENTROPY_C &&
diff --git a/programs/ssl/mini_client.c b/programs/ssl/mini_client.c
index efcf650..6dbbc6d 100644
--- a/programs/ssl/mini_client.c
+++ b/programs/ssl/mini_client.c
@@ -40,12 +40,12 @@
     !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_CLI_C) || \
     !defined(UNIX)
 
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
-            "MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
-            "not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -137,8 +137,7 @@
 };
 #endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-enum exit_codes
-{
+enum exit_codes {
     exit_ok = 0,
     ctr_drbg_seed_failed,
     ssl_config_defaults_failed,
@@ -152,7 +151,7 @@
 };
 
 
-int main( void )
+int main(void)
 {
     int ret = exit_ok;
     mbedtls_net_context server_fd;
@@ -165,62 +164,57 @@
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
     mbedtls_ssl_config conf;
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
     /*
      * 0. Initialize and setup stuff
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_init( &ca );
+    mbedtls_x509_crt_init(&ca);
 #endif
 
-    mbedtls_entropy_init( &entropy );
-    if( mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                       (const unsigned char *) pers, strlen( pers ) ) != 0 )
-    {
+    mbedtls_entropy_init(&entropy);
+    if (mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                              (const unsigned char *) pers, strlen(pers)) != 0) {
         ret = ctr_drbg_seed_failed;
         goto exit;
     }
 
-    if( mbedtls_ssl_config_defaults( &conf,
-                MBEDTLS_SSL_IS_CLIENT,
-                MBEDTLS_SSL_TRANSPORT_STREAM,
-                MBEDTLS_SSL_PRESET_DEFAULT ) != 0 )
-    {
+    if (mbedtls_ssl_config_defaults(&conf,
+                                    MBEDTLS_SSL_IS_CLIENT,
+                                    MBEDTLS_SSL_TRANSPORT_STREAM,
+                                    MBEDTLS_SSL_PRESET_DEFAULT) != 0) {
         ret = ssl_config_defaults_failed;
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-    mbedtls_ssl_conf_psk( &conf, psk, sizeof( psk ),
-                (const unsigned char *) psk_id, sizeof( psk_id ) - 1 );
+    mbedtls_ssl_conf_psk(&conf, psk, sizeof(psk),
+                         (const unsigned char *) psk_id, sizeof(psk_id) - 1);
 #endif
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
-    if( mbedtls_x509_crt_parse_der( &ca, ca_cert, sizeof( ca_cert ) ) != 0 )
-    {
+    if (mbedtls_x509_crt_parse_der(&ca, ca_cert, sizeof(ca_cert)) != 0) {
         ret = x509_crt_parse_failed;
         goto exit;
     }
 
-    mbedtls_ssl_conf_ca_chain( &conf, &ca, NULL );
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_REQUIRED );
+    mbedtls_ssl_conf_ca_chain(&conf, &ca, NULL);
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_REQUIRED);
 #endif
 
-    if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
-    {
+    if (mbedtls_ssl_setup(&ssl, &conf) != 0) {
         ret = ssl_setup_failed;
         goto exit;
     }
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
-    if( mbedtls_ssl_set_hostname( &ssl, HOSTNAME ) != 0 )
-    {
+    if (mbedtls_ssl_set_hostname(&ssl, HOSTNAME) != 0) {
         ret = hostname_failed;
         goto exit;
     }
@@ -229,7 +223,7 @@
     /*
      * 1. Start the connection
      */
-    memset( &addr, 0, sizeof( addr ) );
+    memset(&addr, 0, sizeof(addr));
     addr.sin_family = AF_INET;
 
     ret = 1; /* for endianness detection */
@@ -237,23 +231,20 @@
     addr.sin_addr.s_addr = *((char *) &ret) == ret ? ADDR_LE : ADDR_BE;
     ret = 0;
 
-    if( ( server_fd.fd = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
-    {
+    if ((server_fd.fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
         ret = socket_failed;
         goto exit;
     }
 
-    if( connect( server_fd.fd,
-                (const struct sockaddr *) &addr, sizeof( addr ) ) < 0 )
-    {
+    if (connect(server_fd.fd,
+                (const struct sockaddr *) &addr, sizeof(addr)) < 0) {
         ret = connect_failed;
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
 
-    if( mbedtls_ssl_handshake( &ssl ) != 0 )
-    {
+    if (mbedtls_ssl_handshake(&ssl) != 0) {
         ret = ssl_handshake_failed;
         goto exit;
     }
@@ -261,26 +252,25 @@
     /*
      * 2. Write the GET request and close the connection
      */
-    if( mbedtls_ssl_write( &ssl, (const unsigned char *) GET_REQUEST,
-                         sizeof( GET_REQUEST ) - 1 ) <= 0 )
-    {
+    if (mbedtls_ssl_write(&ssl, (const unsigned char *) GET_REQUEST,
+                          sizeof(GET_REQUEST) - 1) <= 0) {
         ret = ssl_write_failed;
         goto exit;
     }
 
-    mbedtls_ssl_close_notify( &ssl );
+    mbedtls_ssl_close_notify(&ssl);
 
 exit:
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_free( &ca );
+    mbedtls_x509_crt_free(&ca);
 #endif
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
 #endif
diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index 5025698..ea96a4d 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -26,14 +26,14 @@
     !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) ||            \
     !defined(MBEDTLS_PEM_PARSE_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
     !defined(MBEDTLS_X509_CRT_PARSE_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
-           "not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -54,17 +54,17 @@
 #define DEBUG_LEVEL 1
 
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_debug(void *ctx, int level,
+                     const char *file, int line,
+                     const char *str)
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *) ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret = 1, len;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -80,220 +80,208 @@
     mbedtls_x509_crt cacert;
 
 #if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
 #endif
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 0. Initialize certificates
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+    ret = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret < 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1. Start the connection
      */
-    mbedtls_printf( "  . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, SERVER_NAME,
-                                         SERVER_PORT, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, SERVER_NAME,
+                                   SERVER_PORT, MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_CLIENT,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_CLIENT,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /* OPTIONAL is not optimal for security,
      * but makes interop easier in this simplified example */
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
-    mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
+    mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, SERVER_NAME)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
 
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 5. Verify the server certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
     /* In real life, we probably want to bail out when ret != 0 */
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
         char vrfy_buf[512];
 #endif
 
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
-        mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
+        mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-        mbedtls_printf( "%s\n", vrfy_buf );
+        mbedtls_printf("%s\n", vrfy_buf);
 #endif
+    } else {
+        mbedtls_printf(" ok\n");
     }
-    else
-        mbedtls_printf( " ok\n" );
 
     /*
      * 3. Write the GET request
      */
-    mbedtls_printf( "  > Write to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, GET_REQUEST );
+    len = sprintf((char *) buf, GET_REQUEST);
 
-    while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
             goto exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes written\n\n%s", len, (char *) buf );
+    mbedtls_printf(" %d bytes written\n\n%s", len, (char *) buf);
 
     /*
      * 7. Read the HTTP response
      */
-    mbedtls_printf( "  < Read from server:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from server:");
+    fflush(stdout);
 
-    do
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
-        ret = mbedtls_ssl_read( &ssl, buf, len );
+    do {
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
+        ret = mbedtls_ssl_read(&ssl, buf, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
             continue;
+        }
 
-        if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )
-            break;
-
-        if( ret < 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_read returned %d\n\n", ret );
+        if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) {
             break;
         }
 
-        if( ret == 0 )
-        {
-            mbedtls_printf( "\n\nEOF\n\n" );
+        if (ret < 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_read returned %d\n\n", ret);
+            break;
+        }
+
+        if (ret == 0) {
+            mbedtls_printf("\n\nEOF\n\n");
             break;
         }
 
         len = ret;
-        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
-    }
-    while( 1 );
+        mbedtls_printf(" %d bytes read\n\n%s", len, (char *) buf);
+    } while (1);
 
-    mbedtls_ssl_close_notify( &ssl );
+    mbedtls_ssl_close_notify(&ssl);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
 #ifdef MBEDTLS_ERROR_C
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
           MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 02ee7cf..8b0a825 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -26,16 +26,16 @@
 #endif /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( MBEDTLS_SSL_TEST_IMPOSSIBLE );
-    mbedtls_exit( 0 );
+    mbedtls_printf(MBEDTLS_SSL_TEST_IMPOSSIBLE);
+    mbedtls_exit(0);
 }
 #elif !defined(MBEDTLS_SSL_CLI_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_SSL_CLI_C not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_SSL_CLI_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
 
@@ -127,7 +127,7 @@
 #define USAGE_CONTEXT_CRT_CB \
     "    context_crt_cb=%%d   This determines whether the CRT verification callback is bound\n" \
     "                        to the SSL configuration of the SSL context.\n" \
-    "                        Possible values:\n"\
+    "                        Possible values:\n" \
     "                        - 0 (default): Use CRT callback bound to configuration\n" \
     "                        - 1: Use CRT callback bound to SSL context\n"
 #else
@@ -144,8 +144,8 @@
     "                        use \"none\" to skip loading any top-level CAs.\n" \
     "    crt_file=%%s         Your own cert and chain (in bottom to top order, top may be omitted)\n" \
     "                        default: \"\" (pre-loaded)\n" \
-    "    key_file=%%s         default: \"\" (pre-loaded)\n"\
-    "    key_pwd=%%s          Password for key specified by key_file argument\n"\
+    "    key_file=%%s         default: \"\" (pre-loaded)\n" \
+    "    key_pwd=%%s          Password for key specified by key_file argument\n" \
     "                        default: none\n"
 #else
 #define USAGE_IO \
@@ -225,7 +225,7 @@
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
 #define USAGE_SRTP \
     "    use_srtp=%%d         default: 0 (disabled)\n" \
-    "                          This cannot be used with eap_tls=1 or "\
+    "                          This cannot be used with eap_tls=1 or " \
     "                          nss_keylog=1\n"             \
     "    srtp_force_profile=%%d  default: 0 (all enabled)\n"   \
     "                        available profiles:\n"       \
@@ -343,7 +343,7 @@
     "    serialize=%%d        default: 0 (do not serialize/deserialize)\n"     \
     "                        options: 1 (serialize)\n"                         \
     "                                 2 (serialize with re-initialization)\n"  \
-    "    context_file=%%s     The file path to write a serialized connection\n"\
+    "    context_file=%%s     The file path to write a serialized connection\n" \
     "                        in the form of base64 code (serialize option\n"   \
     "                        must be set)\n"                                   \
     "                         default: \"\" (do nothing)\n"                    \
@@ -387,21 +387,21 @@
     "    request_page=%%s     default: \".\"\n"             \
     "    request_size=%%d     default: about 34 (basic request)\n"           \
     "                        (minimum: 0, max: " MAX_REQUEST_SIZE_STR ")\n"  \
-    "                        If 0, in the first exchange only an empty\n"    \
-    "                        application data message is sent followed by\n" \
-    "                        a second non-empty message before attempting\n" \
-    "                        to read a response from the server\n"           \
-    "    debug_level=%%d      default: 0 (disabled)\n"             \
-    "    build_version=%%d    default: none (disabled)\n"                     \
-    "                        option: 1 (print build version only and stop)\n" \
-    "    nbio=%%d             default: 0 (blocking I/O)\n"         \
-    "                        options: 1 (non-blocking), 2 (added delays)\n"   \
-    "    event=%%d            default: 0 (loop)\n"                            \
-    "                        options: 1 (level-triggered, implies nbio=1),\n" \
-    "    read_timeout=%%d     default: 0 ms (no timeout)\n"        \
-    "    max_resend=%%d       default: 0 (no resend on timeout)\n" \
-    "    skip_close_notify=%%d default: 0 (send close_notify)\n" \
-    "\n"                                                    \
+                                                                      "                        If 0, in the first exchange only an empty\n"    \
+                                                                      "                        application data message is sent followed by\n" \
+                                                                      "                        a second non-empty message before attempting\n" \
+                                                                      "                        to read a response from the server\n"           \
+                                                                      "    debug_level=%%d      default: 0 (disabled)\n"             \
+                                                                      "    build_version=%%d    default: none (disabled)\n"                     \
+                                                                      "                        option: 1 (print build version only and stop)\n" \
+                                                                      "    nbio=%%d             default: 0 (blocking I/O)\n"         \
+                                                                      "                        options: 1 (non-blocking), 2 (added delays)\n"   \
+                                                                      "    event=%%d            default: 0 (loop)\n"                            \
+                                                                      "                        options: 1 (level-triggered, implies nbio=1),\n" \
+                                                                      "    read_timeout=%%d     default: 0 ms (no timeout)\n"        \
+                                                                      "    max_resend=%%d       default: 0 (no resend on timeout)\n" \
+                                                                      "    skip_close_notify=%%d default: 0 (send close_notify)\n" \
+                                                                      "\n"                                                    \
     USAGE_DTLS                                              \
     USAGE_CID                                               \
     USAGE_SRTP                                              \
@@ -472,8 +472,7 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char *server_name;    /* hostname of the server (client only)     */
     const char *server_addr;    /* address of the server (client only)      */
     const char *server_port;    /* port on which the ssl service runs       */
@@ -572,51 +571,53 @@
 /*
  * Enabled if debug_level > 1 in code below
  */
-static int my_verify( void *data, mbedtls_x509_crt *crt,
-                      int depth, uint32_t *flags )
+static int my_verify(void *data, mbedtls_x509_crt *crt,
+                     int depth, uint32_t *flags)
 {
     char buf[1024];
     ((void) data);
 
-    mbedtls_printf( "\nVerify requested for (Depth %d):\n", depth );
+    mbedtls_printf("\nVerify requested for (Depth %d):\n", depth);
 
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
-    mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
-    if( depth == 0 )
-        memcpy( peer_crt_info, buf, sizeof( buf ) );
+    mbedtls_x509_crt_info(buf, sizeof(buf) - 1, "", crt);
+    if (depth == 0) {
+        memcpy(peer_crt_info, buf, sizeof(buf));
+    }
 
-    if( opt.debug_level == 0 )
-        return( 0 );
+    if (opt.debug_level == 0) {
+        return 0;
+    }
 
-    mbedtls_printf( "%s", buf );
+    mbedtls_printf("%s", buf);
 #else
     ((void) crt);
     ((void) depth);
 #endif
 
-    if ( ( *flags ) == 0 )
-        mbedtls_printf( "  This certificate has no flags\n" );
-    else
-    {
-        x509_crt_verify_info( buf, sizeof( buf ), "  ! ", *flags );
-        mbedtls_printf( "%s\n", buf );
+    if ((*flags) == 0) {
+        mbedtls_printf("  This certificate has no flags\n");
+    } else {
+        x509_crt_verify_info(buf, sizeof(buf), "  ! ", *flags);
+        mbedtls_printf("%s\n", buf);
     }
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-int report_cid_usage( mbedtls_ssl_context *ssl,
-                      const char *additional_description )
+int report_cid_usage(mbedtls_ssl_context *ssl,
+                     const char *additional_description)
 {
     int ret;
-    unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ];
+    unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX];
     size_t peer_cid_len;
     int cid_negotiated;
 
-    if( opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-        return( 0 );
+    if (opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        return 0;
+    }
 
     /* Check if the use of a CID has been negotiated,
      * but don't ask for the CID value and length.
@@ -628,116 +629,104 @@
      *
      *       An actual application, however, should use
      *       just one call to mbedtls_ssl_get_peer_cid(). */
-    ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
-                                    NULL, NULL );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-                        (unsigned int) -ret );
-        return( ret );
+    ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated,
+                                   NULL, NULL);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+                       (unsigned int) -ret);
+        return ret;
     }
 
-    if( cid_negotiated == MBEDTLS_SSL_CID_DISABLED )
-    {
-        if( opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED )
-        {
-            mbedtls_printf( "(%s) Use of Connection ID was rejected by the server.\n",
-                            additional_description );
+    if (cid_negotiated == MBEDTLS_SSL_CID_DISABLED) {
+        if (opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED) {
+            mbedtls_printf("(%s) Use of Connection ID was rejected by the server.\n",
+                           additional_description);
         }
-    }
-    else
-    {
-        size_t idx=0;
-        mbedtls_printf( "(%s) Use of Connection ID has been negotiated.\n",
-                        additional_description );
+    } else {
+        size_t idx = 0;
+        mbedtls_printf("(%s) Use of Connection ID has been negotiated.\n",
+                       additional_description);
 
         /* Ask for just the length of the peer's CID. */
-        ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
-                                        NULL, &peer_cid_len );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-                            (unsigned int) -ret );
-            return( ret );
+        ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated,
+                                       NULL, &peer_cid_len);
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+                           (unsigned int) -ret);
+            return ret;
         }
 
         /* Ask for just length + value of the peer's CID. */
-        ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
-                                        peer_cid, &peer_cid_len );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-                            (unsigned int) -ret );
-            return( ret );
+        ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated,
+                                       peer_cid, &peer_cid_len);
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+                           (unsigned int) -ret);
+            return ret;
         }
-        mbedtls_printf( "(%s) Peer CID (length %u Bytes): ",
-                        additional_description,
-                        (unsigned) peer_cid_len );
-        while( idx < peer_cid_len )
-        {
-            mbedtls_printf( "%02x ", peer_cid[ idx ] );
+        mbedtls_printf("(%s) Peer CID (length %u Bytes): ",
+                       additional_description,
+                       (unsigned) peer_cid_len);
+        while (idx < peer_cid_len) {
+            mbedtls_printf("%02x ", peer_cid[idx]);
             idx++;
         }
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
     }
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-static int ssl_save_session_serialize( mbedtls_ssl_context *ssl,
-                                       unsigned char **session_data,
-                                       size_t *session_data_len )
+static int ssl_save_session_serialize(mbedtls_ssl_context *ssl,
+                                      unsigned char **session_data,
+                                      size_t *session_data_len)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_ssl_session exported_session;
 
     /* free any previously saved data */
-    if( *session_data != NULL )
-    {
-        mbedtls_platform_zeroize( *session_data, *session_data_len );
-        mbedtls_free( *session_data );
+    if (*session_data != NULL) {
+        mbedtls_platform_zeroize(*session_data, *session_data_len);
+        mbedtls_free(*session_data);
         *session_data = NULL;
         *session_data_len = 0;
     }
 
-    mbedtls_ssl_session_init( &exported_session );
-    ret = mbedtls_ssl_get_session( ssl, &exported_session );
-    if( ret != 0 )
-    {
+    mbedtls_ssl_session_init(&exported_session);
+    ret = mbedtls_ssl_get_session(ssl, &exported_session);
+    if (ret != 0) {
         mbedtls_printf(
             "failed\n  ! mbedtls_ssl_get_session() returned -%#02x\n",
-            (unsigned) -ret );
+            (unsigned) -ret);
         goto exit;
     }
 
     /* get size of the buffer needed */
-    mbedtls_ssl_session_save( &exported_session, NULL, 0, session_data_len );
-    *session_data = mbedtls_calloc( 1, *session_data_len );
-    if( *session_data == NULL )
-    {
-        mbedtls_printf( " failed\n  ! alloc %u bytes for session data\n",
-                        (unsigned) *session_data_len );
+    mbedtls_ssl_session_save(&exported_session, NULL, 0, session_data_len);
+    *session_data = mbedtls_calloc(1, *session_data_len);
+    if (*session_data == NULL) {
+        mbedtls_printf(" failed\n  ! alloc %u bytes for session data\n",
+                       (unsigned) *session_data_len);
         ret = MBEDTLS_ERR_SSL_ALLOC_FAILED;
         goto exit;
     }
 
     /* actually save session data */
-    if( ( ret = mbedtls_ssl_session_save( &exported_session,
-                                          *session_data, *session_data_len,
-                                          session_data_len ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_session_saved returned -0x%04x\n\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_session_save(&exported_session,
+                                        *session_data, *session_data_len,
+                                        session_data_len)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_session_saved returned -0x%04x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
 exit:
-    mbedtls_ssl_session_free( &exported_session );
-    return( ret );
+    mbedtls_ssl_session_free(&exported_session);
+    return ret;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 0, len, tail_len, i, written, frags, retry_left;
     int query_config_ret = 0;
@@ -776,7 +765,7 @@
 #endif
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
     unsigned char mki[MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH];
-    size_t mki_len=0;
+    size_t mki_len = 0;
 #endif
 
     const char *pers = "ssl_client2";
@@ -819,12 +808,12 @@
 #endif
     unsigned char eap_tls_keymaterial[16];
     unsigned char eap_tls_iv[8];
-    const char* eap_tls_label = "client EAP encryption";
+    const char *eap_tls_label = "client EAP encryption";
     eap_tls_keys eap_tls_keying;
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
     /*! master keys and master salt for SRTP generated during handshake */
     unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
-    const char* dtls_srtp_label = "EXTRACTOR-dtls_srtp";
+    const char *dtls_srtp_label = "EXTRACTOR-dtls_srtp";
     dtls_srtp_keys dtls_srtp_keying;
     const mbedtls_ssl_srtp_profile default_profiles[] = {
         MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
@@ -840,63 +829,62 @@
 #endif /* MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
+    mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
 #endif
 
 #if defined(MBEDTLS_TEST_HOOKS)
-    test_hooks_init( );
+    test_hooks_init();
 #endif /* MBEDTLS_TEST_HOOKS */
 
     /*
      * Make sure memory references are valid.
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    memset( &saved_session, 0, sizeof( mbedtls_ssl_session ) );
-    rng_init( &rng );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    memset(&saved_session, 0, sizeof(mbedtls_ssl_session));
+    rng_init(&rng);
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_x509_crt_init( &clicert );
-    mbedtls_pk_init( &pkey );
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_x509_crt_init(&clicert);
+    mbedtls_pk_init(&pkey);
 #endif
 #if defined(MBEDTLS_SSL_ALPN)
-    memset( (void * ) alpn_list, 0, sizeof( alpn_list ) );
+    memset((void *) alpn_list, 0, sizeof(alpn_list));
 #endif
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
     status = psa_crypto_init();
-    if( status != PSA_SUCCESS )
-    {
-        mbedtls_fprintf( stderr, "Failed to initialize PSA Crypto implementation: %d\n",
-                         (int) status );
+    if (status != PSA_SUCCESS) {
+        mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+                        (int) status);
         ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
         goto exit;
     }
 #endif  /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */
 #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
-    mbedtls_test_enable_insecure_external_rng( );
+    mbedtls_test_enable_insecure_external_rng();
 #endif  /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
 
-    if( argc == 0 )
-    {
-    usage:
-        if( ret == 0 )
+    if (argc == 0) {
+usage:
+        if (ret == 0) {
             ret = 1;
+        }
 
-        mbedtls_printf( USAGE1 );
-        mbedtls_printf( USAGE2 );
-        mbedtls_printf( USAGE3 );
-        mbedtls_printf( USAGE4 );
+        mbedtls_printf(USAGE1);
+        mbedtls_printf(USAGE2);
+        mbedtls_printf(USAGE3);
+        mbedtls_printf(USAGE4);
 
         list = mbedtls_ssl_list_ciphersuites();
-        while( *list )
-        {
-            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name( *list ) );
+        while (*list) {
+            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
-            if( !*list )
+            if (!*list) {
                 break;
-            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+            }
+            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
         }
         mbedtls_printf("\n");
@@ -937,7 +925,7 @@
     opt.ecjpake_pw_opaque   = DFL_ECJPAKE_PW_OPAQUE;
 #endif
     opt.ec_max_ops          = DFL_EC_MAX_OPS;
-    opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
+    opt.force_ciphersuite[0] = DFL_FORCE_CIPHER;
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     opt.tls13_kex_modes     = DFL_TLS1_3_KEX_MODES;
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
@@ -987,157 +975,142 @@
     opt.key_opaque_alg1     = DFL_KEY_OPAQUE_ALG;
     opt.key_opaque_alg2     = DFL_KEY_OPAQUE_ALG;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "server_name" ) == 0 )
+        if (strcmp(p, "server_name") == 0) {
             opt.server_name = q;
-        else if( strcmp( p, "server_addr" ) == 0 )
+        } else if (strcmp(p, "server_addr") == 0) {
             opt.server_addr = q;
-        else if( strcmp( p, "server_port" ) == 0 )
+        } else if (strcmp(p, "server_port") == 0) {
             opt.server_port = q;
-        else if( strcmp( p, "dtls" ) == 0 )
-        {
-            int t = atoi( q );
-            if( t == 0 )
+        } else if (strcmp(p, "dtls") == 0) {
+            int t = atoi(q);
+            if (t == 0) {
                 opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM;
-            else if( t == 1 )
+            } else if (t == 1) {
                 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "debug_level" ) == 0 )
-        {
-            opt.debug_level = atoi( q );
-            if( opt.debug_level < 0 || opt.debug_level > 65535 )
+            }
+        } else if (strcmp(p, "debug_level") == 0) {
+            opt.debug_level = atoi(q);
+            if (opt.debug_level < 0 || opt.debug_level > 65535) {
                 goto usage;
-        }
-        else if( strcmp( p, "build_version" ) == 0 )
-        {
-            if( strcmp( q, "1" ) == 0 )
-            {
-                mbedtls_printf( "build version: %s (build %d)\n",
-                                MBEDTLS_VERSION_STRING_FULL,
-                                MBEDTLS_VERSION_NUMBER );
+            }
+        } else if (strcmp(p, "build_version") == 0) {
+            if (strcmp(q, "1") == 0) {
+                mbedtls_printf("build version: %s (build %d)\n",
+                               MBEDTLS_VERSION_STRING_FULL,
+                               MBEDTLS_VERSION_NUMBER);
                 goto exit;
             }
-        }
-        else if( strcmp( p, "context_crt_cb" ) == 0 )
-        {
-            opt.context_crt_cb = atoi( q );
-            if( opt.context_crt_cb != 0 && opt.context_crt_cb != 1 )
+        } else if (strcmp(p, "context_crt_cb") == 0) {
+            opt.context_crt_cb = atoi(q);
+            if (opt.context_crt_cb != 0 && opt.context_crt_cb != 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "nbio" ) == 0 )
-        {
-            opt.nbio = atoi( q );
-            if( opt.nbio < 0 || opt.nbio > 2 )
+            }
+        } else if (strcmp(p, "nbio") == 0) {
+            opt.nbio = atoi(q);
+            if (opt.nbio < 0 || opt.nbio > 2) {
                 goto usage;
-        }
-        else if( strcmp( p, "event" ) == 0 )
-        {
-            opt.event = atoi( q );
-            if( opt.event < 0 || opt.event > 2 )
+            }
+        } else if (strcmp(p, "event") == 0) {
+            opt.event = atoi(q);
+            if (opt.event < 0 || opt.event > 2) {
                 goto usage;
-        }
-        else if( strcmp( p, "read_timeout" ) == 0 )
-            opt.read_timeout = atoi( q );
-        else if( strcmp( p, "max_resend" ) == 0 )
-        {
-            opt.max_resend = atoi( q );
-            if( opt.max_resend < 0 )
+            }
+        } else if (strcmp(p, "read_timeout") == 0) {
+            opt.read_timeout = atoi(q);
+        } else if (strcmp(p, "max_resend") == 0) {
+            opt.max_resend = atoi(q);
+            if (opt.max_resend < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "request_page" ) == 0 )
+            }
+        } else if (strcmp(p, "request_page") == 0) {
             opt.request_page = q;
-        else if( strcmp( p, "request_size" ) == 0 )
-        {
-            opt.request_size = atoi( q );
-            if( opt.request_size < 0 ||
-                opt.request_size > MAX_REQUEST_SIZE )
+        } else if (strcmp(p, "request_size") == 0) {
+            opt.request_size = atoi(q);
+            if (opt.request_size < 0 ||
+                opt.request_size > MAX_REQUEST_SIZE) {
                 goto usage;
-        }
-        else if( strcmp( p, "ca_file" ) == 0 )
+            }
+        } else if (strcmp(p, "ca_file") == 0) {
             opt.ca_file = q;
-        else if( strcmp( p, "ca_path" ) == 0 )
+        } else if (strcmp(p, "ca_path") == 0) {
             opt.ca_path = q;
-        else if( strcmp( p, "crt_file" ) == 0 )
+        } else if (strcmp(p, "crt_file") == 0) {
             opt.crt_file = q;
-        else if( strcmp( p, "key_file" ) == 0 )
+        } else if (strcmp(p, "key_file") == 0) {
             opt.key_file = q;
-        else if( strcmp( p, "key_pwd" ) == 0 )
+        } else if (strcmp(p, "key_pwd") == 0) {
             opt.key_pwd = q;
+        }
 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-        else if( strcmp( p, "key_opaque" ) == 0 )
-            opt.key_opaque = atoi( q );
+        else if (strcmp(p, "key_opaque") == 0) {
+            opt.key_opaque = atoi(q);
+        }
 #endif
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-        else if( strcmp( p, "cid" ) == 0 )
-        {
-            opt.cid_enabled = atoi( q );
-            if( opt.cid_enabled != 0 && opt.cid_enabled != 1 )
+        else if (strcmp(p, "cid") == 0) {
+            opt.cid_enabled = atoi(q);
+            if (opt.cid_enabled != 0 && opt.cid_enabled != 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "cid_renego" ) == 0 )
-        {
-            opt.cid_enabled_renego = atoi( q );
-            if( opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1 )
+            }
+        } else if (strcmp(p, "cid_renego") == 0) {
+            opt.cid_enabled_renego = atoi(q);
+            if (opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "cid_val" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "cid_val") == 0) {
             opt.cid_val = q;
-        }
-        else if( strcmp( p, "cid_val_renego" ) == 0 )
-        {
+        } else if (strcmp(p, "cid_val_renego") == 0) {
             opt.cid_val_renego = q;
         }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
-        else if( strcmp( p, "psk" ) == 0 )
+        else if (strcmp(p, "psk") == 0) {
             opt.psk = q;
+        }
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        else if( strcmp( p, "psk_opaque" ) == 0 )
-            opt.psk_opaque = atoi( q );
+        else if (strcmp(p, "psk_opaque") == 0) {
+            opt.psk_opaque = atoi(q);
+        }
 #endif
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-        else if( strcmp( p, "ca_callback" ) == 0)
-            opt.ca_callback = atoi( q );
+        else if (strcmp(p, "ca_callback") == 0) {
+            opt.ca_callback = atoi(q);
+        }
 #endif
-        else if( strcmp( p, "psk_identity" ) == 0 )
+        else if (strcmp(p, "psk_identity") == 0) {
             opt.psk_identity = q;
-        else if( strcmp( p, "ecjpake_pw" ) == 0 )
+        } else if (strcmp(p, "ecjpake_pw") == 0) {
             opt.ecjpake_pw = q;
+        }
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        else if( strcmp( p, "ecjpake_pw_opaque" ) == 0 )
-            opt.ecjpake_pw_opaque = atoi( q );
+        else if (strcmp(p, "ecjpake_pw_opaque") == 0) {
+            opt.ecjpake_pw_opaque = atoi(q);
+        }
 #endif
-        else if( strcmp( p, "ec_max_ops" ) == 0 )
-            opt.ec_max_ops = atoi( q );
-        else if( strcmp( p, "force_ciphersuite" ) == 0 )
-        {
-            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+        else if (strcmp(p, "ec_max_ops") == 0) {
+            opt.ec_max_ops = atoi(q);
+        } else if (strcmp(p, "force_ciphersuite") == 0) {
+            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q);
 
-            if( opt.force_ciphersuite[0] == 0 )
-            {
+            if (opt.force_ciphersuite[0] == 0) {
                 ret = 2;
                 goto usage;
             }
             opt.force_ciphersuite[1] = 0;
-        }
-        else if( strcmp( p, "renegotiation" ) == 0 )
-        {
-            opt.renegotiation = (atoi( q )) ?
-                MBEDTLS_SSL_RENEGOTIATION_ENABLED :
-                MBEDTLS_SSL_RENEGOTIATION_DISABLED;
-        }
-        else if( strcmp( p, "allow_legacy" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "renegotiation") == 0) {
+            opt.renegotiation = (atoi(q)) ?
+                                MBEDTLS_SSL_RENEGOTIATION_ENABLED :
+                                MBEDTLS_SSL_RENEGOTIATION_DISABLED;
+        } else if (strcmp(p, "allow_legacy") == 0) {
+            switch (atoi(q)) {
                 case -1:
                     opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE;
                     break;
@@ -1149,59 +1122,47 @@
                     break;
                 default: goto usage;
             }
-        }
-        else if( strcmp( p, "renegotiate" ) == 0 )
-        {
-            opt.renegotiate = atoi( q );
-            if( opt.renegotiate < 0 || opt.renegotiate > 1 )
+        } else if (strcmp(p, "renegotiate") == 0) {
+            opt.renegotiate = atoi(q);
+            if (opt.renegotiate < 0 || opt.renegotiate > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "exchanges" ) == 0 )
-        {
-            opt.exchanges = atoi( q );
-            if( opt.exchanges < 1 )
+            }
+        } else if (strcmp(p, "exchanges") == 0) {
+            opt.exchanges = atoi(q);
+            if (opt.exchanges < 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "reconnect" ) == 0 )
-        {
-            opt.reconnect = atoi( q );
-            if( opt.reconnect < 0 || opt.reconnect > 2 )
+            }
+        } else if (strcmp(p, "reconnect") == 0) {
+            opt.reconnect = atoi(q);
+            if (opt.reconnect < 0 || opt.reconnect > 2) {
                 goto usage;
-        }
-        else if( strcmp( p, "reco_server_name" ) == 0 )
+            }
+        } else if (strcmp(p, "reco_server_name") == 0) {
             opt.reco_server_name = q;
-        else if( strcmp( p, "reco_delay" ) == 0 )
-        {
-            opt.reco_delay = atoi( q );
-            if( opt.reco_delay < 0 )
+        } else if (strcmp(p, "reco_delay") == 0) {
+            opt.reco_delay = atoi(q);
+            if (opt.reco_delay < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "reco_mode" ) == 0 )
-        {
-            opt.reco_mode = atoi( q );
-            if( opt.reco_mode < 0 )
+            }
+        } else if (strcmp(p, "reco_mode") == 0) {
+            opt.reco_mode = atoi(q);
+            if (opt.reco_mode < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "reconnect_hard" ) == 0 )
-        {
-            opt.reconnect_hard = atoi( q );
-            if( opt.reconnect_hard < 0 || opt.reconnect_hard > 1 )
+            }
+        } else if (strcmp(p, "reconnect_hard") == 0) {
+            opt.reconnect_hard = atoi(q);
+            if (opt.reconnect_hard < 0 || opt.reconnect_hard > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "tickets" ) == 0 )
-        {
-            opt.tickets = atoi( q );
-            if( opt.tickets < 0 )
+            }
+        } else if (strcmp(p, "tickets") == 0) {
+            opt.tickets = atoi(q);
+            if (opt.tickets < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "alpn" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "alpn") == 0) {
             opt.alpn_string = q;
-        }
-        else if( strcmp( p, "extended_ms" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "extended_ms") == 0) {
+            switch (atoi(q)) {
                 case 0:
                     opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED;
                     break;
@@ -1210,17 +1171,16 @@
                     break;
                 default: goto usage;
             }
-        }
-        else if( strcmp( p, "curves" ) == 0 )
+        } else if (strcmp(p, "curves") == 0) {
             opt.curves = q;
+        }
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-        else if( strcmp( p, "sig_algs" ) == 0 )
+        else if (strcmp(p, "sig_algs") == 0) {
             opt.sig_algs = q;
+        }
 #endif
-        else if( strcmp( p, "etm" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        else if (strcmp(p, "etm") == 0) {
+            switch (atoi(q)) {
                 case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break;
                 case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break;
                 default: goto usage;
@@ -1229,10 +1189,8 @@
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 #if defined(MBEDTLS_SSL_EARLY_DATA)
-        else if( strcmp( p, "early_data" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        else if (strcmp(p, "early_data") == 0) {
+            switch (atoi(q)) {
                 case 0:
                     opt.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
                     break;
@@ -1244,390 +1202,337 @@
         }
 #endif /* MBEDTLS_SSL_EARLY_DATA */
 
-        else if( strcmp( p, "tls13_kex_modes" ) == 0 )
-        {
-            if( strcmp( q, "psk" ) == 0 )
+        else if (strcmp(p, "tls13_kex_modes") == 0) {
+            if (strcmp(q, "psk") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK;
-            else if( strcmp(q, "psk_ephemeral" ) == 0 )
+            } else if (strcmp(q, "psk_ephemeral") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL;
-            else if( strcmp(q, "ephemeral" ) == 0 )
+            } else if (strcmp(q, "ephemeral") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL;
-            else if( strcmp(q, "ephemeral_all" ) == 0 )
+            } else if (strcmp(q, "ephemeral_all") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ALL;
-            else if( strcmp( q, "psk_all" ) == 0 )
+            } else if (strcmp(q, "psk_all") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL;
-            else if( strcmp( q, "all" ) == 0 )
+            } else if (strcmp(q, "all") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL;
-            else goto usage;
+            } else {
+                goto usage;
+            }
         }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-        else if( strcmp( p, "min_version" ) == 0 )
-        {
-            if( strcmp( q, "tls12" ) == 0 ||
-                     strcmp( q, "dtls12" ) == 0 )
+        else if (strcmp(p, "min_version") == 0) {
+            if (strcmp(q, "tls12") == 0 ||
+                strcmp(q, "dtls12") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
+            }
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-            else if( strcmp( q, "tls13" ) == 0 )
+            else if (strcmp(q, "tls13") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3;
+            }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-            else
+            else {
                 goto usage;
-        }
-        else if( strcmp( p, "max_version" ) == 0 )
-        {
-            if( strcmp( q, "tls12" ) == 0 ||
-                     strcmp( q, "dtls12" ) == 0 )
+            }
+        } else if (strcmp(p, "max_version") == 0) {
+            if (strcmp(q, "tls12") == 0 ||
+                strcmp(q, "dtls12") == 0) {
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
+            }
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-            else if( strcmp( q, "tls13" ) == 0 )
+            else if (strcmp(q, "tls13") == 0) {
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3;
+            }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-            else
+            else {
                 goto usage;
-        }
-        else if( strcmp( p, "allow_sha1" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+            }
+        } else if (strcmp(p, "allow_sha1") == 0) {
+            switch (atoi(q)) {
                 case 0:     opt.allow_sha1 = 0;   break;
                 case 1:     opt.allow_sha1 = 1;    break;
                 default:    goto usage;
             }
-        }
-        else if( strcmp( p, "force_version" ) == 0 )
-        {
-            if( strcmp( q, "tls12" ) == 0 )
-            {
+        } else if (strcmp(p, "force_version") == 0) {
+            if (strcmp(q, "tls12") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
-            }
-            else if( strcmp( q, "dtls12" ) == 0 )
-            {
+            } else if (strcmp(q, "dtls12") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
                 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
             }
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-            else if( strcmp( q, "tls13" ) == 0 )
-            {
+            else if (strcmp(q, "tls13") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3;
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3;
             }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-            else
+            else {
                 goto usage;
-        }
-        else if( strcmp( p, "auth_mode" ) == 0 )
-        {
-            if( strcmp( q, "none" ) == 0 )
+            }
+        } else if (strcmp(p, "auth_mode") == 0) {
+            if (strcmp(q, "none") == 0) {
                 opt.auth_mode = MBEDTLS_SSL_VERIFY_NONE;
-            else if( strcmp( q, "optional" ) == 0 )
+            } else if (strcmp(q, "optional") == 0) {
                 opt.auth_mode = MBEDTLS_SSL_VERIFY_OPTIONAL;
-            else if( strcmp( q, "required" ) == 0 )
+            } else if (strcmp(q, "required") == 0) {
                 opt.auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "max_frag_len" ) == 0 )
-        {
-            if( strcmp( q, "512" ) == 0 )
+            }
+        } else if (strcmp(p, "max_frag_len") == 0) {
+            if (strcmp(q, "512") == 0) {
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
-            else if( strcmp( q, "1024" ) == 0 )
+            } else if (strcmp(q, "1024") == 0) {
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024;
-            else if( strcmp( q, "2048" ) == 0 )
+            } else if (strcmp(q, "2048") == 0) {
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048;
-            else if( strcmp( q, "4096" ) == 0 )
+            } else if (strcmp(q, "4096") == 0) {
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "trunc_hmac" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+            }
+        } else if (strcmp(p, "trunc_hmac") == 0) {
+            switch (atoi(q)) {
                 case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break;
                 case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break;
                 default: goto usage;
             }
-        }
-        else if( strcmp( p, "hs_timeout" ) == 0 )
-        {
-            if( ( p = strchr( q, '-' ) ) == NULL )
-                goto usage;
-            *p++ = '\0';
-            opt.hs_to_min = atoi( q );
-            opt.hs_to_max = atoi( p );
-            if( opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min )
-                goto usage;
-        }
-        else if( strcmp( p, "mtu" ) == 0 )
-        {
-            opt.dtls_mtu = atoi( q );
-            if( opt.dtls_mtu < 0 )
-                goto usage;
-        }
-        else if( strcmp( p, "dgram_packing" ) == 0 )
-        {
-            opt.dgram_packing = atoi( q );
-            if( opt.dgram_packing != 0 &&
-                opt.dgram_packing != 1 )
-            {
+        } else if (strcmp(p, "hs_timeout") == 0) {
+            if ((p = strchr(q, '-')) == NULL) {
                 goto usage;
             }
-        }
-        else if( strcmp( p, "recsplit" ) == 0 )
-        {
-            opt.recsplit = atoi( q );
-            if( opt.recsplit < 0 || opt.recsplit > 1 )
+            *p++ = '\0';
+            opt.hs_to_min = atoi(q);
+            opt.hs_to_max = atoi(p);
+            if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min) {
                 goto usage;
-        }
-        else if( strcmp( p, "dhmlen" ) == 0 )
-        {
-            opt.dhmlen = atoi( q );
-            if( opt.dhmlen < 0 )
+            }
+        } else if (strcmp(p, "mtu") == 0) {
+            opt.dtls_mtu = atoi(q);
+            if (opt.dtls_mtu < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "query_config" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "dgram_packing") == 0) {
+            opt.dgram_packing = atoi(q);
+            if (opt.dgram_packing != 0 &&
+                opt.dgram_packing != 1) {
+                goto usage;
+            }
+        } else if (strcmp(p, "recsplit") == 0) {
+            opt.recsplit = atoi(q);
+            if (opt.recsplit < 0 || opt.recsplit > 1) {
+                goto usage;
+            }
+        } else if (strcmp(p, "dhmlen") == 0) {
+            opt.dhmlen = atoi(q);
+            if (opt.dhmlen < 0) {
+                goto usage;
+            }
+        } else if (strcmp(p, "query_config") == 0) {
             opt.query_config_mode = 1;
-            query_config_ret = query_config( q );
+            query_config_ret = query_config(q);
             goto exit;
-        }
-        else if( strcmp( p, "serialize") == 0 )
-        {
-            opt.serialize = atoi( q );
-            if( opt.serialize < 0 || opt.serialize > 2)
+        } else if (strcmp(p, "serialize") == 0) {
+            opt.serialize = atoi(q);
+            if (opt.serialize < 0 || opt.serialize > 2) {
                 goto usage;
-        }
-        else if( strcmp( p, "context_file") == 0 )
-        {
+            }
+        } else if (strcmp(p, "context_file") == 0) {
             opt.context_file = q;
-        }
-        else if( strcmp( p, "eap_tls" ) == 0 )
-        {
-            opt.eap_tls = atoi( q );
-            if( opt.eap_tls < 0 || opt.eap_tls > 1 )
+        } else if (strcmp(p, "eap_tls") == 0) {
+            opt.eap_tls = atoi(q);
+            if (opt.eap_tls < 0 || opt.eap_tls > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "reproducible" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "reproducible") == 0) {
             opt.reproducible = 1;
-        }
-        else if( strcmp( p, "nss_keylog" ) == 0 )
-        {
-            opt.nss_keylog = atoi( q );
-            if( opt.nss_keylog < 0 || opt.nss_keylog > 1 )
+        } else if (strcmp(p, "nss_keylog") == 0) {
+            opt.nss_keylog = atoi(q);
+            if (opt.nss_keylog < 0 || opt.nss_keylog > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "nss_keylog_file" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "nss_keylog_file") == 0) {
             opt.nss_keylog_file = q;
-        }
-        else if( strcmp( p, "skip_close_notify" ) == 0 )
-        {
-            opt.skip_close_notify = atoi( q );
-            if( opt.skip_close_notify < 0 || opt.skip_close_notify > 1 )
+        } else if (strcmp(p, "skip_close_notify") == 0) {
+            opt.skip_close_notify = atoi(q);
+            if (opt.skip_close_notify < 0 || opt.skip_close_notify > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "use_srtp" ) == 0 )
-        {
-            opt.use_srtp = atoi ( q );
-        }
-        else if( strcmp( p, "srtp_force_profile" ) == 0 )
-        {
-            opt.force_srtp_profile = atoi( q );
-        }
-        else if( strcmp( p, "mki" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "use_srtp") == 0) {
+            opt.use_srtp = atoi(q);
+        } else if (strcmp(p, "srtp_force_profile") == 0) {
+            opt.force_srtp_profile = atoi(q);
+        } else if (strcmp(p, "mki") == 0) {
             opt.mki = q;
-        }
-        else if( strcmp( p, "key_opaque_algs" ) == 0 )
-        {
-            if( key_opaque_alg_parse( q, &opt.key_opaque_alg1,
-                                         &opt.key_opaque_alg2 ) != 0 )
+        } else if (strcmp(p, "key_opaque_algs") == 0) {
+            if (key_opaque_alg_parse(q, &opt.key_opaque_alg1,
+                                     &opt.key_opaque_alg2) != 0) {
                 goto usage;
-        }
-        else
+            }
+        } else {
             goto usage;
+        }
     }
 
-    if( opt.nss_keylog != 0 && opt.eap_tls != 0 )
-    {
-        mbedtls_printf( "Error: eap_tls and nss_keylog options cannot be used together.\n" );
+    if (opt.nss_keylog != 0 && opt.eap_tls != 0) {
+        mbedtls_printf("Error: eap_tls and nss_keylog options cannot be used together.\n");
         goto usage;
     }
 
     /* Event-driven IO is incompatible with the above custom
      * receive and send functions, as the polling builds on
      * refers to the underlying net_context. */
-    if( opt.event == 1 && opt.nbio != 1 )
-    {
-        mbedtls_printf( "Warning: event-driven IO mandates nbio=1 - overwrite\n" );
+    if (opt.event == 1 && opt.nbio != 1) {
+        mbedtls_printf("Warning: event-driven IO mandates nbio=1 - overwrite\n");
         opt.nbio = 1;
     }
 
 #if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( opt.debug_level );
+    mbedtls_debug_set_threshold(opt.debug_level);
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
     /*
      * Unhexify the pre-shared key if any is given
      */
-    if( strlen( opt.psk ) )
-    {
-        if( mbedtls_test_unhexify( psk, sizeof( psk ),
-                                   opt.psk, &psk_len ) != 0 )
-        {
-            mbedtls_printf( "pre-shared key not valid\n" );
+    if (strlen(opt.psk)) {
+        if (mbedtls_test_unhexify(psk, sizeof(psk),
+                                  opt.psk, &psk_len) != 0) {
+            mbedtls_printf("pre-shared key not valid\n");
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
-        if( opt.psk == NULL )
-        {
-            mbedtls_printf( "psk_opaque set but no psk to be imported specified.\n" );
+    if (opt.psk_opaque != 0) {
+        if (opt.psk == NULL) {
+            mbedtls_printf("psk_opaque set but no psk to be imported specified.\n");
             ret = 2;
             goto usage;
         }
 
-        if( opt.force_ciphersuite[0] <= 0 )
-        {
-            mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+        if (opt.force_ciphersuite[0] <= 0) {
+            mbedtls_printf(
+                "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
             ret = 2;
             goto usage;
         }
     }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    if( opt.force_ciphersuite[0] > 0 )
-    {
+    if (opt.force_ciphersuite[0] > 0) {
         const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
         ciphersuite_info =
-            mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
+            mbedtls_ssl_ciphersuite_from_id(opt.force_ciphersuite[0]);
 
-        if( opt.max_version != -1 &&
-            ciphersuite_info->min_tls_version > opt.max_version )
-        {
-            mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+        if (opt.max_version != -1 &&
+            ciphersuite_info->min_tls_version > opt.max_version) {
+            mbedtls_printf("forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
-        if( opt.min_version != -1 &&
-            ciphersuite_info->max_tls_version < opt.min_version )
-        {
-            mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+        if (opt.min_version != -1 &&
+            ciphersuite_info->max_tls_version < opt.min_version) {
+            mbedtls_printf("forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
 
         /* If the server selects a version that's not supported by
          * this suite, then there will be no common ciphersuite... */
-        if( opt.max_version == -1 ||
-            opt.max_version > ciphersuite_info->max_tls_version )
-        {
+        if (opt.max_version == -1 ||
+            opt.max_version > ciphersuite_info->max_tls_version) {
             opt.max_version = ciphersuite_info->max_tls_version;
         }
-        if( opt.min_version < ciphersuite_info->min_tls_version )
-        {
+        if (opt.min_version < ciphersuite_info->min_tls_version) {
             opt.min_version = ciphersuite_info->min_tls_version;
             /* DTLS starts with TLS 1.2 */
-            if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
-                opt.min_version < MBEDTLS_SSL_VERSION_TLS1_2 )
+            if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+                opt.min_version < MBEDTLS_SSL_VERSION_TLS1_2) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
+            }
         }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-#if defined (MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
-        if( opt.psk_opaque != 0 )
-        {
+#if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
+        if (opt.psk_opaque != 0) {
             /* Determine KDF algorithm the opaque PSK will be used in. */
 #if defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-            if( ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
+            if (ciphersuite_info->mac == MBEDTLS_MD_SHA384) {
                 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384);
-            else
+            } else
 #endif /* MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA */
-                alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
+            alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
         }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
     }
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( mbedtls_test_unhexify( cid, sizeof( cid ),
-                               opt.cid_val, &cid_len ) != 0 )
-    {
-        mbedtls_printf( "CID not valid\n" );
+    if (mbedtls_test_unhexify(cid, sizeof(cid),
+                              opt.cid_val, &cid_len) != 0) {
+        mbedtls_printf("CID not valid\n");
         goto exit;
     }
 
     /* Keep CID settings for renegotiation unless
      * specified otherwise. */
-    if( opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO )
+    if (opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO) {
         opt.cid_enabled_renego = opt.cid_enabled;
-    if( opt.cid_val_renego == DFL_CID_VALUE_RENEGO )
+    }
+    if (opt.cid_val_renego == DFL_CID_VALUE_RENEGO) {
         opt.cid_val_renego = opt.cid_val;
+    }
 
-    if( mbedtls_test_unhexify( cid_renego, sizeof( cid_renego ),
-                               opt.cid_val_renego, &cid_renego_len ) != 0 )
-    {
-        mbedtls_printf( "CID not valid\n" );
+    if (mbedtls_test_unhexify(cid_renego, sizeof(cid_renego),
+                              opt.cid_val_renego, &cid_renego_len) != 0) {
+        mbedtls_printf("CID not valid\n");
         goto exit;
     }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_ECP_C)
-    if( opt.curves != NULL )
-    {
+    if (opt.curves != NULL) {
         p = (char *) opt.curves;
         i = 0;
 
-        if( strcmp( p, "none" ) == 0 )
-        {
+        if (strcmp(p, "none") == 0) {
             group_list[0] = 0;
-        }
-        else if( strcmp( p, "default" ) != 0 )
-        {
+        } else if (strcmp(p, "default") != 0) {
             /* Leave room for a final NULL in curve list */
-            while( i < CURVE_LIST_SIZE - 1 && *p != '\0' )
-            {
+            while (i < CURVE_LIST_SIZE - 1 && *p != '\0') {
                 q = p;
 
                 /* Terminate the current string */
-                while( *p != ',' && *p != '\0' )
+                while (*p != ',' && *p != '\0') {
                     p++;
-                if( *p == ',' )
-                    *p++ = '\0';
-
-                if( ( curve_cur = mbedtls_ecp_curve_info_from_name( q ) ) != NULL )
-                {
-                    group_list[i++] = curve_cur->tls_id;
                 }
-                else
-                {
-                    mbedtls_printf( "unknown curve %s\n", q );
-                    mbedtls_printf( "supported curves: " );
-                    for( curve_cur = mbedtls_ecp_curve_list();
+                if (*p == ',') {
+                    *p++ = '\0';
+                }
+
+                if ((curve_cur = mbedtls_ecp_curve_info_from_name(q)) != NULL) {
+                    group_list[i++] = curve_cur->tls_id;
+                } else {
+                    mbedtls_printf("unknown curve %s\n", q);
+                    mbedtls_printf("supported curves: ");
+                    for (curve_cur = mbedtls_ecp_curve_list();
                          curve_cur->grp_id != MBEDTLS_ECP_DP_NONE;
-                         curve_cur++ )
-                    {
-                        mbedtls_printf( "%s ", curve_cur->name );
+                         curve_cur++) {
+                        mbedtls_printf("%s ", curve_cur->name);
                     }
-                    mbedtls_printf( "\n" );
+                    mbedtls_printf("\n");
                     goto exit;
                 }
             }
 
-            mbedtls_printf("Number of curves: %d\n", i );
+            mbedtls_printf("Number of curves: %d\n", i);
 
-            if( i == CURVE_LIST_SIZE - 1 && *p != '\0' )
-            {
-                mbedtls_printf( "curves list too long, maximum %d",
-                                CURVE_LIST_SIZE - 1 );
+            if (i == CURVE_LIST_SIZE - 1 && *p != '\0') {
+                mbedtls_printf("curves list too long, maximum %d",
+                               CURVE_LIST_SIZE - 1);
                 goto exit;
             }
 
@@ -1637,99 +1542,65 @@
 #endif /* MBEDTLS_ECP_C */
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    if( opt.sig_algs != NULL )
-    {
+    if (opt.sig_algs != NULL) {
         p = (char *) opt.sig_algs;
         i = 0;
 
         /* Leave room for a final MBEDTLS_TLS1_3_SIG_NONE in signature algorithm list (sig_alg_list). */
-        while( i < SIG_ALG_LIST_SIZE - 1 && *p != '\0' )
-        {
+        while (i < SIG_ALG_LIST_SIZE - 1 && *p != '\0') {
             q = p;
 
             /* Terminate the current string */
-            while( *p != ',' && *p != '\0' )
+            while (*p != ',' && *p != '\0') {
                 p++;
-            if( *p == ',' )
+            }
+            if (*p == ',') {
                 *p++ = '\0';
+            }
 
-            if( strcmp( q, "rsa_pkcs1_sha256" ) == 0 )
-            {
+            if (strcmp(q, "rsa_pkcs1_sha256") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA256;
-            }
-            else if( strcmp( q, "rsa_pkcs1_sha384" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pkcs1_sha384") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA384;
-            }
-            else if( strcmp( q, "rsa_pkcs1_sha512" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pkcs1_sha512") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA512;
-            }
-            else if( strcmp( q, "ecdsa_secp256r1_sha256" ) == 0 )
-            {
+            } else if (strcmp(q, "ecdsa_secp256r1_sha256") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256;
-            }
-            else if( strcmp( q, "ecdsa_secp384r1_sha384" ) == 0 )
-            {
+            } else if (strcmp(q, "ecdsa_secp384r1_sha384") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384;
-            }
-            else if( strcmp( q, "ecdsa_secp521r1_sha512" ) == 0 )
-            {
+            } else if (strcmp(q, "ecdsa_secp521r1_sha512") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP521R1_SHA512;
-            }
-            else if( strcmp( q, "rsa_pss_rsae_sha256" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_rsae_sha256") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256;
-            }
-            else if( strcmp( q, "rsa_pss_rsae_sha384" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_rsae_sha384") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA384;
-            }
-            else if( strcmp( q, "rsa_pss_rsae_sha512" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_rsae_sha512") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA512;
-            }
-            else if( strcmp( q, "ed25519" ) == 0 )
-            {
+            } else if (strcmp(q, "ed25519") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED25519;
-            }
-            else if( strcmp( q, "ed448" ) == 0 )
-            {
+            } else if (strcmp(q, "ed448") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED448;
-            }
-            else if( strcmp( q, "rsa_pss_pss_sha256" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_pss_sha256") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA256;
-            }
-            else if( strcmp( q, "rsa_pss_pss_sha384" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_pss_sha384") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA384;
-            }
-            else if( strcmp( q, "rsa_pss_pss_sha512" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_pss_sha512") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA512;
-            }
-            else if( strcmp( q, "rsa_pkcs1_sha1" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pkcs1_sha1") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA1;
-            }
-            else if( strcmp( q, "ecdsa_sha1" ) == 0 )
-            {
+            } else if (strcmp(q, "ecdsa_sha1") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SHA1;
-            }
-            else
-            {
+            } else {
                 ret = -1;
-                mbedtls_printf( "unknown signature algorithm \"%s\"\n", q );
+                mbedtls_printf("unknown signature algorithm \"%s\"\n", q);
                 mbedtls_print_supported_sig_algs();
                 goto exit;
             }
         }
 
-        if( i == ( SIG_ALG_LIST_SIZE - 1 ) && *p != '\0' )
-        {
-            mbedtls_printf( "signature algorithm list too long, maximum %d",
-                            SIG_ALG_LIST_SIZE - 1 );
+        if (i == (SIG_ALG_LIST_SIZE - 1) && *p != '\0') {
+            mbedtls_printf("signature algorithm list too long, maximum %d",
+                           SIG_ALG_LIST_SIZE - 1);
             goto exit;
         }
 
@@ -1738,490 +1609,462 @@
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
 #if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-    {
+    if (opt.alpn_string != NULL) {
         p = (char *) opt.alpn_string;
         i = 0;
 
         /* Leave room for a final NULL in alpn_list */
-        while( i < ALPN_LIST_SIZE - 1 && *p != '\0' )
-        {
+        while (i < ALPN_LIST_SIZE - 1 && *p != '\0') {
             alpn_list[i++] = p;
 
             /* Terminate the current string and move on to next one */
-            while( *p != ',' && *p != '\0' )
+            while (*p != ',' && *p != '\0') {
                 p++;
-            if( *p == ',' )
+            }
+            if (*p == ',') {
                 *p++ = '\0';
+            }
         }
     }
 #endif /* MBEDTLS_SSL_ALPN */
 
-    mbedtls_printf( "build version: %s (build %d)\n",
-                    MBEDTLS_VERSION_STRING_FULL, MBEDTLS_VERSION_NUMBER );
+    mbedtls_printf("build version: %s (build %d)\n",
+                   MBEDTLS_VERSION_STRING_FULL, MBEDTLS_VERSION_NUMBER);
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    ret = rng_seed( &rng, opt.reproducible, pers );
-    if( ret != 0 )
+    ret = rng_seed(&rng, opt.reproducible, pers);
+    if (ret != 0) {
         goto exit;
-    mbedtls_printf( " ok\n" );
+    }
+    mbedtls_printf(" ok\n");
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
     /*
      * 1.1. Load the trusted CA
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    if( strcmp( opt.ca_path, "none" ) == 0 ||
-        strcmp( opt.ca_file, "none" ) == 0 )
-    {
+    if (strcmp(opt.ca_path, "none") == 0 ||
+        strcmp(opt.ca_file, "none") == 0) {
         ret = 0;
-    }
-    else
+    } else
 #if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.ca_path ) )
-        ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path );
-    else if( strlen( opt.ca_file ) )
-        ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
-    else
+    if (strlen(opt.ca_path)) {
+        ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path);
+    } else if (strlen(opt.ca_file)) {
+        ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file);
+    } else
 #endif
     {
 #if defined(MBEDTLS_PEM_PARSE_C)
-        for( i = 0; mbedtls_test_cas[i] != NULL; i++ )
-        {
-            ret = mbedtls_x509_crt_parse( &cacert,
-                                  (const unsigned char *) mbedtls_test_cas[i],
-                                  mbedtls_test_cas_len[i] );
-            if( ret != 0 )
+        for (i = 0; mbedtls_test_cas[i] != NULL; i++) {
+            ret = mbedtls_x509_crt_parse(&cacert,
+                                         (const unsigned char *) mbedtls_test_cas[i],
+                                         mbedtls_test_cas_len[i]);
+            if (ret != 0) {
                 break;
+            }
         }
 #endif /* MBEDTLS_PEM_PARSE_C */
-        if( ret == 0 )
-        {
-            for( i = 0; mbedtls_test_cas_der[i] != NULL; i++ )
-            {
-                ret = mbedtls_x509_crt_parse_der( &cacert,
-                             (const unsigned char *) mbedtls_test_cas_der[i],
-                             mbedtls_test_cas_der_len[i] );
-                if( ret != 0 )
+        if (ret == 0) {
+            for (i = 0; mbedtls_test_cas_der[i] != NULL; i++) {
+                ret = mbedtls_x509_crt_parse_der(&cacert,
+                                                 (const unsigned char *) mbedtls_test_cas_der[i],
+                                                 mbedtls_test_cas_der_len[i]);
+                if (ret != 0) {
                     break;
+                }
             }
         }
     }
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if (ret < 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1.2. Load own certificate and private key
      *
      * (can be skipped if client authentication is not required)
      */
-    mbedtls_printf( "  . Loading the client cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the client cert. and key...");
+    fflush(stdout);
 
-    if( strcmp( opt.crt_file, "none" ) == 0 )
+    if (strcmp(opt.crt_file, "none") == 0) {
         ret = 0;
-    else
+    } else
 #if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.crt_file ) )
-        ret = mbedtls_x509_crt_parse_file( &clicert, opt.crt_file );
-    else
+    if (strlen(opt.crt_file)) {
+        ret = mbedtls_x509_crt_parse_file(&clicert, opt.crt_file);
+    } else
 #endif
-        ret = mbedtls_x509_crt_parse( &clicert,
-                (const unsigned char *) mbedtls_test_cli_crt,
-                mbedtls_test_cli_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    { ret = mbedtls_x509_crt_parse(&clicert,
+                                   (const unsigned char *) mbedtls_test_cli_crt,
+                                   mbedtls_test_cli_crt_len); }
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    if( strcmp( opt.key_file, "none" ) == 0 )
+    if (strcmp(opt.key_file, "none") == 0) {
         ret = 0;
-    else
+    } else
 #if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.key_file ) )
-        ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, opt.key_pwd, rng_get, &rng );
-    else
+    if (strlen(opt.key_file)) {
+        ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, opt.key_pwd, rng_get, &rng);
+    } else
 #endif
-        ret = mbedtls_pk_parse_key( &pkey,
-                (const unsigned char *) mbedtls_test_cli_key,
-                mbedtls_test_cli_key_len, NULL, 0, rng_get, &rng );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    { ret = mbedtls_pk_parse_key(&pkey,
+                                 (const unsigned char *) mbedtls_test_cli_key,
+                                 mbedtls_test_cli_key_len, NULL, 0, rng_get, &rng); }
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.key_opaque != 0 )
-    {
+    if (opt.key_opaque != 0) {
         psa_algorithm_t psa_alg, psa_alg2 = PSA_ALG_NONE;
         psa_key_usage_t usage = 0;
 
-        if( key_opaque_set_alg_usage( opt.key_opaque_alg1,
-                                      opt.key_opaque_alg2,
-                                      &psa_alg, &psa_alg2,
-                                      &usage,
-                                      mbedtls_pk_get_type( &pkey ) ) == 0 )
-        {
-            ret = mbedtls_pk_wrap_as_opaque( &pkey, &key_slot, psa_alg,
-                                             usage, psa_alg2 );
-            if( ret != 0 )
-            {
-                mbedtls_printf( " failed\n  !  "
-                                "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
-                                (unsigned int)  -ret );
+        if (key_opaque_set_alg_usage(opt.key_opaque_alg1,
+                                     opt.key_opaque_alg2,
+                                     &psa_alg, &psa_alg2,
+                                     &usage,
+                                     mbedtls_pk_get_type(&pkey)) == 0) {
+            ret = mbedtls_pk_wrap_as_opaque(&pkey, &key_slot, psa_alg,
+                                            usage, psa_alg2);
+            if (ret != 0) {
+                mbedtls_printf(" failed\n  !  "
+                               "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
+                               (unsigned int)  -ret);
                 goto exit;
             }
         }
     }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    mbedtls_printf( " ok (key type: %s)\n",
-                    strlen( opt.key_file ) || strlen( opt.key_opaque_alg1 ) ?
-                            mbedtls_pk_get_name( &pkey ) : "none" );
+    mbedtls_printf(" ok (key type: %s)\n",
+                   strlen(opt.key_file) || strlen(opt.key_opaque_alg1) ?
+                   mbedtls_pk_get_name(&pkey) : "none");
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
     /*
      * 2. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_CLIENT,
-                    opt.transport,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_CLIENT,
+                                           opt.transport,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
     /* The default algorithms profile disables SHA-1, but our tests still
        rely on it heavily. */
-    if( opt.allow_sha1 > 0 )
-    {
-        crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 );
-        mbedtls_ssl_conf_cert_profile( &conf, &crt_profile_for_test );
-        mbedtls_ssl_conf_sig_algs( &conf, ssl_sig_algs_for_test );
+    if (opt.allow_sha1 > 0) {
+        crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1);
+        mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test);
+        mbedtls_ssl_conf_sig_algs(&conf, ssl_sig_algs_for_test);
     }
-    if( opt.context_crt_cb == 0 )
-        mbedtls_ssl_conf_verify( &conf, my_verify, NULL );
+    if (opt.context_crt_cb == 0) {
+        mbedtls_ssl_conf_verify(&conf, my_verify, NULL);
+    }
 
-    memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
+    memset(peer_crt_info, 0, sizeof(peer_crt_info));
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( opt.cid_enabled == 1 || opt.cid_enabled_renego == 1 )
-    {
-        if( opt.cid_enabled == 1        &&
+    if (opt.cid_enabled == 1 || opt.cid_enabled_renego == 1) {
+        if (opt.cid_enabled == 1        &&
             opt.cid_enabled_renego == 1 &&
-            cid_len != cid_renego_len )
-        {
-            mbedtls_printf( "CID length must not change during renegotiation\n" );
+            cid_len != cid_renego_len) {
+            mbedtls_printf("CID length must not change during renegotiation\n");
             goto usage;
         }
 
-        if( opt.cid_enabled == 1 )
-            ret = mbedtls_ssl_conf_cid( &conf, cid_len,
-                                        MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
-        else
-            ret = mbedtls_ssl_conf_cid( &conf, cid_renego_len,
-                                        MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+        if (opt.cid_enabled == 1) {
+            ret = mbedtls_ssl_conf_cid(&conf, cid_len,
+                                       MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
+        } else {
+            ret = mbedtls_ssl_conf_cid(&conf, cid_renego_len,
+                                       MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
+        }
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
-                            (unsigned int) -ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-    if( opt.auth_mode != DFL_AUTH_MODE )
-        mbedtls_ssl_conf_authmode( &conf, opt.auth_mode );
+    if (opt.auth_mode != DFL_AUTH_MODE) {
+        mbedtls_ssl_conf_authmode(&conf, opt.auth_mode);
+    }
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
-        mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min,
-                                            opt.hs_to_max );
+    if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX) {
+        mbedtls_ssl_conf_handshake_timeout(&conf, opt.hs_to_min,
+                                           opt.hs_to_max);
+    }
 
-    if( opt.dgram_packing != DFL_DGRAM_PACKING )
-        mbedtls_ssl_set_datagram_packing( &ssl, opt.dgram_packing );
+    if (opt.dgram_packing != DFL_DGRAM_PACKING) {
+        mbedtls_ssl_set_datagram_packing(&ssl, opt.dgram_packing);
+    }
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    if( ( ret = mbedtls_ssl_conf_max_frag_len( &conf, opt.mfl_code ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_max_frag_len returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_ssl_conf_max_frag_len(&conf, opt.mfl_code)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_max_frag_len returned %d\n\n",
+                       ret);
         goto exit;
     }
 #endif
 
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
     const mbedtls_ssl_srtp_profile forced_profile[] =
-                                { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
-    if( opt.use_srtp == 1 )
-    {
-        if( opt.force_srtp_profile != 0 )
-        {
-            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles ( &conf, forced_profile );
-        }
-        else
-        {
-            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles ( &conf, default_profiles );
+    { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
+    if (opt.use_srtp == 1) {
+        if (opt.force_srtp_profile != 0) {
+            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, forced_profile);
+        } else {
+            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, default_profiles);
         }
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! "
-                            "mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n",
-                            ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! "
+                           "mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n",
+                           ret);
             goto exit;
         }
 
-    }
-    else if( opt.force_srtp_profile != 0 )
-    {
-        mbedtls_printf( " failed\n  ! must enable use_srtp to force srtp profile\n\n" );
+    } else if (opt.force_srtp_profile != 0) {
+        mbedtls_printf(" failed\n  ! must enable use_srtp to force srtp profile\n\n");
         goto exit;
     }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-    if( opt.extended_ms != DFL_EXTENDED_MS )
-        mbedtls_ssl_conf_extended_master_secret( &conf, opt.extended_ms );
+    if (opt.extended_ms != DFL_EXTENDED_MS) {
+        mbedtls_ssl_conf_extended_master_secret(&conf, opt.extended_ms);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-    if( opt.etm != DFL_ETM )
-        mbedtls_ssl_conf_encrypt_then_mac( &conf, opt.etm );
+    if (opt.etm != DFL_ETM) {
+        mbedtls_ssl_conf_encrypt_then_mac(&conf, opt.etm);
+    }
 #endif
 
 #if defined(MBEDTLS_DHM_C)
-    if( opt.dhmlen != DFL_DHMLEN )
-        mbedtls_ssl_conf_dhm_min_bitlen( &conf, opt.dhmlen );
+    if (opt.dhmlen != DFL_DHMLEN) {
+        mbedtls_ssl_conf_dhm_min_bitlen(&conf, opt.dhmlen);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-        if( ( ret = mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n",
-                            ret );
+    if (opt.alpn_string != NULL) {
+        if ((ret = mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n",
+                           ret);
             goto exit;
         }
+    }
 #endif
 
-    if (opt.reproducible)
-    {
+    if (opt.reproducible) {
 #if defined(MBEDTLS_HAVE_TIME)
 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
-        mbedtls_platform_set_time( dummy_constant_time );
+        mbedtls_platform_set_time(dummy_constant_time);
 #else
-        fprintf( stderr, "Warning: reproducible option used without constant time\n" );
+        fprintf(stderr, "Warning: reproducible option used without constant time\n");
 #endif
 #endif  /* MBEDTLS_HAVE_TIME */
     }
-    mbedtls_ssl_conf_rng( &conf, rng_get, &rng );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, rng_get, &rng);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout );
+    mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout);
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    mbedtls_ssl_conf_session_tickets( &conf, opt.tickets );
+    mbedtls_ssl_conf_session_tickets(&conf, opt.tickets);
 #endif
 
-    if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
-        mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+    if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER) {
+        mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite);
+    }
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-    mbedtls_ssl_conf_tls13_key_exchange_modes( &conf, opt.tls13_kex_modes );
+    mbedtls_ssl_conf_tls13_key_exchange_modes(&conf, opt.tls13_kex_modes);
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
-    if( opt.allow_legacy != DFL_ALLOW_LEGACY )
-        mbedtls_ssl_conf_legacy_renegotiation( &conf, opt.allow_legacy );
+    if (opt.allow_legacy != DFL_ALLOW_LEGACY) {
+        mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy);
+    }
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    mbedtls_ssl_conf_renegotiation( &conf, opt.renegotiation );
+    mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation);
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    if( strcmp( opt.ca_path, "none" ) != 0 &&
-        strcmp( opt.ca_file, "none" ) != 0 )
-    {
+    if (strcmp(opt.ca_path, "none") != 0 &&
+        strcmp(opt.ca_file, "none") != 0) {
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-        if( opt.ca_callback != 0 )
-            mbedtls_ssl_conf_ca_cb( &conf, ca_callback, &cacert );
-        else
+        if (opt.ca_callback != 0) {
+            mbedtls_ssl_conf_ca_cb(&conf, ca_callback, &cacert);
+        } else
 #endif
-            mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+        mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
     }
-    if( strcmp( opt.crt_file, "none" ) != 0 &&
-        strcmp( opt.key_file, "none" ) != 0 )
-    {
-        if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &clicert, &pkey ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n",
-                            ret );
+    if (strcmp(opt.crt_file, "none") != 0 &&
+        strcmp(opt.key_file, "none") != 0) {
+        if ((ret = mbedtls_ssl_conf_own_cert(&conf, &clicert, &pkey)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
 #endif  /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
 #if defined(MBEDTLS_ECP_C)
-    if( opt.curves != NULL &&
-        strcmp( opt.curves, "default" ) != 0 )
-    {
-        mbedtls_ssl_conf_groups( &conf, group_list );
+    if (opt.curves != NULL &&
+        strcmp(opt.curves, "default") != 0) {
+        mbedtls_ssl_conf_groups(&conf, group_list);
     }
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    if( opt.sig_algs != NULL )
-        mbedtls_ssl_conf_sig_algs( &conf, sig_alg_list );
+    if (opt.sig_algs != NULL) {
+        mbedtls_ssl_conf_sig_algs(&conf, sig_alg_list);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
+    if (opt.psk_opaque != 0) {
         key_attributes = psa_key_attributes_init();
-        psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
-        psa_set_key_algorithm( &key_attributes, alg );
-        psa_set_key_type( &key_attributes, PSA_KEY_TYPE_DERIVE );
+        psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE);
+        psa_set_key_algorithm(&key_attributes, alg);
+        psa_set_key_type(&key_attributes, PSA_KEY_TYPE_DERIVE);
 
-        status = psa_import_key( &key_attributes, psk, psk_len, &slot );
-        if( status != PSA_SUCCESS )
-        {
+        status = psa_import_key(&key_attributes, psk, psk_len, &slot);
+        if (status != PSA_SUCCESS) {
             ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
             goto exit;
         }
 
-        if( ( ret = mbedtls_ssl_conf_psk_opaque( &conf, slot,
-                                  (const unsigned char *) opt.psk_identity,
-                                  strlen( opt.psk_identity ) ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
-                            ret );
+        if ((ret = mbedtls_ssl_conf_psk_opaque(&conf, slot,
+                                               (const unsigned char *) opt.psk_identity,
+                                               strlen(opt.psk_identity))) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
+                           ret);
             goto exit;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-    if( psk_len > 0 )
-    {
-        ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len,
-                             (const unsigned char *) opt.psk_identity,
-                             strlen( opt.psk_identity ) );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_psk returned %d\n\n", ret );
+    if (psk_len > 0) {
+        ret = mbedtls_ssl_conf_psk(&conf, psk, psk_len,
+                                   (const unsigned char *) opt.psk_identity,
+                                   strlen(opt.psk_identity));
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_psk returned %d\n\n", ret);
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
 
-    if( opt.min_version != DFL_MIN_VERSION )
-        mbedtls_ssl_conf_min_tls_version( &conf, opt.min_version );
+    if (opt.min_version != DFL_MIN_VERSION) {
+        mbedtls_ssl_conf_min_tls_version(&conf, opt.min_version);
+    }
 
-    if( opt.max_version != DFL_MAX_VERSION )
-        mbedtls_ssl_conf_max_tls_version( &conf, opt.max_version );
+    if (opt.max_version != DFL_MAX_VERSION) {
+        mbedtls_ssl_conf_max_tls_version(&conf, opt.max_version);
+    }
 
 #if defined(MBEDTLS_SSL_EARLY_DATA)
-    mbedtls_ssl_tls13_conf_early_data( &conf, opt.early_data );
+    mbedtls_ssl_tls13_conf_early_data(&conf, opt.early_data);
 #endif /* MBEDTLS_SSL_EARLY_DATA */
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    if( opt.eap_tls != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl, eap_tls_key_derivation,
-                                        &eap_tls_keying );
+    if (opt.eap_tls != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, eap_tls_key_derivation,
+                                       &eap_tls_keying);
+    } else if (opt.nss_keylog != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl,
+                                       nss_keylog_export,
+                                       NULL);
     }
-    else if( opt.nss_keylog != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl,
-                                        nss_keylog_export,
-                                        NULL );
-    }
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-    else if( opt.use_srtp != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl, dtls_srtp_key_derivation,
-                                        &dtls_srtp_keying );
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+    else if (opt.use_srtp != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, dtls_srtp_key_derivation,
+                                       &dtls_srtp_keying);
     }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
-                        ret );
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
+                       ret);
         goto exit;
     }
 #endif
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( opt.ecjpake_pw != DFL_ECJPAKE_PW )
-    {
+    if (opt.ecjpake_pw != DFL_ECJPAKE_PW) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if ( opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE )
-        {
+        if (opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE) {
             psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-            psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
-            psa_set_key_algorithm( &attributes, PSA_ALG_JPAKE );
-            psa_set_key_type( &attributes, PSA_KEY_TYPE_PASSWORD );
+            psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+            psa_set_key_algorithm(&attributes, PSA_ALG_JPAKE);
+            psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD);
 
-            status = psa_import_key( &attributes,
-                                (const unsigned char *) opt.ecjpake_pw,
-                                strlen( opt.ecjpake_pw ),
-                                &ecjpake_pw_slot );
-            if( status != PSA_SUCCESS )
-            {
-                mbedtls_printf( " failed\n  ! psa_import_key returned %d\n\n",
-                            status );
+            status = psa_import_key(&attributes,
+                                    (const unsigned char *) opt.ecjpake_pw,
+                                    strlen(opt.ecjpake_pw),
+                                    &ecjpake_pw_slot);
+            if (status != PSA_SUCCESS) {
+                mbedtls_printf(" failed\n  ! psa_import_key returned %d\n\n",
+                               status);
                 goto exit;
             }
-            if( ( ret = mbedtls_ssl_set_hs_ecjpake_password_opaque( &ssl,
-                                        ecjpake_pw_slot ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password_opaque returned %d\n\n", ret );
+            if ((ret = mbedtls_ssl_set_hs_ecjpake_password_opaque(&ssl,
+                                                                  ecjpake_pw_slot)) != 0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password_opaque returned %d\n\n",
+                    ret);
                 goto exit;
             }
-            mbedtls_printf( "using opaque password\n");
-        }
-        else
+            mbedtls_printf("using opaque password\n");
+        } else
 #endif  /* MBEDTLS_USE_PSA_CRYPTO */
         {
-            if( ( ret = mbedtls_ssl_set_hs_ecjpake_password( &ssl,
-                                        (const unsigned char *) opt.ecjpake_pw,
-                                        strlen( opt.ecjpake_pw ) ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", ret );
+            if ((ret = mbedtls_ssl_set_hs_ecjpake_password(&ssl,
+                                                           (const unsigned char *) opt.ecjpake_pw,
+                                                           strlen(opt.ecjpake_pw))) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n",
+                               ret);
                 goto exit;
             }
         }
@@ -2229,329 +2072,307 @@
 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    if( opt.context_crt_cb == 1 )
-        mbedtls_ssl_set_verify( &ssl, my_verify, NULL );
+    if (opt.context_crt_cb == 1) {
+        mbedtls_ssl_set_verify(&ssl, my_verify, NULL);
+    }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
     io_ctx.ssl = &ssl;
     io_ctx.net = &server_fd;
-    mbedtls_ssl_set_bio( &ssl, &io_ctx, send_cb, recv_cb,
-                         opt.nbio == 0 ? recv_timeout_cb : NULL );
+    mbedtls_ssl_set_bio(&ssl, &io_ctx, send_cb, recv_cb,
+                        opt.nbio == 0 ? recv_timeout_cb : NULL);
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled,
-                                         cid, cid_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
-                            ret );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled,
+                                       cid, cid_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.dtls_mtu != DFL_DTLS_MTU )
-        mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
+    if (opt.dtls_mtu != DFL_DTLS_MTU) {
+        mbedtls_ssl_set_mtu(&ssl, opt.dtls_mtu);
+    }
 #endif
 
 #if defined(MBEDTLS_TIMING_C)
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                                            mbedtls_timing_get_delay );
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
 #endif
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( opt.ec_max_ops != DFL_EC_MAX_OPS )
-        mbedtls_ecp_set_max_ops( opt.ec_max_ops );
+    if (opt.ec_max_ops != DFL_EC_MAX_OPS) {
+        mbedtls_ecp_set_max_ops(opt.ec_max_ops);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
-    if( opt.use_srtp != 0 && strlen( opt.mki ) != 0 )
-    {
-        if( mbedtls_test_unhexify( mki, sizeof( mki ),
-                                   opt.mki,&mki_len ) != 0 )
-        {
-            mbedtls_printf( "mki value not valid hex\n" );
+    if (opt.use_srtp != 0 && strlen(opt.mki) != 0) {
+        if (mbedtls_test_unhexify(mki, sizeof(mki),
+                                  opt.mki, &mki_len) != 0) {
+            mbedtls_printf("mki value not valid hex\n");
             goto exit;
         }
 
-        mbedtls_ssl_conf_srtp_mki_value_supported( &conf, MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED );
-        if( ( ret = mbedtls_ssl_dtls_srtp_set_mki_value( &ssl, mki,
-                                                         (uint16_t) strlen( opt.mki ) / 2 ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_dtls_srtp_set_mki_value returned %d\n\n", ret );
+        mbedtls_ssl_conf_srtp_mki_value_supported(&conf, MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED);
+        if ((ret = mbedtls_ssl_dtls_srtp_set_mki_value(&ssl, mki,
+                                                       (uint16_t) strlen(opt.mki) / 2)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_dtls_srtp_set_mki_value returned %d\n\n", ret);
             goto exit;
         }
     }
 #endif
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Start the connection
      */
-    if( opt.server_addr == NULL)
+    if (opt.server_addr == NULL) {
         opt.server_addr = opt.server_name;
+    }
 
-    mbedtls_printf( "  . Connecting to %s/%s/%s...",
-            opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
-            opt.server_addr, opt.server_port );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to %s/%s/%s...",
+                   opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
+                   opt.server_addr, opt.server_port);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd,
-                       opt.server_addr, opt.server_port,
-                       opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
-                       MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_net_connect(&server_fd,
+                                   opt.server_addr, opt.server_port,
+                                   opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+                                   MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    if( opt.nbio > 0 )
-        ret = mbedtls_net_set_nonblock( &server_fd );
-    else
-        ret = mbedtls_net_set_block( &server_fd );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if (opt.nbio > 0) {
+        ret = mbedtls_net_set_nonblock(&server_fd);
+    } else {
+        ret = mbedtls_net_set_block(&server_fd);
+    }
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! net_set_(non)block() returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
             ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-            ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n",
-                            (unsigned int) -ret );
-            if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED )
+            ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n",
+                           (unsigned int) -ret);
+            if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) {
                 mbedtls_printf(
                     "    Unable to verify the server's certificate. "
-                        "Either it is invalid,\n"
+                    "Either it is invalid,\n"
                     "    or you didn't set ca_file or ca_path "
-                        "to an appropriate value.\n"
+                    "to an appropriate value.\n"
                     "    Alternatively, you may want to use "
-                        "auth_mode=optional for testing purposes if "
-                        "not using TLS 1.3.\n"
+                    "auth_mode=optional for testing purposes if "
+                    "not using TLS 1.3.\n"
                     "    For TLS 1.3 server, try `ca_path=/etc/ssl/certs/`"
-                        "or other folder that has root certificates\n" );
-            mbedtls_printf( "\n" );
+                    "or other folder that has root certificates\n");
+            }
+            mbedtls_printf("\n");
             goto exit;
         }
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-        if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+        if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
             continue;
+        }
 #endif
 
         /* For event-driven IO, wait for socket to become available */
-        if( opt.event == 1 /* level triggered IO */ )
-        {
+        if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-            ret = idle( &server_fd, &timer, ret );
+            ret = idle(&server_fd, &timer, ret);
 #else
-            ret = idle( &server_fd, ret );
+            ret = idle(&server_fd, ret);
 #endif
-            if( ret != 0 )
+            if (ret != 0) {
                 goto exit;
+            }
         }
     }
 
     {
-        int suite_id = mbedtls_ssl_get_ciphersuite_id_from_ssl( &ssl );
+        int suite_id = mbedtls_ssl_get_ciphersuite_id_from_ssl(&ssl);
         const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
-        ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( suite_id );
+        ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(suite_id);
 
-        mbedtls_printf( " ok\n    [ Protocol is %s ]\n"
-                             "    [ Ciphersuite is %s ]\n"
-                             "    [ Key size is %u ]\n",
-          mbedtls_ssl_get_version( &ssl ),
-          mbedtls_ssl_ciphersuite_get_name( ciphersuite_info ),
-          (unsigned int)
-            mbedtls_ssl_ciphersuite_get_cipher_key_bitlen( ciphersuite_info ) );
+        mbedtls_printf(" ok\n    [ Protocol is %s ]\n"
+                       "    [ Ciphersuite is %s ]\n"
+                       "    [ Key size is %u ]\n",
+                       mbedtls_ssl_get_version(&ssl),
+                       mbedtls_ssl_ciphersuite_get_name(ciphersuite_info),
+                       (unsigned int)
+                       mbedtls_ssl_ciphersuite_get_cipher_key_bitlen(ciphersuite_info));
     }
 
-    if( ( ret = mbedtls_ssl_get_record_expansion( &ssl ) ) >= 0 )
-        mbedtls_printf( "    [ Record expansion is %d ]\n", ret );
-    else
-        mbedtls_printf( "    [ Record expansion is unknown ]\n" );
+    if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0) {
+        mbedtls_printf("    [ Record expansion is %d ]\n", ret);
+    } else {
+        mbedtls_printf("    [ Record expansion is unknown ]\n");
+    }
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    mbedtls_printf( "    [ Maximum incoming record payload length is %u ]\n",
-                    (unsigned int) mbedtls_ssl_get_max_in_record_payload( &ssl ) );
-    mbedtls_printf( "    [ Maximum outgoing record payload length is %u ]\n",
-                    (unsigned int) mbedtls_ssl_get_max_out_record_payload( &ssl ) );
+    mbedtls_printf("    [ Maximum incoming record payload length is %u ]\n",
+                   (unsigned int) mbedtls_ssl_get_max_in_record_payload(&ssl));
+    mbedtls_printf("    [ Maximum outgoing record payload length is %u ]\n",
+                   (unsigned int) mbedtls_ssl_get_max_out_record_payload(&ssl));
 #endif
 
 #if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-    {
-        const char *alp = mbedtls_ssl_get_alpn_protocol( &ssl );
-        mbedtls_printf( "    [ Application Layer Protocol is %s ]\n",
-                alp ? alp : "(none)" );
+    if (opt.alpn_string != NULL) {
+        const char *alp = mbedtls_ssl_get_alpn_protocol(&ssl);
+        mbedtls_printf("    [ Application Layer Protocol is %s ]\n",
+                       alp ? alp : "(none)");
     }
 #endif
 
-    if( opt.eap_tls != 0  )
-    {
+    if (opt.eap_tls != 0) {
         size_t j = 0;
 
-        if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type,
-                                         eap_tls_keying.master_secret,
-                                         sizeof( eap_tls_keying.master_secret ),
-                                         eap_tls_label,
-                                         eap_tls_keying.randbytes,
-                                         sizeof( eap_tls_keying.randbytes ),
-                                         eap_tls_keymaterial,
-                                         sizeof( eap_tls_keymaterial ) ) )
-                                         != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type,
+                                       eap_tls_keying.master_secret,
+                                       sizeof(eap_tls_keying.master_secret),
+                                       eap_tls_label,
+                                       eap_tls_keying.randbytes,
+                                       sizeof(eap_tls_keying.randbytes),
+                                       eap_tls_keymaterial,
+                                       sizeof(eap_tls_keymaterial)))
+            != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        mbedtls_printf( "    EAP-TLS key material is:" );
-        for( j = 0; j < sizeof( eap_tls_keymaterial ); j++ )
-        {
-            if( j % 8 == 0 )
+        mbedtls_printf("    EAP-TLS key material is:");
+        for (j = 0; j < sizeof(eap_tls_keymaterial); j++) {
+            if (j % 8 == 0) {
                 mbedtls_printf("\n    ");
-            mbedtls_printf("%02x ", eap_tls_keymaterial[j] );
+            }
+            mbedtls_printf("%02x ", eap_tls_keymaterial[j]);
         }
         mbedtls_printf("\n");
 
-        if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type, NULL, 0,
-                                         eap_tls_label,
-                                         eap_tls_keying.randbytes,
-                                         sizeof( eap_tls_keying.randbytes ),
-                                         eap_tls_iv,
-                                         sizeof( eap_tls_iv ) ) ) != 0 )
-         {
-             mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                             (unsigned int) -ret );
-             goto exit;
-         }
+        if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, NULL, 0,
+                                       eap_tls_label,
+                                       eap_tls_keying.randbytes,
+                                       sizeof(eap_tls_keying.randbytes),
+                                       eap_tls_iv,
+                                       sizeof(eap_tls_iv))) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                           (unsigned int) -ret);
+            goto exit;
+        }
 
-        mbedtls_printf( "    EAP-TLS IV is:" );
-        for( j = 0; j < sizeof( eap_tls_iv ); j++ )
-        {
-            if( j % 8 == 0 )
+        mbedtls_printf("    EAP-TLS IV is:");
+        for (j = 0; j < sizeof(eap_tls_iv); j++) {
+            if (j % 8 == 0) {
                 mbedtls_printf("\n    ");
-            mbedtls_printf("%02x ", eap_tls_iv[j] );
+            }
+            mbedtls_printf("%02x ", eap_tls_iv[j]);
         }
         mbedtls_printf("\n");
     }
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-    else if( opt.use_srtp != 0  )
-    {
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+    else if (opt.use_srtp != 0) {
         size_t j = 0;
         mbedtls_dtls_srtp_info dtls_srtp_negotiation_result;
-        mbedtls_ssl_get_dtls_srtp_negotiation_result( &ssl, &dtls_srtp_negotiation_result );
+        mbedtls_ssl_get_dtls_srtp_negotiation_result(&ssl, &dtls_srtp_negotiation_result);
 
-        if( dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
-                                == MBEDTLS_TLS_SRTP_UNSET )
-        {
-            mbedtls_printf( "    Unable to negotiate "
-                            "the use of DTLS-SRTP\n" );
-        }
-        else
-        {
-            if( ( ret = mbedtls_ssl_tls_prf( dtls_srtp_keying.tls_prf_type,
-                                             dtls_srtp_keying.master_secret,
-                                             sizeof( dtls_srtp_keying.master_secret ),
-                                             dtls_srtp_label,
-                                             dtls_srtp_keying.randbytes,
-                                             sizeof( dtls_srtp_keying.randbytes ),
-                                             dtls_srtp_key_material,
-                                             sizeof( dtls_srtp_key_material ) ) )
-                                             != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                                (unsigned int) -ret );
+        if (dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
+            == MBEDTLS_TLS_SRTP_UNSET) {
+            mbedtls_printf("    Unable to negotiate "
+                           "the use of DTLS-SRTP\n");
+        } else {
+            if ((ret = mbedtls_ssl_tls_prf(dtls_srtp_keying.tls_prf_type,
+                                           dtls_srtp_keying.master_secret,
+                                           sizeof(dtls_srtp_keying.master_secret),
+                                           dtls_srtp_label,
+                                           dtls_srtp_keying.randbytes,
+                                           sizeof(dtls_srtp_keying.randbytes),
+                                           dtls_srtp_key_material,
+                                           sizeof(dtls_srtp_key_material)))
+                != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                               (unsigned int) -ret);
                 goto exit;
             }
 
-            mbedtls_printf( "    DTLS-SRTP key material is:" );
-            for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
-            {
-                if( j % 8 == 0 )
-                    mbedtls_printf( "\n    " );
-                mbedtls_printf( "%02x ", dtls_srtp_key_material[j] );
+            mbedtls_printf("    DTLS-SRTP key material is:");
+            for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
+                if (j % 8 == 0) {
+                    mbedtls_printf("\n    ");
+                }
+                mbedtls_printf("%02x ", dtls_srtp_key_material[j]);
             }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
             /* produce a less readable output used to perform automatic checks
              * - compare client and server output
              * - interop test with openssl which client produces this kind of output
              */
-            mbedtls_printf( "    Keying material: " );
-            for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
-            {
-                mbedtls_printf( "%02X", dtls_srtp_key_material[j] );
+            mbedtls_printf("    Keying material: ");
+            for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
+                mbedtls_printf("%02X", dtls_srtp_key_material[j]);
             }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
-            if ( dtls_srtp_negotiation_result.mki_len > 0 )
-            {
-                mbedtls_printf( "    DTLS-SRTP mki value: " );
-                for( j = 0; j < dtls_srtp_negotiation_result.mki_len; j++ )
-                {
-                    mbedtls_printf( "%02X", dtls_srtp_negotiation_result.mki_value[j] );
+            if (dtls_srtp_negotiation_result.mki_len > 0) {
+                mbedtls_printf("    DTLS-SRTP mki value: ");
+                for (j = 0; j < dtls_srtp_negotiation_result.mki_len; j++) {
+                    mbedtls_printf("%02X", dtls_srtp_negotiation_result.mki_value[j]);
                 }
+            } else {
+                mbedtls_printf("    DTLS-SRTP no mki value negotiated");
             }
-            else
-            {
-                mbedtls_printf( "    DTLS-SRTP no mki value negotiated" );
-            }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
-    if( opt.reconnect != 0 && ssl.tls_version != MBEDTLS_SSL_VERSION_TLS1_3 )
-    {
-        mbedtls_printf("  . Saving session for reuse..." );
-        fflush( stdout );
+    if (opt.reconnect != 0 && ssl.tls_version != MBEDTLS_SSL_VERSION_TLS1_3) {
+        mbedtls_printf("  . Saving session for reuse...");
+        fflush(stdout);
 
-        if( opt.reco_mode == 1 )
-        {
-            if( ( ret = ssl_save_session_serialize( &ssl,
-                            &session_data, &session_data_len ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! ssl_save_session_serialize returned -0x%04x\n\n",
-                                (unsigned int) -ret );
+        if (opt.reco_mode == 1) {
+            if ((ret = ssl_save_session_serialize(&ssl,
+                                                  &session_data, &session_data_len)) != 0) {
+                mbedtls_printf(" failed\n  ! ssl_save_session_serialize returned -0x%04x\n\n",
+                               (unsigned int) -ret);
                 goto exit;
             }
 
-        }
-        else
-        {
-            if( ( ret = mbedtls_ssl_get_session( &ssl, &saved_session ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_get_session returned -0x%x\n\n",
-                                (unsigned int) -ret );
+        } else {
+            if ((ret = mbedtls_ssl_get_session(&ssl, &saved_session)) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_get_session returned -0x%x\n\n",
+                               (unsigned int) -ret);
                 goto exit;
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
-        if( opt.reco_mode == 1 )
-        {
-            mbedtls_printf( "    [ Saved %u bytes of session data]\n",
-                            (unsigned) session_data_len );
+        if (opt.reco_mode == 1) {
+            mbedtls_printf("    [ Saved %u bytes of session data]\n",
+                           (unsigned) session_data_len);
         }
     }
 
@@ -2559,89 +2380,85 @@
     /*
      * 5. Verify the server certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
         char vrfy_buf[512];
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
-        x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ),
-                                      "  ! ", flags );
+        x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf),
+                             "  ! ", flags);
 
-        mbedtls_printf( "%s\n", vrfy_buf );
+        mbedtls_printf("%s\n", vrfy_buf);
+    } else {
+        mbedtls_printf(" ok\n");
     }
-    else
-        mbedtls_printf( " ok\n" );
 
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
-    mbedtls_printf( "  . Peer certificate information    ...\n" );
-    mbedtls_printf( "%s\n", peer_crt_info );
+    mbedtls_printf("  . Peer certificate information    ...\n");
+    mbedtls_printf("%s\n", peer_crt_info);
 #endif /* !MBEDTLS_X509_REMOVE_INFO */
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    ret = report_cid_usage( &ssl, "initial handshake" );
-    if( ret != 0 )
+    ret = report_cid_usage(&ssl, "initial handshake");
+    if (ret != 0) {
         goto exit;
+    }
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled_renego,
-                                         cid_renego,
-                                         cid_renego_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
-                            ret );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled_renego,
+                                       cid_renego,
+                                       cid_renego_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    if( opt.renegotiate )
-    {
+    if (opt.renegotiate) {
         /*
          * Perform renegotiation (this must be done when the server is waiting
          * for input from our side).
          */
-        mbedtls_printf( "  . Performing renegotiation..." );
-        fflush( stdout );
-        while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+        mbedtls_printf("  . Performing renegotiation...");
+        fflush(stdout);
+        while ((ret = mbedtls_ssl_renegotiate(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
                 ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n",
-                                ret );
+                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n",
+                               ret);
                 goto exit;
             }
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-            if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+            if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
                 continue;
+            }
 #endif
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
+            if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                idle( &server_fd, &timer, ret );
+                idle(&server_fd, &timer, ret);
 #else
-                idle( &server_fd, ret );
+                idle(&server_fd, ret);
 #endif
             }
 
         }
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif /* MBEDTLS_SSL_RENEGOTIATION */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    ret = report_cid_usage( &ssl, "after renegotiation" );
-    if( ret != 0 )
+    ret = report_cid_usage(&ssl, "after renegotiation");
+    if (ret != 0) {
         goto exit;
+    }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
     /*
@@ -2649,120 +2466,111 @@
      */
     retry_left = opt.max_resend;
 send_request:
-    mbedtls_printf( "  > Write to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to server:");
+    fflush(stdout);
 
-    len = mbedtls_snprintf( (char *) buf, sizeof( buf ) - 1, GET_REQUEST,
-                            opt.request_page );
-    tail_len = (int) strlen( GET_REQUEST_END );
+    len = mbedtls_snprintf((char *) buf, sizeof(buf) - 1, GET_REQUEST,
+                           opt.request_page);
+    tail_len = (int) strlen(GET_REQUEST_END);
 
     /* Add padding to GET request to reach opt.request_size in length */
-    if( opt.request_size != DFL_REQUEST_SIZE &&
-        len + tail_len < opt.request_size )
-    {
-        memset( buf + len, 'A', opt.request_size - len - tail_len );
+    if (opt.request_size != DFL_REQUEST_SIZE &&
+        len + tail_len < opt.request_size) {
+        memset(buf + len, 'A', opt.request_size - len - tail_len);
         len += opt.request_size - len - tail_len;
     }
 
-    strncpy( (char *) buf + len, GET_REQUEST_END, sizeof( buf ) - len - 1 );
+    strncpy((char *) buf + len, GET_REQUEST_END, sizeof(buf) - len - 1);
     len += tail_len;
 
     /* Truncate if request size is smaller than the "natural" size */
-    if( opt.request_size != DFL_REQUEST_SIZE &&
-        len > opt.request_size )
-    {
+    if (opt.request_size != DFL_REQUEST_SIZE &&
+        len > opt.request_size) {
         len = opt.request_size;
 
         /* Still end with \r\n unless that's really not possible */
-        if( len >= 2 ) buf[len - 2] = '\r';
-        if( len >= 1 ) buf[len - 1] = '\n';
+        if (len >= 2) {
+            buf[len - 2] = '\r';
+        }
+        if (len >= 1) {
+            buf[len - 1] = '\n';
+        }
     }
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
         written = 0;
         frags = 0;
 
-        do
-        {
-            while( ( ret = mbedtls_ssl_write( &ssl, buf + written,
-                                              len - written ) ) < 0 )
-            {
-                if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+        do {
+            while ((ret = mbedtls_ssl_write(&ssl, buf + written,
+                                            len - written)) < 0) {
+                if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
                     ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-                    ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-                {
-                    mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned -0x%x\n\n",
-                                    (unsigned int) -ret );
+                    ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+                    mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned -0x%x\n\n",
+                                   (unsigned int) -ret);
                     goto exit;
                 }
 
                 /* For event-driven IO, wait for socket to become available */
-                if( opt.event == 1 /* level triggered IO */ )
-                {
+                if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                    idle( &server_fd, &timer, ret );
+                    idle(&server_fd, &timer, ret);
 #else
-                    idle( &server_fd, ret );
+                    idle(&server_fd, ret);
 #endif
                 }
             }
 
             frags++;
             written += ret;
-        }
-        while( written < len );
-    }
-    else /* Not stream, so datagram */
-    {
-        while( 1 )
-        {
-            ret = mbedtls_ssl_write( &ssl, buf, len );
+        } while (written < len);
+    } else { /* Not stream, so datagram */
+        while (1) {
+            ret = mbedtls_ssl_write(&ssl, buf, len);
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-            if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+            if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
                 continue;
+            }
 #endif
 
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-                ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+                ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
                 break;
+            }
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
+            if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                idle( &server_fd, &timer, ret );
+                idle(&server_fd, &timer, ret);
 #else
-                idle( &server_fd, ret );
+                idle(&server_fd, ret);
 #endif
             }
         }
 
-        if( ret < 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n",
-                            ret );
+        if (ret < 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n",
+                           ret);
             goto exit;
         }
 
         frags = 1;
         written = ret;
 
-        if( written < len )
-        {
-            mbedtls_printf( " warning\n  ! request didn't fit into single datagram and "
-                            "was truncated to size %u", (unsigned) written );
+        if (written < len) {
+            mbedtls_printf(" warning\n  ! request didn't fit into single datagram and "
+                           "was truncated to size %u", (unsigned) written);
         }
     }
 
     buf[written] = '\0';
-    mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n",
-                    written, frags, (char *) buf );
+    mbedtls_printf(" %d bytes written in %d fragments\n\n%s\n",
+                   written, frags, (char *) buf);
 
     /* Send a non-empty request if request_size == 0 */
-    if ( len == 0 )
-    {
+    if (len == 0) {
         opt.request_size = DFL_REQUEST_SIZE;
         goto send_request;
     }
@@ -2774,49 +2582,44 @@
     /*
      * TLS and DTLS need different reading styles (stream vs datagram)
      */
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_SESSION_TICKETS)
         int ticket_id = 0;
 #endif
-        do
-        {
-            len = sizeof( buf ) - 1;
-            memset( buf, 0, sizeof( buf ) );
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+        do {
+            len = sizeof(buf) - 1;
+            memset(buf, 0, sizeof(buf));
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-            if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+            if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
                 continue;
+            }
 #endif
 
-            if( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-                ret == MBEDTLS_ERR_SSL_WANT_WRITE )
-            {
+            if (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+                ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
                 /* For event-driven IO, wait for socket to become available */
-                if( opt.event == 1 /* level triggered IO */ )
-                {
+                if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                    idle( &server_fd, &timer, ret );
+                    idle(&server_fd, &timer, ret);
 #else
-                    idle( &server_fd, ret );
+                    idle(&server_fd, ret);
 #endif
                 }
                 continue;
             }
 
-            if( ret <= 0 )
-            {
-                switch( ret )
-                {
+            if (ret <= 0) {
+                switch (ret) {
                     case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                        mbedtls_printf( " connection was closed gracefully\n" );
+                        mbedtls_printf(" connection was closed gracefully\n");
                         ret = 0;
                         goto close_notify;
 
                     case 0:
                     case MBEDTLS_ERR_NET_CONN_RESET:
-                        mbedtls_printf( " connection was reset by peer\n" );
+                        mbedtls_printf(" connection was reset by peer\n");
                         ret = 0;
                         goto reconnect;
 
@@ -2826,39 +2629,35 @@
                     case MBEDTLS_ERR_SSL_RECEIVED_NEW_SESSION_TICKET:
                         /* We were waiting for application data but got
                          * a NewSessionTicket instead. */
-                        mbedtls_printf( " got new session ticket ( %d ).\n",
-                                        ticket_id++ );
-                        if( opt.reconnect != 0 )
-                        {
-                            mbedtls_printf("  . Saving session for reuse..." );
-                            fflush( stdout );
+                        mbedtls_printf(" got new session ticket ( %d ).\n",
+                                       ticket_id++);
+                        if (opt.reconnect != 0) {
+                            mbedtls_printf("  . Saving session for reuse...");
+                            fflush(stdout);
 
-                            if( opt.reco_mode == 1 )
-                            {
-                                if( ( ret = ssl_save_session_serialize( &ssl,
-                                                &session_data, &session_data_len ) ) != 0 )
-                                {
-                                    mbedtls_printf( " failed\n  ! ssl_save_session_serialize returned -0x%04x\n\n",
-                                                    (unsigned int) -ret );
+                            if (opt.reco_mode == 1) {
+                                if ((ret = ssl_save_session_serialize(&ssl,
+                                                                      &session_data,
+                                                                      &session_data_len)) != 0) {
+                                    mbedtls_printf(
+                                        " failed\n  ! ssl_save_session_serialize returned -0x%04x\n\n",
+                                        (unsigned int) -ret);
                                     goto exit;
                                 }
-                            }
-                            else
-                            {
-                                if( ( ret = mbedtls_ssl_get_session( &ssl, &saved_session ) ) != 0 )
-                                {
-                                    mbedtls_printf( " failed\n  ! mbedtls_ssl_get_session returned -0x%x\n\n",
-                                                    (unsigned int) -ret );
+                            } else {
+                                if ((ret = mbedtls_ssl_get_session(&ssl, &saved_session)) != 0) {
+                                    mbedtls_printf(
+                                        " failed\n  ! mbedtls_ssl_get_session returned -0x%x\n\n",
+                                        (unsigned int) -ret);
                                     goto exit;
                                 }
                             }
 
-                            mbedtls_printf( " ok\n" );
+                            mbedtls_printf(" ok\n");
 
-                            if( opt.reco_mode == 1 )
-                            {
-                                mbedtls_printf( "    [ Saved %u bytes of session data]\n",
-                                                (unsigned) session_data_len );
+                            if (opt.reco_mode == 1) {
+                                mbedtls_printf("    [ Saved %u bytes of session data]\n",
+                                               (unsigned) session_data_len);
                             }
                         }
                         continue;
@@ -2867,126 +2666,116 @@
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
                     default:
-                        mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n",
-                                        (unsigned int) -ret );
+                        mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n",
+                                       (unsigned int) -ret);
                         goto exit;
                 }
             }
 
             len = ret;
             buf[len] = '\0';
-            mbedtls_printf( "  < Read from server: %d bytes read\n\n%s", len, (char *) buf );
-            fflush( stdout );
+            mbedtls_printf("  < Read from server: %d bytes read\n\n%s", len, (char *) buf);
+            fflush(stdout);
             /* End of message should be detected according to the syntax of the
              * application protocol (eg HTTP), just use a dummy test here. */
-            if( ret > 0 && buf[len-1] == '\n' )
-            {
+            if (ret > 0 && buf[len-1] == '\n') {
                 ret = 0;
                 break;
             }
-        }
-        while( 1 );
-    }
-    else /* Not stream, so datagram */
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
+        } while (1);
+    } else { /* Not stream, so datagram */
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
 
-        while( 1 )
-        {
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+        while (1) {
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
-            if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+            if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
                 continue;
+            }
 #endif
 
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-                ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+                ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
                 break;
+            }
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
+            if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                idle( &server_fd, &timer, ret );
+                idle(&server_fd, &timer, ret);
 #else
-                idle( &server_fd, ret );
+                idle(&server_fd, ret);
 #endif
             }
         }
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_TIMEOUT:
-                    mbedtls_printf( " timeout\n" );
-                    if( retry_left-- > 0 )
+                    mbedtls_printf(" timeout\n");
+                    if (retry_left-- > 0) {
                         goto send_request;
+                    }
                     goto exit;
 
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( " connection was closed gracefully\n" );
+                    mbedtls_printf(" connection was closed gracefully\n");
                     ret = 0;
                     goto close_notify;
 
                 default:
-                    mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+                    mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret);
                     goto exit;
             }
         }
 
         len = ret;
         buf[len] = '\0';
-        mbedtls_printf( "  < Read from server: %d bytes read\n\n%s", len, (char *) buf );
+        mbedtls_printf("  < Read from server: %d bytes read\n\n%s", len, (char *) buf);
         ret = 0;
     }
 
     /*
      * 7b. Simulate hard reset and reconnect from same port?
      */
-    if( opt.reconnect_hard != 0 )
-    {
+    if (opt.reconnect_hard != 0) {
         opt.reconnect_hard = 0;
 
-        mbedtls_printf( "  . Restarting connection from same port..." );
-        fflush( stdout );
+        mbedtls_printf("  . Restarting connection from same port...");
+        fflush(stdout);
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-        memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
+        memset(peer_crt_info, 0, sizeof(peer_crt_info));
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
-        if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_session_reset(&ssl)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+        while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
                 ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
-                                (unsigned int) -ret );
+                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                               (unsigned int) -ret);
                 goto exit;
             }
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
+            if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                idle( &server_fd, &timer, ret );
+                idle(&server_fd, &timer, ret);
 #else
-                idle( &server_fd, ret );
+                idle(&server_fd, ret);
 #endif
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         goto send_request;
     }
@@ -2995,160 +2784,149 @@
      * 7c. Simulate serialize/deserialize and go back to data exchange
      */
 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-    if( opt.serialize != 0 )
-    {
+    if (opt.serialize != 0) {
         size_t buf_len;
 
-        mbedtls_printf( "  . Serializing live connection..." );
+        mbedtls_printf("  . Serializing live connection...");
 
-        ret = mbedtls_ssl_context_save( &ssl, NULL, 0, &buf_len );
-        if( ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_context_save returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        ret = mbedtls_ssl_context_save(&ssl, NULL, 0, &buf_len);
+        if (ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_context_save returned "
+                           "-0x%x\n\n", (unsigned int) -ret);
 
             goto exit;
         }
 
-        if( ( context_buf = mbedtls_calloc( 1, buf_len ) ) == NULL )
-        {
-            mbedtls_printf( " failed\n  ! Couldn't allocate buffer for "
-                            "serialized context" );
+        if ((context_buf = mbedtls_calloc(1, buf_len)) == NULL) {
+            mbedtls_printf(" failed\n  ! Couldn't allocate buffer for "
+                           "serialized context");
 
             goto exit;
         }
         context_buf_len = buf_len;
 
-        if( ( ret = mbedtls_ssl_context_save( &ssl, context_buf,
-                                              buf_len, &buf_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_context_save returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_context_save(&ssl, context_buf,
+                                            buf_len, &buf_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_context_save returned "
+                           "-0x%x\n\n", (unsigned int) -ret);
 
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /* Save serialized context to the 'opt.context_file' as a base64 code */
-        if( 0 < strlen( opt.context_file ) )
-        {
+        if (0 < strlen(opt.context_file)) {
             FILE *b64_file;
             uint8_t *b64_buf;
             size_t b64_len;
 
-            mbedtls_printf( "  . Save serialized context to a file... " );
+            mbedtls_printf("  . Save serialized context to a file... ");
 
-            mbedtls_base64_encode( NULL, 0, &b64_len, context_buf, buf_len );
+            mbedtls_base64_encode(NULL, 0, &b64_len, context_buf, buf_len);
 
-            if( ( b64_buf = mbedtls_calloc( 1, b64_len ) ) == NULL )
-            {
-                mbedtls_printf( "failed\n  ! Couldn't allocate buffer for "
-                                "the base64 code\n" );
+            if ((b64_buf = mbedtls_calloc(1, b64_len)) == NULL) {
+                mbedtls_printf("failed\n  ! Couldn't allocate buffer for "
+                               "the base64 code\n");
                 goto exit;
             }
 
-            if( ( ret = mbedtls_base64_encode( b64_buf, b64_len, &b64_len,
-                                               context_buf, buf_len ) ) != 0 )
-            {
-                mbedtls_printf( "failed\n  ! mbedtls_base64_encode returned "
-                            "-0x%x\n", (unsigned int) -ret );
-                mbedtls_free( b64_buf );
+            if ((ret = mbedtls_base64_encode(b64_buf, b64_len, &b64_len,
+                                             context_buf, buf_len)) != 0) {
+                mbedtls_printf("failed\n  ! mbedtls_base64_encode returned "
+                               "-0x%x\n", (unsigned int) -ret);
+                mbedtls_free(b64_buf);
                 goto exit;
             }
 
-            if( ( b64_file = fopen( opt.context_file, "w" ) ) == NULL )
-            {
-                mbedtls_printf( "failed\n  ! Cannot open '%s' for writing.\n",
-                                opt.context_file );
-                mbedtls_free( b64_buf );
+            if ((b64_file = fopen(opt.context_file, "w")) == NULL) {
+                mbedtls_printf("failed\n  ! Cannot open '%s' for writing.\n",
+                               opt.context_file);
+                mbedtls_free(b64_buf);
                 goto exit;
             }
 
-            if( b64_len != fwrite( b64_buf, 1, b64_len, b64_file ) )
-            {
-                mbedtls_printf( "failed\n  ! fwrite(%ld bytes) failed\n",
-                                (long) b64_len );
-                mbedtls_free( b64_buf );
-                fclose( b64_file );
+            if (b64_len != fwrite(b64_buf, 1, b64_len, b64_file)) {
+                mbedtls_printf("failed\n  ! fwrite(%ld bytes) failed\n",
+                               (long) b64_len);
+                mbedtls_free(b64_buf);
+                fclose(b64_file);
                 goto exit;
             }
 
-            mbedtls_free( b64_buf );
-            fclose( b64_file );
+            mbedtls_free(b64_buf);
+            fclose(b64_file);
 
-            mbedtls_printf( "ok\n" );
+            mbedtls_printf("ok\n");
         }
 
-        if( opt.serialize == 1 )
-        {
+        if (opt.serialize == 1) {
             /* nothing to do here, done by context_save() already */
-            mbedtls_printf( "  . Context has been reset... ok\n" );
+            mbedtls_printf("  . Context has been reset... ok\n");
         }
 
-        if( opt.serialize == 2 )
-        {
-            mbedtls_printf( "  . Freeing and reinitializing context..." );
+        if (opt.serialize == 2) {
+            mbedtls_printf("  . Freeing and reinitializing context...");
 
-            mbedtls_ssl_free( &ssl );
+            mbedtls_ssl_free(&ssl);
 
-            mbedtls_ssl_init( &ssl );
+            mbedtls_ssl_init(&ssl);
 
-            if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned "
-                                "-0x%x\n\n", (unsigned int) -ret );
+            if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned "
+                               "-0x%x\n\n", (unsigned int) -ret);
                 goto exit;
             }
 
-            if( opt.nbio == 2 )
-                mbedtls_ssl_set_bio( &ssl, &server_fd, delayed_send,
-                                     delayed_recv, NULL );
-            else
-                mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send,
-                            mbedtls_net_recv,
-                            opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL );
+            if (opt.nbio == 2) {
+                mbedtls_ssl_set_bio(&ssl, &server_fd, delayed_send,
+                                    delayed_recv, NULL);
+            } else {
+                mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send,
+                                    mbedtls_net_recv,
+                                    opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL);
+            }
 
 #if defined(MBEDTLS_TIMING_C)
-                mbedtls_ssl_set_timer_cb( &ssl, &timer,
-                                          mbedtls_timing_set_delay,
-                                          mbedtls_timing_get_delay );
+            mbedtls_ssl_set_timer_cb(&ssl, &timer,
+                                     mbedtls_timing_set_delay,
+                                     mbedtls_timing_get_delay);
 #endif /* MBEDTLS_TIMING_C */
 
-            mbedtls_printf( " ok\n" );
+            mbedtls_printf(" ok\n");
         }
 
-        mbedtls_printf( "  . Deserializing connection..." );
+        mbedtls_printf("  . Deserializing connection...");
 
-        if( ( ret = mbedtls_ssl_context_load( &ssl, context_buf,
-                                              buf_len ) ) != 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_context_load returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_context_load(&ssl, context_buf,
+                                            buf_len)) != 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_context_load returned "
+                           "-0x%x\n\n", (unsigned int) -ret);
 
             goto exit;
         }
 
-        mbedtls_free( context_buf );
+        mbedtls_free(context_buf);
         context_buf = NULL;
         context_buf_len = 0;
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
 
     /*
      * 7d. Continue doing data exchanges?
      */
-    if( --opt.exchanges > 0 )
+    if (--opt.exchanges > 0) {
         goto send_request;
+    }
 
     /*
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    mbedtls_printf( "  . Closing the connection..." );
-    fflush( stdout );
+    mbedtls_printf("  . Closing the connection...");
+    fflush(stdout);
 
     /*
      * Most of the time sending a close_notify before closing is the right
@@ -3162,108 +2940,100 @@
      * failures in tests that use DTLS and resumption with ssl_server2 in
      * ssl-opt.sh, avoided by enabling skip_close_notify client-side.
      */
-    if( opt.skip_close_notify == 0 )
-    {
+    if (opt.skip_close_notify == 0) {
         /* No error checking, the connection might be closed already */
-        do ret = mbedtls_ssl_close_notify( &ssl );
-        while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+        do {
+            ret = mbedtls_ssl_close_notify(&ssl);
+        } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
         ret = 0;
     }
 
-    mbedtls_printf( " done\n" );
+    mbedtls_printf(" done\n");
 
     /*
      * 9. Reconnect?
      */
 reconnect:
-    if( opt.reconnect != 0 )
-    {
+    if (opt.reconnect != 0) {
         --opt.reconnect;
 
-        mbedtls_net_free( &server_fd );
+        mbedtls_net_free(&server_fd);
 
 #if defined(MBEDTLS_TIMING_C)
-        if( opt.reco_delay > 0 )
-            mbedtls_net_usleep( 1000000 * opt.reco_delay );
+        if (opt.reco_delay > 0) {
+            mbedtls_net_usleep(1000000 * opt.reco_delay);
+        }
 #endif
 
-        mbedtls_printf( "  . Reconnecting with saved session..." );
+        mbedtls_printf("  . Reconnecting with saved session...");
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-        memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
+        memset(peer_crt_info, 0, sizeof(peer_crt_info));
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
-        if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_session_reset(&ssl)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        if( opt.reco_mode == 1 )
-        {
-            if( ( ret = mbedtls_ssl_session_load( &saved_session,
-                                                  session_data,
-                                                  session_data_len ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_session_load returned -0x%x\n\n",
-                                (unsigned int) -ret );
+        if (opt.reco_mode == 1) {
+            if ((ret = mbedtls_ssl_session_load(&saved_session,
+                                                session_data,
+                                                session_data_len)) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_session_load returned -0x%x\n\n",
+                               (unsigned int) -ret);
                 goto exit;
             }
         }
 
-        if( ( ret = mbedtls_ssl_set_session( &ssl, &saved_session ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_session returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_set_session(&ssl, &saved_session)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_session returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
-        if( opt.reco_server_name != NULL &&
-            ( ret = mbedtls_ssl_set_hostname( &ssl,
-                                              opt.reco_server_name ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
-                            ret );
+        if (opt.reco_server_name != NULL &&
+            (ret = mbedtls_ssl_set_hostname(&ssl,
+                                            opt.reco_server_name)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
+                           ret);
             goto exit;
         }
 #endif
 
-        if( ( ret = mbedtls_net_connect( &server_fd,
-                        opt.server_addr, opt.server_port,
-                        opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
-                        MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_net_connect returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_net_connect(&server_fd,
+                                       opt.server_addr, opt.server_port,
+                                       opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+                                       MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_net_connect returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        if( opt.nbio > 0 )
-            ret = mbedtls_net_set_nonblock( &server_fd );
-        else
-            ret = mbedtls_net_set_block( &server_fd );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if (opt.nbio > 0) {
+            ret = mbedtls_net_set_nonblock(&server_fd);
+        } else {
+            ret = mbedtls_net_set_block(&server_fd);
+        }
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! net_set_(non)block() returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+        while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
                 ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
-                                (unsigned int) -ret );
+                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                               (unsigned int) -ret);
                 goto exit;
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         goto send_request;
     }
@@ -3273,55 +3043,55 @@
      */
 exit:
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ssl_session_free( &saved_session );
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ssl_session_free(&saved_session);
 
-    if( session_data != NULL )
-        mbedtls_platform_zeroize( session_data, session_data_len );
-    mbedtls_free( session_data );
+    if (session_data != NULL) {
+        mbedtls_platform_zeroize(session_data, session_data_len);
+    }
+    mbedtls_free(session_data);
 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-    if( context_buf != NULL )
-        mbedtls_platform_zeroize( context_buf, context_buf_len );
-    mbedtls_free( context_buf );
+    if (context_buf != NULL) {
+        mbedtls_platform_zeroize(context_buf, context_buf_len);
+    }
+    mbedtls_free(context_buf);
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    mbedtls_x509_crt_free( &clicert );
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_pk_free( &pkey );
+    mbedtls_x509_crt_free(&clicert);
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_pk_free(&pkey);
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    psa_destroy_key( key_slot );
+    psa_destroy_key(key_slot);
 #endif
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) && \
     defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
+    if (opt.psk_opaque != 0) {
         /* This is ok even if the slot hasn't been
          * initialized (we might have jumed here
          * immediately because of bad cmd line params,
          * for example). */
-        status = psa_destroy_key( slot );
-        if( ( status != PSA_SUCCESS ) &&
-            ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
-        {
-            mbedtls_printf( "Failed to destroy key slot %u - error was %d",
-                            (unsigned) MBEDTLS_SVC_KEY_ID_GET_KEY_ID( slot ),
-                            (int) status );
-            if( ret == 0 )
+        status = psa_destroy_key(slot);
+        if ((status != PSA_SUCCESS) &&
+            (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) {
+            mbedtls_printf("Failed to destroy key slot %u - error was %d",
+                           (unsigned) MBEDTLS_SVC_KEY_ID_GET_KEY_ID(slot),
+                           (int) status);
+            if (ret == 0) {
                 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+            }
         }
     }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED &&
@@ -3333,32 +3103,29 @@
      * In case opaque keys it's the user responsibility to keep the key valid
      * for the duration of the handshake and destroy it at the end
      */
-    if( ( opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE ) )
-    {
+    if ((opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE)) {
         psa_key_attributes_t check_attributes = PSA_KEY_ATTRIBUTES_INIT;
 
         /* Verify that the key is still valid before destroying it */
-        if( psa_get_key_attributes( ecjpake_pw_slot, &check_attributes ) !=
-                PSA_SUCCESS )
-        {
-            if( ret == 0 )
+        if (psa_get_key_attributes(ecjpake_pw_slot, &check_attributes) !=
+            PSA_SUCCESS) {
+            if (ret == 0) {
                 ret = 1;
-            mbedtls_printf( "The EC J-PAKE password key has unexpectedly been already destroyed\n" );
-        }
-        else
-        {
-            psa_destroy_key( ecjpake_pw_slot );
+            }
+            mbedtls_printf("The EC J-PAKE password key has unexpectedly been already destroyed\n");
+        } else {
+            psa_destroy_key(ecjpake_pw_slot);
         }
     }
 #endif  /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED && MBEDTLS_USE_PSA_CRYPTO */
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
-    const char* message = mbedtls_test_helper_is_psa_leaking();
-    if( message )
-    {
-        if( ret == 0 )
+    const char *message = mbedtls_test_helper_is_psa_leaking();
+    if (message) {
+        if (ret == 0) {
             ret = 1;
-        mbedtls_printf( "PSA memory leak detected: %s\n",  message);
+        }
+        mbedtls_printf("PSA memory leak detected: %s\n",  message);
     }
 #endif /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */
 
@@ -3366,19 +3133,19 @@
      * resources are freed by rng_free(). */
 #if (defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)) && \
     !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
-    mbedtls_psa_crypto_free( );
+    mbedtls_psa_crypto_free();
 #endif
 
-    rng_free( &rng );
+    rng_free(&rng);
 
 #if defined(MBEDTLS_TEST_HOOKS)
-    if( test_hooks_failure_detected( ) )
-    {
-        if( ret == 0 )
+    if (test_hooks_failure_detected()) {
+        if (ret == 0) {
             ret = 1;
-        mbedtls_printf( "Test hooks detected errors.\n" );
+        }
+        mbedtls_printf("Test hooks detected errors.\n");
     }
-    test_hooks_free( );
+    test_hooks_free();
 #endif /* MBEDTLS_TEST_HOOKS */
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
@@ -3389,12 +3156,14 @@
 #endif  /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
 
     // Shell can not handle large exit numbers -> 1 for errors
-    if( ret < 0 )
+    if (ret < 0) {
         ret = 1;
+    }
 
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-        mbedtls_exit( ret );
-    else
-        mbedtls_exit( query_config_ret );
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        mbedtls_exit(ret);
+    } else {
+        mbedtls_exit(query_config_ret);
+    }
 }
 #endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
diff --git a/programs/ssl/ssl_context_info.c b/programs/ssl/ssl_context_info.c
index d0431f2..0ba0d2c 100644
--- a/programs/ssl/ssl_context_info.c
+++ b/programs/ssl/ssl_context_info.c
@@ -27,11 +27,11 @@
 
 #if !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_ERROR_C) || \
     !defined(MBEDTLS_SSL_TLS_C)
-int main( void )
+int main(void)
 {
     printf("MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_ERROR_C and/or "
            "MBEDTLS_SSL_TLS_C not defined.\n");
-    return( 0 );
+    return 0;
 }
 #else
 
@@ -62,18 +62,18 @@
 /*
  * Flags copied from the Mbed TLS library.
  */
-#define SESSION_CONFIG_TIME_BIT          ( 1 << 0 )
-#define SESSION_CONFIG_CRT_BIT           ( 1 << 1 )
-#define SESSION_CONFIG_CLIENT_TICKET_BIT ( 1 << 2 )
-#define SESSION_CONFIG_MFL_BIT           ( 1 << 3 )
-#define SESSION_CONFIG_TRUNC_HMAC_BIT    ( 1 << 4 )
-#define SESSION_CONFIG_ETM_BIT           ( 1 << 5 )
-#define SESSION_CONFIG_TICKET_BIT        ( 1 << 6 )
+#define SESSION_CONFIG_TIME_BIT          (1 << 0)
+#define SESSION_CONFIG_CRT_BIT           (1 << 1)
+#define SESSION_CONFIG_CLIENT_TICKET_BIT (1 << 2)
+#define SESSION_CONFIG_MFL_BIT           (1 << 3)
+#define SESSION_CONFIG_TRUNC_HMAC_BIT    (1 << 4)
+#define SESSION_CONFIG_ETM_BIT           (1 << 5)
+#define SESSION_CONFIG_TICKET_BIT        (1 << 6)
 
-#define CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT    ( 1 << 0 )
-#define CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT     ( 1 << 1 )
-#define CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT      ( 1 << 2 )
-#define CONTEXT_CONFIG_ALPN_BIT                  ( 1 << 3 )
+#define CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT    (1 << 0)
+#define CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT     (1 << 1)
+#define CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT      (1 << 2)
+#define CONTEXT_CONFIG_ALPN_BIT                  (1 << 3)
 
 #define TRANSFORM_RANDBYTE_LEN  64
 
@@ -88,28 +88,28 @@
 
 #define MAX_CONTEXT_LEN     875     /* without session data */
 #define MAX_SESSION_LEN     109     /* without certificate and ticket data */
-#define MAX_CERTIFICATE_LEN ( ( 1 << 24 ) - 1 )
-#define MAX_TICKET_LEN      ( ( 1 << 24 ) - 1 )
+#define MAX_CERTIFICATE_LEN ((1 << 24) - 1)
+#define MAX_TICKET_LEN      ((1 << 24) - 1)
 
-#define MIN_SERIALIZED_DATA ( MIN_CONTEXT_LEN + MIN_SESSION_LEN )
-#define MAX_SERIALIZED_DATA ( MAX_CONTEXT_LEN + MAX_SESSION_LEN + \
-                              MAX_CERTIFICATE_LEN + MAX_TICKET_LEN )
+#define MIN_SERIALIZED_DATA (MIN_CONTEXT_LEN + MIN_SESSION_LEN)
+#define MAX_SERIALIZED_DATA (MAX_CONTEXT_LEN + MAX_SESSION_LEN + \
+                             MAX_CERTIFICATE_LEN + MAX_TICKET_LEN)
 
-#define MIN_BASE64_LEN      ( MIN_SERIALIZED_DATA * 4 / 3 )
-#define MAX_BASE64_LEN      ( MAX_SERIALIZED_DATA * 4 / 3 + 3 )
+#define MIN_BASE64_LEN      (MIN_SERIALIZED_DATA * 4 / 3)
+#define MAX_BASE64_LEN      (MAX_SERIALIZED_DATA * 4 / 3 + 3)
 
 /*
  * A macro that prevents from reading out of the ssl buffer range.
  */
-#define CHECK_SSL_END( LEN )            \
-do                                      \
-{                                       \
-    if( end - ssl < (int)( LEN ) )      \
-    {                                   \
-        printf_err( "%s", buf_ln_err ); \
-        return;                         \
-    }                                   \
-} while( 0 )
+#define CHECK_SSL_END(LEN)            \
+    do                                      \
+    {                                       \
+        if (end - ssl < (int) (LEN))      \
+        {                                   \
+            printf_err("%s", buf_ln_err); \
+            return;                         \
+        }                                   \
+    } while (0)
 
 /*
  * Global values
@@ -124,17 +124,17 @@
 /*
  * Basic printing functions
  */
-void print_version( )
+void print_version()
 {
-    printf( "%s v%d.%d\n", PROG_NAME, VER_MAJOR, VER_MINOR );
+    printf("%s v%d.%d\n", PROG_NAME, VER_MAJOR, VER_MINOR);
 }
 
-void print_usage( )
+void print_usage()
 {
     print_version();
-    printf( "\nThis program is used to deserialize an Mbed TLS SSL session from the base64 code provided\n"
-            "in the text file. The program can deserialize many codes from one file, but they must be\n"
-            "separated, e.g. by a newline.\n\n" );
+    printf("\nThis program is used to deserialize an Mbed TLS SSL session from the base64 code provided\n"
+           "in the text file. The program can deserialize many codes from one file, but they must be\n"
+           "separated, e.g. by a newline.\n\n");
     printf(
         "Usage:\n"
         "\t-f path            - Path to the file with base64 code\n"
@@ -148,32 +148,31 @@
         "\t--dtls-protocol=0  - Use this option if you know that the Mbed TLS library\n"
         "\t                     has been compiled without the MBEDTLS_SSL_PROTO_DTLS flag\n"
         "\n"
-    );
+        );
 }
 
-void printf_dbg( const char *str, ... )
+void printf_dbg(const char *str, ...)
 {
-    if( debug )
-    {
+    if (debug) {
         va_list args;
-        va_start( args, str );
-        printf( "debug: " );
-        vprintf( str, args );
-        fflush( stdout );
-        va_end( args );
+        va_start(args, str);
+        printf("debug: ");
+        vprintf(str, args);
+        fflush(stdout);
+        va_end(args);
     }
 }
 
-MBEDTLS_PRINTF_ATTRIBUTE( 1, 2 )
-void printf_err( const char *str, ... )
+MBEDTLS_PRINTF_ATTRIBUTE(1, 2)
+void printf_err(const char *str, ...)
 {
     va_list args;
-    va_start( args, str );
-    fflush( stdout );
-    fprintf( stderr, "ERROR: " );
-    vfprintf( stderr, str, args );
-    fflush( stderr );
-    va_end( args );
+    va_start(args, str);
+    fflush(stdout);
+    fprintf(stderr, "ERROR: ");
+    vfprintf(stderr, str, args);
+    fflush(stderr);
+    va_end(args);
 }
 
 /*
@@ -181,70 +180,51 @@
  */
 void error_exit()
 {
-    if( NULL != b64_file )
-    {
-        fclose( b64_file );
+    if (NULL != b64_file) {
+        fclose(b64_file);
     }
-    exit( -1 );
+    exit(-1);
 }
 
 /*
  * This function takes the input arguments of this program
  */
-void parse_arguments( int argc, char *argv[] )
+void parse_arguments(int argc, char *argv[])
 {
     int i = 1;
 
-    if( argc < 2 )
-    {
+    if (argc < 2) {
         print_usage();
         error_exit();
     }
 
-    while( i < argc )
-    {
-        if( strcmp( argv[i], "-d" ) == 0 )
-        {
+    while (i < argc) {
+        if (strcmp(argv[i], "-d") == 0) {
             debug = 1;
-        }
-        else if( strcmp( argv[i], "-h" ) == 0 )
-        {
+        } else if (strcmp(argv[i], "-h") == 0) {
             print_usage();
-        }
-        else if( strcmp( argv[i], "-v" ) == 0 )
-        {
+        } else if (strcmp(argv[i], "-v") == 0) {
             print_version();
-        }
-        else if( strcmp( argv[i], "-f" ) == 0 )
-        {
-            if( ++i >= argc )
-            {
-                printf_err( "File path is empty\n" );
+        } else if (strcmp(argv[i], "-f") == 0) {
+            if (++i >= argc) {
+                printf_err("File path is empty\n");
                 error_exit();
             }
 
-            if( NULL != b64_file )
-            {
-                printf_err( "Cannot specify more than one file with -f\n" );
-                error_exit( );
-            }
-
-            if( ( b64_file = fopen( argv[i], "r" )) == NULL )
-            {
-                printf_err( "Cannot find file \"%s\"\n", argv[i] );
+            if (NULL != b64_file) {
+                printf_err("Cannot specify more than one file with -f\n");
                 error_exit();
             }
-        }
-        else if( strcmp( argv[i], "--keep-peer-cert=0" ) == 0 )
-        {
+
+            if ((b64_file = fopen(argv[i], "r")) == NULL) {
+                printf_err("Cannot find file \"%s\"\n", argv[i]);
+                error_exit();
+            }
+        } else if (strcmp(argv[i], "--keep-peer-cert=0") == 0) {
             conf_keep_peer_certificate = 0;
-        }
-        else if( strcmp( argv[i], "--dtls-protocol=0" ) == 0 )
-        {
+        } else if (strcmp(argv[i], "--dtls-protocol=0") == 0) {
             conf_dtls_proto = 0;
-        }
-        else
-        {
+        } else {
             print_usage();
             error_exit();
         }
@@ -256,22 +236,20 @@
 /*
  * This function prints base64 code to the stdout
  */
-void print_b64( const uint8_t *b, size_t len )
+void print_b64(const uint8_t *b, size_t len)
 {
     size_t i = 0;
     const uint8_t *end = b + len;
     printf("\t");
-    while( b < end )
-    {
-        if( ++i > 75 )
-        {
-            printf( "\n\t" );
+    while (b < end) {
+        if (++i > 75) {
+            printf("\n\t");
             i = 0;
         }
-        printf( "%c", *b++ );
+        printf("%c", *b++);
     }
-    printf( "\n" );
-    fflush( stdout );
+    printf("\n");
+    fflush(stdout);
 }
 
 /*
@@ -282,25 +260,22 @@
  * /p in_line   number of bytes in one line
  * /p prefix    prefix for the new lines
  */
-void print_hex( const uint8_t *b, size_t len,
-                const size_t in_line, const char *prefix )
+void print_hex(const uint8_t *b, size_t len,
+               const size_t in_line, const char *prefix)
 {
     size_t i = 0;
     const uint8_t *end = b + len;
 
-    if( prefix == NULL )
-    {
+    if (prefix == NULL) {
         prefix = "";
     }
 
-    while( b < end )
-    {
-        if( ++i > in_line )
-        {
-            printf( "\n%s", prefix );
+    while (b < end) {
+        if (++i > in_line) {
+            printf("\n%s", prefix);
             i = 1;
         }
-        printf( "%02X ", (uint8_t) *b++ );
+        printf("%02X ", (uint8_t) *b++);
     }
     printf("\n");
     fflush(stdout);
@@ -309,53 +284,48 @@
 /*
  *  Print the value of time_t in format e.g. 2020-01-23 13:05:59
  */
-void print_time( const uint64_t *time )
+void print_time(const uint64_t *time)
 {
 #if defined(MBEDTLS_HAVE_TIME)
     char buf[20];
-    struct tm *t = gmtime( (time_t*) time );
+    struct tm *t = gmtime((time_t *) time);
     static const char format[] = "%Y-%m-%d %H:%M:%S";
-    if( NULL != t )
-    {
-        strftime( buf, sizeof( buf ), format, t );
-        printf( "%s\n", buf );
-    }
-    else
-    {
-        printf( "unknown\n" );
+    if (NULL != t) {
+        strftime(buf, sizeof(buf), format, t);
+        printf("%s\n", buf);
+    } else {
+        printf("unknown\n");
     }
 #else
     (void) time;
-    printf( "not supported\n" );
+    printf("not supported\n");
 #endif
 }
 
 /*
  * Print the input string if the bit is set in the value
  */
-void print_if_bit( const char *str, int bit, int val )
+void print_if_bit(const char *str, int bit, int val)
 {
-    if( bit & val )
-    {
-        printf( "\t%s\n", str );
+    if (bit & val) {
+        printf("\t%s\n", str);
     }
 }
 
 /*
  * Return pointer to hardcoded "enabled" or "disabled" depending on the input value
  */
-const char * get_enabled_str( int is_en )
+const char *get_enabled_str(int is_en)
 {
-    return ( is_en ) ? "enabled" : "disabled";
+    return (is_en) ? "enabled" : "disabled";
 }
 
 /*
  * Return pointer to hardcoded MFL string value depending on the MFL code at the input
  */
-const char * get_mfl_str( int mfl_code )
+const char *get_mfl_str(int mfl_code)
 {
-    switch( mfl_code )
-    {
+    switch (mfl_code) {
         case MBEDTLS_SSL_MAX_FRAG_LEN_NONE:
             return "none";
         case MBEDTLS_SSL_MAX_FRAG_LEN_512:
@@ -386,125 +356,95 @@
  * \retval      number of bytes written in to the b64 buffer or 0 in case no more
  *              data was found
  */
-size_t read_next_b64_code( uint8_t **b64, size_t *max_len )
+size_t read_next_b64_code(uint8_t **b64, size_t *max_len)
 {
     int valid_balance = 0;  /* balance between valid and invalid characters */
     size_t len = 0;
     char pad = 0;
     int c = 0;
 
-    while( EOF != c )
-    {
+    while (EOF != c) {
         char c_valid = 0;
 
-        c = fgetc( b64_file );
+        c = fgetc(b64_file);
 
-        if( pad > 0 )
-        {
-            if( c == '=' && pad == 1 )
-            {
+        if (pad > 0) {
+            if (c == '=' && pad == 1) {
                 c_valid = 1;
                 pad = 2;
             }
-        }
-        else if( ( c >= 'A' && c <= 'Z' ) ||
-                 ( c >= 'a' && c <= 'z' ) ||
-                 ( c >= '0' && c <= '9' ) ||
-                   c == '+' || c == '/' )
-        {
+        } else if ((c >= 'A' && c <= 'Z') ||
+                   (c >= 'a' && c <= 'z') ||
+                   (c >= '0' && c <= '9') ||
+                   c == '+' || c == '/') {
             c_valid = 1;
-        }
-        else if( c == '=' )
-        {
+        } else if (c == '=') {
             c_valid = 1;
             pad = 1;
-        }
-        else if( c == '-' )
-        {
+        } else if (c == '-') {
             c = '+';
             c_valid = 1;
-        }
-        else if( c == '_' )
-        {
+        } else if (c == '_') {
             c = '/';
             c_valid = 1;
         }
 
-        if( c_valid )
-        {
+        if (c_valid) {
             /* A string of characters that could be a base64 code. */
             valid_balance++;
 
-            if( len < *max_len )
-            {
-                ( *b64 )[ len++ ] = c;
-            }
-            else if( *max_len < MAX_BASE64_LEN )
-            {
+            if (len < *max_len) {
+                (*b64)[len++] = c;
+            } else if (*max_len < MAX_BASE64_LEN) {
                 /* Current buffer is too small, but can be resized. */
                 void *ptr;
-                size_t new_size = ( MAX_BASE64_LEN - 4096 > *max_len ) ?
+                size_t new_size = (MAX_BASE64_LEN - 4096 > *max_len) ?
                                   *max_len + 4096 : MAX_BASE64_LEN;
 
-                ptr = realloc( *b64, new_size );
-                if( NULL == ptr )
-                {
-                    printf_err( alloc_err );
+                ptr = realloc(*b64, new_size);
+                if (NULL == ptr) {
+                    printf_err(alloc_err);
                     return 0;
                 }
                 *b64 = ptr;
                 *max_len = new_size;
-                ( *b64 )[ len++ ] = c;
-            }
-            else
-            {
+                (*b64)[len++] = c;
+            } else {
                 /* Too much data so it will be treated as invalid */
                 len++;
             }
-        }
-        else if( len > 0 )
-        {
+        } else if (len > 0) {
             /* End of a string that could be a base64 code, but need to check
              * that the length of the characters is correct. */
 
             valid_balance--;
 
-            if( len < MIN_CONTEXT_LEN )
-            {
-                printf_dbg( "The code found is too small to be a SSL context.\n" );
+            if (len < MIN_CONTEXT_LEN) {
+                printf_dbg("The code found is too small to be a SSL context.\n");
                 len = pad = 0;
-            }
-            else if( len > *max_len )
-            {
-                printf_err( "The code found is too large by %" MBEDTLS_PRINTF_SIZET " bytes.\n",
-                            len - *max_len );
+            } else if (len > *max_len) {
+                printf_err("The code found is too large by %" MBEDTLS_PRINTF_SIZET " bytes.\n",
+                           len - *max_len);
                 len = pad = 0;
-            }
-            else if( len % 4 != 0 )
-            {
-                printf_err( "The length of the base64 code found should be a multiple of 4.\n" );
+            } else if (len % 4 != 0) {
+                printf_err("The length of the base64 code found should be a multiple of 4.\n");
                 len = pad = 0;
-            }
-            else
-            {
+            } else {
                 /* Base64 code with valid character length. */
                 return len;
             }
-        }
-        else
-        {
+        } else {
             valid_balance--;
         }
 
         /* Detection of potentially wrong file format like: binary, zip, ISO, etc. */
-        if( valid_balance < -100 )
-        {
-            printf_err( "Too many bad symbols detected. File check aborted.\n" );
+        if (valid_balance < -100) {
+            printf_err("Too many bad symbols detected. File check aborted.\n");
             return 0;
         }
     }
 
-    printf_dbg( "End of file\n" );
+    printf_dbg("End of file\n");
     return 0;
 }
 
@@ -515,53 +455,45 @@
  *
  * /p ssl   pointer to serialized certificate
  * /p len   number of bytes in the buffer
-*/
-void print_deserialized_ssl_cert( const uint8_t *ssl, uint32_t len )
+ */
+void print_deserialized_ssl_cert(const uint8_t *ssl, uint32_t len)
 {
     enum { STRLEN = 4096 };
     mbedtls_x509_crt crt;
     int ret;
     char str[STRLEN];
 
-    printf( "\nCertificate:\n" );
+    printf("\nCertificate:\n");
 
-    mbedtls_x509_crt_init( &crt );
-    ret = mbedtls_x509_crt_parse_der( &crt, ssl, len );
-    if( 0 != ret )
-    {
-        mbedtls_strerror( ret, str, STRLEN );
-        printf_err( "Invalid format of X.509 - %s\n", str );
-        printf( "Cannot deserialize:\n\t" );
-        print_hex( ssl, len, 25, "\t" );
-    }
-    else
-    {
+    mbedtls_x509_crt_init(&crt);
+    ret = mbedtls_x509_crt_parse_der(&crt, ssl, len);
+    if (0 != ret) {
+        mbedtls_strerror(ret, str, STRLEN);
+        printf_err("Invalid format of X.509 - %s\n", str);
+        printf("Cannot deserialize:\n\t");
+        print_hex(ssl, len, 25, "\t");
+    } else {
         mbedtls_x509_crt *current = &crt;
 
-        while( current != NULL )
-        {
-            ret = mbedtls_x509_crt_info( str, STRLEN, "\t", current );
-            if( 0 > ret )
-            {
-                mbedtls_strerror( ret, str, STRLEN );
-                printf_err( "Cannot write to the output - %s\n", str );
-            }
-            else
-            {
-                printf( "%s", str );
+        while (current != NULL) {
+            ret = mbedtls_x509_crt_info(str, STRLEN, "\t", current);
+            if (0 > ret) {
+                mbedtls_strerror(ret, str, STRLEN);
+                printf_err("Cannot write to the output - %s\n", str);
+            } else {
+                printf("%s", str);
             }
 
             current = current->next;
 
-            if( current )
-            {
-                printf( "\n" );
+            if (current) {
+                printf("\n");
             }
 
         }
     }
 
-   mbedtls_x509_crt_free( &crt );
+    mbedtls_x509_crt_free(&crt);
 }
 #endif /* !MBEDTLS_X509_REMOVE_INFO */
 
@@ -590,226 +522,202 @@
  * /p len               number of bytes in the buffer
  * /p session_cfg_flag  session configuration flags
  */
-void print_deserialized_ssl_session( const uint8_t *ssl, uint32_t len,
-                                     int session_cfg_flag )
+void print_deserialized_ssl_session(const uint8_t *ssl, uint32_t len,
+                                    int session_cfg_flag)
 {
-    const struct mbedtls_ssl_ciphersuite_t * ciphersuite_info;
+    const struct mbedtls_ssl_ciphersuite_t *ciphersuite_info;
     int ciphersuite_id;
     uint32_t cert_len, ticket_len;
     uint32_t verify_result, ticket_lifetime;
     const uint8_t *end = ssl + len;
 
-    printf( "\nSession info:\n" );
+    printf("\nSession info:\n");
 
-    if( session_cfg_flag & SESSION_CONFIG_TIME_BIT )
-    {
+    if (session_cfg_flag & SESSION_CONFIG_TIME_BIT) {
         uint64_t start;
-        CHECK_SSL_END( 8 );
-        start = ( (uint64_t) ssl[0] << 56 ) |
-                ( (uint64_t) ssl[1] << 48 ) |
-                ( (uint64_t) ssl[2] << 40 ) |
-                ( (uint64_t) ssl[3] << 32 ) |
-                ( (uint64_t) ssl[4] << 24 ) |
-                ( (uint64_t) ssl[5] << 16 ) |
-                ( (uint64_t) ssl[6] <<  8 ) |
-                ( (uint64_t) ssl[7] );
+        CHECK_SSL_END(8);
+        start = ((uint64_t) ssl[0] << 56) |
+                ((uint64_t) ssl[1] << 48) |
+                ((uint64_t) ssl[2] << 40) |
+                ((uint64_t) ssl[3] << 32) |
+                ((uint64_t) ssl[4] << 24) |
+                ((uint64_t) ssl[5] << 16) |
+                ((uint64_t) ssl[6] <<  8) |
+                ((uint64_t) ssl[7]);
         ssl += 8;
-        printf( "\tstart time     : " );
-        print_time( &start );
+        printf("\tstart time     : ");
+        print_time(&start);
     }
 
-    CHECK_SSL_END( 2 );
-    ciphersuite_id = ( (int) ssl[0] << 8 ) | (int) ssl[1];
-    printf_dbg( "Ciphersuite ID: %d\n", ciphersuite_id );
+    CHECK_SSL_END(2);
+    ciphersuite_id = ((int) ssl[0] << 8) | (int) ssl[1];
+    printf_dbg("Ciphersuite ID: %d\n", ciphersuite_id);
     ssl += 2;
 
-    ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuite_id );
-    if( ciphersuite_info == NULL )
-    {
-        printf_err( "Cannot find ciphersuite info\n" );
-    }
-    else
-    {
+    ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(ciphersuite_id);
+    if (ciphersuite_info == NULL) {
+        printf_err("Cannot find ciphersuite info\n");
+    } else {
         const mbedtls_cipher_info_t *cipher_info;
 #if defined(MBEDTLS_MD_C)
         const mbedtls_md_info_t *md_info;
 #endif
 
-        printf( "\tciphersuite    : %s\n", ciphersuite_info->name );
-        printf( "\tcipher flags   : 0x%02X\n", ciphersuite_info->flags );
+        printf("\tciphersuite    : %s\n", ciphersuite_info->name);
+        printf("\tcipher flags   : 0x%02X\n", ciphersuite_info->flags);
 
-        cipher_info = mbedtls_cipher_info_from_type( ciphersuite_info->cipher );
-        if( cipher_info == NULL )
-        {
-            printf_err( "Cannot find cipher info\n" );
-        }
-        else
-        {
-            printf( "\tcipher         : %s\n", cipher_info->name );
+        cipher_info = mbedtls_cipher_info_from_type(ciphersuite_info->cipher);
+        if (cipher_info == NULL) {
+            printf_err("Cannot find cipher info\n");
+        } else {
+            printf("\tcipher         : %s\n", cipher_info->name);
         }
 #if defined(MBEDTLS_MD_C)
-        md_info = mbedtls_md_info_from_type( ciphersuite_info->mac );
-        if( md_info == NULL )
-        {
-            printf_err( "Cannot find Message-Digest info\n" );
-        }
-        else
-        {
-            printf( "\tMessage-Digest : %s\n", mbedtls_md_get_name( md_info ) );
+        md_info = mbedtls_md_info_from_type(ciphersuite_info->mac);
+        if (md_info == NULL) {
+            printf_err("Cannot find Message-Digest info\n");
+        } else {
+            printf("\tMessage-Digest : %s\n", mbedtls_md_get_name(md_info));
         }
 #endif /* MBEDTLS_MD_C */
     }
 
-    CHECK_SSL_END( 1 );
-    printf( "\tcompression    : %s\n", get_enabled_str( *ssl++ ) );
+    CHECK_SSL_END(1);
+    printf("\tcompression    : %s\n", get_enabled_str(*ssl++));
 
     /* Note - Here we can get session ID length from serialized data, but we
      * use hardcoded 32-bytes length. This approach was taken from
      * 'mbedtls_ssl_session_load()'. */
-    CHECK_SSL_END( 1 + 32 );
-    printf_dbg( "Session id length: %u\n", (uint32_t) *ssl++ );
-    printf( "\tsession ID     : ");
-    print_hex( ssl, 32, 16, "\t                 " );
+    CHECK_SSL_END(1 + 32);
+    printf_dbg("Session id length: %u\n", (uint32_t) *ssl++);
+    printf("\tsession ID     : ");
+    print_hex(ssl, 32, 16, "\t                 ");
     ssl += 32;
 
-    printf( "\tmaster secret  : ");
-    CHECK_SSL_END( 48 );
-    print_hex( ssl, 48, 16, "\t                 " );
+    printf("\tmaster secret  : ");
+    CHECK_SSL_END(48);
+    print_hex(ssl, 48, 16, "\t                 ");
     ssl += 48;
 
-    CHECK_SSL_END( 4 );
-    verify_result = ( (uint32_t) ssl[0] << 24 ) |
-                    ( (uint32_t) ssl[1] << 16 ) |
-                    ( (uint32_t) ssl[2] <<  8 ) |
-                    ( (uint32_t) ssl[3] );
+    CHECK_SSL_END(4);
+    verify_result = ((uint32_t) ssl[0] << 24) |
+                    ((uint32_t) ssl[1] << 16) |
+                    ((uint32_t) ssl[2] <<  8) |
+                    ((uint32_t) ssl[3]);
     ssl += 4;
-    printf( "\tverify result  : 0x%08X\n", verify_result );
+    printf("\tverify result  : 0x%08X\n", verify_result);
 
-    if( SESSION_CONFIG_CRT_BIT & session_cfg_flag )
-    {
-        if( conf_keep_peer_certificate )
-        {
-            CHECK_SSL_END( 3 );
-            cert_len = ( (uint32_t) ssl[0] << 16 ) |
-                       ( (uint32_t) ssl[1] <<  8 ) |
-                       ( (uint32_t) ssl[2] );
+    if (SESSION_CONFIG_CRT_BIT & session_cfg_flag) {
+        if (conf_keep_peer_certificate) {
+            CHECK_SSL_END(3);
+            cert_len = ((uint32_t) ssl[0] << 16) |
+                       ((uint32_t) ssl[1] <<  8) |
+                       ((uint32_t) ssl[2]);
             ssl += 3;
-            printf_dbg( "Certificate length: %u\n", cert_len );
+            printf_dbg("Certificate length: %u\n", cert_len);
 
-            if( cert_len > 0 )
-            {
-                CHECK_SSL_END( cert_len );
+            if (cert_len > 0) {
+                CHECK_SSL_END(cert_len);
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
-                print_deserialized_ssl_cert( ssl, cert_len );
+                print_deserialized_ssl_cert(ssl, cert_len);
 #endif
                 ssl += cert_len;
             }
-        }
-        else
-        {
-            printf( "\tPeer digest    : " );
+        } else {
+            printf("\tPeer digest    : ");
 
-            CHECK_SSL_END( 1 );
-            switch( (mbedtls_md_type_t) *ssl++ )
-            {
+            CHECK_SSL_END(1);
+            switch ((mbedtls_md_type_t) *ssl++) {
                 case MBEDTLS_MD_NONE:
-                    printf( "none\n" );
+                    printf("none\n");
                     break;
                 case MBEDTLS_MD_MD5:
-                    printf( "MD5\n" );
+                    printf("MD5\n");
                     break;
                 case MBEDTLS_MD_SHA1:
-                    printf( "SHA1\n" );
+                    printf("SHA1\n");
                     break;
                 case MBEDTLS_MD_SHA224:
-                    printf( "SHA224\n" );
+                    printf("SHA224\n");
                     break;
                 case MBEDTLS_MD_SHA256:
-                    printf( "SHA256\n" );
+                    printf("SHA256\n");
                     break;
                 case MBEDTLS_MD_SHA384:
-                    printf( "SHA384\n" );
+                    printf("SHA384\n");
                     break;
                 case MBEDTLS_MD_SHA512:
-                    printf( "SHA512\n" );
+                    printf("SHA512\n");
                     break;
                 case MBEDTLS_MD_RIPEMD160:
-                    printf( "RIPEMD160\n" );
+                    printf("RIPEMD160\n");
                     break;
                 default:
-                    printf( "undefined or erroneous\n" );
+                    printf("undefined or erroneous\n");
                     break;
             }
 
-            CHECK_SSL_END( 1 );
+            CHECK_SSL_END(1);
             cert_len  = (uint32_t) *ssl++;
-            printf_dbg( "Message-Digest length: %u\n", cert_len );
+            printf_dbg("Message-Digest length: %u\n", cert_len);
 
-            if( cert_len > 0 )
-            {
-                printf( "\tPeer digest cert : " );
-                CHECK_SSL_END( cert_len );
-                print_hex( ssl, cert_len, 16, "\t                   " );
+            if (cert_len > 0) {
+                printf("\tPeer digest cert : ");
+                CHECK_SSL_END(cert_len);
+                print_hex(ssl, cert_len, 16, "\t                   ");
                 ssl += cert_len;
             }
         }
     }
 
-    if( SESSION_CONFIG_CLIENT_TICKET_BIT & session_cfg_flag )
-    {
-        printf( "\nTicket:\n" );
+    if (SESSION_CONFIG_CLIENT_TICKET_BIT & session_cfg_flag) {
+        printf("\nTicket:\n");
 
-        CHECK_SSL_END( 3 );
-        ticket_len = ( (uint32_t) ssl[0] << 16 ) |
-                     ( (uint32_t) ssl[1] <<  8 ) |
-                     ( (uint32_t) ssl[2] );
+        CHECK_SSL_END(3);
+        ticket_len = ((uint32_t) ssl[0] << 16) |
+                     ((uint32_t) ssl[1] <<  8) |
+                     ((uint32_t) ssl[2]);
         ssl += 3;
-        printf_dbg( "Ticket length: %u\n", ticket_len );
+        printf_dbg("Ticket length: %u\n", ticket_len);
 
-        if( ticket_len > 0 )
-        {
-            printf( "\t" );
-            CHECK_SSL_END( ticket_len );
-            print_hex( ssl, ticket_len, 22, "\t" );
+        if (ticket_len > 0) {
+            printf("\t");
+            CHECK_SSL_END(ticket_len);
+            print_hex(ssl, ticket_len, 22, "\t");
             ssl += ticket_len;
-            printf( "\n" );
+            printf("\n");
         }
 
-        CHECK_SSL_END( 4 );
-        ticket_lifetime = ( (uint32_t) ssl[0] << 24 ) |
-                          ( (uint32_t) ssl[1] << 16 ) |
-                          ( (uint32_t) ssl[2] <<  8 ) |
-                          ( (uint32_t) ssl[3] );
+        CHECK_SSL_END(4);
+        ticket_lifetime = ((uint32_t) ssl[0] << 24) |
+                          ((uint32_t) ssl[1] << 16) |
+                          ((uint32_t) ssl[2] <<  8) |
+                          ((uint32_t) ssl[3]);
         ssl += 4;
-        printf( "\tlifetime : %u sec.\n", ticket_lifetime );
+        printf("\tlifetime : %u sec.\n", ticket_lifetime);
     }
 
-    if( ssl < end )
-    {
-        printf( "\nSession others:\n" );
+    if (ssl < end) {
+        printf("\nSession others:\n");
     }
 
-    if( SESSION_CONFIG_MFL_BIT & session_cfg_flag )
-    {
-        CHECK_SSL_END( 1 );
-        printf( "\tMFL                      : %s\n", get_mfl_str( *ssl++ ) );
+    if (SESSION_CONFIG_MFL_BIT & session_cfg_flag) {
+        CHECK_SSL_END(1);
+        printf("\tMFL                      : %s\n", get_mfl_str(*ssl++));
     }
 
-    if( SESSION_CONFIG_TRUNC_HMAC_BIT & session_cfg_flag )
-    {
-        CHECK_SSL_END( 1 );
-        printf( "\tnegotiate truncated HMAC : %s\n", get_enabled_str( *ssl++ ) );
+    if (SESSION_CONFIG_TRUNC_HMAC_BIT & session_cfg_flag) {
+        CHECK_SSL_END(1);
+        printf("\tnegotiate truncated HMAC : %s\n", get_enabled_str(*ssl++));
     }
 
-    if( SESSION_CONFIG_ETM_BIT & session_cfg_flag )
-    {
-        CHECK_SSL_END( 1 );
-        printf( "\tEncrypt-then-MAC         : %s\n", get_enabled_str( *ssl++ ) );
+    if (SESSION_CONFIG_ETM_BIT & session_cfg_flag) {
+        CHECK_SSL_END(1);
+        printf("\tEncrypt-then-MAC         : %s\n", get_enabled_str(*ssl++));
     }
 
-    if( 0 != ( end - ssl ) )
-    {
-        printf_err( "%i bytes left to analyze from session\n", (int32_t)( end - ssl ) );
+    if (0 != (end - ssl)) {
+        printf_err("%i bytes left to analyze from session\n", (int32_t) (end - ssl));
     }
 }
 
@@ -846,187 +754,175 @@
  * /p ssl   pointer to serialized session
  * /p len   number of bytes in the buffer
  */
-void print_deserialized_ssl_context( const uint8_t *ssl, size_t len )
+void print_deserialized_ssl_context(const uint8_t *ssl, size_t len)
 {
     const uint8_t *end = ssl + len;
     uint32_t session_len;
     int session_cfg_flag;
     int context_cfg_flag;
 
-    printf( "\nMbed TLS version:\n" );
+    printf("\nMbed TLS version:\n");
 
-    CHECK_SSL_END( 3 + 2 + 3 );
+    CHECK_SSL_END(3 + 2 + 3);
 
-    printf( "\tmajor    %u\n", (uint32_t) *ssl++ );
-    printf( "\tminor    %u\n", (uint32_t) *ssl++ );
-    printf( "\tpath     %u\n", (uint32_t) *ssl++ );
+    printf("\tmajor    %u\n", (uint32_t) *ssl++);
+    printf("\tminor    %u\n", (uint32_t) *ssl++);
+    printf("\tpath     %u\n", (uint32_t) *ssl++);
 
-    printf( "\nEnabled session and context configuration:\n" );
+    printf("\nEnabled session and context configuration:\n");
 
-    session_cfg_flag = ( (int) ssl[0] << 8 ) | ( (int) ssl[1] );
+    session_cfg_flag = ((int) ssl[0] << 8) | ((int) ssl[1]);
     ssl += 2;
 
-    context_cfg_flag = ( (int) ssl[0] << 16 ) |
-                       ( (int) ssl[1] <<  8 ) |
-                       ( (int) ssl[2] ) ;
+    context_cfg_flag = ((int) ssl[0] << 16) |
+                       ((int) ssl[1] <<  8) |
+                       ((int) ssl[2]);
     ssl += 3;
 
-    printf_dbg( "Session config flags 0x%04X\n", session_cfg_flag );
-    printf_dbg( "Context config flags 0x%06X\n", context_cfg_flag );
+    printf_dbg("Session config flags 0x%04X\n", session_cfg_flag);
+    printf_dbg("Context config flags 0x%06X\n", context_cfg_flag);
 
-    print_if_bit( "MBEDTLS_HAVE_TIME", SESSION_CONFIG_TIME_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_X509_CRT_PARSE_C", SESSION_CONFIG_CRT_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH", SESSION_CONFIG_MFL_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_ENCRYPT_THEN_MAC", SESSION_CONFIG_ETM_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_SESSION_TICKETS", SESSION_CONFIG_TICKET_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_SESSION_TICKETS and client", SESSION_CONFIG_CLIENT_TICKET_BIT, session_cfg_flag );
+    print_if_bit("MBEDTLS_HAVE_TIME", SESSION_CONFIG_TIME_BIT, session_cfg_flag);
+    print_if_bit("MBEDTLS_X509_CRT_PARSE_C", SESSION_CONFIG_CRT_BIT, session_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_MAX_FRAGMENT_LENGTH", SESSION_CONFIG_MFL_BIT, session_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_ENCRYPT_THEN_MAC", SESSION_CONFIG_ETM_BIT, session_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_SESSION_TICKETS", SESSION_CONFIG_TICKET_BIT, session_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_SESSION_TICKETS and client",
+                 SESSION_CONFIG_CLIENT_TICKET_BIT,
+                 session_cfg_flag);
 
-    print_if_bit( "MBEDTLS_SSL_DTLS_CONNECTION_ID", CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT, context_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_DTLS_ANTI_REPLAY", CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT, context_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_ALPN", CONTEXT_CONFIG_ALPN_BIT, context_cfg_flag );
+    print_if_bit("MBEDTLS_SSL_DTLS_CONNECTION_ID",
+                 CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT,
+                 context_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_DTLS_ANTI_REPLAY",
+                 CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT,
+                 context_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_ALPN", CONTEXT_CONFIG_ALPN_BIT, context_cfg_flag);
 
-    CHECK_SSL_END( 4 );
-    session_len = ( (uint32_t) ssl[0] << 24 ) |
-                  ( (uint32_t) ssl[1] << 16 ) |
-                  ( (uint32_t) ssl[2] <<  8 ) |
-                  ( (uint32_t) ssl[3] );
+    CHECK_SSL_END(4);
+    session_len = ((uint32_t) ssl[0] << 24) |
+                  ((uint32_t) ssl[1] << 16) |
+                  ((uint32_t) ssl[2] <<  8) |
+                  ((uint32_t) ssl[3]);
     ssl += 4;
-    printf_dbg( "Session length %u\n", session_len );
+    printf_dbg("Session length %u\n", session_len);
 
-    CHECK_SSL_END( session_len );
-    print_deserialized_ssl_session( ssl, session_len, session_cfg_flag );
+    CHECK_SSL_END(session_len);
+    print_deserialized_ssl_session(ssl, session_len, session_cfg_flag);
     ssl += session_len;
 
-    printf( "\nRandom bytes:\n\t");
+    printf("\nRandom bytes:\n\t");
 
-    CHECK_SSL_END( TRANSFORM_RANDBYTE_LEN );
-    print_hex( ssl, TRANSFORM_RANDBYTE_LEN, 22, "\t" );
+    CHECK_SSL_END(TRANSFORM_RANDBYTE_LEN);
+    print_hex(ssl, TRANSFORM_RANDBYTE_LEN, 22, "\t");
     ssl += TRANSFORM_RANDBYTE_LEN;
 
-    printf( "\nContext others:\n" );
+    printf("\nContext others:\n");
 
-    if( CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT & context_cfg_flag )
-    {
+    if (CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT & context_cfg_flag) {
         uint8_t cid_len;
 
-        CHECK_SSL_END( 1 );
+        CHECK_SSL_END(1);
         cid_len = *ssl++;
-        printf_dbg( "In CID length %u\n", (uint32_t) cid_len );
+        printf_dbg("In CID length %u\n", (uint32_t) cid_len);
 
-        printf( "\tin CID                             : " );
-        if( cid_len > 0 )
-        {
-            CHECK_SSL_END( cid_len );
-            print_hex( ssl, cid_len, 20, "\t" );
+        printf("\tin CID                             : ");
+        if (cid_len > 0) {
+            CHECK_SSL_END(cid_len);
+            print_hex(ssl, cid_len, 20, "\t");
             ssl += cid_len;
-        }
-        else
-        {
-            printf( "none\n" );
+        } else {
+            printf("none\n");
         }
 
-        CHECK_SSL_END( 1 );
+        CHECK_SSL_END(1);
         cid_len = *ssl++;
-        printf_dbg( "Out CID length %u\n", (uint32_t) cid_len );
+        printf_dbg("Out CID length %u\n", (uint32_t) cid_len);
 
-        printf( "\tout CID                            : " );
-        if( cid_len > 0 )
-        {
-            CHECK_SSL_END( cid_len );
-            print_hex( ssl, cid_len, 20, "\t" );
+        printf("\tout CID                            : ");
+        if (cid_len > 0) {
+            CHECK_SSL_END(cid_len);
+            print_hex(ssl, cid_len, 20, "\t");
             ssl += cid_len;
-        }
-        else
-        {
-            printf( "none\n" );
+        } else {
+            printf("none\n");
         }
     }
 
-    if( CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT & context_cfg_flag )
-    {
+    if (CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT & context_cfg_flag) {
         uint32_t badmac_seen;
 
-        CHECK_SSL_END( 4 );
-        badmac_seen = ( (uint32_t) ssl[0] << 24 ) |
-                      ( (uint32_t) ssl[1] << 16 ) |
-                      ( (uint32_t) ssl[2] <<  8 ) |
-                      ( (uint32_t) ssl[3] );
+        CHECK_SSL_END(4);
+        badmac_seen = ((uint32_t) ssl[0] << 24) |
+                      ((uint32_t) ssl[1] << 16) |
+                      ((uint32_t) ssl[2] <<  8) |
+                      ((uint32_t) ssl[3]);
         ssl += 4;
-        printf( "\tbad MAC seen number                : %u\n", badmac_seen );
+        printf("\tbad MAC seen number                : %u\n", badmac_seen);
 
         /* value 'in_window_top' from mbedtls_ssl_context */
-        printf( "\tlast validated record sequence no. : " );
-        CHECK_SSL_END( 8 );
-        print_hex( ssl, 8, 20, "" );
+        printf("\tlast validated record sequence no. : ");
+        CHECK_SSL_END(8);
+        print_hex(ssl, 8, 20, "");
         ssl += 8;
 
         /* value 'in_window' from mbedtls_ssl_context */
-        printf( "\tbitmask for replay detection       : " );
-        CHECK_SSL_END( 8 );
-        print_hex( ssl, 8, 20, "" );
+        printf("\tbitmask for replay detection       : ");
+        CHECK_SSL_END(8);
+        print_hex(ssl, 8, 20, "");
         ssl += 8;
     }
 
-    if( conf_dtls_proto )
-    {
-        CHECK_SSL_END( 1 );
-        printf( "\tDTLS datagram packing              : %s\n",
-                get_enabled_str( ! ( *ssl++ ) ) );
+    if (conf_dtls_proto) {
+        CHECK_SSL_END(1);
+        printf("\tDTLS datagram packing              : %s\n",
+               get_enabled_str(!(*ssl++)));
     }
 
     /* value 'cur_out_ctr' from mbedtls_ssl_context */
-    printf( "\toutgoing record sequence no.       : ");
-    CHECK_SSL_END( 8 );
-    print_hex( ssl, 8, 20, "" );
+    printf("\toutgoing record sequence no.       : ");
+    CHECK_SSL_END(8);
+    print_hex(ssl, 8, 20, "");
     ssl += 8;
 
-    if( conf_dtls_proto )
-    {
+    if (conf_dtls_proto) {
         uint16_t mtu;
-        CHECK_SSL_END( 2 );
-        mtu = ( ssl[0] << 8 ) | ssl[1];
+        CHECK_SSL_END(2);
+        mtu = (ssl[0] << 8) | ssl[1];
         ssl += 2;
-        printf( "\tMTU                                : %u\n", mtu );
+        printf("\tMTU                                : %u\n", mtu);
     }
 
 
-    if( CONTEXT_CONFIG_ALPN_BIT & context_cfg_flag )
-    {
+    if (CONTEXT_CONFIG_ALPN_BIT & context_cfg_flag) {
         uint8_t alpn_len;
 
-        CHECK_SSL_END( 1 );
+        CHECK_SSL_END(1);
         alpn_len = *ssl++;
-        printf_dbg( "ALPN length %u\n", (uint32_t) alpn_len );
+        printf_dbg("ALPN length %u\n", (uint32_t) alpn_len);
 
-        printf( "\tALPN negotiation                   : " );
-        CHECK_SSL_END( alpn_len );
-        if( alpn_len > 0 )
-        {
-            if( strlen( (const char*) ssl ) == alpn_len )
-            {
-                printf( "%s\n", ssl );
-            }
-            else
-            {
-                printf( "\n" );
-                printf_err( "\tALPN negotiation is incorrect\n" );
+        printf("\tALPN negotiation                   : ");
+        CHECK_SSL_END(alpn_len);
+        if (alpn_len > 0) {
+            if (strlen((const char *) ssl) == alpn_len) {
+                printf("%s\n", ssl);
+            } else {
+                printf("\n");
+                printf_err("\tALPN negotiation is incorrect\n");
             }
             ssl += alpn_len;
-        }
-        else
-        {
-            printf( "not selected\n" );
+        } else {
+            printf("not selected\n");
         }
     }
 
-    if( 0 != ( end - ssl ) )
-    {
-        printf_err( "%i bytes left to analyze from context\n", (int32_t)( end - ssl ) );
+    if (0 != (end - ssl)) {
+        printf_err("%i bytes left to analyze from context\n", (int32_t) (end - ssl));
     }
-    printf( "\n" );
+    printf("\n");
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     enum { SSL_INIT_LEN = 4096 };
 
@@ -1037,39 +933,33 @@
     size_t ssl_max_len = SSL_INIT_LEN;
     size_t ssl_len = 0;
 
-     /* The 'b64_file' is opened when parsing arguments to check that the
-      * file name is correct */
-    parse_arguments( argc, argv );
+    /* The 'b64_file' is opened when parsing arguments to check that the
+     * file name is correct */
+    parse_arguments(argc, argv);
 
-    if( NULL != b64_file )
-    {
-        b64_buf = malloc( SSL_INIT_LEN );
-        ssl_buf = malloc( SSL_INIT_LEN );
+    if (NULL != b64_file) {
+        b64_buf = malloc(SSL_INIT_LEN);
+        ssl_buf = malloc(SSL_INIT_LEN);
 
-        if( NULL == b64_buf || NULL == ssl_buf )
-        {
-            printf_err( alloc_err );
-            fclose( b64_file );
+        if (NULL == b64_buf || NULL == ssl_buf) {
+            printf_err(alloc_err);
+            fclose(b64_file);
             b64_file = NULL;
         }
     }
 
-    while( NULL != b64_file )
-    {
-        size_t b64_len = read_next_b64_code( &b64_buf, &b64_max_len );
-        if( b64_len > 0)
-        {
+    while (NULL != b64_file) {
+        size_t b64_len = read_next_b64_code(&b64_buf, &b64_max_len);
+        if (b64_len > 0) {
             int ret;
             size_t ssl_required_len = b64_len * 3 / 4 + 1;
 
             /* Allocate more memory if necessary. */
-            if( ssl_required_len > ssl_max_len )
-            {
-                void *ptr = realloc( ssl_buf, ssl_required_len );
-                if( NULL == ptr )
-                {
-                    printf_err( alloc_err );
-                    fclose( b64_file );
+            if (ssl_required_len > ssl_max_len) {
+                void *ptr = realloc(ssl_buf, ssl_required_len);
+                if (NULL == ptr) {
+                    printf_err(alloc_err);
+                    fclose(b64_file);
                     b64_file = NULL;
                     break;
                 }
@@ -1077,45 +967,38 @@
                 ssl_max_len = ssl_required_len;
             }
 
-            printf( "\nDeserializing number %u:\n",  ++b64_counter );
+            printf("\nDeserializing number %u:\n",  ++b64_counter);
 
-            printf( "\nBase64 code:\n" );
-            print_b64( b64_buf, b64_len );
+            printf("\nBase64 code:\n");
+            print_b64(b64_buf, b64_len);
 
-            ret = mbedtls_base64_decode( ssl_buf, ssl_max_len, &ssl_len, b64_buf, b64_len );
-            if( ret != 0)
-            {
-                mbedtls_strerror( ret, (char*) b64_buf, b64_max_len );
-                printf_err( "base64 code cannot be decoded - %s\n", b64_buf );
+            ret = mbedtls_base64_decode(ssl_buf, ssl_max_len, &ssl_len, b64_buf, b64_len);
+            if (ret != 0) {
+                mbedtls_strerror(ret, (char *) b64_buf, b64_max_len);
+                printf_err("base64 code cannot be decoded - %s\n", b64_buf);
                 continue;
             }
 
-            if( debug )
-            {
-                printf( "\nDecoded data in hex:\n\t");
-                print_hex( ssl_buf, ssl_len, 25, "\t" );
+            if (debug) {
+                printf("\nDecoded data in hex:\n\t");
+                print_hex(ssl_buf, ssl_len, 25, "\t");
             }
 
-            print_deserialized_ssl_context( ssl_buf, ssl_len );
+            print_deserialized_ssl_context(ssl_buf, ssl_len);
 
-        }
-        else
-        {
-            fclose( b64_file );
+        } else {
+            fclose(b64_file);
             b64_file = NULL;
         }
     }
 
-    free( b64_buf );
-    free( ssl_buf );
+    free(b64_buf);
+    free(ssl_buf);
 
-    if( b64_counter > 0 )
-    {
-        printf_dbg( "Finished. Found %u base64 codes\n", b64_counter );
-    }
-    else
-    {
-        printf( "Finished. No valid base64 code found\n" );
+    if (b64_counter > 0) {
+        printf_dbg("Finished. Found %u base64 codes\n", b64_counter);
+    } else {
+        printf("Finished. No valid base64 code found\n");
     }
 
     return 0;
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 49de984..7ee880d 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -27,24 +27,24 @@
     !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_TIMING_C) || !defined(MBEDTLS_FS_IO) ||              \
     !defined(MBEDTLS_PEM_PARSE_C)
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     ((void) argc);
     ((void) argv);
 
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
-           "MBEDTLS_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+                   "MBEDTLS_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #elif defined(_WIN32)
-int main( void )
+int main(void)
 {
     mbedtls_printf("_WIN32 defined. This application requires fork() and signals "
-           "to work correctly.\n");
-    mbedtls_exit( 0 );
+                   "to work correctly.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -71,17 +71,17 @@
 #define DEBUG_LEVEL 0
 
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_debug(void *ctx, int level,
+                     const char *file, int line,
+                     const char *str)
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *) ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret = 1, len, cnt = 0, pid;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -96,127 +96,118 @@
     mbedtls_x509_crt srvcert;
     mbedtls_pk_context pkey;
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_pk_init( &pkey );
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_pk_init(&pkey);
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    signal( SIGCHLD, SIG_IGN );
+    signal(SIGCHLD, SIG_IGN);
 
     /*
      * 0. Initial seeding of the RNG
      */
-    mbedtls_printf( "\n  . Initial seeding of the random generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Initial seeding of the random generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_ctr_drbg_seed returned %d\n\n", ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed!  mbedtls_ctr_drbg_seed returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1. Load the certificates and private RSA key
      */
-    mbedtls_printf( "  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed!  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed!  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                          mbedtls_test_srv_key_len, NULL, 0,
-                          mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_pk_parse_key returned %d\n\n", ret );
+    ret =  mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key,
+                                mbedtls_test_srv_key_len, NULL, 0,
+                                mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed!  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1b. Prepare SSL configuration
      */
-    mbedtls_printf( "  . Configuring SSL..." );
-    fflush( stdout );
+    mbedtls_printf("  . Configuring SSL...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed!  mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.next, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        mbedtls_printf(" failed!  mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on https://localhost:4433/ ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on https://localhost:4433/ ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed!  mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-    while( 1 )
-    {
+    while (1) {
         /*
          * 3. Wait until a client connects
          */
-        mbedtls_net_init( &client_fd );
-        mbedtls_ssl_init( &ssl );
+        mbedtls_net_init(&client_fd);
+        mbedtls_ssl_init(&ssl);
 
-        mbedtls_printf( "  . Waiting for a remote connection ...\n" );
-        fflush( stdout );
+        mbedtls_printf("  . Waiting for a remote connection ...\n");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                        NULL, 0, NULL ) ) != 0 )
-        {
-            mbedtls_printf( " failed!  mbedtls_net_accept returned %d\n\n", ret );
+        if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                      NULL, 0, NULL)) != 0) {
+            mbedtls_printf(" failed!  mbedtls_net_accept returned %d\n\n", ret);
             goto exit;
         }
 
@@ -224,113 +215,104 @@
          * 3.5. Forking server thread
          */
 
-        mbedtls_printf( "  . Forking to handle connection ..." );
-        fflush( stdout );
+        mbedtls_printf("  . Forking to handle connection ...");
+        fflush(stdout);
 
         pid = fork();
 
-        if( pid < 0 )
-        {
-            mbedtls_printf(" failed!  fork returned %d\n\n", pid );
+        if (pid < 0) {
+            mbedtls_printf(" failed!  fork returned %d\n\n", pid);
             goto exit;
         }
 
-        if( pid != 0 )
-        {
-            mbedtls_printf( " ok\n" );
-            mbedtls_net_close( &client_fd );
+        if (pid != 0) {
+            mbedtls_printf(" ok\n");
+            mbedtls_net_close(&client_fd);
 
-            if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
-                                         (const unsigned char *) "parent",
-                                         6 ) ) != 0 )
-            {
-                mbedtls_printf( " failed!  mbedtls_ctr_drbg_reseed returned %d\n\n", ret );
+            if ((ret = mbedtls_ctr_drbg_reseed(&ctr_drbg,
+                                               (const unsigned char *) "parent",
+                                               6)) != 0) {
+                mbedtls_printf(" failed!  mbedtls_ctr_drbg_reseed returned %d\n\n", ret);
                 goto exit;
             }
 
             continue;
         }
 
-        mbedtls_net_close( &listen_fd );
+        mbedtls_net_close(&listen_fd);
 
         pid = getpid();
 
         /*
          * 4. Setup stuff
          */
-        mbedtls_printf( "pid %d: Setting up the SSL data.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Setting up the SSL data.\n", pid);
+        fflush(stdout);
 
-        if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
-                                     (const unsigned char *) "child",
-                                     5 ) ) != 0 )
-        {
+        if ((ret = mbedtls_ctr_drbg_reseed(&ctr_drbg,
+                                           (const unsigned char *) "child",
+                                           5)) != 0) {
             mbedtls_printf(
-                    "pid %d: SSL setup failed!  mbedtls_ctr_drbg_reseed returned %d\n\n",
-                    pid, ret );
+                "pid %d: SSL setup failed!  mbedtls_ctr_drbg_reseed returned %d\n\n",
+                pid, ret);
             goto exit;
         }
 
-        if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-        {
+        if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
             mbedtls_printf(
-                    "pid %d: SSL setup failed!  mbedtls_ssl_setup returned %d\n\n",
-                    pid, ret );
+                "pid %d: SSL setup failed!  mbedtls_ssl_setup returned %d\n\n",
+                pid, ret);
             goto exit;
         }
 
-        mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+        mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
 
-        mbedtls_printf( "pid %d: SSL setup ok\n", pid );
+        mbedtls_printf("pid %d: SSL setup ok\n", pid);
 
         /*
          * 5. Handshake
          */
-        mbedtls_printf( "pid %d: Performing the SSL/TLS handshake.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Performing the SSL/TLS handshake.\n", pid);
+        fflush(stdout);
 
-        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-            {
+        while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
                 mbedtls_printf(
-                        "pid %d: SSL handshake failed!  mbedtls_ssl_handshake returned %d\n\n",
-                        pid, ret );
+                    "pid %d: SSL handshake failed!  mbedtls_ssl_handshake returned %d\n\n",
+                    pid, ret);
                 goto exit;
             }
         }
 
-        mbedtls_printf( "pid %d: SSL handshake ok\n", pid );
+        mbedtls_printf("pid %d: SSL handshake ok\n", pid);
 
         /*
          * 6. Read the HTTP Request
          */
-        mbedtls_printf( "pid %d: Start reading from client.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Start reading from client.\n", pid);
+        fflush(stdout);
 
-        do
-        {
-            len = sizeof( buf ) - 1;
-            memset( buf, 0, sizeof( buf ) );
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+        do {
+            len = sizeof(buf) - 1;
+            memset(buf, 0, sizeof(buf));
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-            if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+            if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
                 continue;
+            }
 
-            if( ret <= 0 )
-            {
-                switch( ret )
-                {
+            if (ret <= 0) {
+                switch (ret) {
                     case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                        mbedtls_printf( "pid %d: connection was closed gracefully\n", pid );
+                        mbedtls_printf("pid %d: connection was closed gracefully\n", pid);
                         break;
 
                     case MBEDTLS_ERR_NET_CONN_RESET:
-                        mbedtls_printf( "pid %d: connection was reset by peer\n", pid );
+                        mbedtls_printf("pid %d: connection was reset by peer\n", pid);
                         break;
 
                     default:
-                        mbedtls_printf( "pid %d: mbedtls_ssl_read returned %d\n", pid, ret );
+                        mbedtls_printf("pid %d: mbedtls_ssl_read returned %d\n", pid, ret);
                         break;
                 }
 
@@ -338,65 +320,61 @@
             }
 
             len = ret;
-            mbedtls_printf( "pid %d: %d bytes read\n\n%s", pid, len, (char *) buf );
+            mbedtls_printf("pid %d: %d bytes read\n\n%s", pid, len, (char *) buf);
 
-            if( ret > 0 )
+            if (ret > 0) {
                 break;
-        }
-        while( 1 );
+            }
+        } while (1);
 
         /*
          * 7. Write the 200 Response
          */
-        mbedtls_printf( "pid %d: Start writing to client.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Start writing to client.\n", pid);
+        fflush(stdout);
 
-        len = sprintf( (char *) buf, HTTP_RESPONSE,
-                mbedtls_ssl_get_ciphersuite( &ssl ) );
+        len = sprintf((char *) buf, HTTP_RESPONSE,
+                      mbedtls_ssl_get_ciphersuite(&ssl));
 
-        while( cnt++ < 100 )
-        {
-            while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-            {
-                if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-                {
+        while (cnt++ < 100) {
+            while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+                if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
                     mbedtls_printf(
-                            "pid %d: Write failed!  peer closed the connection\n\n", pid );
+                        "pid %d: Write failed!  peer closed the connection\n\n", pid);
                     goto exit;
                 }
 
-                if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-                {
+                if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
                     mbedtls_printf(
-                            "pid %d: Write failed!  mbedtls_ssl_write returned %d\n\n",
-                            pid, ret );
+                        "pid %d: Write failed!  mbedtls_ssl_write returned %d\n\n",
+                        pid, ret);
                     goto exit;
                 }
             }
             len = ret;
-            mbedtls_printf( "pid %d: %d bytes written\n\n%s\n", pid, len, (char *) buf );
+            mbedtls_printf("pid %d: %d bytes written\n\n%s\n", pid, len, (char *) buf);
 
-            mbedtls_net_usleep( 1000000 );
+            mbedtls_net_usleep(1000000);
         }
 
-        mbedtls_ssl_close_notify( &ssl );
+        mbedtls_ssl_close_notify(&ssl);
         goto exit;
     }
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 9fb6507..4e54be8 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -33,14 +33,14 @@
     !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) ||         \
     !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
-           "not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -96,7 +96,8 @@
 #define USAGE_AUTH \
     "    authentication=%%d   default: 0 (disabled)\n"          \
     "    user_name=%%s        default: \"" DFL_USER_NAME "\"\n" \
-    "    user_pwd=%%s         default: \"" DFL_USER_PWD "\"\n"
+                                                         "    user_pwd=%%s         default: \"" \
+    DFL_USER_PWD "\"\n"
 #else
 #define USAGE_AUTH \
     "    authentication options disabled. (Require MBEDTLS_BASE64_C)\n"
@@ -116,9 +117,10 @@
     "\n usage: ssl_mail_client param=<>...\n"                 \
     "\n acceptable parameters:\n"                             \
     "    server_name=%%s      default: " DFL_SERVER_NAME "\n" \
-    "    server_port=%%d      default: " DFL_SERVER_PORT "\n" \
-    "    debug_level=%%d      default: 0 (disabled)\n"        \
-    "    mode=%%d             default: 0 (SSL/TLS) (1 for STARTTLS)\n"  \
+                                                         "    server_port=%%d      default: " \
+    DFL_SERVER_PORT "\n" \
+                    "    debug_level=%%d      default: 0 (disabled)\n"        \
+                    "    mode=%%d             default: 0 (SSL/TLS) (1 for STARTTLS)\n"  \
     USAGE_AUTH                                                \
     "    mail_from=%%s        default: \"\"\n"                \
     "    mail_to=%%s          default: \"\"\n"                \
@@ -130,8 +132,7 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char *server_name;    /* hostname of the server (client only)     */
     const char *server_port;    /* port on which the ssl service runs       */
     int debug_level;            /* level of debugging                       */
@@ -147,17 +148,17 @@
     int force_ciphersuite[2];   /* protocol/ciphersuite to use, or all      */
 } opt;
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_debug(void *ctx, int level,
+                     const char *file, int line,
+                     const char *str)
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *) ctx);
 }
 
-static int do_handshake( mbedtls_ssl_context *ssl )
+static int do_handshake(mbedtls_ssl_context *ssl)
 {
     int ret;
     uint32_t flags;
@@ -167,75 +168,70 @@
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
+    while ((ret = mbedtls_ssl_handshake(ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
 #if defined(MBEDTLS_ERROR_C)
-            mbedtls_strerror( ret, (char *) buf, 1024 );
+            mbedtls_strerror(ret, (char *) buf, 1024);
 #endif
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned %d: %s\n\n", ret, buf );
-            return( -1 );
-        }
-    }
-
-    mbedtls_printf( " ok\n    [ Ciphersuite is %s ]\n",
-            mbedtls_ssl_get_ciphersuite( ssl ) );
-
-    /*
-     * 5. Verify the server certificate
-     */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
-
-    /* In real life, we probably want to bail out when ret != 0 */
-    if( ( flags = mbedtls_ssl_get_verify_result( ssl ) ) != 0 )
-    {
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-        char vrfy_buf[512];
-#endif
-
-        mbedtls_printf( " failed\n" );
-
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-        mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
-
-        mbedtls_printf( "%s\n", vrfy_buf );
-#endif
-    }
-    else
-        mbedtls_printf( " ok\n" );
-
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-    mbedtls_printf( "  . Peer certificate information    ...\n" );
-    mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, "      ",
-                   mbedtls_ssl_get_peer_cert( ssl ) );
-    mbedtls_printf( "%s\n", buf );
-#endif
-
-    return( 0 );
-}
-
-static int write_ssl_data( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len )
-{
-    int ret;
-
-    mbedtls_printf("\n%s", buf);
-    while( len && ( ret = mbedtls_ssl_write( ssl, buf, len ) ) <= 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned %d: %s\n\n", ret, buf);
             return -1;
         }
     }
 
-    return( 0 );
+    mbedtls_printf(" ok\n    [ Ciphersuite is %s ]\n",
+                   mbedtls_ssl_get_ciphersuite(ssl));
+
+    /*
+     * 5. Verify the server certificate
+     */
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
+
+    /* In real life, we probably want to bail out when ret != 0 */
+    if ((flags = mbedtls_ssl_get_verify_result(ssl)) != 0) {
+#if !defined(MBEDTLS_X509_REMOVE_INFO)
+        char vrfy_buf[512];
+#endif
+
+        mbedtls_printf(" failed\n");
+
+#if !defined(MBEDTLS_X509_REMOVE_INFO)
+        mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
+
+        mbedtls_printf("%s\n", vrfy_buf);
+#endif
+    } else {
+        mbedtls_printf(" ok\n");
+    }
+
+#if !defined(MBEDTLS_X509_REMOVE_INFO)
+    mbedtls_printf("  . Peer certificate information    ...\n");
+    mbedtls_x509_crt_info((char *) buf, sizeof(buf) - 1, "      ",
+                          mbedtls_ssl_get_peer_cert(ssl));
+    mbedtls_printf("%s\n", buf);
+#endif
+
+    return 0;
 }
 
-static int write_ssl_and_get_response( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len )
+static int write_ssl_data(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
+{
+    int ret;
+
+    mbedtls_printf("\n%s", buf);
+    while (len && (ret = mbedtls_ssl_write(ssl, buf, len)) <= 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
+            return -1;
+        }
+    }
+
+    return 0;
+}
+
+static int write_ssl_and_get_response(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
 {
     int ret;
     unsigned char data[128];
@@ -243,57 +239,52 @@
     size_t i, idx = 0;
 
     mbedtls_printf("\n%s", buf);
-    while( len && ( ret = mbedtls_ssl_write( ssl, buf, len ) ) <= 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    while (len && (ret = mbedtls_ssl_write(ssl, buf, len)) <= 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
             return -1;
         }
     }
 
-    do
-    {
-        len = sizeof( data ) - 1;
-        memset( data, 0, sizeof( data ) );
-        ret = mbedtls_ssl_read( ssl, data, len );
+    do {
+        len = sizeof(data) - 1;
+        memset(data, 0, sizeof(data));
+        ret = mbedtls_ssl_read(ssl, data, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
             continue;
+        }
 
-        if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )
+        if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) {
             return -1;
+        }
 
-        if( ret <= 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_read returned %d\n\n", ret );
+        if (ret <= 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_read returned %d\n\n", ret);
             return -1;
         }
 
         mbedtls_printf("\n%s", data);
         len = ret;
-        for( i = 0; i < len; i++ )
-        {
-            if( data[i] != '\n' )
-            {
-                if( idx < 4 )
-                    code[ idx++ ] = data[i];
+        for (i = 0; i < len; i++) {
+            if (data[i] != '\n') {
+                if (idx < 4) {
+                    code[idx++] = data[i];
+                }
                 continue;
             }
 
-            if( idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ' )
-            {
+            if (idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ') {
                 code[3] = '\0';
-                return atoi( code );
+                return atoi(code);
             }
 
             idx = 0;
         }
-    }
-    while( 1 );
+    } while (1);
 }
 
-static int write_and_get_response( mbedtls_net_context *sock_fd, unsigned char *buf, size_t len )
+static int write_and_get_response(mbedtls_net_context *sock_fd, unsigned char *buf, size_t len)
 {
     int ret;
     unsigned char data[128];
@@ -301,49 +292,43 @@
     size_t i, idx = 0;
 
     mbedtls_printf("\n%s", buf);
-    if( len && ( ret = mbedtls_net_send( sock_fd, buf, len ) ) <= 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_send returned %d\n\n", ret );
-            return -1;
+    if (len && (ret = mbedtls_net_send(sock_fd, buf, len)) <= 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_send returned %d\n\n", ret);
+        return -1;
     }
 
-    do
-    {
-        len = sizeof( data ) - 1;
-        memset( data, 0, sizeof( data ) );
-        ret = mbedtls_net_recv( sock_fd, data, len );
+    do {
+        len = sizeof(data) - 1;
+        memset(data, 0, sizeof(data));
+        ret = mbedtls_net_recv(sock_fd, data, len);
 
-        if( ret <= 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_net_recv returned %d\n\n", ret );
+        if (ret <= 0) {
+            mbedtls_printf("failed\n  ! mbedtls_net_recv returned %d\n\n", ret);
             return -1;
         }
 
         data[len] = '\0';
         mbedtls_printf("\n%s", data);
         len = ret;
-        for( i = 0; i < len; i++ )
-        {
-            if( data[i] != '\n' )
-            {
-                if( idx < 4 )
-                    code[ idx++ ] = data[i];
+        for (i = 0; i < len; i++) {
+            if (data[i] != '\n') {
+                if (idx < 4) {
+                    code[idx++] = data[i];
+                }
                 continue;
             }
 
-            if( idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ' )
-            {
+            if (idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ') {
                 code[3] = '\0';
-                return atoi( code );
+                return atoi(code);
             }
 
             idx = 0;
         }
-    }
-    while( 1 );
+    } while (1);
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1, len;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -354,7 +339,7 @@
      * "%s\r\n". Hence, the size of buf should be at least the size of base
      * plus 2 bytes for the \r and \n characters.
      */
-    unsigned char buf[sizeof( base ) + 2];
+    unsigned char buf[sizeof(base) + 2];
 #else
     unsigned char buf[1024];
 #endif
@@ -376,24 +361,22 @@
     /*
      * Make sure memory references are valid in case we exit early.
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    memset( &buf, 0, sizeof( buf ) );
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_x509_crt_init( &clicert );
-    mbedtls_pk_init( &pkey );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    memset(&buf, 0, sizeof(buf));
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_x509_crt_init(&clicert);
+    mbedtls_pk_init(&pkey);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
 
         list = mbedtls_ssl_list_ciphersuites();
-        while( *list )
-        {
-            mbedtls_printf("    %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+        while (*list) {
+            mbedtls_printf("    %s\n", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
         }
         mbedtls_printf("\n");
@@ -412,144 +395,141 @@
     opt.ca_file             = DFL_CA_FILE;
     opt.crt_file            = DFL_CRT_FILE;
     opt.key_file            = DFL_KEY_FILE;
-    opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
+    opt.force_ciphersuite[0] = DFL_FORCE_CIPHER;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "server_name" ) == 0 )
+        if (strcmp(p, "server_name") == 0) {
             opt.server_name = q;
-        else if( strcmp( p, "server_port" ) == 0 )
+        } else if (strcmp(p, "server_port") == 0) {
             opt.server_port = q;
-        else if( strcmp( p, "debug_level" ) == 0 )
-        {
-            opt.debug_level = atoi( q );
-            if( opt.debug_level < 0 || opt.debug_level > 65535 )
+        } else if (strcmp(p, "debug_level") == 0) {
+            opt.debug_level = atoi(q);
+            if (opt.debug_level < 0 || opt.debug_level > 65535) {
                 goto usage;
-        }
-        else if( strcmp( p, "authentication" ) == 0 )
-        {
-            opt.authentication = atoi( q );
-            if( opt.authentication < 0 || opt.authentication > 1 )
+            }
+        } else if (strcmp(p, "authentication") == 0) {
+            opt.authentication = atoi(q);
+            if (opt.authentication < 0 || opt.authentication > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "mode" ) == 0 )
-        {
-            opt.mode = atoi( q );
-            if( opt.mode < 0 || opt.mode > 1 )
+            }
+        } else if (strcmp(p, "mode") == 0) {
+            opt.mode = atoi(q);
+            if (opt.mode < 0 || opt.mode > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "user_name" ) == 0 )
+            }
+        } else if (strcmp(p, "user_name") == 0) {
             opt.user_name = q;
-        else if( strcmp( p, "user_pwd" ) == 0 )
+        } else if (strcmp(p, "user_pwd") == 0) {
             opt.user_pwd = q;
-        else if( strcmp( p, "mail_from" ) == 0 )
+        } else if (strcmp(p, "mail_from") == 0) {
             opt.mail_from = q;
-        else if( strcmp( p, "mail_to" ) == 0 )
+        } else if (strcmp(p, "mail_to") == 0) {
             opt.mail_to = q;
-        else if( strcmp( p, "ca_file" ) == 0 )
+        } else if (strcmp(p, "ca_file") == 0) {
             opt.ca_file = q;
-        else if( strcmp( p, "crt_file" ) == 0 )
+        } else if (strcmp(p, "crt_file") == 0) {
             opt.crt_file = q;
-        else if( strcmp( p, "key_file" ) == 0 )
+        } else if (strcmp(p, "key_file") == 0) {
             opt.key_file = q;
-        else if( strcmp( p, "force_ciphersuite" ) == 0 )
-        {
+        } else if (strcmp(p, "force_ciphersuite") == 0) {
             opt.force_ciphersuite[0] = -1;
 
-            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q);
 
-            if( opt.force_ciphersuite[0] <= 0 )
+            if (opt.force_ciphersuite[0] <= 0) {
                 goto usage;
+            }
 
             opt.force_ciphersuite[1] = 0;
-        }
-        else
+        } else {
             goto usage;
+        }
     }
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.1. Load the trusted CA
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
 #if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.ca_file ) )
-        ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
-    else
+    if (strlen(opt.ca_file)) {
+        ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file);
+    } else
 #endif
 #if defined(MBEDTLS_PEM_PARSE_C)
-        ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                              mbedtls_test_cas_pem_len );
+    ret = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
 #else
     {
         mbedtls_printf("MBEDTLS_PEM_PARSE_C not defined.");
         goto exit;
     }
 #endif
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    if (ret < 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1.2. Load own certificate and private key
      *
      * (can be skipped if client authentication is not required)
      */
-    mbedtls_printf( "  . Loading the client cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the client cert. and key...");
+    fflush(stdout);
 
 #if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.crt_file ) )
-        ret = mbedtls_x509_crt_parse_file( &clicert, opt.crt_file );
-    else
+    if (strlen(opt.crt_file)) {
+        ret = mbedtls_x509_crt_parse_file(&clicert, opt.crt_file);
+    } else
 #endif
-        ret = mbedtls_x509_crt_parse( &clicert, (const unsigned char *) mbedtls_test_cli_crt,
-                              mbedtls_test_cli_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&clicert, (const unsigned char *) mbedtls_test_cli_crt,
+                                 mbedtls_test_cli_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
 #if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.key_file ) )
-    {
-        ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, "",
-                mbedtls_ctr_drbg_random, &ctr_drbg );
-    }
-    else
+    if (strlen(opt.key_file)) {
+        ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, "",
+                                       mbedtls_ctr_drbg_random, &ctr_drbg);
+    } else
 #endif
 #if defined(MBEDTLS_PEM_PARSE_C)
     {
-        ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_cli_key,
-                mbedtls_test_cli_key_len, NULL, 0, mbedtls_ctr_drbg_random, &ctr_drbg );
+        ret = mbedtls_pk_parse_key(&pkey,
+                                   (const unsigned char *) mbedtls_test_cli_key,
+                                   mbedtls_test_cli_key_len,
+                                   NULL,
+                                   0,
+                                   mbedtls_ctr_drbg_random,
+                                   &ctr_drbg);
     }
 #else
     {
@@ -557,286 +537,267 @@
         goto exit;
     }
 #endif
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Start the connection
      */
-    mbedtls_printf( "  . Connecting to tcp/%s/%s...", opt.server_name,
-                                                opt.server_port );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to tcp/%s/%s...", opt.server_name,
+                   opt.server_port);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, opt.server_name,
-                             opt.server_port, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, opt.server_name,
+                                   opt.server_port, MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_CLIENT,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_CLIENT,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
     /* OPTIONAL is not optimal for security,
      * but makes interop easier in this simplified example */
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
-        mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+    if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER) {
+        mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite);
+    }
 
-    mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &clicert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &clicert, &pkey)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-    if( opt.mode == MODE_SSL_TLS )
-    {
-        if( do_handshake( &ssl ) != 0 )
-            goto exit;
-
-        mbedtls_printf( "  > Get header from server:" );
-        fflush( stdout );
-
-        ret = write_ssl_and_get_response( &ssl, buf, 0 );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    if (opt.mode == MODE_SSL_TLS) {
+        if (do_handshake(&ssl) != 0) {
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf("  > Get header from server:");
+        fflush(stdout);
 
-        mbedtls_printf( "  > Write EHLO to server:" );
-        fflush( stdout );
-
-        gethostname( hostname, 32 );
-        len = sprintf( (char *) buf, "EHLO %s\r\n", hostname );
-        ret = write_ssl_and_get_response( &ssl, buf, len );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
-            goto exit;
-        }
-    }
-    else
-    {
-        mbedtls_printf( "  > Get header from server:" );
-        fflush( stdout );
-
-        ret = write_and_get_response( &server_fd, buf, 0 );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        ret = write_ssl_and_get_response(&ssl, buf, 0);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write EHLO to server:" );
-        fflush( stdout );
+        mbedtls_printf("  > Write EHLO to server:");
+        fflush(stdout);
 
-        gethostname( hostname, 32 );
-        len = sprintf( (char *) buf, "EHLO %s\r\n", hostname );
-        ret = write_and_get_response( &server_fd, buf, len );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        gethostname(hostname, 32);
+        len = sprintf((char *) buf, "EHLO %s\r\n", hostname);
+        ret = write_ssl_and_get_response(&ssl, buf, len);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
+            goto exit;
+        }
+    } else {
+        mbedtls_printf("  > Get header from server:");
+        fflush(stdout);
+
+        ret = write_and_get_response(&server_fd, buf, 0);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write STARTTLS to server:" );
-        fflush( stdout );
+        mbedtls_printf("  > Write EHLO to server:");
+        fflush(stdout);
 
-        gethostname( hostname, 32 );
-        len = sprintf( (char *) buf, "STARTTLS\r\n" );
-        ret = write_and_get_response( &server_fd, buf, len );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        gethostname(hostname, 32);
+        len = sprintf((char *) buf, "EHLO %s\r\n", hostname);
+        ret = write_and_get_response(&server_fd, buf, len);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        if( do_handshake( &ssl ) != 0 )
+        mbedtls_printf("  > Write STARTTLS to server:");
+        fflush(stdout);
+
+        gethostname(hostname, 32);
+        len = sprintf((char *) buf, "STARTTLS\r\n");
+        ret = write_and_get_response(&server_fd, buf, len);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
+        }
+
+        mbedtls_printf(" ok\n");
+
+        if (do_handshake(&ssl) != 0) {
+            goto exit;
+        }
     }
 
 #if defined(MBEDTLS_BASE64_C)
-    if( opt.authentication )
-    {
-        mbedtls_printf( "  > Write AUTH LOGIN to server:" );
-        fflush( stdout );
+    if (opt.authentication) {
+        mbedtls_printf("  > Write AUTH LOGIN to server:");
+        fflush(stdout);
 
-        len = sprintf( (char *) buf, "AUTH LOGIN\r\n" );
-        ret = write_ssl_and_get_response( &ssl, buf, len );
-        if( ret < 200 || ret > 399 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        len = sprintf((char *) buf, "AUTH LOGIN\r\n");
+        ret = write_ssl_and_get_response(&ssl, buf, len);
+        if (ret < 200 || ret > 399) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write username to server: %s", opt.user_name );
-        fflush( stdout );
+        mbedtls_printf("  > Write username to server: %s", opt.user_name);
+        fflush(stdout);
 
-        ret = mbedtls_base64_encode( base, sizeof( base ), &n, (const unsigned char *) opt.user_name,
-                             strlen( opt.user_name ) );
+        ret = mbedtls_base64_encode(base, sizeof(base), &n, (const unsigned char *) opt.user_name,
+                                    strlen(opt.user_name));
 
-        if( ret != 0 ) {
-            mbedtls_printf( " failed\n  ! mbedtls_base64_encode returned %d\n\n", ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_base64_encode returned %d\n\n", ret);
             goto exit;
         }
-        len = sprintf( (char *) buf, "%s\r\n", base );
-        ret = write_ssl_and_get_response( &ssl, buf, len );
-        if( ret < 300 || ret > 399 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        len = sprintf((char *) buf, "%s\r\n", base);
+        ret = write_ssl_and_get_response(&ssl, buf, len);
+        if (ret < 300 || ret > 399) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write password to server: %s", opt.user_pwd );
-        fflush( stdout );
+        mbedtls_printf("  > Write password to server: %s", opt.user_pwd);
+        fflush(stdout);
 
-        ret = mbedtls_base64_encode( base, sizeof( base ), &n, (const unsigned char *) opt.user_pwd,
-                             strlen( opt.user_pwd ) );
+        ret = mbedtls_base64_encode(base, sizeof(base), &n, (const unsigned char *) opt.user_pwd,
+                                    strlen(opt.user_pwd));
 
-        if( ret != 0 ) {
-            mbedtls_printf( " failed\n  ! mbedtls_base64_encode returned %d\n\n", ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_base64_encode returned %d\n\n", ret);
             goto exit;
         }
-        len = sprintf( (char *) buf, "%s\r\n", base );
-        ret = write_ssl_and_get_response( &ssl, buf, len );
-        if( ret < 200 || ret > 399 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        len = sprintf((char *) buf, "%s\r\n", base);
+        ret = write_ssl_and_get_response(&ssl, buf, len);
+        if (ret < 200 || ret > 399) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif
 
-    mbedtls_printf( "  > Write MAIL FROM to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write MAIL FROM to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, "MAIL FROM:<%s>\r\n", opt.mail_from );
-    ret = write_ssl_and_get_response( &ssl, buf, len );
-    if( ret < 200 || ret > 299 )
-    {
-        mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    len = sprintf((char *) buf, "MAIL FROM:<%s>\r\n", opt.mail_from);
+    ret = write_ssl_and_get_response(&ssl, buf, len);
+    if (ret < 200 || ret > 299) {
+        mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf(" ok\n" );
+    mbedtls_printf(" ok\n");
 
-    mbedtls_printf( "  > Write RCPT TO to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write RCPT TO to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, "RCPT TO:<%s>\r\n", opt.mail_to );
-    ret = write_ssl_and_get_response( &ssl, buf, len );
-    if( ret < 200 || ret > 299 )
-    {
-        mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    len = sprintf((char *) buf, "RCPT TO:<%s>\r\n", opt.mail_to);
+    ret = write_ssl_and_get_response(&ssl, buf, len);
+    if (ret < 200 || ret > 299) {
+        mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf(" ok\n" );
+    mbedtls_printf(" ok\n");
 
-    mbedtls_printf( "  > Write DATA to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write DATA to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, "DATA\r\n" );
-    ret = write_ssl_and_get_response( &ssl, buf, len );
-    if( ret < 300 || ret > 399 )
-    {
-        mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    len = sprintf((char *) buf, "DATA\r\n");
+    ret = write_ssl_and_get_response(&ssl, buf, len);
+    if (ret < 300 || ret > 399) {
+        mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf(" ok\n" );
+    mbedtls_printf(" ok\n");
 
-    mbedtls_printf( "  > Write content to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write content to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, "From: %s\r\nSubject: mbed TLS Test mail\r\n\r\n"
-            "This is a simple test mail from the "
-            "mbed TLS mail client example.\r\n"
-            "\r\n"
-            "Enjoy!", opt.mail_from );
-    ret = write_ssl_data( &ssl, buf, len );
+    len = sprintf((char *) buf, "From: %s\r\nSubject: mbed TLS Test mail\r\n\r\n"
+                                "This is a simple test mail from the "
+                                "mbed TLS mail client example.\r\n"
+                                "\r\n"
+                                "Enjoy!", opt.mail_from);
+    ret = write_ssl_data(&ssl, buf, len);
 
-    len = sprintf( (char *) buf, "\r\n.\r\n");
-    ret = write_ssl_and_get_response( &ssl, buf, len );
-    if( ret < 200 || ret > 299 )
-    {
-        mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    len = sprintf((char *) buf, "\r\n.\r\n");
+    ret = write_ssl_and_get_response(&ssl, buf, len);
+    if (ret < 200 || ret > 299) {
+        mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf(" ok\n" );
+    mbedtls_printf(" ok\n");
 
-    mbedtls_ssl_close_notify( &ssl );
+    mbedtls_ssl_close_notify(&ssl);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_net_free( &server_fd );
-    mbedtls_x509_crt_free( &clicert );
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_net_free(&server_fd);
+    mbedtls_x509_crt_free(&clicert);
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
           MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C **
diff --git a/programs/ssl/ssl_pthread_server.c b/programs/ssl/ssl_pthread_server.c
index b3ec7d6..2b3baff 100644
--- a/programs/ssl/ssl_pthread_server.c
+++ b/programs/ssl/ssl_pthread_server.c
@@ -28,15 +28,15 @@
     !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_THREADING_C) ||           \
     !defined(MBEDTLS_THREADING_PTHREAD) || !defined(MBEDTLS_PEM_PARSE_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
-           "MBEDTLS_THREADING_C and/or MBEDTLS_THREADING_PTHREAD "
-           "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+                   "MBEDTLS_THREADING_C and/or MBEDTLS_THREADING_PTHREAD "
+                   "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -75,20 +75,20 @@
 
 mbedtls_threading_mutex_t debug_mutex;
 
-static void my_mutexed_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_mutexed_debug(void *ctx, int level,
+                             const char *file, int line,
+                             const char *str)
 {
     long int thread_id = (long int) pthread_self();
 
-    mbedtls_mutex_lock( &debug_mutex );
+    mbedtls_mutex_lock(&debug_mutex);
 
     ((void) level);
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: [ #%ld ] %s",
-                                    file, line, thread_id, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: [ #%ld ] %s",
+                    file, line, thread_id, str);
+    fflush((FILE *) ctx);
 
-    mbedtls_mutex_unlock( &debug_mutex );
+    mbedtls_mutex_unlock(&debug_mutex);
 }
 
 typedef struct {
@@ -106,7 +106,7 @@
 static thread_info_t    base_info;
 static pthread_info_t   threads[MAX_NUM_THREADS];
 
-static void *handle_ssl_connection( void *data )
+static void *handle_ssl_connection(void *data)
 {
     int ret, len;
     thread_info_t *thread_info = (thread_info_t *) data;
@@ -116,190 +116,178 @@
     mbedtls_ssl_context ssl;
 
     /* Make sure memory references are valid */
-    mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_init(&ssl);
 
-    mbedtls_printf( "  [ #%ld ]  Setting up SSL/TLS data\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  Setting up SSL/TLS data\n", thread_id);
 
     /*
      * 4. Get the SSL context ready
      */
-    if( ( ret = mbedtls_ssl_setup( &ssl, thread_info->config ) ) != 0 )
-    {
-        mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_setup returned -0x%04x\n",
-                thread_id, ( unsigned int ) -ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, thread_info->config)) != 0) {
+        mbedtls_printf("  [ #%ld ]  failed: mbedtls_ssl_setup returned -0x%04x\n",
+                       thread_id, (unsigned int) -ret);
         goto thread_exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, client_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
 
     /*
      * 5. Handshake
      */
-    mbedtls_printf( "  [ #%ld ]  Performing the SSL/TLS handshake\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  Performing the SSL/TLS handshake\n", thread_id);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_handshake returned -0x%04x\n",
-                    thread_id, ( unsigned int ) -ret );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf("  [ #%ld ]  failed: mbedtls_ssl_handshake returned -0x%04x\n",
+                           thread_id, (unsigned int) -ret);
             goto thread_exit;
         }
     }
 
-    mbedtls_printf( "  [ #%ld ]  ok\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  ok\n", thread_id);
 
     /*
      * 6. Read the HTTP Request
      */
-    mbedtls_printf( "  [ #%ld ]  < Read from client\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  < Read from client\n", thread_id);
 
-    do
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
-        ret = mbedtls_ssl_read( &ssl, buf, len );
+    do {
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
+        ret = mbedtls_ssl_read(&ssl, buf, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
             continue;
+        }
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( "  [ #%ld ]  connection was closed gracefully\n",
-                            thread_id );
+                    mbedtls_printf("  [ #%ld ]  connection was closed gracefully\n",
+                                   thread_id);
                     goto thread_exit;
 
                 case MBEDTLS_ERR_NET_CONN_RESET:
-                    mbedtls_printf( "  [ #%ld ]  connection was reset by peer\n",
-                            thread_id );
+                    mbedtls_printf("  [ #%ld ]  connection was reset by peer\n",
+                                   thread_id);
                     goto thread_exit;
 
                 default:
-                    mbedtls_printf( "  [ #%ld ]  mbedtls_ssl_read returned -0x%04x\n",
-                            thread_id, ( unsigned int ) -ret );
+                    mbedtls_printf("  [ #%ld ]  mbedtls_ssl_read returned -0x%04x\n",
+                                   thread_id, (unsigned int) -ret);
                     goto thread_exit;
             }
         }
 
         len = ret;
-        mbedtls_printf( "  [ #%ld ]  %d bytes read\n=====\n%s\n=====\n",
-                thread_id, len, (char *) buf );
+        mbedtls_printf("  [ #%ld ]  %d bytes read\n=====\n%s\n=====\n",
+                       thread_id, len, (char *) buf);
 
-        if( ret > 0 )
+        if (ret > 0) {
             break;
-    }
-    while( 1 );
+        }
+    } while (1);
 
     /*
      * 7. Write the 200 Response
      */
-    mbedtls_printf( "  [ #%ld ]  > Write to client:\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  > Write to client:\n", thread_id);
 
-    len = sprintf( (char *) buf, HTTP_RESPONSE,
-                   mbedtls_ssl_get_ciphersuite( &ssl ) );
+    len = sprintf((char *) buf, HTTP_RESPONSE,
+                  mbedtls_ssl_get_ciphersuite(&ssl));
 
-    while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-    {
-        if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: peer closed the connection\n",
-                    thread_id );
+    while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+        if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
+            mbedtls_printf("  [ #%ld ]  failed: peer closed the connection\n",
+                           thread_id);
             goto thread_exit;
         }
 
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_write returned -0x%04x\n",
-                    thread_id, ( unsigned int ) ret );
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf("  [ #%ld ]  failed: mbedtls_ssl_write returned -0x%04x\n",
+                           thread_id, (unsigned int) ret);
             goto thread_exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( "  [ #%ld ]  %d bytes written\n=====\n%s\n=====\n",
-            thread_id, len, (char *) buf );
+    mbedtls_printf("  [ #%ld ]  %d bytes written\n=====\n%s\n=====\n",
+                   thread_id, len, (char *) buf);
 
-    mbedtls_printf( "  [ #%ld ]  . Closing the connection...", thread_id );
+    mbedtls_printf("  [ #%ld ]  . Closing the connection...", thread_id);
 
-    while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-            ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_close_notify returned -0x%04x\n",
-                    thread_id, ( unsigned int ) ret );
+    while ((ret = mbedtls_ssl_close_notify(&ssl)) < 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf("  [ #%ld ]  failed: mbedtls_ssl_close_notify returned -0x%04x\n",
+                           thread_id, (unsigned int) ret);
             goto thread_exit;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     ret = 0;
 
 thread_exit:
 
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
+        mbedtls_strerror(ret, error_buf, 100);
         mbedtls_printf("  [ #%ld ]  Last error was: -0x%04x - %s\n\n",
-               thread_id, ( unsigned int ) -ret, error_buf );
+                       thread_id, (unsigned int) -ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( client_fd );
-    mbedtls_ssl_free( &ssl );
+    mbedtls_net_free(client_fd);
+    mbedtls_ssl_free(&ssl);
 
     thread_info->thread_complete = 1;
 
-    return( NULL );
+    return NULL;
 }
 
-static int thread_create( mbedtls_net_context *client_fd )
+static int thread_create(mbedtls_net_context *client_fd)
 {
     int ret, i;
 
     /*
      * Find in-active or finished thread slot
      */
-    for( i = 0; i < MAX_NUM_THREADS; i++ )
-    {
-        if( threads[i].active == 0 )
+    for (i = 0; i < MAX_NUM_THREADS; i++) {
+        if (threads[i].active == 0) {
             break;
+        }
 
-        if( threads[i].data.thread_complete == 1 )
-        {
-            mbedtls_printf( "  [ main ]  Cleaning up thread %d\n", i );
-            pthread_join(threads[i].thread, NULL );
-            memset( &threads[i], 0, sizeof(pthread_info_t) );
+        if (threads[i].data.thread_complete == 1) {
+            mbedtls_printf("  [ main ]  Cleaning up thread %d\n", i);
+            pthread_join(threads[i].thread, NULL);
+            memset(&threads[i], 0, sizeof(pthread_info_t));
             break;
         }
     }
 
-    if( i == MAX_NUM_THREADS )
-        return( -1 );
+    if (i == MAX_NUM_THREADS) {
+        return -1;
+    }
 
     /*
      * Fill thread-info for thread
      */
-    memcpy( &threads[i].data, &base_info, sizeof(base_info) );
+    memcpy(&threads[i].data, &base_info, sizeof(base_info));
     threads[i].active = 1;
-    memcpy( &threads[i].data.client_fd, client_fd, sizeof( mbedtls_net_context ) );
+    memcpy(&threads[i].data.client_fd, client_fd, sizeof(mbedtls_net_context));
 
-    if( ( ret = pthread_create( &threads[i].thread, NULL, handle_ssl_connection,
-                                &threads[i].data ) ) != 0 )
-    {
-        return( ret );
+    if ((ret = pthread_create(&threads[i].thread, NULL, handle_ssl_connection,
+                              &threads[i].data)) != 0) {
+        return ret;
     }
 
-    return( 0 );
+    return 0;
 }
 
-int main( void )
+int main(void)
 {
     int ret;
     mbedtls_net_context listen_fd, client_fd;
@@ -319,167 +307,157 @@
 #endif
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
+    mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
 #endif
 
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
+    mbedtls_ssl_cache_init(&cache);
 #endif
 
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_x509_crt_init( &cachain );
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_x509_crt_init(&cachain);
 
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    memset( threads, 0, sizeof(threads) );
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    memset(threads, 0, sizeof(threads));
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
 
-    mbedtls_mutex_init( &debug_mutex );
+    mbedtls_mutex_init(&debug_mutex);
 
     base_info.config = &conf;
 
     /*
      * We use only a single entropy source that is used in all the threads.
      */
-    mbedtls_entropy_init( &entropy );
+    mbedtls_entropy_init(&entropy);
 
     /*
      * 1a. Seed the random number generator
      */
-    mbedtls_printf( "  . Seeding the random number generator..." );
+    mbedtls_printf("  . Seeding the random number generator...");
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed: mbedtls_ctr_drbg_seed returned -0x%04x\n",
-                ( unsigned int ) -ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed: mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1b. Load the certificates and private RSA key
      */
-    mbedtls_printf( "\n  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &cachain, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&cachain, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_pk_init( &pkey );
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                         mbedtls_test_srv_key_len, NULL, 0,
-                         mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+    mbedtls_pk_init(&pkey);
+    ret =  mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key,
+                                mbedtls_test_srv_key_len, NULL, 0,
+                                mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1c. Prepare SSL configuration
      */
-    mbedtls_printf( "  . Setting up the SSL data...." );
+    mbedtls_printf("  . Setting up the SSL data....");
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed: mbedtls_ssl_config_defaults returned -0x%04x\n",
-                ( unsigned int ) -ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed: mbedtls_ssl_config_defaults returned -0x%04x\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_mutexed_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_mutexed_debug, stdout);
 
     /* mbedtls_ssl_cache_get() and mbedtls_ssl_cache_set() are thread-safe if
      * MBEDTLS_THREADING_C is set.
      */
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
+    mbedtls_ssl_conf_session_cache(&conf, &cache,
                                    mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
+                                   mbedtls_ssl_cache_set);
 #endif
 
-    mbedtls_ssl_conf_ca_chain( &conf, &cachain, NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, &cachain, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on https://localhost:4433/ ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on https://localhost:4433/ ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
 reset:
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf( "  [ main ]  Last error was: -0x%04x - %s\n", ( unsigned int ) -ret,
-                        error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("  [ main ]  Last error was: -0x%04x - %s\n", (unsigned int) -ret,
+                       error_buf);
     }
 #endif
 
     /*
      * 3. Wait until a client connects
      */
-    mbedtls_printf( "  [ main ]  Waiting for a remote connection\n" );
+    mbedtls_printf("  [ main ]  Waiting for a remote connection\n");
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                    NULL, 0, NULL ) ) != 0 )
-    {
-        mbedtls_printf( "  [ main ] failed: mbedtls_net_accept returned -0x%04x\n",
-                        ( unsigned int ) ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                  NULL, 0, NULL)) != 0) {
+        mbedtls_printf("  [ main ] failed: mbedtls_net_accept returned -0x%04x\n",
+                       (unsigned int) ret);
         goto exit;
     }
 
-    mbedtls_printf( "  [ main ]  ok\n" );
-    mbedtls_printf( "  [ main ]  Creating a new thread\n" );
+    mbedtls_printf("  [ main ]  ok\n");
+    mbedtls_printf("  [ main ]  Creating a new thread\n");
 
-    if( ( ret = thread_create( &client_fd ) ) != 0 )
-    {
-        mbedtls_printf( "  [ main ]  failed: thread_create returned %d\n", ret );
-        mbedtls_net_free( &client_fd );
+    if ((ret = thread_create(&client_fd)) != 0) {
+        mbedtls_printf("  [ main ]  failed: thread_create returned %d\n", ret);
+        mbedtls_net_free(&client_fd);
         goto reset;
     }
 
@@ -487,24 +465,24 @@
     goto reset;
 
 exit:
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
+    mbedtls_ssl_cache_free(&cache);
 #endif
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ssl_config_free( &conf );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ssl_config_free(&conf);
 
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_mutex_free( &debug_mutex );
+    mbedtls_mutex_free(&debug_mutex);
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     mbedtls_memory_buffer_alloc_free();
 #endif
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
 
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index c9d9df2..7dabda8 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -26,14 +26,14 @@
     !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_NET_C) ||      \
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) ||     \
     !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
-           "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+                   "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -65,17 +65,17 @@
 #define DEBUG_LEVEL 0
 
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_debug(void *ctx, int level,
+                     const char *file, int line,
+                     const char *str)
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *) ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret, len;
     mbedtls_net_context listen_fd, client_fd;
@@ -92,206 +92,192 @@
     mbedtls_ssl_cache_context cache;
 #endif
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
+    mbedtls_ssl_cache_init(&cache);
 #endif
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_pk_init( &pkey );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_pk_init(&pkey);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
 #if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
 #endif
 
     /*
      * 1. Seed the RNG
      */
-    mbedtls_printf( "  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Load the certificates and private RSA key
      */
-    mbedtls_printf( "\n  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                         mbedtls_test_srv_key_len, NULL, 0,
-                         mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+    ret =  mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key,
+                                mbedtls_test_srv_key_len, NULL, 0,
+                                mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on https://localhost:4433/ ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on https://localhost:4433/ ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 4. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL data...." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL data....");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
+    mbedtls_ssl_conf_session_cache(&conf, &cache,
                                    mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
+                                   mbedtls_ssl_cache_set);
 #endif
 
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.next, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
 reset:
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( &client_fd );
+    mbedtls_net_free(&client_fd);
 
-    mbedtls_ssl_session_reset( &ssl );
+    mbedtls_ssl_session_reset(&ssl);
 
     /*
      * 3. Wait until a client connects
      */
-    mbedtls_printf( "  . Waiting for a remote connection ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Waiting for a remote connection ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                    NULL, 0, NULL ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_accept returned %d\n\n", ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                  NULL, 0, NULL)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_accept returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 5. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned %d\n\n", ret );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned %d\n\n", ret);
             goto reset;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 6. Read the HTTP Request
      */
-    mbedtls_printf( "  < Read from client:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from client:");
+    fflush(stdout);
 
-    do
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
-        ret = mbedtls_ssl_read( &ssl, buf, len );
+    do {
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
+        ret = mbedtls_ssl_read(&ssl, buf, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
             continue;
+        }
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( " connection was closed gracefully\n" );
+                    mbedtls_printf(" connection was closed gracefully\n");
                     break;
 
                 case MBEDTLS_ERR_NET_CONN_RESET:
-                    mbedtls_printf( " connection was reset by peer\n" );
+                    mbedtls_printf(" connection was reset by peer\n");
                     break;
 
                 default:
-                    mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+                    mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret);
                     break;
             }
 
@@ -299,53 +285,48 @@
         }
 
         len = ret;
-        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+        mbedtls_printf(" %d bytes read\n\n%s", len, (char *) buf);
 
-        if( ret > 0 )
+        if (ret > 0) {
             break;
-    }
-    while( 1 );
+        }
+    } while (1);
 
     /*
      * 7. Write the 200 Response
      */
-    mbedtls_printf( "  > Write to client:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to client:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, HTTP_RESPONSE,
-                   mbedtls_ssl_get_ciphersuite( &ssl ) );
+    len = sprintf((char *) buf, HTTP_RESPONSE,
+                  mbedtls_ssl_get_ciphersuite(&ssl));
 
-    while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-    {
-        if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-        {
-            mbedtls_printf( " failed\n  ! peer closed the connection\n\n" );
+    while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+        if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
+            mbedtls_printf(" failed\n  ! peer closed the connection\n\n");
             goto reset;
         }
 
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
             goto exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes written\n\n%s\n", len, (char *) buf );
+    mbedtls_printf(" %d bytes written\n\n%s\n", len, (char *) buf);
 
-    mbedtls_printf( "  . Closing the connection..." );
+    mbedtls_printf("  . Closing the connection...");
 
-    while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-            ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_close_notify returned %d\n\n", ret );
+    while ((ret = mbedtls_ssl_close_notify(&ssl)) < 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_close_notify returned %d\n\n", ret);
             goto reset;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     ret = 0;
     goto reset;
@@ -353,28 +334,27 @@
 exit:
 
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
+    mbedtls_ssl_cache_free(&cache);
 #endif
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 802beb2..90a13eb 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -22,16 +22,16 @@
 #include "ssl_test_lib.h"
 
 #if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( MBEDTLS_SSL_TEST_IMPOSSIBLE );
-    mbedtls_exit( 0 );
+    mbedtls_printf(MBEDTLS_SSL_TEST_IMPOSSIBLE);
+    mbedtls_exit(0);
 }
 #elif !defined(MBEDTLS_SSL_SRV_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_SSL_SRV_C not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_SSL_SRV_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
 
@@ -90,9 +90,9 @@
 #define DFL_KEY_FILE2           ""
 #define DFL_KEY_PWD2            ""
 #define DFL_ASYNC_OPERATIONS    "-"
-#define DFL_ASYNC_PRIVATE_DELAY1 ( -1 )
-#define DFL_ASYNC_PRIVATE_DELAY2 ( -1 )
-#define DFL_ASYNC_PRIVATE_ERROR  ( 0 )
+#define DFL_ASYNC_PRIVATE_DELAY1 (-1)
+#define DFL_ASYNC_PRIVATE_DELAY2 (-1)
+#define DFL_ASYNC_PRIVATE_ERROR  (0)
 #define DFL_PSK                 ""
 #define DFL_PSK_OPAQUE          0
 #define DFL_PSK_LIST_OPAQUE     0
@@ -106,7 +106,7 @@
 #define DFL_ALLOW_LEGACY        -2
 #define DFL_RENEGOTIATE         0
 #define DFL_RENEGO_DELAY        -2
-#define DFL_RENEGO_PERIOD       ( (uint64_t)-1 )
+#define DFL_RENEGO_PERIOD       ((uint64_t) -1)
 #define DFL_EXCHANGES           1
 #define DFL_MIN_VERSION         -1
 #define DFL_MAX_VERSION         -1
@@ -158,12 +158,12 @@
 #define DFL_KEY_OPAQUE_ALG      "none"
 
 #define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
-    "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n"
+                      "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
+                      "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
+                      "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
+                      "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
+                      "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
+                      "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n"
 
 /* Uncomment LONG_RESPONSE at the end of HTTP_RESPONSE to test sending longer
  * packets (for fragmentation purposes) */
@@ -189,14 +189,14 @@
     "    crt_file=%%s         Your own cert and chain (in bottom to top order, top may be omitted)\n" \
     "                        default: see note after key_file2\n" \
     "    key_file=%%s         default: see note after key_file2\n" \
-    "    key_pwd=%%s          Password for key specified by key_file argument\n"\
+    "    key_pwd=%%s          Password for key specified by key_file argument\n" \
     "                        default: none\n" \
     "    crt_file2=%%s        Your second cert and chain (in bottom to top order, top may be omitted)\n" \
     "                        default: see note after key_file2\n" \
     "    key_file2=%%s        default: see note below\n" \
     "                        note: if neither crt_file/key_file nor crt_file2/key_file2 are used,\n" \
     "                              preloaded certificate(s) and key(s) are used if available\n" \
-    "    key_pwd2=%%s         Password for key specified by key_file2 argument\n"\
+    "    key_pwd2=%%s         Password for key specified by key_file2 argument\n" \
     "                        default: none\n" \
     "    dhm_file=%%s        File containing Diffie-Hellman parameters\n" \
     "                       default: preloaded parameters\n"
@@ -339,8 +339,8 @@
 #endif
 
 #define USAGE_SNI                                                           \
-    "    sni=%%s              name1,cert1,key1,ca1"SNI_CRL",auth1[,...]\n"  \
-    "                        default: disabled\n"
+    "    sni=%%s              name1,cert1,key1,ca1"SNI_CRL ",auth1[,...]\n"  \
+                                                           "                        default: disabled\n"
 #else
 #define USAGE_SNI ""
 #endif /* SNI_OPTION */
@@ -465,7 +465,7 @@
     "    serialize=%%d        default: 0 (do not serialize/deserialize)\n"     \
     "                        options: 1 (serialize)\n"                         \
     "                                 2 (serialize with re-initialization)\n"  \
-    "    context_file=%%s     The file path to write a serialized connection\n"\
+    "    context_file=%%s     The file path to write a serialized connection\n" \
     "                        in the form of base64 code (serialize option\n"   \
     "                        must be set)\n"                                   \
     "                         default: \"\" (do nothing)\n"                    \
@@ -511,7 +511,7 @@
     "                         (minimum: 1)\n" \
     "    response_size=%%d    default: about 152 (basic response)\n" \
     "                          (minimum: 0, max: 16384)\n" \
-    "                          increases buffer_size if bigger\n"\
+    "                          increases buffer_size if bigger\n" \
     "    nbio=%%d             default: 0 (blocking I/O)\n"  \
     "                        options: 1 (non-blocking), 2 (added delays)\n" \
     "    event=%%d            default: 0 (loop)\n"                            \
@@ -586,17 +586,17 @@
 #define CURVE_LIST_SIZE   20
 #define SIG_ALG_LIST_SIZE 5
 
-#define PUT_UINT64_BE(out_be,in_le,i)                                   \
-{                                                                       \
-    (out_be)[(i) + 0] = (unsigned char)( ( (in_le) >> 56 ) & 0xFF );    \
-    (out_be)[(i) + 1] = (unsigned char)( ( (in_le) >> 48 ) & 0xFF );    \
-    (out_be)[(i) + 2] = (unsigned char)( ( (in_le) >> 40 ) & 0xFF );    \
-    (out_be)[(i) + 3] = (unsigned char)( ( (in_le) >> 32 ) & 0xFF );    \
-    (out_be)[(i) + 4] = (unsigned char)( ( (in_le) >> 24 ) & 0xFF );    \
-    (out_be)[(i) + 5] = (unsigned char)( ( (in_le) >> 16 ) & 0xFF );    \
-    (out_be)[(i) + 6] = (unsigned char)( ( (in_le) >> 8  ) & 0xFF );    \
-    (out_be)[(i) + 7] = (unsigned char)( ( (in_le) >> 0  ) & 0xFF );    \
-}
+#define PUT_UINT64_BE(out_be, in_le, i)                                   \
+    {                                                                       \
+        (out_be)[(i) + 0] = (unsigned char) (((in_le) >> 56) & 0xFF);    \
+        (out_be)[(i) + 1] = (unsigned char) (((in_le) >> 48) & 0xFF);    \
+        (out_be)[(i) + 2] = (unsigned char) (((in_le) >> 40) & 0xFF);    \
+        (out_be)[(i) + 3] = (unsigned char) (((in_le) >> 32) & 0xFF);    \
+        (out_be)[(i) + 4] = (unsigned char) (((in_le) >> 24) & 0xFF);    \
+        (out_be)[(i) + 5] = (unsigned char) (((in_le) >> 16) & 0xFF);    \
+        (out_be)[(i) + 6] = (unsigned char) (((in_le) >> 8) & 0xFF);    \
+        (out_be)[(i) + 7] = (unsigned char) (((in_le) >> 0) & 0xFF);    \
+    }
 
 /* This is global so it can be easily accessed by callback functions */
 rng_context_t rng;
@@ -604,8 +604,7 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char *server_addr;    /* address on which the ssl service runs    */
     const char *server_port;    /* port on which the ssl service runs       */
     int debug_level;            /* level of debugging                       */
@@ -713,30 +712,33 @@
 /*
  * Return authmode from string, or -1 on error
  */
-static int get_auth_mode( const char *s )
+static int get_auth_mode(const char *s)
 {
-    if( strcmp( s, "none" ) == 0 )
-        return( MBEDTLS_SSL_VERIFY_NONE );
-    if( strcmp( s, "optional" ) == 0 )
-        return( MBEDTLS_SSL_VERIFY_OPTIONAL );
-    if( strcmp( s, "required" ) == 0 )
-        return( MBEDTLS_SSL_VERIFY_REQUIRED );
+    if (strcmp(s, "none") == 0) {
+        return MBEDTLS_SSL_VERIFY_NONE;
+    }
+    if (strcmp(s, "optional") == 0) {
+        return MBEDTLS_SSL_VERIFY_OPTIONAL;
+    }
+    if (strcmp(s, "required") == 0) {
+        return MBEDTLS_SSL_VERIFY_REQUIRED;
+    }
 
-    return( -1 );
+    return -1;
 }
 
 /*
  * Used by sni_parse and psk_parse to handle comma-separated lists
  */
-#define GET_ITEM( dst )         \
+#define GET_ITEM(dst)         \
     do                          \
     {                           \
         (dst) = p;              \
-        while( *p != ',' )      \
-            if( ++p > end )     \
-                goto error;     \
+        while (*p != ',')      \
+        if (++p > end)     \
+        goto error;     \
         *p++ = '\0';            \
-    } while( 0 )
+    } while (0)
 
 #if defined(SNI_OPTION)
 typedef struct _sni_entry sni_entry;
@@ -745,32 +747,31 @@
     const char *name;
     mbedtls_x509_crt *cert;
     mbedtls_pk_context *key;
-    mbedtls_x509_crt* ca;
-    mbedtls_x509_crl* crl;
+    mbedtls_x509_crt *ca;
+    mbedtls_x509_crl *crl;
     int authmode;
     sni_entry *next;
 };
 
-void sni_free( sni_entry *head )
+void sni_free(sni_entry *head)
 {
     sni_entry *cur = head, *next;
 
-    while( cur != NULL )
-    {
-        mbedtls_x509_crt_free( cur->cert );
-        mbedtls_free( cur->cert );
+    while (cur != NULL) {
+        mbedtls_x509_crt_free(cur->cert);
+        mbedtls_free(cur->cert);
 
-        mbedtls_pk_free( cur->key );
-        mbedtls_free( cur->key );
+        mbedtls_pk_free(cur->key);
+        mbedtls_free(cur->key);
 
-        mbedtls_x509_crt_free( cur->ca );
-        mbedtls_free( cur->ca );
+        mbedtls_x509_crt_free(cur->ca);
+        mbedtls_free(cur->ca);
 #if defined(MBEDTLS_X509_CRL_PARSE_C)
-        mbedtls_x509_crl_free( cur->crl );
-        mbedtls_free( cur->crl );
+        mbedtls_x509_crl_free(cur->crl);
+        mbedtls_free(cur->crl);
 #endif
         next = cur->next;
-        mbedtls_free( cur );
+        mbedtls_free(cur);
         cur = next;
     }
 }
@@ -782,7 +783,7 @@
  *
  * Modifies the input string! This is not production quality!
  */
-sni_entry *sni_parse( char *sni_string )
+sni_entry *sni_parse(char *sni_string)
 {
     sni_entry *cur = NULL, *new = NULL;
     char *p = sni_string;
@@ -792,87 +793,90 @@
     char *crl_file;
 #endif
 
-    while( *end != '\0' )
+    while (*end != '\0') {
         ++end;
+    }
     *end = ',';
 
-    while( p <= end )
-    {
-        if( ( new = mbedtls_calloc( 1, sizeof( sni_entry ) ) ) == NULL )
-        {
-            sni_free( cur );
-            return( NULL );
+    while (p <= end) {
+        if ((new = mbedtls_calloc(1, sizeof(sni_entry))) == NULL) {
+            sni_free(cur);
+            return NULL;
         }
 
-        GET_ITEM( new->name );
-        GET_ITEM( crt_file );
-        GET_ITEM( key_file );
-        GET_ITEM( ca_file );
+        GET_ITEM(new->name);
+        GET_ITEM(crt_file);
+        GET_ITEM(key_file);
+        GET_ITEM(ca_file);
 #if defined(MBEDTLS_X509_CRL_PARSE_C)
-        GET_ITEM( crl_file );
+        GET_ITEM(crl_file);
 #endif
-        GET_ITEM( auth_str );
+        GET_ITEM(auth_str);
 
-        if( ( new->cert = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL ||
-            ( new->key = mbedtls_calloc( 1, sizeof( mbedtls_pk_context ) ) ) == NULL )
+        if ((new->cert = mbedtls_calloc(1, sizeof(mbedtls_x509_crt))) == NULL ||
+            (new->key = mbedtls_calloc(1, sizeof(mbedtls_pk_context))) == NULL) {
             goto error;
+        }
 
-        mbedtls_x509_crt_init( new->cert );
-        mbedtls_pk_init( new->key );
+        mbedtls_x509_crt_init(new->cert);
+        mbedtls_pk_init(new->key);
 
-        if( mbedtls_x509_crt_parse_file( new->cert, crt_file ) != 0 ||
-            mbedtls_pk_parse_keyfile( new->key, key_file, "", rng_get, &rng ) != 0 )
+        if (mbedtls_x509_crt_parse_file(new->cert, crt_file) != 0 ||
+            mbedtls_pk_parse_keyfile(new->key, key_file, "", rng_get, &rng) != 0) {
             goto error;
+        }
 
-        if( strcmp( ca_file, "-" ) != 0 )
-        {
-            if( ( new->ca = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL )
+        if (strcmp(ca_file, "-") != 0) {
+            if ((new->ca = mbedtls_calloc(1, sizeof(mbedtls_x509_crt))) == NULL) {
                 goto error;
+            }
 
-            mbedtls_x509_crt_init( new->ca );
+            mbedtls_x509_crt_init(new->ca);
 
-            if( mbedtls_x509_crt_parse_file( new->ca, ca_file ) != 0 )
+            if (mbedtls_x509_crt_parse_file(new->ca, ca_file) != 0) {
                 goto error;
+            }
         }
 
 #if defined(MBEDTLS_X509_CRL_PARSE_C)
-        if( strcmp( crl_file, "-" ) != 0 )
-        {
-            if( ( new->crl = mbedtls_calloc( 1, sizeof( mbedtls_x509_crl ) ) ) == NULL )
+        if (strcmp(crl_file, "-") != 0) {
+            if ((new->crl = mbedtls_calloc(1, sizeof(mbedtls_x509_crl))) == NULL) {
                 goto error;
+            }
 
-            mbedtls_x509_crl_init( new->crl );
+            mbedtls_x509_crl_init(new->crl);
 
-            if( mbedtls_x509_crl_parse_file( new->crl, crl_file ) != 0 )
+            if (mbedtls_x509_crl_parse_file(new->crl, crl_file) != 0) {
                 goto error;
+            }
         }
 #endif
 
-        if( strcmp( auth_str, "-" ) != 0 )
-        {
-            if( ( new->authmode = get_auth_mode( auth_str ) ) < 0 )
+        if (strcmp(auth_str, "-") != 0) {
+            if ((new->authmode = get_auth_mode(auth_str)) < 0) {
                 goto error;
-        }
-        else
+            }
+        } else {
             new->authmode = DFL_AUTH_MODE;
+        }
 
         new->next = cur;
         cur = new;
     }
 
-    return( cur );
+    return cur;
 
 error:
-    sni_free( new );
-    sni_free( cur );
-    return( NULL );
+    sni_free(new);
+    sni_free(cur);
+    return NULL;
 }
 
 /*
  * SNI callback.
  */
-int sni_callback( void *p_info, mbedtls_ssl_context *ssl,
-                  const unsigned char *name, size_t name_len )
+int sni_callback(void *p_info, mbedtls_ssl_context *ssl,
+                 const unsigned char *name, size_t name_len)
 {
     const sni_entry *cur = (const sni_entry *) p_info;
 
@@ -884,48 +888,48 @@
      * Application might choose to save name and name_len in user_data for
      * later use in certificate selection callback.
      */
-    while( cur != NULL )
-    {
-        if( name_len == strlen( cur->name ) &&
-            memcmp( name, cur->name, name_len ) == 0 )
-        {
+    while (cur != NULL) {
+        if (name_len == strlen(cur->name) &&
+            memcmp(name, cur->name, name_len) == 0) {
             void *p;
             *(const void **)&p = cur;
-            mbedtls_ssl_set_user_data_p( ssl, p );
-            return( 0 );
+            mbedtls_ssl_set_user_data_p(ssl, p);
+            return 0;
         }
 
         cur = cur->next;
     }
 
-    return( -1 );
+    return -1;
 }
 
 /*
  * server certificate selection callback.
  */
-int cert_callback( mbedtls_ssl_context *ssl )
+int cert_callback(mbedtls_ssl_context *ssl)
 {
-    const sni_entry *cur = (sni_entry *) mbedtls_ssl_get_user_data_p( ssl );
-    if( cur != NULL )
-    {
+    const sni_entry *cur = (sni_entry *) mbedtls_ssl_get_user_data_p(ssl);
+    if (cur != NULL) {
         /*(exercise mbedtls_ssl_get_hs_sni(); not otherwise used here)*/
         size_t name_len;
-        const unsigned char *name = mbedtls_ssl_get_hs_sni( ssl, &name_len );
-        if( strlen( cur->name ) != name_len ||
-            memcmp( cur->name, name, name_len ) != 0 )
-            return( MBEDTLS_ERR_SSL_DECODE_ERROR );
+        const unsigned char *name = mbedtls_ssl_get_hs_sni(ssl, &name_len);
+        if (strlen(cur->name) != name_len ||
+            memcmp(cur->name, name, name_len) != 0) {
+            return MBEDTLS_ERR_SSL_DECODE_ERROR;
+        }
 
-        if( cur->ca != NULL )
-            mbedtls_ssl_set_hs_ca_chain( ssl, cur->ca, cur->crl );
+        if (cur->ca != NULL) {
+            mbedtls_ssl_set_hs_ca_chain(ssl, cur->ca, cur->crl);
+        }
 
-        if( cur->authmode != DFL_AUTH_MODE )
-            mbedtls_ssl_set_hs_authmode( ssl, cur->authmode );
+        if (cur->authmode != DFL_AUTH_MODE) {
+            mbedtls_ssl_set_hs_authmode(ssl, cur->authmode);
+        }
 
-        return( mbedtls_ssl_set_hs_own_cert( ssl, cur->cert, cur->key ) );
+        return mbedtls_ssl_set_hs_own_cert(ssl, cur->cert, cur->key);
     }
 
-    return( 0 );
+    return 0;
 }
 
 #endif /* SNI_OPTION */
@@ -934,8 +938,7 @@
 
 typedef struct _psk_entry psk_entry;
 
-struct _psk_entry
-{
+struct _psk_entry {
     const char *name;
     size_t key_len;
     unsigned char key[MBEDTLS_PSK_MAX_LEN];
@@ -948,30 +951,29 @@
 /*
  * Free a list of psk_entry's
  */
-int psk_free( psk_entry *head )
+int psk_free(psk_entry *head)
 {
     psk_entry *next;
 
-    while( head != NULL )
-    {
+    while (head != NULL) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
         psa_status_t status;
         mbedtls_svc_key_id_t const slot = head->slot;
 
-        if( MBEDTLS_SVC_KEY_ID_GET_KEY_ID( slot ) != 0 )
-        {
-            status = psa_destroy_key( slot );
-            if( status != PSA_SUCCESS )
-                return( status );
+        if (MBEDTLS_SVC_KEY_ID_GET_KEY_ID(slot) != 0) {
+            status = psa_destroy_key(slot);
+            if (status != PSA_SUCCESS) {
+                return status;
+            }
         }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
         next = head->next;
-        mbedtls_free( head );
+        mbedtls_free(head);
         head = next;
     }
 
-    return( 0 );
+    return 0;
 }
 
 /*
@@ -980,68 +982,68 @@
  *
  * Modifies the input string! This is not production quality!
  */
-psk_entry *psk_parse( char *psk_string )
+psk_entry *psk_parse(char *psk_string)
 {
     psk_entry *cur = NULL, *new = NULL;
     char *p = psk_string;
     char *end = p;
     char *key_hex;
 
-    while( *end != '\0' )
+    while (*end != '\0') {
         ++end;
+    }
     *end = ',';
 
-    while( p <= end )
-    {
-        if( ( new = mbedtls_calloc( 1, sizeof( psk_entry ) ) ) == NULL )
+    while (p <= end) {
+        if ((new = mbedtls_calloc(1, sizeof(psk_entry))) == NULL) {
             goto error;
+        }
 
-        memset( new, 0, sizeof( psk_entry ) );
+        memset(new, 0, sizeof(psk_entry));
 
-        GET_ITEM( new->name );
-        GET_ITEM( key_hex );
+        GET_ITEM(new->name);
+        GET_ITEM(key_hex);
 
-        if( mbedtls_test_unhexify( new->key, MBEDTLS_PSK_MAX_LEN,
-                                   key_hex, &new->key_len ) != 0 )
+        if (mbedtls_test_unhexify(new->key, MBEDTLS_PSK_MAX_LEN,
+                                  key_hex, &new->key_len) != 0) {
             goto error;
+        }
 
         new->next = cur;
         cur = new;
     }
 
-    return( cur );
+    return cur;
 
 error:
-    psk_free( new );
-    psk_free( cur );
-    return( 0 );
+    psk_free(new);
+    psk_free(cur);
+    return 0;
 }
 
 /*
  * PSK callback
  */
-int psk_callback( void *p_info, mbedtls_ssl_context *ssl,
-                  const unsigned char *name, size_t name_len )
+int psk_callback(void *p_info, mbedtls_ssl_context *ssl,
+                 const unsigned char *name, size_t name_len)
 {
     psk_entry *cur = (psk_entry *) p_info;
 
-    while( cur != NULL )
-    {
-        if( name_len == strlen( cur->name ) &&
-            memcmp( name, cur->name, name_len ) == 0 )
-        {
+    while (cur != NULL) {
+        if (name_len == strlen(cur->name) &&
+            memcmp(name, cur->name, name_len) == 0) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-            if( MBEDTLS_SVC_KEY_ID_GET_KEY_ID( cur->slot ) != 0 )
-                return( mbedtls_ssl_set_hs_psk_opaque( ssl, cur->slot ) );
-            else
+            if (MBEDTLS_SVC_KEY_ID_GET_KEY_ID(cur->slot) != 0) {
+                return mbedtls_ssl_set_hs_psk_opaque(ssl, cur->slot);
+            } else
 #endif
-            return( mbedtls_ssl_set_hs_psk( ssl, cur->key, cur->key_len ) );
+            return mbedtls_ssl_set_hs_psk(ssl, cur->key, cur->key_len);
         }
 
         cur = cur->next;
     }
 
-    return( -1 );
+    return -1;
 }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
 
@@ -1050,12 +1052,12 @@
 /* Interruption handler to ensure clean exit (for valgrind testing) */
 #if !defined(_WIN32)
 static int received_sigterm = 0;
-void term_handler( int sig )
+void term_handler(int sig)
 {
     ((void) sig);
     received_sigterm = 1;
-    mbedtls_net_free( &listen_fd ); /* causes mbedtls_net_accept() to abort */
-    mbedtls_net_free( &client_fd ); /* causes net_read() to abort */
+    mbedtls_net_free(&listen_fd);   /* causes mbedtls_net_accept() to abort */
+    mbedtls_net_free(&client_fd);   /* causes net_read() to abort */
 }
 #endif
 
@@ -1069,16 +1071,15 @@
  * - A write, when the SSL output buffer contains some data that has not
  *   been sent over the network yet.
  * - An asynchronous callback that has not completed yet. */
-static int mbedtls_status_is_ssl_in_progress( int ret )
+static int mbedtls_status_is_ssl_in_progress(int ret)
 {
-    return( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-            ret == MBEDTLS_ERR_SSL_WANT_WRITE ||
-            ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS );
+    return ret == MBEDTLS_ERR_SSL_WANT_READ ||
+           ret == MBEDTLS_ERR_SSL_WANT_WRITE ||
+           ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS;
 }
 
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-typedef struct
-{
+typedef struct {
     mbedtls_x509_crt *cert; /*!< Certificate corresponding to the key */
     mbedtls_pk_context *pk; /*!< Private key */
     unsigned delay; /*!< Number of resume steps to go through */
@@ -1093,8 +1094,7 @@
 #define SSL_ASYNC_INJECT_ERROR_MAX SSL_ASYNC_INJECT_ERROR_RESUME
 } ssl_async_inject_error_t;
 
-typedef struct
-{
+typedef struct {
     ssl_async_key_slot_t slots[4]; /* key, key2, sni1, sni2 */
     size_t slots_used;
     ssl_async_inject_error_t inject_error;
@@ -1102,32 +1102,31 @@
     void *p_rng;
 } ssl_async_key_context_t;
 
-int ssl_async_set_key( ssl_async_key_context_t *ctx,
-                       mbedtls_x509_crt *cert,
-                       mbedtls_pk_context *pk,
-                       int pk_take_ownership,
-                       unsigned delay )
+int ssl_async_set_key(ssl_async_key_context_t *ctx,
+                      mbedtls_x509_crt *cert,
+                      mbedtls_pk_context *pk,
+                      int pk_take_ownership,
+                      unsigned delay)
 {
-    if( ctx->slots_used >= sizeof( ctx->slots ) / sizeof( *ctx->slots ) )
-        return( -1 );
+    if (ctx->slots_used >= sizeof(ctx->slots) / sizeof(*ctx->slots)) {
+        return -1;
+    }
     ctx->slots[ctx->slots_used].cert = cert;
     ctx->slots[ctx->slots_used].pk = pk;
     ctx->slots[ctx->slots_used].delay = delay;
     ctx->slots[ctx->slots_used].pk_owned = pk_take_ownership;
     ++ctx->slots_used;
-    return( 0 );
+    return 0;
 }
 
 #define SSL_ASYNC_INPUT_MAX_SIZE 512
 
-typedef enum
-{
+typedef enum {
     ASYNC_OP_SIGN,
     ASYNC_OP_DECRYPT,
 } ssl_async_operation_type_t;
 
-typedef struct
-{
+typedef struct {
     unsigned slot;
     ssl_async_operation_type_t operation_type;
     mbedtls_md_type_t md_alg;
@@ -1147,295 +1146,288 @@
     "decrypt",
 };
 
-static int ssl_async_start( mbedtls_ssl_context *ssl,
-                            mbedtls_x509_crt *cert,
-                            ssl_async_operation_type_t op_type,
-                            mbedtls_md_type_t md_alg,
-                            const unsigned char *input,
-                            size_t input_len )
+static int ssl_async_start(mbedtls_ssl_context *ssl,
+                           mbedtls_x509_crt *cert,
+                           ssl_async_operation_type_t op_type,
+                           mbedtls_md_type_t md_alg,
+                           const unsigned char *input,
+                           size_t input_len)
 {
     ssl_async_key_context_t *config_data =
-        mbedtls_ssl_conf_get_async_config_data( ssl->conf );
+        mbedtls_ssl_conf_get_async_config_data(ssl->conf);
     unsigned slot;
     ssl_async_operation_context_t *ctx = NULL;
     const char *op_name = ssl_async_operation_names[op_type];
 
     {
         char dn[100];
-        if( mbedtls_x509_dn_gets( dn, sizeof( dn ), &cert->subject ) > 0 )
-            mbedtls_printf( "Async %s callback: looking for DN=%s\n",
-                            op_name, dn );
+        if (mbedtls_x509_dn_gets(dn, sizeof(dn), &cert->subject) > 0) {
+            mbedtls_printf("Async %s callback: looking for DN=%s\n",
+                           op_name, dn);
+        }
     }
 
     /* Look for a private key that matches the public key in cert.
      * Since this test code has the private key inside Mbed TLS,
      * we call mbedtls_pk_check_pair to match a private key with the
      * public key. */
-    for( slot = 0; slot < config_data->slots_used; slot++ )
-    {
-        if( mbedtls_pk_check_pair( &cert->pk,
-                                   config_data->slots[slot].pk,
-                                   rng_get, &rng ) == 0 )
+    for (slot = 0; slot < config_data->slots_used; slot++) {
+        if (mbedtls_pk_check_pair(&cert->pk,
+                                  config_data->slots[slot].pk,
+                                  rng_get, &rng) == 0) {
             break;
+        }
     }
-    if( slot == config_data->slots_used )
-    {
-        mbedtls_printf( "Async %s callback: no key matches this certificate.\n",
-                        op_name );
-        return( MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH );
+    if (slot == config_data->slots_used) {
+        mbedtls_printf("Async %s callback: no key matches this certificate.\n",
+                       op_name);
+        return MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH;
     }
-    mbedtls_printf( "Async %s callback: using key slot %u, delay=%u.\n",
-                    op_name, slot, config_data->slots[slot].delay );
+    mbedtls_printf("Async %s callback: using key slot %u, delay=%u.\n",
+                   op_name, slot, config_data->slots[slot].delay);
 
-    if( config_data->inject_error == SSL_ASYNC_INJECT_ERROR_START )
-    {
-        mbedtls_printf( "Async %s callback: injected error\n", op_name );
-        return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
+    if (config_data->inject_error == SSL_ASYNC_INJECT_ERROR_START) {
+        mbedtls_printf("Async %s callback: injected error\n", op_name);
+        return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
     }
 
-    if( input_len > SSL_ASYNC_INPUT_MAX_SIZE )
-        return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
+    if (input_len > SSL_ASYNC_INPUT_MAX_SIZE) {
+        return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
+    }
 
-    ctx = mbedtls_calloc( 1, sizeof( *ctx ) );
-    if( ctx == NULL )
-        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
+    ctx = mbedtls_calloc(1, sizeof(*ctx));
+    if (ctx == NULL) {
+        return MBEDTLS_ERR_SSL_ALLOC_FAILED;
+    }
     ctx->slot = slot;
     ctx->operation_type = op_type;
     ctx->md_alg = md_alg;
-    memcpy( ctx->input, input, input_len );
+    memcpy(ctx->input, input, input_len);
     ctx->input_len = input_len;
     ctx->remaining_delay = config_data->slots[slot].delay;
-    mbedtls_ssl_set_async_operation_data( ssl, ctx );
+    mbedtls_ssl_set_async_operation_data(ssl, ctx);
 
-    if( ctx->remaining_delay == 0 )
-        return( 0 );
-    else
-        return( MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS );
+    if (ctx->remaining_delay == 0) {
+        return 0;
+    } else {
+        return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS;
+    }
 }
 
-static int ssl_async_sign( mbedtls_ssl_context *ssl,
-                           mbedtls_x509_crt *cert,
-                           mbedtls_md_type_t md_alg,
-                           const unsigned char *hash,
-                           size_t hash_len )
+static int ssl_async_sign(mbedtls_ssl_context *ssl,
+                          mbedtls_x509_crt *cert,
+                          mbedtls_md_type_t md_alg,
+                          const unsigned char *hash,
+                          size_t hash_len)
 {
-    return( ssl_async_start( ssl, cert,
-                             ASYNC_OP_SIGN, md_alg,
-                             hash, hash_len ) );
+    return ssl_async_start(ssl, cert,
+                           ASYNC_OP_SIGN, md_alg,
+                           hash, hash_len);
 }
 
-static int ssl_async_decrypt( mbedtls_ssl_context *ssl,
-                              mbedtls_x509_crt *cert,
-                              const unsigned char *input,
-                              size_t input_len )
+static int ssl_async_decrypt(mbedtls_ssl_context *ssl,
+                             mbedtls_x509_crt *cert,
+                             const unsigned char *input,
+                             size_t input_len)
 {
-    return( ssl_async_start( ssl, cert,
-                             ASYNC_OP_DECRYPT, MBEDTLS_MD_NONE,
-                             input, input_len ) );
+    return ssl_async_start(ssl, cert,
+                           ASYNC_OP_DECRYPT, MBEDTLS_MD_NONE,
+                           input, input_len);
 }
 
-static int ssl_async_resume( mbedtls_ssl_context *ssl,
-                             unsigned char *output,
-                             size_t *output_len,
-                             size_t output_size )
+static int ssl_async_resume(mbedtls_ssl_context *ssl,
+                            unsigned char *output,
+                            size_t *output_len,
+                            size_t output_size)
 {
-    ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data( ssl );
+    ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data(ssl);
     ssl_async_key_context_t *config_data =
-        mbedtls_ssl_conf_get_async_config_data( ssl->conf );
+        mbedtls_ssl_conf_get_async_config_data(ssl->conf);
     ssl_async_key_slot_t *key_slot = &config_data->slots[ctx->slot];
     int ret;
     const char *op_name;
 
-    if( ctx->remaining_delay > 0 )
-    {
+    if (ctx->remaining_delay > 0) {
         --ctx->remaining_delay;
-        mbedtls_printf( "Async resume (slot %u): call %u more times.\n",
-                        ctx->slot, ctx->remaining_delay );
-        return( MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS );
+        mbedtls_printf("Async resume (slot %u): call %u more times.\n",
+                       ctx->slot, ctx->remaining_delay);
+        return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS;
     }
 
-    switch( ctx->operation_type )
-    {
+    switch (ctx->operation_type) {
         case ASYNC_OP_DECRYPT:
-            ret = mbedtls_pk_decrypt( key_slot->pk,
-                                      ctx->input, ctx->input_len,
-                                      output, output_len, output_size,
-                                      config_data->f_rng, config_data->p_rng );
+            ret = mbedtls_pk_decrypt(key_slot->pk,
+                                     ctx->input, ctx->input_len,
+                                     output, output_len, output_size,
+                                     config_data->f_rng, config_data->p_rng);
             break;
         case ASYNC_OP_SIGN:
-            ret = mbedtls_pk_sign( key_slot->pk,
-                                   ctx->md_alg,
-                                   ctx->input, ctx->input_len,
-                                   output, output_size, output_len,
-                                   config_data->f_rng, config_data->p_rng );
+            ret = mbedtls_pk_sign(key_slot->pk,
+                                  ctx->md_alg,
+                                  ctx->input, ctx->input_len,
+                                  output, output_size, output_len,
+                                  config_data->f_rng, config_data->p_rng);
             break;
         default:
-            mbedtls_printf( "Async resume (slot %u): unknown operation type %ld. This shouldn't happen.\n",
-                            ctx->slot, (long) ctx->operation_type );
-            mbedtls_free( ctx );
-            return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
+            mbedtls_printf(
+                "Async resume (slot %u): unknown operation type %ld. This shouldn't happen.\n",
+                ctx->slot,
+                (long) ctx->operation_type);
+            mbedtls_free(ctx);
+            return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
             break;
     }
 
     op_name = ssl_async_operation_names[ctx->operation_type];
 
-    if( config_data->inject_error == SSL_ASYNC_INJECT_ERROR_RESUME )
-    {
-        mbedtls_printf( "Async resume callback: %s done but injected error\n",
-                        op_name );
-        mbedtls_free( ctx );
-        return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
+    if (config_data->inject_error == SSL_ASYNC_INJECT_ERROR_RESUME) {
+        mbedtls_printf("Async resume callback: %s done but injected error\n",
+                       op_name);
+        mbedtls_free(ctx);
+        return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
     }
 
-    mbedtls_printf( "Async resume (slot %u): %s done, status=%d.\n",
-                    ctx->slot, op_name, ret );
-    mbedtls_free( ctx );
-    return( ret );
+    mbedtls_printf("Async resume (slot %u): %s done, status=%d.\n",
+                   ctx->slot, op_name, ret);
+    mbedtls_free(ctx);
+    return ret;
 }
 
-static void ssl_async_cancel( mbedtls_ssl_context *ssl )
+static void ssl_async_cancel(mbedtls_ssl_context *ssl)
 {
-    ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data( ssl );
-    mbedtls_printf( "Async cancel callback.\n" );
-    mbedtls_free( ctx );
+    ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data(ssl);
+    mbedtls_printf("Async cancel callback.\n");
+    mbedtls_free(ctx);
 }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
-static psa_status_t psa_setup_psk_key_slot( mbedtls_svc_key_id_t *slot,
-                                            psa_algorithm_t alg,
-                                            unsigned char *psk,
-                                            size_t psk_len )
+static psa_status_t psa_setup_psk_key_slot(mbedtls_svc_key_id_t *slot,
+                                           psa_algorithm_t alg,
+                                           unsigned char *psk,
+                                           size_t psk_len)
 {
     psa_status_t status;
     psa_key_attributes_t key_attributes;
 
     key_attributes = psa_key_attributes_init();
-    psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
-    psa_set_key_algorithm( &key_attributes, alg );
-    psa_set_key_type( &key_attributes, PSA_KEY_TYPE_DERIVE );
+    psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE);
+    psa_set_key_algorithm(&key_attributes, alg);
+    psa_set_key_type(&key_attributes, PSA_KEY_TYPE_DERIVE);
 
-    status = psa_import_key( &key_attributes, psk, psk_len, slot );
-    if( status != PSA_SUCCESS )
-    {
-        fprintf( stderr, "IMPORT\n" );
-        return( status );
+    status = psa_import_key(&key_attributes, psk, psk_len, slot);
+    if (status != PSA_SUCCESS) {
+        fprintf(stderr, "IMPORT\n");
+        return status;
     }
 
-    return( PSA_SUCCESS );
+    return PSA_SUCCESS;
 }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-int report_cid_usage( mbedtls_ssl_context *ssl,
-                      const char *additional_description )
+int report_cid_usage(mbedtls_ssl_context *ssl,
+                     const char *additional_description)
 {
     int ret;
-    unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ];
+    unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX];
     size_t peer_cid_len;
     int cid_negotiated;
 
-    if( opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-        return( 0 );
+    if (opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        return 0;
+    }
 
     /* Check if the use of a CID has been negotiated */
-    ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
-                                    peer_cid, &peer_cid_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-                        (unsigned int) -ret );
-        return( ret );
+    ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated,
+                                   peer_cid, &peer_cid_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+                       (unsigned int) -ret);
+        return ret;
     }
 
-    if( cid_negotiated == MBEDTLS_SSL_CID_DISABLED )
-    {
-        if( opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED )
-        {
-            mbedtls_printf( "(%s) Use of Connection ID was not offered by client.\n",
-                            additional_description );
+    if (cid_negotiated == MBEDTLS_SSL_CID_DISABLED) {
+        if (opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED) {
+            mbedtls_printf("(%s) Use of Connection ID was not offered by client.\n",
+                           additional_description);
         }
-    }
-    else
-    {
-        size_t idx=0;
-        mbedtls_printf( "(%s) Use of Connection ID has been negotiated.\n",
-                        additional_description );
-        mbedtls_printf( "(%s) Peer CID (length %u Bytes): ",
-                        additional_description,
-                        (unsigned) peer_cid_len );
-        while( idx < peer_cid_len )
-        {
-            mbedtls_printf( "%02x ", peer_cid[ idx ] );
+    } else {
+        size_t idx = 0;
+        mbedtls_printf("(%s) Use of Connection ID has been negotiated.\n",
+                       additional_description);
+        mbedtls_printf("(%s) Peer CID (length %u Bytes): ",
+                       additional_description,
+                       (unsigned) peer_cid_len);
+        while (idx < peer_cid_len) {
+            mbedtls_printf("%02x ", peer_cid[idx]);
             idx++;
         }
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
     }
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_HAVE_TIME)
 /* Functions for session ticket tests */
-int dummy_ticket_write( void *p_ticket, const mbedtls_ssl_session *session,
-                        unsigned char *start, const unsigned char *end,
-                        size_t *tlen, uint32_t *ticket_lifetime )
+int dummy_ticket_write(void *p_ticket, const mbedtls_ssl_session *session,
+                       unsigned char *start, const unsigned char *end,
+                       size_t *tlen, uint32_t *ticket_lifetime)
 {
     int ret;
     unsigned char *p = start;
     size_t clear_len;
     ((void) p_ticket);
 
-    if( end - p < 4 )
-    {
-        return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
+    if (end - p < 4) {
+        return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL;
     }
-    *((uint32_t *)p) = 7 * 24 * 3600;
+    *((uint32_t *) p) = 7 * 24 * 3600;
     *ticket_lifetime = 7 * 24 * 3600;
     p += 4;
 
     /* Dump session state */
-    if( ( ret = mbedtls_ssl_session_save( session, p, end - p,
-                                          &clear_len ) ) != 0 )
-    {
-         return( ret );
+    if ((ret = mbedtls_ssl_session_save(session, p, end - p,
+                                        &clear_len)) != 0) {
+        return ret;
     }
 
     *tlen = 4 + clear_len;
 
-    return( 0 );
+    return 0;
 }
 
-int dummy_ticket_parse( void *p_ticket, mbedtls_ssl_session *session,
-                        unsigned char *buf, size_t len )
+int dummy_ticket_parse(void *p_ticket, mbedtls_ssl_session *session,
+                       unsigned char *buf, size_t len)
 {
     int ret;
     ((void) p_ticket);
 
-    if( ( ret = mbedtls_ssl_session_load( session, buf + 4, len - 4 ) ) != 0 )
-        return( ret );
+    if ((ret = mbedtls_ssl_session_load(session, buf + 4, len - 4)) != 0) {
+        return ret;
+    }
 
-    switch( opt.dummy_ticket % 7 )
-    {
+    switch (opt.dummy_ticket % 7) {
         case 1:
-            return( MBEDTLS_ERR_SSL_INVALID_MAC );
+            return MBEDTLS_ERR_SSL_INVALID_MAC;
         case 2:
-            return( MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED );
+            return MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED;
         case 3:
-            session->start = mbedtls_time( NULL ) + 10;
+            session->start = mbedtls_time(NULL) + 10;
             break;
         case 4:
-            session->start = mbedtls_time( NULL ) - 10 - 7 * 24 * 3600;
+            session->start = mbedtls_time(NULL) - 10 - 7 * 24 * 3600;
             break;
         case 5:
-            session->start = mbedtls_time( NULL ) - 10;
+            session->start = mbedtls_time(NULL) - 10;
             break;
         case 6:
-            session->start = mbedtls_time( NULL );
+            session->start = mbedtls_time(NULL);
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
             session->ticket_age_add -= 1000;
 #endif
@@ -1444,16 +1436,16 @@
             break;
     }
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_HAVE_TIME */
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 0, len, written, frags, exchanges_left;
     int query_config_ret = 0;
     io_ctx_t io_ctx;
-    unsigned char* buf = 0;
+    unsigned char *buf = 0;
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_algorithm_t alg = 0;
@@ -1509,7 +1501,7 @@
 #endif
 #if defined(MBEDTLS_ECP_C)
     uint16_t group_list[CURVE_LIST_SIZE];
-    const mbedtls_ecp_curve_info * curve_cur;
+    const mbedtls_ecp_curve_info *curve_cur;
 #endif
 #if defined(MBEDTLS_SSL_ALPN)
     const char *alpn_list[ALPN_LIST_SIZE];
@@ -1544,109 +1536,108 @@
 #endif
     unsigned char eap_tls_keymaterial[16];
     unsigned char eap_tls_iv[8];
-    const char* eap_tls_label = "client EAP encryption";
+    const char *eap_tls_label = "client EAP encryption";
     eap_tls_keys eap_tls_keying;
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
     /*! master keys and master salt for SRTP generated during handshake */
-     unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
-     const char* dtls_srtp_label = "EXTRACTOR-dtls_srtp";
-     dtls_srtp_keys dtls_srtp_keying;
-     const mbedtls_ssl_srtp_profile default_profiles[] = {
-         MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
-         MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32,
-         MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80,
-         MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
-         MBEDTLS_TLS_SRTP_UNSET
-     };
+    unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
+    const char *dtls_srtp_label = "EXTRACTOR-dtls_srtp";
+    dtls_srtp_keys dtls_srtp_keying;
+    const mbedtls_ssl_srtp_profile default_profiles[] = {
+        MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
+        MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32,
+        MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80,
+        MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
+        MBEDTLS_TLS_SRTP_UNSET
+    };
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
 #if defined(MBEDTLS_SSL_EARLY_DATA)
     int tls13_early_data_enabled = MBEDTLS_SSL_EARLY_DATA_DISABLED;
 #endif
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
+    mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
 #if defined(MBEDTLS_MEMORY_DEBUG)
     size_t current_heap_memory, peak_heap_memory, heap_blocks;
 #endif  /* MBEDTLS_MEMORY_DEBUG */
 #endif  /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
 
 #if defined(MBEDTLS_TEST_HOOKS)
-    test_hooks_init( );
+    test_hooks_init();
 #endif /* MBEDTLS_TEST_HOOKS */
 
     /*
      * Make sure memory references are valid in case we exit early.
      */
-    mbedtls_net_init( &client_fd );
-    mbedtls_net_init( &listen_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    rng_init( &rng );
+    mbedtls_net_init(&client_fd);
+    mbedtls_net_init(&listen_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    rng_init(&rng);
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_pk_init( &pkey );
-    mbedtls_x509_crt_init( &srvcert2 );
-    mbedtls_pk_init( &pkey2 );
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_pk_init(&pkey);
+    mbedtls_x509_crt_init(&srvcert2);
+    mbedtls_pk_init(&pkey2);
 #endif
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-    memset( &ssl_async_keys, 0, sizeof( ssl_async_keys ) );
+    memset(&ssl_async_keys, 0, sizeof(ssl_async_keys));
 #endif
 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
-    mbedtls_dhm_init( &dhm );
+    mbedtls_dhm_init(&dhm);
 #endif
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
+    mbedtls_ssl_cache_init(&cache);
 #endif
 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
-    mbedtls_ssl_ticket_init( &ticket_ctx );
+    mbedtls_ssl_ticket_init(&ticket_ctx);
 #endif
 #if defined(MBEDTLS_SSL_ALPN)
-    memset( (void *) alpn_list, 0, sizeof( alpn_list ) );
+    memset((void *) alpn_list, 0, sizeof(alpn_list));
 #endif
 #if defined(MBEDTLS_SSL_COOKIE_C)
-    mbedtls_ssl_cookie_init( &cookie_ctx );
+    mbedtls_ssl_cookie_init(&cookie_ctx);
 #endif
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
     status = psa_crypto_init();
-    if( status != PSA_SUCCESS )
-    {
-        mbedtls_fprintf( stderr, "Failed to initialize PSA Crypto implementation: %d\n",
-                         (int) status );
+    if (status != PSA_SUCCESS) {
+        mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+                        (int) status);
         ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
         goto exit;
     }
 #endif  /* MBEDTLS_USE_PSA_CRYPTO */
 #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
-    mbedtls_test_enable_insecure_external_rng( );
+    mbedtls_test_enable_insecure_external_rng();
 #endif  /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
 
 #if !defined(_WIN32)
     /* Abort cleanly on SIGTERM and SIGINT */
-    signal( SIGTERM, term_handler );
-    signal( SIGINT, term_handler );
+    signal(SIGTERM, term_handler);
+    signal(SIGINT, term_handler);
 #endif
 
-    if( argc == 0 )
-    {
-    usage:
-        if( ret == 0 )
+    if (argc == 0) {
+usage:
+        if (ret == 0) {
             ret = 1;
+        }
 
-        mbedtls_printf( USAGE1 );
-        mbedtls_printf( USAGE2 );
-        mbedtls_printf( USAGE3 );
-        mbedtls_printf( USAGE4 );
+        mbedtls_printf(USAGE1);
+        mbedtls_printf(USAGE2);
+        mbedtls_printf(USAGE3);
+        mbedtls_printf(USAGE4);
 
         list = mbedtls_ssl_list_ciphersuites();
-        while( *list )
-        {
-            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name( *list ) );
+        while (*list) {
+            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
-            if( !*list )
+            if (!*list) {
                 break;
-            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+            }
+            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
         }
         mbedtls_printf("\n");
@@ -1692,7 +1683,7 @@
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     opt.ecjpake_pw_opaque   = DFL_ECJPAKE_PW_OPAQUE;
 #endif
-    opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
+    opt.force_ciphersuite[0] = DFL_FORCE_CIPHER;
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     opt.tls13_kex_modes     = DFL_TLS1_3_KEX_MODES;
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
@@ -1750,106 +1741,99 @@
     opt.key2_opaque_alg1   = DFL_KEY_OPAQUE_ALG;
     opt.key2_opaque_alg2   = DFL_KEY_OPAQUE_ALG;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "server_port" ) == 0 )
+        if (strcmp(p, "server_port") == 0) {
             opt.server_port = q;
-        else if( strcmp( p, "server_addr" ) == 0 )
+        } else if (strcmp(p, "server_addr") == 0) {
             opt.server_addr = q;
-        else if( strcmp( p, "dtls" ) == 0 )
-        {
-            int t = atoi( q );
-            if( t == 0 )
+        } else if (strcmp(p, "dtls") == 0) {
+            int t = atoi(q);
+            if (t == 0) {
                 opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM;
-            else if( t == 1 )
+            } else if (t == 1) {
                 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "debug_level" ) == 0 )
-        {
-            opt.debug_level = atoi( q );
-            if( opt.debug_level < 0 || opt.debug_level > 65535 )
+            }
+        } else if (strcmp(p, "debug_level") == 0) {
+            opt.debug_level = atoi(q);
+            if (opt.debug_level < 0 || opt.debug_level > 65535) {
                 goto usage;
-        }
-        else if( strcmp( p, "build_version" ) == 0 )
-        {
-            if( strcmp( q, "1" ) == 0 )
-            {
-                mbedtls_printf( "build version: %s (build %d)\n",
-                                MBEDTLS_VERSION_STRING_FULL,
-                                MBEDTLS_VERSION_NUMBER );
+            }
+        } else if (strcmp(p, "build_version") == 0) {
+            if (strcmp(q, "1") == 0) {
+                mbedtls_printf("build version: %s (build %d)\n",
+                               MBEDTLS_VERSION_STRING_FULL,
+                               MBEDTLS_VERSION_NUMBER);
                 goto exit;
             }
-        }
-        else if( strcmp( p, "nbio" ) == 0 )
-        {
-            opt.nbio = atoi( q );
-            if( opt.nbio < 0 || opt.nbio > 2 )
+        } else if (strcmp(p, "nbio") == 0) {
+            opt.nbio = atoi(q);
+            if (opt.nbio < 0 || opt.nbio > 2) {
                 goto usage;
-        }
-        else if( strcmp( p, "event" ) == 0 )
-        {
-            opt.event = atoi( q );
-            if( opt.event < 0 || opt.event > 2 )
+            }
+        } else if (strcmp(p, "event") == 0) {
+            opt.event = atoi(q);
+            if (opt.event < 0 || opt.event > 2) {
                 goto usage;
-        }
-        else if( strcmp( p, "read_timeout" ) == 0 )
-            opt.read_timeout = atoi( q );
-        else if( strcmp( p, "buffer_size" ) == 0 )
-        {
-            opt.buffer_size = atoi( q );
-            if( opt.buffer_size < 1 )
+            }
+        } else if (strcmp(p, "read_timeout") == 0) {
+            opt.read_timeout = atoi(q);
+        } else if (strcmp(p, "buffer_size") == 0) {
+            opt.buffer_size = atoi(q);
+            if (opt.buffer_size < 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "response_size" ) == 0 )
-        {
-            opt.response_size = atoi( q );
-            if( opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_OUT_CONTENT_LEN )
+            }
+        } else if (strcmp(p, "response_size") == 0) {
+            opt.response_size = atoi(q);
+            if (opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_OUT_CONTENT_LEN) {
                 goto usage;
-            if( opt.buffer_size < opt.response_size )
+            }
+            if (opt.buffer_size < opt.response_size) {
                 opt.buffer_size = opt.response_size;
-        }
-        else if( strcmp( p, "ca_file" ) == 0 )
+            }
+        } else if (strcmp(p, "ca_file") == 0) {
             opt.ca_file = q;
-        else if( strcmp( p, "ca_path" ) == 0 )
+        } else if (strcmp(p, "ca_path") == 0) {
             opt.ca_path = q;
-        else if( strcmp( p, "crt_file" ) == 0 )
+        } else if (strcmp(p, "crt_file") == 0) {
             opt.crt_file = q;
-        else if( strcmp( p, "key_file" ) == 0 )
+        } else if (strcmp(p, "key_file") == 0) {
             opt.key_file = q;
-        else if( strcmp( p, "key_pwd" ) == 0 )
+        } else if (strcmp(p, "key_pwd") == 0) {
             opt.key_pwd = q;
+        }
 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-        else if( strcmp( p, "key_opaque" ) == 0 )
-            opt.key_opaque = atoi( q );
+        else if (strcmp(p, "key_opaque") == 0) {
+            opt.key_opaque = atoi(q);
+        }
 #endif
-        else if( strcmp( p, "crt_file2" ) == 0 )
+        else if (strcmp(p, "crt_file2") == 0) {
             opt.crt_file2 = q;
-        else if( strcmp( p, "key_file2" ) == 0 )
+        } else if (strcmp(p, "key_file2") == 0) {
             opt.key_file2 = q;
-        else if( strcmp( p, "key_pwd2" ) == 0 )
+        } else if (strcmp(p, "key_pwd2") == 0) {
             opt.key_pwd2 = q;
-        else if( strcmp( p, "dhm_file" ) == 0 )
+        } else if (strcmp(p, "dhm_file") == 0) {
             opt.dhm_file = q;
+        }
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        else if( strcmp( p, "async_operations" ) == 0 )
+        else if (strcmp(p, "async_operations") == 0) {
             opt.async_operations = q;
-        else if( strcmp( p, "async_private_delay1" ) == 0 )
-            opt.async_private_delay1 = atoi( q );
-        else if( strcmp( p, "async_private_delay2" ) == 0 )
-            opt.async_private_delay2 = atoi( q );
-        else if( strcmp( p, "async_private_error" ) == 0 )
-        {
-            int n = atoi( q );
-            if( n < -SSL_ASYNC_INJECT_ERROR_MAX ||
-                n > SSL_ASYNC_INJECT_ERROR_MAX )
-            {
+        } else if (strcmp(p, "async_private_delay1") == 0) {
+            opt.async_private_delay1 = atoi(q);
+        } else if (strcmp(p, "async_private_delay2") == 0) {
+            opt.async_private_delay2 = atoi(q);
+        } else if (strcmp(p, "async_private_error") == 0) {
+            int n = atoi(q);
+            if (n < -SSL_ASYNC_INJECT_ERROR_MAX ||
+                n > SSL_ASYNC_INJECT_ERROR_MAX) {
                 ret = 2;
                 goto usage;
             }
@@ -1857,89 +1841,82 @@
         }
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-        else if( strcmp( p, "cid" ) == 0 )
-        {
-            opt.cid_enabled = atoi( q );
-            if( opt.cid_enabled != 0 && opt.cid_enabled != 1 )
+        else if (strcmp(p, "cid") == 0) {
+            opt.cid_enabled = atoi(q);
+            if (opt.cid_enabled != 0 && opt.cid_enabled != 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "cid_renego" ) == 0 )
-        {
-            opt.cid_enabled_renego = atoi( q );
-            if( opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1 )
+            }
+        } else if (strcmp(p, "cid_renego") == 0) {
+            opt.cid_enabled_renego = atoi(q);
+            if (opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "cid_val" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "cid_val") == 0) {
             opt.cid_val = q;
-        }
-        else if( strcmp( p, "cid_val_renego" ) == 0 )
-        {
+        } else if (strcmp(p, "cid_val_renego") == 0) {
             opt.cid_val_renego = q;
         }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
-        else if( strcmp( p, "psk" ) == 0 )
+        else if (strcmp(p, "psk") == 0) {
             opt.psk = q;
+        }
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        else if( strcmp( p, "psk_opaque" ) == 0 )
-            opt.psk_opaque = atoi( q );
-        else if( strcmp( p, "psk_list_opaque" ) == 0 )
-            opt.psk_list_opaque = atoi( q );
+        else if (strcmp(p, "psk_opaque") == 0) {
+            opt.psk_opaque = atoi(q);
+        } else if (strcmp(p, "psk_list_opaque") == 0) {
+            opt.psk_list_opaque = atoi(q);
+        }
 #endif
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-        else if( strcmp( p, "ca_callback" ) == 0)
-            opt.ca_callback = atoi( q );
+        else if (strcmp(p, "ca_callback") == 0) {
+            opt.ca_callback = atoi(q);
+        }
 #endif
-        else if( strcmp( p, "psk_identity" ) == 0 )
+        else if (strcmp(p, "psk_identity") == 0) {
             opt.psk_identity = q;
-        else if( strcmp( p, "psk_list" ) == 0 )
+        } else if (strcmp(p, "psk_list") == 0) {
             opt.psk_list = q;
-        else if( strcmp( p, "ecjpake_pw" ) == 0 )
+        } else if (strcmp(p, "ecjpake_pw") == 0) {
             opt.ecjpake_pw = q;
+        }
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        else if( strcmp( p, "ecjpake_pw_opaque" ) == 0 )
-            opt.ecjpake_pw_opaque = atoi( q );
+        else if (strcmp(p, "ecjpake_pw_opaque") == 0) {
+            opt.ecjpake_pw_opaque = atoi(q);
+        }
 #endif
-        else if( strcmp( p, "force_ciphersuite" ) == 0 )
-        {
-            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+        else if (strcmp(p, "force_ciphersuite") == 0) {
+            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q);
 
-            if( opt.force_ciphersuite[0] == 0 )
-            {
+            if (opt.force_ciphersuite[0] == 0) {
                 ret = 2;
                 goto usage;
             }
             opt.force_ciphersuite[1] = 0;
-        }
-        else if( strcmp( p, "curves" ) == 0 )
+        } else if (strcmp(p, "curves") == 0) {
             opt.curves = q;
+        }
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-        else if( strcmp( p, "sig_algs" ) == 0 )
+        else if (strcmp(p, "sig_algs") == 0) {
             opt.sig_algs = q;
+        }
 #endif
 #if defined(MBEDTLS_SSL_EARLY_DATA)
-        else if( strcmp( p, "max_early_data_size" ) == 0 )
-        {
-            long long value = atoll( q );
+        else if (strcmp(p, "max_early_data_size") == 0) {
+            long long value = atoll(q);
             tls13_early_data_enabled =
                 value >= 0 ? MBEDTLS_SSL_EARLY_DATA_ENABLED :
-                             MBEDTLS_SSL_EARLY_DATA_DISABLED;
-            if( tls13_early_data_enabled )
-            {
-                opt.max_early_data_size = atoi( q );
+                MBEDTLS_SSL_EARLY_DATA_DISABLED;
+            if (tls13_early_data_enabled) {
+                opt.max_early_data_size = atoi(q);
             }
         }
 #endif /* MBEDTLS_SSL_EARLY_DATA */
-        else if( strcmp( p, "renegotiation" ) == 0 )
-        {
-            opt.renegotiation = (atoi( q )) ?
-                MBEDTLS_SSL_RENEGOTIATION_ENABLED :
-                MBEDTLS_SSL_RENEGOTIATION_DISABLED;
-        }
-        else if( strcmp( p, "allow_legacy" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        else if (strcmp(p, "renegotiation") == 0) {
+            opt.renegotiation = (atoi(q)) ?
+                                MBEDTLS_SSL_RENEGOTIATION_ENABLED :
+                                MBEDTLS_SSL_RENEGOTIATION_DISABLED;
+        } else if (strcmp(p, "allow_legacy") == 0) {
+            switch (atoi(q)) {
                 case -1:
                     opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE;
                     break;
@@ -1951,49 +1928,45 @@
                     break;
                 default: goto usage;
             }
-        }
-        else if( strcmp( p, "renegotiate" ) == 0 )
-        {
-            opt.renegotiate = atoi( q );
-            if( opt.renegotiate < 0 || opt.renegotiate > 1 )
+        } else if (strcmp(p, "renegotiate") == 0) {
+            opt.renegotiate = atoi(q);
+            if (opt.renegotiate < 0 || opt.renegotiate > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "renego_delay" ) == 0 )
-        {
-            opt.renego_delay = atoi( q );
-        }
-        else if( strcmp( p, "renego_period" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "renego_delay") == 0) {
+            opt.renego_delay = atoi(q);
+        } else if (strcmp(p, "renego_period") == 0) {
 #if defined(_MSC_VER)
-            opt.renego_period = _strtoui64( q, NULL, 10 );
+            opt.renego_period = _strtoui64(q, NULL, 10);
 #else
-            if( sscanf( q, "%" SCNu64, &opt.renego_period ) != 1 )
+            if (sscanf(q, "%" SCNu64, &opt.renego_period) != 1) {
                 goto usage;
+            }
 #endif /* _MSC_VER */
-            if( opt.renego_period < 2 )
+            if (opt.renego_period < 2) {
                 goto usage;
-        }
-        else if( strcmp( p, "exchanges" ) == 0 )
-        {
-            opt.exchanges = atoi( q );
-            if( opt.exchanges < 0 )
+            }
+        } else if (strcmp(p, "exchanges") == 0) {
+            opt.exchanges = atoi(q);
+            if (opt.exchanges < 0) {
                 goto usage;
+            }
         }
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-        else if( strcmp( p, "tls13_kex_modes" ) == 0 )
-        {
-            if( strcmp( q, "psk" ) == 0 )
+        else if (strcmp(p, "tls13_kex_modes") == 0) {
+            if (strcmp(q, "psk") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK;
-            else if( strcmp(q, "psk_ephemeral" ) == 0 )
+            } else if (strcmp(q, "psk_ephemeral") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL;
-            else if( strcmp(q, "ephemeral" ) == 0 )
+            } else if (strcmp(q, "ephemeral") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL;
-            else if( strcmp(q, "ephemeral_all" ) == 0 )
+            } else if (strcmp(q, "ephemeral_all") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ALL;
-            else if( strcmp( q, "psk_all" ) == 0 )
+            } else if (strcmp(q, "psk_all") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL;
-            else if( strcmp( q, "all" ) == 0 )
+            } else if (strcmp(q, "all") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL;
+            }
             /* The purpose of `psk_or_ephemeral` is to improve test coverage. That
              * is not recommended in practice.
              * `psk_or_ephemeral` exists in theory, we need this mode to test if
@@ -2001,115 +1974,100 @@
              * should always perform `ephemeral` handshake. `psk` or `psk_ephemeral`
              * is not expected.
              */
-            else if( strcmp( q, "psk_or_ephemeral" ) == 0 )
+            else if (strcmp(q, "psk_or_ephemeral") == 0) {
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK |
-                                      MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL ;
-            else goto usage;
+                                      MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL;
+            } else {
+                goto usage;
+            }
         }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
-        else if( strcmp( p, "min_version" ) == 0 )
-        {
-            if( strcmp( q, "tls12" ) == 0 ||
-                     strcmp( q, "dtls12" ) == 0 )
+        else if (strcmp(p, "min_version") == 0) {
+            if (strcmp(q, "tls12") == 0 ||
+                strcmp(q, "dtls12") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
+            }
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-            else if( strcmp( q, "tls13" ) == 0 )
+            else if (strcmp(q, "tls13") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3;
+            }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-            else
+            else {
                 goto usage;
-        }
-        else if( strcmp( p, "max_version" ) == 0 )
-        {
-            if( strcmp( q, "tls12" ) == 0 ||
-                     strcmp( q, "dtls12" ) == 0 )
+            }
+        } else if (strcmp(p, "max_version") == 0) {
+            if (strcmp(q, "tls12") == 0 ||
+                strcmp(q, "dtls12") == 0) {
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
+            }
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-            else if( strcmp( q, "tls13" ) == 0 )
+            else if (strcmp(q, "tls13") == 0) {
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3;
+            }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-            else
+            else {
                 goto usage;
-        }
-        else if( strcmp( p, "allow_sha1" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+            }
+        } else if (strcmp(p, "allow_sha1") == 0) {
+            switch (atoi(q)) {
                 case 0:     opt.allow_sha1 = 0;   break;
                 case 1:     opt.allow_sha1 = 1;    break;
                 default:    goto usage;
             }
-        }
-        else if( strcmp( p, "force_version" ) == 0 )
-        {
-            if( strcmp( q, "tls12" ) == 0 )
-            {
+        } else if (strcmp(p, "force_version") == 0) {
+            if (strcmp(q, "tls12") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
-            }
-            else if( strcmp( q, "dtls12" ) == 0 )
-            {
+            } else if (strcmp(q, "dtls12") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
                 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
             }
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-            else if( strcmp( q, "tls13" ) == 0 )
-            {
+            else if (strcmp(q, "tls13") == 0) {
                 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3;
                 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3;
             }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-            else
+            else {
                 goto usage;
-        }
-        else if( strcmp( p, "auth_mode" ) == 0 )
-        {
-            if( ( opt.auth_mode = get_auth_mode( q ) ) < 0 )
+            }
+        } else if (strcmp(p, "auth_mode") == 0) {
+            if ((opt.auth_mode = get_auth_mode(q)) < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "cert_req_ca_list" ) == 0 )
-        {
-            opt.cert_req_ca_list = atoi( q );
-            if( opt.cert_req_ca_list < 0 || opt.cert_req_ca_list > 3 )
+            }
+        } else if (strcmp(p, "cert_req_ca_list") == 0) {
+            opt.cert_req_ca_list = atoi(q);
+            if (opt.cert_req_ca_list < 0 || opt.cert_req_ca_list > 3) {
                 goto usage;
-            if( opt.cert_req_ca_list > 1 )
-            {
+            }
+            if (opt.cert_req_ca_list > 1) {
                 opt.cert_req_dn_hint = opt.cert_req_ca_list;
                 opt.cert_req_ca_list = MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED;
             }
-        }
-        else if( strcmp( p, "max_frag_len" ) == 0 )
-        {
-            if( strcmp( q, "512" ) == 0 )
+        } else if (strcmp(p, "max_frag_len") == 0) {
+            if (strcmp(q, "512") == 0) {
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
-            else if( strcmp( q, "1024" ) == 0 )
+            } else if (strcmp(q, "1024") == 0) {
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024;
-            else if( strcmp( q, "2048" ) == 0 )
+            } else if (strcmp(q, "2048") == 0) {
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048;
-            else if( strcmp( q, "4096" ) == 0 )
+            } else if (strcmp(q, "4096") == 0) {
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "alpn" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "alpn") == 0) {
             opt.alpn_string = q;
-        }
-        else if( strcmp( p, "trunc_hmac" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "trunc_hmac") == 0) {
+            switch (atoi(q)) {
                 case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break;
                 case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break;
                 default: goto usage;
             }
-        }
-        else if( strcmp( p, "extended_ms" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "extended_ms") == 0) {
+            switch (atoi(q)) {
                 case 0:
                     opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED;
                     break;
@@ -2118,190 +2076,152 @@
                     break;
                 default: goto usage;
             }
-        }
-        else if( strcmp( p, "etm" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "etm") == 0) {
+            switch (atoi(q)) {
                 case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break;
                 case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break;
                 default: goto usage;
             }
-        }
-        else if( strcmp( p, "tickets" ) == 0 )
-        {
-            opt.tickets = atoi( q );
-            if( opt.tickets < 0 )
+        } else if (strcmp(p, "tickets") == 0) {
+            opt.tickets = atoi(q);
+            if (opt.tickets < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "dummy_ticket" ) == 0 )
-        {
-            opt.dummy_ticket = atoi( q );
-            if( opt.dummy_ticket < 0 )
+            }
+        } else if (strcmp(p, "dummy_ticket") == 0) {
+            opt.dummy_ticket = atoi(q);
+            if (opt.dummy_ticket < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "ticket_rotate" ) == 0 )
-        {
-            opt.ticket_rotate = atoi( q );
-            if( opt.ticket_rotate < 0 || opt.ticket_rotate > 1 )
+            }
+        } else if (strcmp(p, "ticket_rotate") == 0) {
+            opt.ticket_rotate = atoi(q);
+            if (opt.ticket_rotate < 0 || opt.ticket_rotate > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "ticket_timeout" ) == 0 )
-        {
-            opt.ticket_timeout = atoi( q );
-            if( opt.ticket_timeout < 0 )
+            }
+        } else if (strcmp(p, "ticket_timeout") == 0) {
+            opt.ticket_timeout = atoi(q);
+            if (opt.ticket_timeout < 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "ticket_aead" ) == 0 )
-        {
-            const mbedtls_cipher_info_t *ci = mbedtls_cipher_info_from_string( q );
+            }
+        } else if (strcmp(p, "ticket_aead") == 0) {
+            const mbedtls_cipher_info_t *ci = mbedtls_cipher_info_from_string(q);
 
-            if( ci == NULL )
+            if (ci == NULL) {
                 goto usage;
-            opt.ticket_aead = mbedtls_cipher_info_get_type( ci );
-        }
-        else if( strcmp( p, "cache_max" ) == 0 )
-        {
-            opt.cache_max = atoi( q );
-            if( opt.cache_max < 0 )
-                goto usage;
-        }
-#if defined(MBEDTLS_HAVE_TIME)
-        else if( strcmp( p, "cache_timeout" ) == 0 )
-        {
-            opt.cache_timeout = atoi( q );
-            if( opt.cache_timeout < 0 )
-                goto usage;
-        }
-#endif
-        else if( strcmp( p, "cookies" ) == 0 )
-        {
-            opt.cookies = atoi( q );
-            if( opt.cookies < -1 || opt.cookies > 1)
-                goto usage;
-        }
-        else if( strcmp( p, "anti_replay" ) == 0 )
-        {
-            opt.anti_replay = atoi( q );
-            if( opt.anti_replay < 0 || opt.anti_replay > 1)
-                goto usage;
-        }
-        else if( strcmp( p, "badmac_limit" ) == 0 )
-        {
-            opt.badmac_limit = atoi( q );
-            if( opt.badmac_limit < 0 )
-                goto usage;
-        }
-        else if( strcmp( p, "hs_timeout" ) == 0 )
-        {
-            if( ( p = strchr( q, '-' ) ) == NULL )
-                goto usage;
-            *p++ = '\0';
-            opt.hs_to_min = atoi( q );
-            opt.hs_to_max = atoi( p );
-            if( opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min )
-                goto usage;
-        }
-        else if( strcmp( p, "mtu" ) == 0 )
-        {
-            opt.dtls_mtu = atoi( q );
-            if( opt.dtls_mtu < 0 )
-                goto usage;
-        }
-        else if( strcmp( p, "dgram_packing" ) == 0 )
-        {
-            opt.dgram_packing = atoi( q );
-            if( opt.dgram_packing != 0 &&
-                opt.dgram_packing != 1 )
-            {
+            }
+            opt.ticket_aead = mbedtls_cipher_info_get_type(ci);
+        } else if (strcmp(p, "cache_max") == 0) {
+            opt.cache_max = atoi(q);
+            if (opt.cache_max < 0) {
                 goto usage;
             }
         }
-        else if( strcmp( p, "sni" ) == 0 )
-        {
+#if defined(MBEDTLS_HAVE_TIME)
+        else if (strcmp(p, "cache_timeout") == 0) {
+            opt.cache_timeout = atoi(q);
+            if (opt.cache_timeout < 0) {
+                goto usage;
+            }
+        }
+#endif
+        else if (strcmp(p, "cookies") == 0) {
+            opt.cookies = atoi(q);
+            if (opt.cookies < -1 || opt.cookies > 1) {
+                goto usage;
+            }
+        } else if (strcmp(p, "anti_replay") == 0) {
+            opt.anti_replay = atoi(q);
+            if (opt.anti_replay < 0 || opt.anti_replay > 1) {
+                goto usage;
+            }
+        } else if (strcmp(p, "badmac_limit") == 0) {
+            opt.badmac_limit = atoi(q);
+            if (opt.badmac_limit < 0) {
+                goto usage;
+            }
+        } else if (strcmp(p, "hs_timeout") == 0) {
+            if ((p = strchr(q, '-')) == NULL) {
+                goto usage;
+            }
+            *p++ = '\0';
+            opt.hs_to_min = atoi(q);
+            opt.hs_to_max = atoi(p);
+            if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min) {
+                goto usage;
+            }
+        } else if (strcmp(p, "mtu") == 0) {
+            opt.dtls_mtu = atoi(q);
+            if (opt.dtls_mtu < 0) {
+                goto usage;
+            }
+        } else if (strcmp(p, "dgram_packing") == 0) {
+            opt.dgram_packing = atoi(q);
+            if (opt.dgram_packing != 0 &&
+                opt.dgram_packing != 1) {
+                goto usage;
+            }
+        } else if (strcmp(p, "sni") == 0) {
             opt.sni = q;
-        }
-        else if( strcmp( p, "query_config" ) == 0 )
-        {
+        } else if (strcmp(p, "query_config") == 0) {
             opt.query_config_mode = 1;
-            query_config_ret = query_config( q );
+            query_config_ret = query_config(q);
             goto exit;
-        }
-        else if( strcmp( p, "serialize") == 0 )
-        {
-            opt.serialize = atoi( q );
-            if( opt.serialize < 0 || opt.serialize > 2)
+        } else if (strcmp(p, "serialize") == 0) {
+            opt.serialize = atoi(q);
+            if (opt.serialize < 0 || opt.serialize > 2) {
                 goto usage;
-        }
-        else if( strcmp( p, "context_file") == 0 )
-        {
+            }
+        } else if (strcmp(p, "context_file") == 0) {
             opt.context_file = q;
-        }
-        else if( strcmp( p, "eap_tls" ) == 0 )
-        {
-            opt.eap_tls = atoi( q );
-            if( opt.eap_tls < 0 || opt.eap_tls > 1 )
+        } else if (strcmp(p, "eap_tls") == 0) {
+            opt.eap_tls = atoi(q);
+            if (opt.eap_tls < 0 || opt.eap_tls > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "reproducible" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "reproducible") == 0) {
             opt.reproducible = 1;
-        }
-        else if( strcmp( p, "nss_keylog" ) == 0 )
-        {
-            opt.nss_keylog = atoi( q );
-            if( opt.nss_keylog < 0 || opt.nss_keylog > 1 )
+        } else if (strcmp(p, "nss_keylog") == 0) {
+            opt.nss_keylog = atoi(q);
+            if (opt.nss_keylog < 0 || opt.nss_keylog > 1) {
                 goto usage;
-        }
-        else if( strcmp( p, "nss_keylog_file" ) == 0 )
-        {
+            }
+        } else if (strcmp(p, "nss_keylog_file") == 0) {
             opt.nss_keylog_file = q;
-        }
-        else if( strcmp( p, "use_srtp" ) == 0 )
-        {
-            opt.use_srtp = atoi ( q );
-        }
-        else if( strcmp( p, "srtp_force_profile" ) == 0 )
-        {
-            opt.force_srtp_profile = atoi( q );
-        }
-        else if( strcmp( p, "support_mki" ) == 0 )
-        {
-            opt.support_mki = atoi( q );
-        }
-        else if( strcmp( p, "key_opaque_algs" ) == 0 )
-        {
-            if( key_opaque_alg_parse( q, &opt.key1_opaque_alg1,
-                                         &opt.key1_opaque_alg2 ) != 0 )
+        } else if (strcmp(p, "use_srtp") == 0) {
+            opt.use_srtp = atoi(q);
+        } else if (strcmp(p, "srtp_force_profile") == 0) {
+            opt.force_srtp_profile = atoi(q);
+        } else if (strcmp(p, "support_mki") == 0) {
+            opt.support_mki = atoi(q);
+        } else if (strcmp(p, "key_opaque_algs") == 0) {
+            if (key_opaque_alg_parse(q, &opt.key1_opaque_alg1,
+                                     &opt.key1_opaque_alg2) != 0) {
                 goto usage;
-        }
-        else if( strcmp( p, "key_opaque_algs2" ) == 0 )
-        {
-            if( key_opaque_alg_parse( q, &opt.key2_opaque_alg1,
-                                         &opt.key2_opaque_alg2 ) != 0 )
+            }
+        } else if (strcmp(p, "key_opaque_algs2") == 0) {
+            if (key_opaque_alg_parse(q, &opt.key2_opaque_alg1,
+                                     &opt.key2_opaque_alg2) != 0) {
                 goto usage;
-        }
-        else
+            }
+        } else {
             goto usage;
+        }
     }
 
-    if( opt.nss_keylog != 0 && opt.eap_tls != 0 )
-    {
-        mbedtls_printf( "Error: eap_tls and nss_keylog options cannot be used together.\n" );
+    if (opt.nss_keylog != 0 && opt.eap_tls != 0) {
+        mbedtls_printf("Error: eap_tls and nss_keylog options cannot be used together.\n");
         goto usage;
     }
 
     /* Event-driven IO is incompatible with the above custom
      * receive and send functions, as the polling builds on
      * refers to the underlying net_context. */
-    if( opt.event == 1 && opt.nbio != 1 )
-    {
-        mbedtls_printf( "Warning: event-driven IO mandates nbio=1 - overwrite\n" );
+    if (opt.event == 1 && opt.nbio != 1) {
+        mbedtls_printf("Warning: event-driven IO mandates nbio=1 - overwrite\n");
         opt.nbio = 1;
     }
 
 #if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( opt.debug_level );
+    mbedtls_debug_set_threshold(opt.debug_level);
 #endif
 
     /* buf will alternatively contain the input read from the client and the
@@ -2309,128 +2229,115 @@
     size_t buf_content_size = opt.buffer_size;
     /* The default response contains the ciphersuite name. Leave enough
      * room for that plus some margin. */
-    if( buf_content_size < strlen( HTTP_RESPONSE ) + 80 )
-    {
-        buf_content_size = strlen( HTTP_RESPONSE ) + 80;
+    if (buf_content_size < strlen(HTTP_RESPONSE) + 80) {
+        buf_content_size = strlen(HTTP_RESPONSE) + 80;
     }
-    if( opt.response_size != DFL_RESPONSE_SIZE &&
-        buf_content_size < (size_t) opt.response_size )
-    {
+    if (opt.response_size != DFL_RESPONSE_SIZE &&
+        buf_content_size < (size_t) opt.response_size) {
         buf_content_size = opt.response_size;
     }
-    buf = mbedtls_calloc( 1, buf_content_size + 1 );
-    if( buf == NULL )
-    {
-        mbedtls_printf( "Could not allocate %lu bytes\n",
-                        (unsigned long) buf_content_size + 1 );
+    buf = mbedtls_calloc(1, buf_content_size + 1);
+    if (buf == NULL) {
+        mbedtls_printf("Could not allocate %lu bytes\n",
+                       (unsigned long) buf_content_size + 1);
         ret = 3;
         goto exit;
     }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
-        if( strlen( opt.psk ) == 0 )
-        {
-            mbedtls_printf( "psk_opaque set but no psk to be imported specified.\n" );
+    if (opt.psk_opaque != 0) {
+        if (strlen(opt.psk) == 0) {
+            mbedtls_printf("psk_opaque set but no psk to be imported specified.\n");
             ret = 2;
             goto usage;
         }
 
-        if( opt.force_ciphersuite[0] <= 0 )
-        {
-            mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+        if (opt.force_ciphersuite[0] <= 0) {
+            mbedtls_printf(
+                "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
             ret = 2;
             goto usage;
         }
     }
 
-    if( opt.psk_list_opaque != 0 )
-    {
-        if( opt.psk_list == NULL )
-        {
-            mbedtls_printf( "psk_slot set but no psk to be imported specified.\n" );
+    if (opt.psk_list_opaque != 0) {
+        if (opt.psk_list == NULL) {
+            mbedtls_printf("psk_slot set but no psk to be imported specified.\n");
             ret = 2;
             goto usage;
         }
 
-        if( opt.force_ciphersuite[0] <= 0 )
-        {
-            mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+        if (opt.force_ciphersuite[0] <= 0) {
+            mbedtls_printf(
+                "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
             ret = 2;
             goto usage;
         }
     }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    if( opt.force_ciphersuite[0] > 0 )
-    {
+    if (opt.force_ciphersuite[0] > 0) {
         const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
         ciphersuite_info =
-            mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
+            mbedtls_ssl_ciphersuite_from_id(opt.force_ciphersuite[0]);
 
-        if( opt.max_version != -1 &&
-            ciphersuite_info->min_tls_version > opt.max_version )
-        {
-            mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+        if (opt.max_version != -1 &&
+            ciphersuite_info->min_tls_version > opt.max_version) {
+            mbedtls_printf("forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
-        if( opt.min_version != -1 &&
-            ciphersuite_info->max_tls_version < opt.min_version )
-        {
-            mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+        if (opt.min_version != -1 &&
+            ciphersuite_info->max_tls_version < opt.min_version) {
+            mbedtls_printf("forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
 
         /* If we select a version that's not supported by
          * this suite, then there will be no common ciphersuite... */
-        if( opt.max_version == -1 ||
-            opt.max_version > ciphersuite_info->max_tls_version )
-        {
+        if (opt.max_version == -1 ||
+            opt.max_version > ciphersuite_info->max_tls_version) {
             opt.max_version = ciphersuite_info->max_tls_version;
         }
-        if( opt.min_version < ciphersuite_info->min_tls_version )
-        {
+        if (opt.min_version < ciphersuite_info->min_tls_version) {
             opt.min_version = ciphersuite_info->min_tls_version;
         }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
-        if( opt.psk_opaque != 0 || opt.psk_list_opaque != 0 )
-        {
+        if (opt.psk_opaque != 0 || opt.psk_list_opaque != 0) {
             /* Determine KDF algorithm the opaque PSK will be used in. */
 #if defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-            if( ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
+            if (ciphersuite_info->mac == MBEDTLS_MD_SHA384) {
                 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384);
-            else
+            } else
 #endif /* MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA */
-                alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
+            alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
         }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
     }
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( mbedtls_test_unhexify( cid, sizeof( cid ),
-                               opt.cid_val, &cid_len ) != 0 )
-    {
-        mbedtls_printf( "CID not valid hex\n" );
+    if (mbedtls_test_unhexify(cid, sizeof(cid),
+                              opt.cid_val, &cid_len) != 0) {
+        mbedtls_printf("CID not valid hex\n");
         goto exit;
     }
 
     /* Keep CID settings for renegotiation unless
      * specified otherwise. */
-    if( opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO )
+    if (opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO) {
         opt.cid_enabled_renego = opt.cid_enabled;
-    if( opt.cid_val_renego == DFL_CID_VALUE_RENEGO )
+    }
+    if (opt.cid_val_renego == DFL_CID_VALUE_RENEGO) {
         opt.cid_val_renego = opt.cid_val;
+    }
 
-    if( mbedtls_test_unhexify( cid_renego, sizeof( cid_renego ),
-                               opt.cid_val_renego, &cid_renego_len ) != 0 )
-    {
-        mbedtls_printf( "CID not valid hex\n" );
+    if (mbedtls_test_unhexify(cid_renego, sizeof(cid_renego),
+                              opt.cid_val_renego, &cid_renego_len) != 0) {
+        mbedtls_printf("CID not valid hex\n");
         goto exit;
     }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
@@ -2439,71 +2346,60 @@
     /*
      * Unhexify the pre-shared key and parse the list if any given
      */
-    if( mbedtls_test_unhexify( psk, sizeof( psk ),
-                               opt.psk, &psk_len ) != 0 )
-    {
-        mbedtls_printf( "pre-shared key not valid hex\n" );
+    if (mbedtls_test_unhexify(psk, sizeof(psk),
+                              opt.psk, &psk_len) != 0) {
+        mbedtls_printf("pre-shared key not valid hex\n");
         goto exit;
     }
 
-    if( opt.psk_list != NULL )
-    {
-        if( ( psk_info = psk_parse( opt.psk_list ) ) == NULL )
-        {
-            mbedtls_printf( "psk_list invalid" );
+    if (opt.psk_list != NULL) {
+        if ((psk_info = psk_parse(opt.psk_list)) == NULL) {
+            mbedtls_printf("psk_list invalid");
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
 
 #if defined(MBEDTLS_ECP_C)
-    if( opt.curves != NULL )
-    {
+    if (opt.curves != NULL) {
         p = (char *) opt.curves;
         i = 0;
 
-        if( strcmp( p, "none" ) == 0 )
-        {
+        if (strcmp(p, "none") == 0) {
             group_list[0] = 0;
-        }
-        else if( strcmp( p, "default" ) != 0 )
-        {
+        } else if (strcmp(p, "default") != 0) {
             /* Leave room for a final NULL in curve list */
-            while( i < CURVE_LIST_SIZE - 1 && *p != '\0' )
-            {
+            while (i < CURVE_LIST_SIZE - 1 && *p != '\0') {
                 q = p;
 
                 /* Terminate the current string */
-                while( *p != ',' && *p != '\0' )
+                while (*p != ',' && *p != '\0') {
                     p++;
-                if( *p == ',' )
-                    *p++ = '\0';
-
-                if( ( curve_cur = mbedtls_ecp_curve_info_from_name( q ) ) != NULL )
-                {
-                    group_list[i++] = curve_cur->tls_id;
                 }
-                else
-                {
-                    mbedtls_printf( "unknown curve %s\n", q );
-                    mbedtls_printf( "supported curves: " );
-                    for( curve_cur = mbedtls_ecp_curve_list();
+                if (*p == ',') {
+                    *p++ = '\0';
+                }
+
+                if ((curve_cur = mbedtls_ecp_curve_info_from_name(q)) != NULL) {
+                    group_list[i++] = curve_cur->tls_id;
+                } else {
+                    mbedtls_printf("unknown curve %s\n", q);
+                    mbedtls_printf("supported curves: ");
+                    for (curve_cur = mbedtls_ecp_curve_list();
                          curve_cur->grp_id != MBEDTLS_ECP_DP_NONE;
-                         curve_cur++ )
-                    {
-                        mbedtls_printf( "%s ", curve_cur->name );
+                         curve_cur++) {
+                        mbedtls_printf("%s ", curve_cur->name);
                     }
-                    mbedtls_printf( "\n" );
+                    mbedtls_printf("\n");
                     goto exit;
                 }
             }
 
-            mbedtls_printf("Number of curves: %d\n", i );
+            mbedtls_printf("Number of curves: %d\n", i);
 
-            if( i == CURVE_LIST_SIZE - 1 && *p != '\0' )
-            {
-                mbedtls_printf( "curves list too long, maximum %d",
-                                CURVE_LIST_SIZE - 1  );
+            if (i == CURVE_LIST_SIZE - 1 && *p != '\0') {
+                mbedtls_printf("curves list too long, maximum %d",
+                               CURVE_LIST_SIZE - 1);
                 goto exit;
             }
 
@@ -2513,99 +2409,65 @@
 #endif /* MBEDTLS_ECP_C */
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    if( opt.sig_algs != NULL )
-    {
+    if (opt.sig_algs != NULL) {
         p = (char *) opt.sig_algs;
         i = 0;
 
         /* Leave room for a final MBEDTLS_TLS1_3_SIG_NONE in signature algorithm list (sig_alg_list). */
-        while( i < SIG_ALG_LIST_SIZE - 1 && *p != '\0' )
-        {
+        while (i < SIG_ALG_LIST_SIZE - 1 && *p != '\0') {
             q = p;
 
             /* Terminate the current string */
-            while( *p != ',' && *p != '\0' )
+            while (*p != ',' && *p != '\0') {
                 p++;
-            if( *p == ',' )
+            }
+            if (*p == ',') {
                 *p++ = '\0';
+            }
 
-            if( strcmp( q, "rsa_pkcs1_sha256" ) == 0 )
-            {
+            if (strcmp(q, "rsa_pkcs1_sha256") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA256;
-            }
-            else if( strcmp( q, "rsa_pkcs1_sha384" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pkcs1_sha384") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA384;
-            }
-            else if( strcmp( q, "rsa_pkcs1_sha512" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pkcs1_sha512") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA512;
-            }
-            else if( strcmp( q, "ecdsa_secp256r1_sha256" ) == 0 )
-            {
+            } else if (strcmp(q, "ecdsa_secp256r1_sha256") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256;
-            }
-            else if( strcmp( q, "ecdsa_secp384r1_sha384" ) == 0 )
-            {
+            } else if (strcmp(q, "ecdsa_secp384r1_sha384") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384;
-            }
-            else if( strcmp( q, "ecdsa_secp521r1_sha512" ) == 0 )
-            {
+            } else if (strcmp(q, "ecdsa_secp521r1_sha512") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP521R1_SHA512;
-            }
-            else if( strcmp( q, "rsa_pss_rsae_sha256" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_rsae_sha256") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256;
-            }
-            else if( strcmp( q, "rsa_pss_rsae_sha384" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_rsae_sha384") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA384;
-            }
-            else if( strcmp( q, "rsa_pss_rsae_sha512" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_rsae_sha512") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA512;
-            }
-            else if( strcmp( q, "ed25519" ) == 0 )
-            {
+            } else if (strcmp(q, "ed25519") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED25519;
-            }
-            else if( strcmp( q, "ed448" ) == 0 )
-            {
+            } else if (strcmp(q, "ed448") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED448;
-            }
-            else if( strcmp( q, "rsa_pss_pss_sha256" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_pss_sha256") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA256;
-            }
-            else if( strcmp( q, "rsa_pss_pss_sha384" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_pss_sha384") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA384;
-            }
-            else if( strcmp( q, "rsa_pss_pss_sha512" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pss_pss_sha512") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA512;
-            }
-            else if( strcmp( q, "rsa_pkcs1_sha1" ) == 0 )
-            {
+            } else if (strcmp(q, "rsa_pkcs1_sha1") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA1;
-            }
-            else if( strcmp( q, "ecdsa_sha1" ) == 0 )
-            {
+            } else if (strcmp(q, "ecdsa_sha1") == 0) {
                 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SHA1;
-            }
-            else
-            {
+            } else {
                 ret = -1;
-                mbedtls_printf( "unknown signature algorithm \"%s\"\n", q );
+                mbedtls_printf("unknown signature algorithm \"%s\"\n", q);
                 mbedtls_print_supported_sig_algs();
                 goto exit;
             }
         }
 
-        if( i == ( SIG_ALG_LIST_SIZE - 1 ) && *p != '\0' )
-        {
-            mbedtls_printf( "signature algorithm list too long, maximum %d",
-                            SIG_ALG_LIST_SIZE - 1 );
+        if (i == (SIG_ALG_LIST_SIZE - 1) && *p != '\0') {
+            mbedtls_printf("signature algorithm list too long, maximum %d",
+                           SIG_ALG_LIST_SIZE - 1);
             goto exit;
         }
 
@@ -2614,193 +2476,177 @@
 #endif
 
 #if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-    {
+    if (opt.alpn_string != NULL) {
         p = (char *) opt.alpn_string;
         i = 0;
 
         /* Leave room for a final NULL in alpn_list */
-        while( i < ALPN_LIST_SIZE - 1 && *p != '\0' )
-        {
+        while (i < ALPN_LIST_SIZE - 1 && *p != '\0') {
             alpn_list[i++] = p;
 
             /* Terminate the current string and move on to next one */
-            while( *p != ',' && *p != '\0' )
+            while (*p != ',' && *p != '\0') {
                 p++;
-            if( *p == ',' )
+            }
+            if (*p == ',') {
                 *p++ = '\0';
+            }
         }
     }
 #endif /* MBEDTLS_SSL_ALPN */
 
-    mbedtls_printf( "build version: %s (build %d)\n",
-                    MBEDTLS_VERSION_STRING_FULL, MBEDTLS_VERSION_NUMBER );
+    mbedtls_printf("build version: %s (build %d)\n",
+                   MBEDTLS_VERSION_STRING_FULL, MBEDTLS_VERSION_NUMBER);
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    ret = rng_seed( &rng, opt.reproducible, pers );
-    if( ret != 0 )
+    ret = rng_seed(&rng, opt.reproducible, pers);
+    if (ret != 0) {
         goto exit;
-    mbedtls_printf( " ok\n" );
+    }
+    mbedtls_printf(" ok\n");
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
     /*
      * 1.1. Load the trusted CA
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    if( strcmp( opt.ca_path, "none" ) == 0 ||
-        strcmp( opt.ca_file, "none" ) == 0 )
-    {
+    if (strcmp(opt.ca_path, "none") == 0 ||
+        strcmp(opt.ca_file, "none") == 0) {
         ret = 0;
-    }
-    else
+    } else
 #if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.ca_path ) )
-        ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path );
-    else if( strlen( opt.ca_file ) )
-        ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
-    else
+    if (strlen(opt.ca_path)) {
+        ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path);
+    } else if (strlen(opt.ca_file)) {
+        ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file);
+    } else
 #endif
     {
 #if defined(MBEDTLS_PEM_PARSE_C)
-        for( i = 0; mbedtls_test_cas[i] != NULL; i++ )
-        {
-            ret = mbedtls_x509_crt_parse( &cacert,
-                                  (const unsigned char *) mbedtls_test_cas[i],
-                                  mbedtls_test_cas_len[i] );
-            if( ret != 0 )
+        for (i = 0; mbedtls_test_cas[i] != NULL; i++) {
+            ret = mbedtls_x509_crt_parse(&cacert,
+                                         (const unsigned char *) mbedtls_test_cas[i],
+                                         mbedtls_test_cas_len[i]);
+            if (ret != 0) {
                 break;
+            }
         }
 #endif /* MBEDTLS_PEM_PARSE_C */
-        if( ret == 0 )
-        {
-            for( i = 0; mbedtls_test_cas_der[i] != NULL; i++ )
-            {
-                ret = mbedtls_x509_crt_parse_der( &cacert,
-                             (const unsigned char *) mbedtls_test_cas_der[i],
-                             mbedtls_test_cas_der_len[i] );
-                if( ret != 0 )
+        if (ret == 0) {
+            for (i = 0; mbedtls_test_cas_der[i] != NULL; i++) {
+                ret = mbedtls_x509_crt_parse_der(&cacert,
+                                                 (const unsigned char *) mbedtls_test_cas_der[i],
+                                                 mbedtls_test_cas_der_len[i]);
+                if (ret != 0) {
                     break;
+                }
             }
         }
     }
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+    if (ret < 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1.2. Load own certificate and private key
      */
-    mbedtls_printf( "  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the server cert. and key...");
+    fflush(stdout);
 
 #if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.crt_file ) && strcmp( opt.crt_file, "none" ) != 0 )
-    {
+    if (strlen(opt.crt_file) && strcmp(opt.crt_file, "none") != 0) {
         key_cert_init++;
-        if( ( ret = mbedtls_x509_crt_parse_file( &srvcert, opt.crt_file ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_file returned -0x%x\n\n",
-                    (unsigned int) -ret );
+        if ((ret = mbedtls_x509_crt_parse_file(&srvcert, opt.crt_file)) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse_file returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
     }
-    if( strlen( opt.key_file ) && strcmp( opt.key_file, "none" ) != 0 )
-    {
+    if (strlen(opt.key_file) && strcmp(opt.key_file, "none") != 0) {
         key_cert_init++;
-        if( ( ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file,
-                                              opt.key_pwd, rng_get, &rng ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile returned -0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file,
+                                            opt.key_pwd, rng_get, &rng)) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_pk_parse_keyfile returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
     }
-    if( key_cert_init == 1 )
-    {
-        mbedtls_printf( " failed\n  !  crt_file without key_file or vice-versa\n\n" );
+    if (key_cert_init == 1) {
+        mbedtls_printf(" failed\n  !  crt_file without key_file or vice-versa\n\n");
         goto exit;
     }
 
-    if( strlen( opt.crt_file2 ) && strcmp( opt.crt_file2, "none" ) != 0 )
-    {
+    if (strlen(opt.crt_file2) && strcmp(opt.crt_file2, "none") != 0) {
         key_cert_init2++;
-        if( ( ret = mbedtls_x509_crt_parse_file( &srvcert2, opt.crt_file2 ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_file(2) returned -0x%x\n\n",
-                    (unsigned int) -ret );
+        if ((ret = mbedtls_x509_crt_parse_file(&srvcert2, opt.crt_file2)) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse_file(2) returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
     }
-    if( strlen( opt.key_file2 ) && strcmp( opt.key_file2, "none" ) != 0 )
-    {
+    if (strlen(opt.key_file2) && strcmp(opt.key_file2, "none") != 0) {
         key_cert_init2++;
-        if( ( ret = mbedtls_pk_parse_keyfile( &pkey2, opt.key_file2,
-                                              opt.key_pwd2, rng_get, &rng ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile(2) returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_pk_parse_keyfile(&pkey2, opt.key_file2,
+                                            opt.key_pwd2, rng_get, &rng)) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_pk_parse_keyfile(2) returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
     }
-    if( key_cert_init2 == 1 )
-    {
-        mbedtls_printf( " failed\n  !  crt_file2 without key_file2 or vice-versa\n\n" );
+    if (key_cert_init2 == 1) {
+        mbedtls_printf(" failed\n  !  crt_file2 without key_file2 or vice-versa\n\n");
         goto exit;
     }
 #endif
-    if( key_cert_init == 0 &&
-        strcmp( opt.crt_file, "none" ) != 0 &&
-        strcmp( opt.key_file, "none" ) != 0 &&
+    if (key_cert_init == 0 &&
+        strcmp(opt.crt_file, "none") != 0 &&
+        strcmp(opt.key_file, "none") != 0 &&
         key_cert_init2 == 0 &&
-        strcmp( opt.crt_file2, "none" ) != 0 &&
-        strcmp( opt.key_file2, "none" ) != 0 )
-    {
+        strcmp(opt.crt_file2, "none") != 0 &&
+        strcmp(opt.key_file2, "none") != 0) {
 #if defined(MBEDTLS_RSA_C)
-        if( ( ret = mbedtls_x509_crt_parse( &srvcert,
-                                    (const unsigned char *) mbedtls_test_srv_crt_rsa,
-                                    mbedtls_test_srv_crt_rsa_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_x509_crt_parse(&srvcert,
+                                          (const unsigned char *) mbedtls_test_srv_crt_rsa,
+                                          mbedtls_test_srv_crt_rsa_len)) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
-        if( ( ret = mbedtls_pk_parse_key( &pkey,
-                                  (const unsigned char *) mbedtls_test_srv_key_rsa,
-                                  mbedtls_test_srv_key_rsa_len, NULL, 0,
-                                  rng_get, &rng ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_pk_parse_key(&pkey,
+                                        (const unsigned char *) mbedtls_test_srv_key_rsa,
+                                        mbedtls_test_srv_key_rsa_len, NULL, 0,
+                                        rng_get, &rng)) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
         key_cert_init = 2;
 #endif /* MBEDTLS_RSA_C */
 #if defined(MBEDTLS_ECDSA_C)
-        if( ( ret = mbedtls_x509_crt_parse( &srvcert2,
-                                    (const unsigned char *) mbedtls_test_srv_crt_ec,
-                                    mbedtls_test_srv_crt_ec_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  x509_crt_parse2 returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_x509_crt_parse(&srvcert2,
+                                          (const unsigned char *) mbedtls_test_srv_crt_ec,
+                                          mbedtls_test_srv_crt_ec_len)) != 0) {
+            mbedtls_printf(" failed\n  !  x509_crt_parse2 returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
-        if( ( ret = mbedtls_pk_parse_key( &pkey2,
-                                  (const unsigned char *) mbedtls_test_srv_key_ec,
-                                  mbedtls_test_srv_key_ec_len, NULL, 0,
-                                  rng_get, &rng ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  pk_parse_key2 returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_pk_parse_key(&pkey2,
+                                        (const unsigned char *) mbedtls_test_srv_key_ec,
+                                        mbedtls_test_srv_key_ec_len, NULL, 0,
+                                        rng_get, &rng)) != 0) {
+            mbedtls_printf(" failed\n  !  pk_parse_key2 returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
         key_cert_init2 = 2;
@@ -2808,25 +2654,22 @@
     }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.key_opaque != 0 )
-    {
+    if (opt.key_opaque != 0) {
         psa_algorithm_t psa_alg, psa_alg2 = PSA_ALG_NONE;
         psa_key_usage_t psa_usage = 0;
 
-        if( key_opaque_set_alg_usage( opt.key1_opaque_alg1,
-                                      opt.key1_opaque_alg2,
-                                      &psa_alg, &psa_alg2,
-                                      &psa_usage,
-                                      mbedtls_pk_get_type( &pkey ) ) == 0 )
-        {
-            ret = mbedtls_pk_wrap_as_opaque( &pkey, &key_slot,
-                                             psa_alg, psa_usage, psa_alg2 );
+        if (key_opaque_set_alg_usage(opt.key1_opaque_alg1,
+                                     opt.key1_opaque_alg2,
+                                     &psa_alg, &psa_alg2,
+                                     &psa_usage,
+                                     mbedtls_pk_get_type(&pkey)) == 0) {
+            ret = mbedtls_pk_wrap_as_opaque(&pkey, &key_slot,
+                                            psa_alg, psa_usage, psa_alg2);
 
-            if( ret != 0 )
-            {
-                mbedtls_printf( " failed\n  !  "
-                                "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
-                                (unsigned int)  -ret );
+            if (ret != 0) {
+                mbedtls_printf(" failed\n  !  "
+                               "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
+                               (unsigned int)  -ret);
                 goto exit;
             }
         }
@@ -2834,76 +2677,70 @@
         psa_alg = PSA_ALG_NONE; psa_alg2 = PSA_ALG_NONE;
         psa_usage = 0;
 
-        if( key_opaque_set_alg_usage( opt.key2_opaque_alg1,
-                                      opt.key2_opaque_alg2,
-                                      &psa_alg, &psa_alg2,
-                                      &psa_usage,
-                                      mbedtls_pk_get_type( &pkey2 ) ) == 0 )
-        {
-            ret = mbedtls_pk_wrap_as_opaque( &pkey2, &key_slot2,
-                                             psa_alg, psa_usage, psa_alg2 );
+        if (key_opaque_set_alg_usage(opt.key2_opaque_alg1,
+                                     opt.key2_opaque_alg2,
+                                     &psa_alg, &psa_alg2,
+                                     &psa_usage,
+                                     mbedtls_pk_get_type(&pkey2)) == 0) {
+            ret = mbedtls_pk_wrap_as_opaque(&pkey2, &key_slot2,
+                                            psa_alg, psa_usage, psa_alg2);
 
-            if( ret != 0 )
-            {
-                mbedtls_printf( " failed\n  !  "
-                                "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
-                                (unsigned int)  -ret );
+            if (ret != 0) {
+                mbedtls_printf(" failed\n  !  "
+                               "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
+                               (unsigned int)  -ret);
                 goto exit;
             }
         }
     }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    mbedtls_printf( " ok (key types: %s, %s)\n",
-                    key_cert_init ? mbedtls_pk_get_name( &pkey ) : "none",
-                    key_cert_init2 ? mbedtls_pk_get_name( &pkey2 ) : "none" );
+    mbedtls_printf(" ok (key types: %s, %s)\n",
+                   key_cert_init ? mbedtls_pk_get_name(&pkey) : "none",
+                   key_cert_init2 ? mbedtls_pk_get_name(&pkey2) : "none");
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
-    if( opt.dhm_file != NULL )
-    {
-        mbedtls_printf( "  . Loading DHM parameters..." );
-        fflush( stdout );
+    if (opt.dhm_file != NULL) {
+        mbedtls_printf("  . Loading DHM parameters...");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_dhm_parse_dhmfile( &dhm, opt.dhm_file ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_dhm_parse_dhmfile returned -0x%04X\n\n",
-                     (unsigned int) -ret );
+        if ((ret = mbedtls_dhm_parse_dhmfile(&dhm, opt.dhm_file)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_dhm_parse_dhmfile returned -0x%04X\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif
 
 #if defined(SNI_OPTION)
-    if( opt.sni != NULL )
-    {
-        mbedtls_printf( "  . Setting up SNI information..." );
-        fflush( stdout );
+    if (opt.sni != NULL) {
+        mbedtls_printf("  . Setting up SNI information...");
+        fflush(stdout);
 
-        if( ( sni_info = sni_parse( opt.sni ) ) == NULL )
-        {
-            mbedtls_printf( " failed\n" );
+        if ((sni_info = sni_parse(opt.sni)) == NULL) {
+            mbedtls_printf(" failed\n");
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif /* SNI_OPTION */
 
     /*
      * 2. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    opt.transport,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                           MBEDTLS_SSL_IS_SERVER,
+                                           opt.transport,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 
@@ -2911,26 +2748,26 @@
     /* The default algorithms profile disables SHA-1, but our tests still
        rely on it heavily. Hence we allow it here. A real-world server
        should use the default profile unless there is a good reason not to. */
-    if( opt.allow_sha1 > 0 )
-    {
-        crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 );
-        mbedtls_ssl_conf_cert_profile( &conf, &crt_profile_for_test );
-        mbedtls_ssl_conf_sig_algs( &conf, ssl_sig_algs_for_test );
+    if (opt.allow_sha1 > 0) {
+        crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1);
+        mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test);
+        mbedtls_ssl_conf_sig_algs(&conf, ssl_sig_algs_for_test);
     }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
-    if( opt.auth_mode != DFL_AUTH_MODE )
-        mbedtls_ssl_conf_authmode( &conf, opt.auth_mode );
+    if (opt.auth_mode != DFL_AUTH_MODE) {
+        mbedtls_ssl_conf_authmode(&conf, opt.auth_mode);
+    }
 
-    if( opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST )
-        mbedtls_ssl_conf_cert_req_ca_list( &conf, opt.cert_req_ca_list );
+    if (opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST) {
+        mbedtls_ssl_conf_cert_req_ca_list(&conf, opt.cert_req_ca_list);
+    }
 
 #if defined(MBEDTLS_SSL_EARLY_DATA)
-    mbedtls_ssl_tls13_conf_early_data( &conf, tls13_early_data_enabled );
-    if( tls13_early_data_enabled == MBEDTLS_SSL_EARLY_DATA_ENABLED )
-    {
+    mbedtls_ssl_tls13_conf_early_data(&conf, tls13_early_data_enabled);
+    if (tls13_early_data_enabled == MBEDTLS_SSL_EARLY_DATA_ENABLED) {
         mbedtls_ssl_tls13_conf_max_early_data_size(
-            &conf, opt.max_early_data_size );
+            &conf, opt.max_early_data_size);
     }
 #endif /* MBEDTLS_SSL_EARLY_DATA */
 
@@ -2938,178 +2775,172 @@
     /* exercise setting DN hints for server certificate request
      * (Intended for use where the client cert expected has been signed by
      *  a specific CA which is an intermediate in a CA chain, not the root) */
-    if( opt.cert_req_dn_hint == 2 && key_cert_init2 )
-        mbedtls_ssl_conf_dn_hints( &conf, &srvcert2 );
+    if (opt.cert_req_dn_hint == 2 && key_cert_init2) {
+        mbedtls_ssl_conf_dn_hints(&conf, &srvcert2);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
-        mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min, opt.hs_to_max );
+    if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX) {
+        mbedtls_ssl_conf_handshake_timeout(&conf, opt.hs_to_min, opt.hs_to_max);
+    }
 
-    if( opt.dgram_packing != DFL_DGRAM_PACKING )
-        mbedtls_ssl_set_datagram_packing( &ssl, opt.dgram_packing );
+    if (opt.dgram_packing != DFL_DGRAM_PACKING) {
+        mbedtls_ssl_set_datagram_packing(&ssl, opt.dgram_packing);
+    }
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    if( ( ret = mbedtls_ssl_conf_max_frag_len( &conf, opt.mfl_code ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_conf_max_frag_len(&conf, opt.mfl_code)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret);
         goto exit;
     }
 #endif
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( opt.cid_enabled == 1 || opt.cid_enabled_renego == 1 )
-    {
-        if( opt.cid_enabled == 1        &&
+    if (opt.cid_enabled == 1 || opt.cid_enabled_renego == 1) {
+        if (opt.cid_enabled == 1        &&
             opt.cid_enabled_renego == 1 &&
-            cid_len != cid_renego_len )
-        {
-            mbedtls_printf( "CID length must not change during renegotiation\n" );
+            cid_len != cid_renego_len) {
+            mbedtls_printf("CID length must not change during renegotiation\n");
             goto usage;
         }
 
-        if( opt.cid_enabled == 1 )
-            ret = mbedtls_ssl_conf_cid( &conf, cid_len,
-                                        MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
-        else
-            ret = mbedtls_ssl_conf_cid( &conf, cid_renego_len,
-                                        MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+        if (opt.cid_enabled == 1) {
+            ret = mbedtls_ssl_conf_cid(&conf, cid_len,
+                                       MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
+        } else {
+            ret = mbedtls_ssl_conf_cid(&conf, cid_renego_len,
+                                       MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
+        }
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
-                            (unsigned int) -ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
-    const mbedtls_ssl_srtp_profile forced_profile[] = { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
-    if( opt.use_srtp == 1 )
-    {
-        if( opt.force_srtp_profile != 0 )
-        {
-            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, forced_profile );
-        }
-        else
-        {
-            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, default_profiles );
+    const mbedtls_ssl_srtp_profile forced_profile[] =
+    { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
+    if (opt.use_srtp == 1) {
+        if (opt.force_srtp_profile != 0) {
+            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, forced_profile);
+        } else {
+            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, default_profiles);
         }
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n", ret );
+        if (ret != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n",
+                ret);
             goto exit;
         }
 
-        mbedtls_ssl_conf_srtp_mki_value_supported( &conf,
-                                                   opt.support_mki ?
-                                                   MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED :
-                                                   MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED );
+        mbedtls_ssl_conf_srtp_mki_value_supported(&conf,
+                                                  opt.support_mki ?
+                                                  MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED :
+                                                  MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED);
 
-    }
-    else if( opt.force_srtp_profile != 0 )
-    {
-        mbedtls_printf( " failed\n  ! must enable use_srtp to force srtp profile\n\n" );
+    } else if (opt.force_srtp_profile != 0) {
+        mbedtls_printf(" failed\n  ! must enable use_srtp to force srtp profile\n\n");
         goto exit;
     }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-    if( opt.extended_ms != DFL_EXTENDED_MS )
-        mbedtls_ssl_conf_extended_master_secret( &conf, opt.extended_ms );
+    if (opt.extended_ms != DFL_EXTENDED_MS) {
+        mbedtls_ssl_conf_extended_master_secret(&conf, opt.extended_ms);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-    if( opt.etm != DFL_ETM )
-        mbedtls_ssl_conf_encrypt_then_mac( &conf, opt.etm );
+    if (opt.etm != DFL_ETM) {
+        mbedtls_ssl_conf_encrypt_then_mac(&conf, opt.etm);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-        if( ( ret = mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret );
+    if (opt.alpn_string != NULL) {
+        if ((ret = mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret);
             goto exit;
         }
+    }
 #endif
 
-    if (opt.reproducible)
-    {
+    if (opt.reproducible) {
 #if defined(MBEDTLS_HAVE_TIME)
 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
-        mbedtls_platform_set_time( dummy_constant_time );
+        mbedtls_platform_set_time(dummy_constant_time);
 #else
-        fprintf( stderr, "Warning: reproducible option used without constant time\n" );
+        fprintf(stderr, "Warning: reproducible option used without constant time\n");
 #endif
 #endif  /* MBEDTLS_HAVE_TIME */
     }
-    mbedtls_ssl_conf_rng( &conf, rng_get, &rng );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, rng_get, &rng);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
 #if defined(MBEDTLS_SSL_CACHE_C)
-    if( opt.cache_max != -1 )
-        mbedtls_ssl_cache_set_max_entries( &cache, opt.cache_max );
+    if (opt.cache_max != -1) {
+        mbedtls_ssl_cache_set_max_entries(&cache, opt.cache_max);
+    }
 
 #if defined(MBEDTLS_HAVE_TIME)
-    if( opt.cache_timeout != -1 )
-        mbedtls_ssl_cache_set_timeout( &cache, opt.cache_timeout );
+    if (opt.cache_timeout != -1) {
+        mbedtls_ssl_cache_set_timeout(&cache, opt.cache_timeout);
+    }
 #endif
 
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
+    mbedtls_ssl_conf_session_cache(&conf, &cache,
                                    mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
+                                   mbedtls_ssl_cache_set);
 #endif
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
-    if( opt.tickets != MBEDTLS_SSL_SESSION_TICKETS_DISABLED )
-    {
+    if (opt.tickets != MBEDTLS_SSL_SESSION_TICKETS_DISABLED) {
 #if defined(MBEDTLS_HAVE_TIME)
-        if( opt.dummy_ticket )
-        {
-            mbedtls_ssl_conf_session_tickets_cb( &conf,
-                    dummy_ticket_write,
-                    dummy_ticket_parse,
-                    NULL );
-        }
-        else
+        if (opt.dummy_ticket) {
+            mbedtls_ssl_conf_session_tickets_cb(&conf,
+                                                dummy_ticket_write,
+                                                dummy_ticket_parse,
+                                                NULL);
+        } else
 #endif /* MBEDTLS_HAVE_TIME */
         {
-            if( ( ret = mbedtls_ssl_ticket_setup( &ticket_ctx,
-                            rng_get, &rng,
-                            opt.ticket_aead,
-                            opt.ticket_timeout ) ) != 0 )
-            {
+            if ((ret = mbedtls_ssl_ticket_setup(&ticket_ctx,
+                                                rng_get, &rng,
+                                                opt.ticket_aead,
+                                                opt.ticket_timeout)) != 0) {
                 mbedtls_printf(
                     " failed\n  ! mbedtls_ssl_ticket_setup returned %d\n\n",
-                    ret );
+                    ret);
                 goto exit;
             }
 
-            mbedtls_ssl_conf_session_tickets_cb( &conf,
-                    mbedtls_ssl_ticket_write,
-                    mbedtls_ssl_ticket_parse,
-                    &ticket_ctx );
+            mbedtls_ssl_conf_session_tickets_cb(&conf,
+                                                mbedtls_ssl_ticket_write,
+                                                mbedtls_ssl_ticket_parse,
+                                                &ticket_ctx);
         }
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-        mbedtls_ssl_conf_new_session_tickets( &conf, opt.tickets );
+        mbedtls_ssl_conf_new_session_tickets(&conf, opt.tickets);
 #endif
         /* exercise manual ticket rotation (not required for typical use)
          * (used for external synchronization of session ticket encryption keys)
          */
-        if( opt.ticket_rotate ) {
+        if (opt.ticket_rotate) {
             unsigned char kbuf[MBEDTLS_SSL_TICKET_MAX_KEY_BYTES];
             unsigned char name[MBEDTLS_SSL_TICKET_KEY_NAME_BYTES];
-            if( ( ret = rng_get( &rng, name, sizeof( name ) ) ) != 0 ||
-                ( ret = rng_get( &rng, kbuf, sizeof( kbuf ) ) ) != 0 ||
-                ( ret = mbedtls_ssl_ticket_rotate( &ticket_ctx,
-                        name, sizeof(name), kbuf, sizeof(kbuf),
-                        opt.ticket_timeout ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_ticket_rotate returned %d\n\n", ret );
+            if ((ret = rng_get(&rng, name, sizeof(name))) != 0 ||
+                (ret = rng_get(&rng, kbuf, sizeof(kbuf))) != 0 ||
+                (ret = mbedtls_ssl_ticket_rotate(&ticket_ctx,
+                                                 name, sizeof(name), kbuf, sizeof(kbuf),
+                                                 opt.ticket_timeout)) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_ticket_rotate returned %d\n\n", ret);
                 goto exit;
             }
         }
@@ -3117,175 +2948,157 @@
 #endif
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
 #if defined(MBEDTLS_SSL_COOKIE_C)
-        if( opt.cookies > 0 )
-        {
-            if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx,
-                                                  rng_get, &rng ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret );
+        if (opt.cookies > 0) {
+            if ((ret = mbedtls_ssl_cookie_setup(&cookie_ctx,
+                                                rng_get, &rng)) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret);
                 goto exit;
             }
 
-            mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
-                                       &cookie_ctx );
-        }
-        else
+            mbedtls_ssl_conf_dtls_cookies(&conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
+                                          &cookie_ctx);
+        } else
 #endif /* MBEDTLS_SSL_COOKIE_C */
 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
-        if( opt.cookies == 0 )
-        {
-            mbedtls_ssl_conf_dtls_cookies( &conf, NULL, NULL, NULL );
-        }
-        else
+        if (opt.cookies == 0) {
+            mbedtls_ssl_conf_dtls_cookies(&conf, NULL, NULL, NULL);
+        } else
 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
         {
             ; /* Nothing to do */
         }
 
 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
-        if( opt.anti_replay != DFL_ANTI_REPLAY )
-            mbedtls_ssl_conf_dtls_anti_replay( &conf, opt.anti_replay );
+        if (opt.anti_replay != DFL_ANTI_REPLAY) {
+            mbedtls_ssl_conf_dtls_anti_replay(&conf, opt.anti_replay);
+        }
 #endif
 
-        if( opt.badmac_limit != DFL_BADMAC_LIMIT )
-            mbedtls_ssl_conf_dtls_badmac_limit( &conf, opt.badmac_limit );
+        if (opt.badmac_limit != DFL_BADMAC_LIMIT) {
+            mbedtls_ssl_conf_dtls_badmac_limit(&conf, opt.badmac_limit);
+        }
     }
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-    if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
-        mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+    if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER) {
+        mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite);
+    }
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-    mbedtls_ssl_conf_tls13_key_exchange_modes( &conf, opt.tls13_kex_modes );
+    mbedtls_ssl_conf_tls13_key_exchange_modes(&conf, opt.tls13_kex_modes);
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
-    if( opt.allow_legacy != DFL_ALLOW_LEGACY )
-        mbedtls_ssl_conf_legacy_renegotiation( &conf, opt.allow_legacy );
+    if (opt.allow_legacy != DFL_ALLOW_LEGACY) {
+        mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy);
+    }
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    mbedtls_ssl_conf_renegotiation( &conf, opt.renegotiation );
+    mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation);
 
-    if( opt.renego_delay != DFL_RENEGO_DELAY )
-        mbedtls_ssl_conf_renegotiation_enforced( &conf, opt.renego_delay );
+    if (opt.renego_delay != DFL_RENEGO_DELAY) {
+        mbedtls_ssl_conf_renegotiation_enforced(&conf, opt.renego_delay);
+    }
 
-    if( opt.renego_period != DFL_RENEGO_PERIOD )
-    {
-        PUT_UINT64_BE( renego_period, opt.renego_period, 0 );
-        mbedtls_ssl_conf_renegotiation_period( &conf, renego_period );
+    if (opt.renego_period != DFL_RENEGO_PERIOD) {
+        PUT_UINT64_BE(renego_period, opt.renego_period, 0);
+        mbedtls_ssl_conf_renegotiation_period(&conf, renego_period);
     }
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    if( strcmp( opt.ca_path, "none" ) != 0 &&
-        strcmp( opt.ca_file, "none" ) != 0 )
-    {
+    if (strcmp(opt.ca_path, "none") != 0 &&
+        strcmp(opt.ca_file, "none") != 0) {
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-        if( opt.ca_callback != 0 )
-            mbedtls_ssl_conf_ca_cb( &conf, ca_callback, &cacert);
-        else
+        if (opt.ca_callback != 0) {
+            mbedtls_ssl_conf_ca_cb(&conf, ca_callback, &cacert);
+        } else
 #endif
-            mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+        mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
     }
-    if( key_cert_init )
-    {
+    if (key_cert_init) {
         mbedtls_pk_context *pk = &pkey;
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( opt.async_private_delay1 >= 0 )
-        {
-            ret = ssl_async_set_key( &ssl_async_keys, &srvcert, pk, 0,
-                                     opt.async_private_delay1 );
-            if( ret < 0 )
-            {
-                mbedtls_printf( "  Test error: ssl_async_set_key failed (%d)\n",
-                                ret );
+        if (opt.async_private_delay1 >= 0) {
+            ret = ssl_async_set_key(&ssl_async_keys, &srvcert, pk, 0,
+                                    opt.async_private_delay1);
+            if (ret < 0) {
+                mbedtls_printf("  Test error: ssl_async_set_key failed (%d)\n",
+                               ret);
                 goto exit;
             }
             pk = NULL;
         }
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
-        if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, pk ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+        if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, pk)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
             goto exit;
         }
     }
-    if( key_cert_init2 )
-    {
+    if (key_cert_init2) {
         mbedtls_pk_context *pk = &pkey2;
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( opt.async_private_delay2 >= 0 )
-        {
-            ret = ssl_async_set_key( &ssl_async_keys, &srvcert2, pk, 0,
-                                     opt.async_private_delay2 );
-            if( ret < 0 )
-            {
-                mbedtls_printf( "  Test error: ssl_async_set_key failed (%d)\n",
-                                ret );
+        if (opt.async_private_delay2 >= 0) {
+            ret = ssl_async_set_key(&ssl_async_keys, &srvcert2, pk, 0,
+                                    opt.async_private_delay2);
+            if (ret < 0) {
+                mbedtls_printf("  Test error: ssl_async_set_key failed (%d)\n",
+                               ret);
                 goto exit;
             }
             pk = NULL;
         }
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
-        if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert2, pk ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+        if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert2, pk)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
             goto exit;
         }
     }
 
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-    if( opt.async_operations[0] != '-' )
-    {
+    if (opt.async_operations[0] != '-') {
         mbedtls_ssl_async_sign_t *sign = NULL;
         mbedtls_ssl_async_decrypt_t *decrypt = NULL;
         const char *r;
-        for( r = opt.async_operations; *r; r++ )
-        {
-            switch( *r )
-            {
-            case 'd':
-                decrypt = ssl_async_decrypt;
-                break;
-            case 's':
-                sign = ssl_async_sign;
-                break;
+        for (r = opt.async_operations; *r; r++) {
+            switch (*r) {
+                case 'd':
+                    decrypt = ssl_async_decrypt;
+                    break;
+                case 's':
+                    sign = ssl_async_sign;
+                    break;
             }
         }
-        ssl_async_keys.inject_error = ( opt.async_private_error < 0 ?
-                                        - opt.async_private_error :
-                                        opt.async_private_error );
+        ssl_async_keys.inject_error = (opt.async_private_error < 0 ?
+                                       -opt.async_private_error :
+                                       opt.async_private_error);
         ssl_async_keys.f_rng = rng_get;
         ssl_async_keys.p_rng = &rng;
-        mbedtls_ssl_conf_async_private_cb( &conf,
-                                           sign,
-                                           decrypt,
-                                           ssl_async_resume,
-                                           ssl_async_cancel,
-                                           &ssl_async_keys );
+        mbedtls_ssl_conf_async_private_cb(&conf,
+                                          sign,
+                                          decrypt,
+                                          ssl_async_resume,
+                                          ssl_async_cancel,
+                                          &ssl_async_keys);
     }
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
 #if defined(SNI_OPTION)
-    if( opt.sni != NULL )
-    {
-        mbedtls_ssl_conf_sni( &conf, sni_callback, sni_info );
-        mbedtls_ssl_conf_cert_cb( &conf, cert_callback );
+    if (opt.sni != NULL) {
+        mbedtls_ssl_conf_sni(&conf, sni_callback, sni_info);
+        mbedtls_ssl_conf_cert_cb(&conf, cert_callback);
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( opt.async_private_delay2 >= 0 )
-        {
+        if (opt.async_private_delay2 >= 0) {
             sni_entry *cur;
-            for( cur = sni_info; cur != NULL; cur = cur->next )
-            {
-                ret = ssl_async_set_key( &ssl_async_keys,
-                                         cur->cert, cur->key, 1,
-                                         opt.async_private_delay2 );
-                if( ret < 0 )
-                {
-                    mbedtls_printf( "  Test error: ssl_async_set_key failed (%d)\n",
-                                    ret );
+            for (cur = sni_info; cur != NULL; cur = cur->next) {
+                ret = ssl_async_set_key(&ssl_async_keys,
+                                        cur->cert, cur->key, 1,
+                                        opt.async_private_delay2);
+                if (ret < 0) {
+                    mbedtls_printf("  Test error: ssl_async_set_key failed (%d)\n",
+                                   ret);
                     goto exit;
                 }
                 cur->key = NULL;
@@ -3296,71 +3109,61 @@
 #endif
 
 #if defined(MBEDTLS_ECP_C)
-    if( opt.curves != NULL &&
-        strcmp( opt.curves, "default" ) != 0 )
-    {
-        mbedtls_ssl_conf_groups( &conf, group_list );
+    if (opt.curves != NULL &&
+        strcmp(opt.curves, "default") != 0) {
+        mbedtls_ssl_conf_groups(&conf, group_list);
     }
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    if( opt.sig_algs != NULL )
-        mbedtls_ssl_conf_sig_algs( &conf, sig_alg_list );
+    if (opt.sig_algs != NULL) {
+        mbedtls_ssl_conf_sig_algs(&conf, sig_alg_list);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
 
-    if( strlen( opt.psk ) != 0 && strlen( opt.psk_identity ) != 0 )
-    {
+    if (strlen(opt.psk) != 0 && strlen(opt.psk_identity) != 0) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if( opt.psk_opaque != 0 )
-        {
+        if (opt.psk_opaque != 0) {
             /* The algorithm has already been determined earlier. */
-            status = psa_setup_psk_key_slot( &psk_slot, alg, psk, psk_len );
-            if( status != PSA_SUCCESS )
-            {
-                fprintf( stderr, "SETUP FAIL\n" );
+            status = psa_setup_psk_key_slot(&psk_slot, alg, psk, psk_len);
+            if (status != PSA_SUCCESS) {
+                fprintf(stderr, "SETUP FAIL\n");
                 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
                 goto exit;
             }
-            if( ( ret = mbedtls_ssl_conf_psk_opaque( &conf, psk_slot,
-                             (const unsigned char *) opt.psk_identity,
-                             strlen( opt.psk_identity ) ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
-                                ret );
+            if ((ret = mbedtls_ssl_conf_psk_opaque(&conf, psk_slot,
+                                                   (const unsigned char *) opt.psk_identity,
+                                                   strlen(opt.psk_identity))) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
+                               ret);
                 goto exit;
             }
-        }
-        else
+        } else
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-        if( psk_len > 0 )
-        {
-            ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len,
-                                     (const unsigned char *) opt.psk_identity,
-                                     strlen( opt.psk_identity ) );
-            if( ret != 0 )
-            {
-                mbedtls_printf( "  failed\n  mbedtls_ssl_conf_psk returned -0x%04X\n\n", (unsigned int) -ret );
+        if (psk_len > 0) {
+            ret = mbedtls_ssl_conf_psk(&conf, psk, psk_len,
+                                       (const unsigned char *) opt.psk_identity,
+                                       strlen(opt.psk_identity));
+            if (ret != 0) {
+                mbedtls_printf("  failed\n  mbedtls_ssl_conf_psk returned -0x%04X\n\n",
+                               (unsigned int) -ret);
                 goto exit;
             }
         }
     }
 
-    if( opt.psk_list != NULL )
-    {
+    if (opt.psk_list != NULL) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if( opt.psk_list_opaque != 0 )
-        {
+        if (opt.psk_list_opaque != 0) {
             psk_entry *cur_psk;
-            for( cur_psk = psk_info; cur_psk != NULL; cur_psk = cur_psk->next )
-            {
+            for (cur_psk = psk_info; cur_psk != NULL; cur_psk = cur_psk->next) {
 
-                status = psa_setup_psk_key_slot( &cur_psk->slot, alg,
-                                                 cur_psk->key,
-                                                 cur_psk->key_len );
-                if( status != PSA_SUCCESS )
-                {
+                status = psa_setup_psk_key_slot(&cur_psk->slot, alg,
+                                                cur_psk->key,
+                                                cur_psk->key_len);
+                if (status != PSA_SUCCESS) {
                     ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
                     goto exit;
                 }
@@ -3368,7 +3171,7 @@
         }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-        mbedtls_ssl_conf_psk_cb( &conf, psk_callback, psk_info );
+        mbedtls_ssl_conf_psk_cb(&conf, psk_callback, psk_info);
     }
 #endif
 
@@ -3377,213 +3180,201 @@
      * Use different group than default DHM group
      */
 #if defined(MBEDTLS_FS_IO)
-    if( opt.dhm_file != NULL )
-        ret = mbedtls_ssl_conf_dh_param_ctx( &conf, &dhm );
+    if (opt.dhm_file != NULL) {
+        ret = mbedtls_ssl_conf_dh_param_ctx(&conf, &dhm);
+    }
 #endif
-    if( ret != 0 )
-    {
-        mbedtls_printf( "  failed\n  mbedtls_ssl_conf_dh_param returned -0x%04X\n\n", (unsigned int) -ret );
+    if (ret != 0) {
+        mbedtls_printf("  failed\n  mbedtls_ssl_conf_dh_param returned -0x%04X\n\n",
+                       (unsigned int) -ret);
         goto exit;
     }
 #endif
 
-    if( opt.min_version != DFL_MIN_VERSION )
-        mbedtls_ssl_conf_min_tls_version( &conf, opt.min_version );
+    if (opt.min_version != DFL_MIN_VERSION) {
+        mbedtls_ssl_conf_min_tls_version(&conf, opt.min_version);
+    }
 
-    if( opt.max_version != DFL_MIN_VERSION )
-        mbedtls_ssl_conf_max_tls_version( &conf, opt.max_version );
+    if (opt.max_version != DFL_MIN_VERSION) {
+        mbedtls_ssl_conf_max_tls_version(&conf, opt.max_version);
+    }
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n", (unsigned int) -ret);
         goto exit;
     }
 
-    if( opt.eap_tls != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl, eap_tls_key_derivation,
-                                        &eap_tls_keying );
+    if (opt.eap_tls != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, eap_tls_key_derivation,
+                                       &eap_tls_keying);
+    } else if (opt.nss_keylog != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl,
+                                       nss_keylog_export,
+                                       NULL);
     }
-    else if( opt.nss_keylog != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl,
-                                        nss_keylog_export,
-                                        NULL );
-    }
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-    else if( opt.use_srtp != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl, dtls_srtp_key_derivation,
-                                        &dtls_srtp_keying );
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+    else if (opt.use_srtp != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, dtls_srtp_key_derivation,
+                                       &dtls_srtp_keying);
     }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
     io_ctx.ssl = &ssl;
     io_ctx.net = &client_fd;
-    mbedtls_ssl_set_bio( &ssl, &io_ctx, send_cb, recv_cb,
-                         opt.nbio == 0 ? recv_timeout_cb : NULL );
+    mbedtls_ssl_set_bio(&ssl, &io_ctx, send_cb, recv_cb,
+                        opt.nbio == 0 ? recv_timeout_cb : NULL);
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled,
-                                         cid, cid_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
-                            ret );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled,
+                                       cid, cid_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.dtls_mtu != DFL_DTLS_MTU )
-        mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
+    if (opt.dtls_mtu != DFL_DTLS_MTU) {
+        mbedtls_ssl_set_mtu(&ssl, opt.dtls_mtu);
+    }
 #endif
 
 #if defined(MBEDTLS_TIMING_C)
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                                            mbedtls_timing_get_delay );
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
 #endif
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on %s://%s:%s/ ...",
-            opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
-            opt.server_addr ? opt.server_addr : "*",
-            opt.server_port );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on %s://%s:%s/ ...",
+                   opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
+                   opt.server_addr ? opt.server_addr : "*",
+                   opt.server_port);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, opt.server_addr, opt.server_port,
-                          opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
-                          MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned -0x%x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, opt.server_addr, opt.server_port,
+                                opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+                                MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned -0x%x\n\n", (unsigned int) -ret);
         goto exit;
     }
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
 reset:
 #if !defined(_WIN32)
-    if( received_sigterm )
-    {
-        mbedtls_printf( " interrupted by SIGTERM (not in net_accept())\n" );
-        if( ret == MBEDTLS_ERR_NET_INVALID_CONTEXT )
+    if (received_sigterm) {
+        mbedtls_printf(" interrupted by SIGTERM (not in net_accept())\n");
+        if (ret == MBEDTLS_ERR_NET_INVALID_CONTEXT) {
             ret = 0;
+        }
 
         goto exit;
     }
 #endif
 
-    if( ret == MBEDTLS_ERR_SSL_CLIENT_RECONNECT )
-    {
-        mbedtls_printf( "  ! Client initiated reconnection from same port\n" );
+    if (ret == MBEDTLS_ERR_SSL_CLIENT_RECONNECT) {
+        mbedtls_printf("  ! Client initiated reconnection from same port\n");
         goto handshake;
     }
 
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
 #endif
 
-    mbedtls_net_free( &client_fd );
+    mbedtls_net_free(&client_fd);
 
-    mbedtls_ssl_session_reset( &ssl );
+    mbedtls_ssl_session_reset(&ssl);
 
     /*
      * 3. Wait until a client connects
      */
-    mbedtls_printf( "  . Waiting for a remote connection ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Waiting for a remote connection ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                    client_ip, sizeof( client_ip ), &cliip_len ) ) != 0 )
-    {
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                  client_ip, sizeof(client_ip), &cliip_len)) != 0) {
 #if !defined(_WIN32)
-        if( received_sigterm )
-        {
-            mbedtls_printf( " interrupted by SIGTERM (in net_accept())\n" );
-            if( ret == MBEDTLS_ERR_NET_ACCEPT_FAILED )
+        if (received_sigterm) {
+            mbedtls_printf(" interrupted by SIGTERM (in net_accept())\n");
+            if (ret == MBEDTLS_ERR_NET_ACCEPT_FAILED) {
                 ret = 0;
+            }
 
             goto exit;
         }
 #endif
 
-        mbedtls_printf( " failed\n  ! mbedtls_net_accept returned -0x%x\n\n", (unsigned int) -ret );
+        mbedtls_printf(" failed\n  ! mbedtls_net_accept returned -0x%x\n\n", (unsigned int) -ret);
         goto exit;
     }
 
-    if( opt.nbio > 0 )
-        ret = mbedtls_net_set_nonblock( &client_fd );
-    else
-        ret = mbedtls_net_set_block( &client_fd );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n", (unsigned int) -ret );
+    if (opt.nbio > 0) {
+        ret = mbedtls_net_set_nonblock(&client_fd);
+    } else {
+        ret = mbedtls_net_set_block(&client_fd);
+    }
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! net_set_(non)block() returned -0x%x\n\n", (unsigned int) -ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout );
+    mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout);
 
 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl,
-                        client_ip, cliip_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n",
-                            (unsigned int) -ret );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_client_transport_id(&ssl,
+                                                       client_ip, cliip_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( opt.ecjpake_pw != DFL_ECJPAKE_PW )
-    {
+    if (opt.ecjpake_pw != DFL_ECJPAKE_PW) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if ( opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE )
-        {
+        if (opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE) {
             psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-            psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DERIVE );
-            psa_set_key_algorithm( &attributes, PSA_ALG_JPAKE );
-            psa_set_key_type( &attributes, PSA_KEY_TYPE_PASSWORD );
+            psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+            psa_set_key_algorithm(&attributes, PSA_ALG_JPAKE);
+            psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD);
 
-            status = psa_import_key( &attributes,
-                                (const unsigned char *) opt.ecjpake_pw,
-                                strlen( opt.ecjpake_pw ),
-                                &ecjpake_pw_slot );
-            if( status != PSA_SUCCESS )
-            {
-                mbedtls_printf( " failed\n  ! psa_import_key returned %d\n\n",
-                            status );
+            status = psa_import_key(&attributes,
+                                    (const unsigned char *) opt.ecjpake_pw,
+                                    strlen(opt.ecjpake_pw),
+                                    &ecjpake_pw_slot);
+            if (status != PSA_SUCCESS) {
+                mbedtls_printf(" failed\n  ! psa_import_key returned %d\n\n",
+                               status);
                 goto exit;
             }
-            if( ( ret = mbedtls_ssl_set_hs_ecjpake_password_opaque( &ssl,
-                                        ecjpake_pw_slot ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password_opaque returned %d\n\n", ret );
+            if ((ret = mbedtls_ssl_set_hs_ecjpake_password_opaque(&ssl,
+                                                                  ecjpake_pw_slot)) != 0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password_opaque returned %d\n\n",
+                    ret);
                 goto exit;
             }
-            mbedtls_printf( "using opaque password\n");
-        }
-        else
+            mbedtls_printf("using opaque password\n");
+        } else
 #endif  /* MBEDTLS_USE_PSA_CRYPTO */
         {
-            if( ( ret = mbedtls_ssl_set_hs_ecjpake_password( &ssl,
-                                        (const unsigned char *) opt.ecjpake_pw,
-                                        strlen( opt.ecjpake_pw ) ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", ret );
+            if ((ret = mbedtls_ssl_set_hs_ecjpake_password(&ssl,
+                                                           (const unsigned char *) opt.ecjpake_pw,
+                                                           strlen(opt.ecjpake_pw))) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n",
+                               ret);
                 goto exit;
             }
         }
@@ -3597,109 +3388,105 @@
      *  a specific CA which is an intermediate in a CA chain, not the root)
      * (Additionally, the CA choice would typically be influenced by SNI
      *  if being set per-handshake using mbedtls_ssl_set_hs_dn_hints()) */
-    if( opt.cert_req_dn_hint == 3 && key_cert_init2 )
-        mbedtls_ssl_set_hs_dn_hints( &ssl, &srvcert2 );
+    if (opt.cert_req_dn_hint == 3 && key_cert_init2) {
+        mbedtls_ssl_set_hs_dn_hints(&ssl, &srvcert2);
+    }
 #endif
 #endif
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 4. Handshake
      */
 handshake:
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS &&
-            ssl_async_keys.inject_error == SSL_ASYNC_INJECT_ERROR_CANCEL )
-        {
-            mbedtls_printf( " cancelling on injected error\n" );
+        if (ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS &&
+            ssl_async_keys.inject_error == SSL_ASYNC_INJECT_ERROR_CANCEL) {
+            mbedtls_printf(" cancelling on injected error\n");
             break;
         }
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
 
-        if( ! mbedtls_status_is_ssl_in_progress( ret ) )
+        if (!mbedtls_status_is_ssl_in_progress(ret)) {
             break;
+        }
 
         /* For event-driven IO, wait for socket to become available */
-        if( opt.event == 1 /* level triggered IO */ )
-        {
+        if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-            ret = idle( &client_fd, &timer, ret );
+            ret = idle(&client_fd, &timer, ret);
 #else
-            ret = idle( &client_fd, ret );
+            ret = idle(&client_fd, ret);
 #endif
-            if( ret != 0 )
+            if (ret != 0) {
                 goto reset;
+            }
         }
     }
 
-    if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED )
-    {
-        mbedtls_printf( " hello verification requested\n" );
+    if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) {
+        mbedtls_printf(" hello verification requested\n");
         ret = 0;
         goto reset;
-    }
-    else if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    } else if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                       (unsigned int) -ret);
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-        if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED )
-        {
+        if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) {
             char vrfy_buf[512];
-            flags = mbedtls_ssl_get_verify_result( &ssl );
+            flags = mbedtls_ssl_get_verify_result(&ssl);
 
-            x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
+            x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-            mbedtls_printf( "%s\n", vrfy_buf );
+            mbedtls_printf("%s\n", vrfy_buf);
         }
 #endif
 
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( opt.async_private_error < 0 )
+        if (opt.async_private_error < 0) {
             /* Injected error only the first time round, to test reset */
             ssl_async_keys.inject_error = SSL_ASYNC_INJECT_ERROR_NONE;
+        }
 #endif
         goto reset;
-    }
-    else /* ret == 0 */
-    {
-        int suite_id = mbedtls_ssl_get_ciphersuite_id_from_ssl( &ssl );
+    } else { /* ret == 0 */
+        int suite_id = mbedtls_ssl_get_ciphersuite_id_from_ssl(&ssl);
         const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
-        ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( suite_id );
+        ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(suite_id);
 
-        mbedtls_printf( " ok\n    [ Protocol is %s ]\n"
-                             "    [ Ciphersuite is %s ]\n"
-                             "    [ Key size is %u ]\n",
-          mbedtls_ssl_get_version( &ssl ),
-          mbedtls_ssl_ciphersuite_get_name( ciphersuite_info ),
-          (unsigned int)
-            mbedtls_ssl_ciphersuite_get_cipher_key_bitlen( ciphersuite_info ) );
+        mbedtls_printf(" ok\n    [ Protocol is %s ]\n"
+                       "    [ Ciphersuite is %s ]\n"
+                       "    [ Key size is %u ]\n",
+                       mbedtls_ssl_get_version(&ssl),
+                       mbedtls_ssl_ciphersuite_get_name(ciphersuite_info),
+                       (unsigned int)
+                       mbedtls_ssl_ciphersuite_get_cipher_key_bitlen(ciphersuite_info));
     }
 
-    if( ( ret = mbedtls_ssl_get_record_expansion( &ssl ) ) >= 0 )
-        mbedtls_printf( "    [ Record expansion is %d ]\n", ret );
-    else
-        mbedtls_printf( "    [ Record expansion is unknown ]\n" );
+    if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0) {
+        mbedtls_printf("    [ Record expansion is %d ]\n", ret);
+    } else {
+        mbedtls_printf("    [ Record expansion is unknown ]\n");
+    }
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    mbedtls_printf( "    [ Maximum incoming record payload length is %u ]\n",
-                    (unsigned int) mbedtls_ssl_get_max_in_record_payload( &ssl ) );
-    mbedtls_printf( "    [ Maximum outgoing record payload length is %u ]\n",
-                    (unsigned int) mbedtls_ssl_get_max_out_record_payload( &ssl ) );
+    mbedtls_printf("    [ Maximum incoming record payload length is %u ]\n",
+                   (unsigned int) mbedtls_ssl_get_max_in_record_payload(&ssl));
+    mbedtls_printf("    [ Maximum outgoing record payload length is %u ]\n",
+                   (unsigned int) mbedtls_ssl_get_max_out_record_payload(&ssl));
 #endif
 
 #if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-    {
-        const char *alp = mbedtls_ssl_get_alpn_protocol( &ssl );
-        mbedtls_printf( "    [ Application Layer Protocol is %s ]\n",
-                alp ? alp : "(none)" );
+    if (opt.alpn_string != NULL) {
+        const char *alp = mbedtls_ssl_get_alpn_protocol(&ssl);
+        mbedtls_printf("    [ Application Layer Protocol is %s ]\n",
+                       alp ? alp : "(none)");
     }
 #endif
 
@@ -3707,300 +3494,271 @@
     /*
      * 5. Verify the client certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
         char vrfy_buf[512];
 
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
-        x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
-        mbedtls_printf( "%s\n", vrfy_buf );
+        x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
+        mbedtls_printf("%s\n", vrfy_buf);
+    } else {
+        mbedtls_printf(" ok\n");
     }
-    else
-        mbedtls_printf( " ok\n" );
 
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
-    if( mbedtls_ssl_get_peer_cert( &ssl ) != NULL )
-    {
+    if (mbedtls_ssl_get_peer_cert(&ssl) != NULL) {
         char crt_buf[512];
 
-        mbedtls_printf( "  . Peer certificate information    ...\n" );
-        mbedtls_x509_crt_info( crt_buf, sizeof( crt_buf ), "      ",
-                       mbedtls_ssl_get_peer_cert( &ssl ) );
-        mbedtls_printf( "%s\n", crt_buf );
+        mbedtls_printf("  . Peer certificate information    ...\n");
+        mbedtls_x509_crt_info(crt_buf, sizeof(crt_buf), "      ",
+                              mbedtls_ssl_get_peer_cert(&ssl));
+        mbedtls_printf("%s\n", crt_buf);
     }
 #endif /* MBEDTLS_X509_REMOVE_INFO */
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
 
-    if( opt.eap_tls != 0 )
-    {
+    if (opt.eap_tls != 0) {
         size_t j = 0;
 
-        if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type,
-                                         eap_tls_keying.master_secret,
-                                         sizeof( eap_tls_keying.master_secret ),
-                                         eap_tls_label,
-                                         eap_tls_keying.randbytes,
-                                         sizeof( eap_tls_keying.randbytes ),
-                                         eap_tls_keymaterial,
-                                         sizeof( eap_tls_keymaterial ) ) )
-                                         != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type,
+                                       eap_tls_keying.master_secret,
+                                       sizeof(eap_tls_keying.master_secret),
+                                       eap_tls_label,
+                                       eap_tls_keying.randbytes,
+                                       sizeof(eap_tls_keying.randbytes),
+                                       eap_tls_keymaterial,
+                                       sizeof(eap_tls_keymaterial)))
+            != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto reset;
         }
 
-        mbedtls_printf( "    EAP-TLS key material is:" );
-        for( j = 0; j < sizeof( eap_tls_keymaterial ); j++ )
-        {
-            if( j % 8 == 0 )
+        mbedtls_printf("    EAP-TLS key material is:");
+        for (j = 0; j < sizeof(eap_tls_keymaterial); j++) {
+            if (j % 8 == 0) {
                 mbedtls_printf("\n    ");
-            mbedtls_printf("%02x ", eap_tls_keymaterial[j] );
+            }
+            mbedtls_printf("%02x ", eap_tls_keymaterial[j]);
         }
         mbedtls_printf("\n");
 
-        if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type, NULL, 0,
-                                         eap_tls_label,
-                                         eap_tls_keying.randbytes,
-                                         sizeof( eap_tls_keying.randbytes ),
-                                         eap_tls_iv,
-                                         sizeof( eap_tls_iv ) ) ) != 0 )
-         {
-             mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                             (unsigned int) -ret );
-             goto reset;
-         }
+        if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, NULL, 0,
+                                       eap_tls_label,
+                                       eap_tls_keying.randbytes,
+                                       sizeof(eap_tls_keying.randbytes),
+                                       eap_tls_iv,
+                                       sizeof(eap_tls_iv))) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                           (unsigned int) -ret);
+            goto reset;
+        }
 
-        mbedtls_printf( "    EAP-TLS IV is:" );
-        for( j = 0; j < sizeof( eap_tls_iv ); j++ )
-        {
-            if( j % 8 == 0 )
+        mbedtls_printf("    EAP-TLS IV is:");
+        for (j = 0; j < sizeof(eap_tls_iv); j++) {
+            if (j % 8 == 0) {
                 mbedtls_printf("\n    ");
-            mbedtls_printf("%02x ", eap_tls_iv[j] );
+            }
+            mbedtls_printf("%02x ", eap_tls_iv[j]);
         }
         mbedtls_printf("\n");
     }
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-    else if( opt.use_srtp != 0  )
-    {
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+    else if (opt.use_srtp != 0) {
         size_t j = 0;
         mbedtls_dtls_srtp_info dtls_srtp_negotiation_result;
-        mbedtls_ssl_get_dtls_srtp_negotiation_result( &ssl, &dtls_srtp_negotiation_result );
+        mbedtls_ssl_get_dtls_srtp_negotiation_result(&ssl, &dtls_srtp_negotiation_result);
 
-        if( dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
-                                == MBEDTLS_TLS_SRTP_UNSET )
-        {
-            mbedtls_printf( "    Unable to negotiate "
-                            "the use of DTLS-SRTP\n" );
-        }
-        else
-        {
-            if( ( ret = mbedtls_ssl_tls_prf( dtls_srtp_keying.tls_prf_type,
-                                             dtls_srtp_keying.master_secret,
-                                             sizeof( dtls_srtp_keying.master_secret ),
-                                             dtls_srtp_label,
-                                             dtls_srtp_keying.randbytes,
-                                             sizeof( dtls_srtp_keying.randbytes ),
-                                             dtls_srtp_key_material,
-                                             sizeof( dtls_srtp_key_material ) ) )
-                                             != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                                (unsigned int) -ret );
+        if (dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
+            == MBEDTLS_TLS_SRTP_UNSET) {
+            mbedtls_printf("    Unable to negotiate "
+                           "the use of DTLS-SRTP\n");
+        } else {
+            if ((ret = mbedtls_ssl_tls_prf(dtls_srtp_keying.tls_prf_type,
+                                           dtls_srtp_keying.master_secret,
+                                           sizeof(dtls_srtp_keying.master_secret),
+                                           dtls_srtp_label,
+                                           dtls_srtp_keying.randbytes,
+                                           sizeof(dtls_srtp_keying.randbytes),
+                                           dtls_srtp_key_material,
+                                           sizeof(dtls_srtp_key_material)))
+                != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                               (unsigned int) -ret);
                 goto exit;
             }
 
-            mbedtls_printf( "    DTLS-SRTP key material is:" );
-            for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
-            {
-                if( j % 8 == 0 )
-                    mbedtls_printf( "\n    " );
-                mbedtls_printf( "%02x ", dtls_srtp_key_material[j] );
+            mbedtls_printf("    DTLS-SRTP key material is:");
+            for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
+                if (j % 8 == 0) {
+                    mbedtls_printf("\n    ");
+                }
+                mbedtls_printf("%02x ", dtls_srtp_key_material[j]);
             }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
             /* produce a less readable output used to perform automatic checks
              * - compare client and server output
              * - interop test with openssl which client produces this kind of output
              */
-            mbedtls_printf( "    Keying material: " );
-            for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
-            {
-                mbedtls_printf( "%02X", dtls_srtp_key_material[j] );
+            mbedtls_printf("    Keying material: ");
+            for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
+                mbedtls_printf("%02X", dtls_srtp_key_material[j]);
             }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
-            if ( dtls_srtp_negotiation_result.mki_len > 0 )
-            {
-                mbedtls_printf( "    DTLS-SRTP mki value: " );
-                for( j = 0; j < dtls_srtp_negotiation_result.mki_len; j++ )
-                {
-                    mbedtls_printf( "%02X", dtls_srtp_negotiation_result.mki_value[j] );
+            if (dtls_srtp_negotiation_result.mki_len > 0) {
+                mbedtls_printf("    DTLS-SRTP mki value: ");
+                for (j = 0; j < dtls_srtp_negotiation_result.mki_len; j++) {
+                    mbedtls_printf("%02X", dtls_srtp_negotiation_result.mki_value[j]);
                 }
+            } else {
+                mbedtls_printf("    DTLS-SRTP no mki value negotiated");
             }
-            else
-            {
-                mbedtls_printf( "    DTLS-SRTP no mki value negotiated" );
-            }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    ret = report_cid_usage( &ssl, "initial handshake" );
-    if( ret != 0 )
+    ret = report_cid_usage(&ssl, "initial handshake");
+    if (ret != 0) {
         goto exit;
+    }
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled_renego,
-                                         cid_renego, cid_renego_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
-                            ret );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled_renego,
+                                       cid_renego, cid_renego_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_MEMORY_DEBUG)
-    mbedtls_memory_buffer_alloc_cur_get( &current_heap_memory, &heap_blocks );
-    mbedtls_memory_buffer_alloc_max_get( &peak_heap_memory, &heap_blocks );
-    mbedtls_printf( "Heap memory usage after handshake: %lu bytes. Peak memory usage was %lu\n",
-                    (unsigned long) current_heap_memory, (unsigned long) peak_heap_memory );
+    mbedtls_memory_buffer_alloc_cur_get(&current_heap_memory, &heap_blocks);
+    mbedtls_memory_buffer_alloc_max_get(&peak_heap_memory, &heap_blocks);
+    mbedtls_printf("Heap memory usage after handshake: %lu bytes. Peak memory usage was %lu\n",
+                   (unsigned long) current_heap_memory, (unsigned long) peak_heap_memory);
 #endif  /* MBEDTLS_MEMORY_DEBUG */
 
-    if( opt.exchanges == 0 )
+    if (opt.exchanges == 0) {
         goto close_notify;
+    }
 
     exchanges_left = opt.exchanges;
 data_exchange:
     /*
      * 6. Read the HTTP Request
      */
-    mbedtls_printf( "  < Read from client:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from client:");
+    fflush(stdout);
 
     /*
      * TLS and DTLS need different reading styles (stream vs datagram)
      */
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
-    {
-        do
-        {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
+        do {
             int terminated = 0;
             len = opt.buffer_size;
-            memset( buf, 0, opt.buffer_size );
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+            memset(buf, 0, opt.buffer_size);
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-            if( mbedtls_status_is_ssl_in_progress( ret ) )
-            {
-                if( opt.event == 1 /* level triggered IO */ )
-                {
+            if (mbedtls_status_is_ssl_in_progress(ret)) {
+                if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                    idle( &client_fd, &timer, ret );
+                    idle(&client_fd, &timer, ret);
 #else
-                    idle( &client_fd, ret );
+                    idle(&client_fd, ret);
 #endif
                 }
 
                 continue;
             }
 
-            if( ret <= 0 )
-            {
-                switch( ret )
-                {
+            if (ret <= 0) {
+                switch (ret) {
                     case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                        mbedtls_printf( " connection was closed gracefully\n" );
+                        mbedtls_printf(" connection was closed gracefully\n");
                         goto close_notify;
 
                     case 0:
                     case MBEDTLS_ERR_NET_CONN_RESET:
-                        mbedtls_printf( " connection was reset by peer\n" );
+                        mbedtls_printf(" connection was reset by peer\n");
                         ret = MBEDTLS_ERR_NET_CONN_RESET;
                         goto reset;
 
                     default:
-                        mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+                        mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret);
                         goto reset;
                 }
             }
 
-            if( mbedtls_ssl_get_bytes_avail( &ssl ) == 0 )
-            {
+            if (mbedtls_ssl_get_bytes_avail(&ssl) == 0) {
                 len = ret;
                 buf[len] = '\0';
-                mbedtls_printf( " %d bytes read\n\n%s\n", len, (char *) buf );
+                mbedtls_printf(" %d bytes read\n\n%s\n", len, (char *) buf);
 
                 /* End of message should be detected according to the syntax of the
                  * application protocol (eg HTTP), just use a dummy test here. */
-                if( buf[len - 1] == '\n' )
+                if (buf[len - 1] == '\n') {
                     terminated = 1;
-            }
-            else
-            {
+                }
+            } else {
                 int extra_len, ori_len;
                 unsigned char *larger_buf;
 
                 ori_len = ret;
-                extra_len = (int) mbedtls_ssl_get_bytes_avail( &ssl );
+                extra_len = (int) mbedtls_ssl_get_bytes_avail(&ssl);
 
-                larger_buf = mbedtls_calloc( 1, ori_len + extra_len + 1 );
-                if( larger_buf == NULL )
-                {
-                    mbedtls_printf( "  ! memory allocation failed\n" );
+                larger_buf = mbedtls_calloc(1, ori_len + extra_len + 1);
+                if (larger_buf == NULL) {
+                    mbedtls_printf("  ! memory allocation failed\n");
                     ret = 1;
                     goto reset;
                 }
 
-                memset( larger_buf, 0, ori_len + extra_len );
-                memcpy( larger_buf, buf, ori_len );
+                memset(larger_buf, 0, ori_len + extra_len);
+                memcpy(larger_buf, buf, ori_len);
 
                 /* This read should never fail and get the whole cached data */
-                ret = mbedtls_ssl_read( &ssl, larger_buf + ori_len, extra_len );
-                if( ret != extra_len ||
-                    mbedtls_ssl_get_bytes_avail( &ssl ) != 0 )
-                {
-                    mbedtls_printf( "  ! mbedtls_ssl_read failed on cached data\n" );
+                ret = mbedtls_ssl_read(&ssl, larger_buf + ori_len, extra_len);
+                if (ret != extra_len ||
+                    mbedtls_ssl_get_bytes_avail(&ssl) != 0) {
+                    mbedtls_printf("  ! mbedtls_ssl_read failed on cached data\n");
                     ret = 1;
                     goto reset;
                 }
 
                 larger_buf[ori_len + extra_len] = '\0';
-                mbedtls_printf( " %d bytes read (%d + %d)\n\n%s\n",
-                        ori_len + extra_len, ori_len, extra_len,
-                        (char *) larger_buf );
+                mbedtls_printf(" %d bytes read (%d + %d)\n\n%s\n",
+                               ori_len + extra_len, ori_len, extra_len,
+                               (char *) larger_buf);
 
                 /* End of message should be detected according to the syntax of the
                  * application protocol (eg HTTP), just use a dummy test here. */
-                if( larger_buf[ori_len + extra_len - 1] == '\n' )
+                if (larger_buf[ori_len + extra_len - 1] == '\n') {
                     terminated = 1;
+                }
 
-                mbedtls_free( larger_buf );
+                mbedtls_free(larger_buf);
             }
 
-            if( terminated )
-            {
+            if (terminated) {
                 ret = 0;
                 break;
             }
-        }
-        while( 1 );
-    }
-    else /* Not stream, so datagram */
-    {
+        } while (1);
+    } else { /* Not stream, so datagram */
         len = opt.buffer_size;
-        memset( buf, 0, opt.buffer_size );
+        memset(buf, 0, opt.buffer_size);
 
-        do
-        {
+        do {
             /* Without the call to `mbedtls_ssl_check_pending`, it might
              * happen that the client sends application data in the same
              * datagram as the Finished message concluding the handshake.
@@ -4013,43 +3771,39 @@
              */
 
             /* For event-driven IO, wait for socket to become available */
-            if( mbedtls_ssl_check_pending( &ssl ) == 0 &&
-                opt.event == 1 /* level triggered IO */ )
-            {
+            if (mbedtls_ssl_check_pending(&ssl) == 0 &&
+                opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                idle( &client_fd, &timer, MBEDTLS_ERR_SSL_WANT_READ );
+                idle(&client_fd, &timer, MBEDTLS_ERR_SSL_WANT_READ);
 #else
-                idle( &client_fd, MBEDTLS_ERR_SSL_WANT_READ );
+                idle(&client_fd, MBEDTLS_ERR_SSL_WANT_READ);
 #endif
             }
 
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
             /* Note that even if `mbedtls_ssl_check_pending` returns true,
              * it can happen that the subsequent call to `mbedtls_ssl_read`
              * returns `MBEDTLS_ERR_SSL_WANT_READ`, because the pending messages
              * might be discarded (e.g. because they are retransmissions). */
-        }
-        while( mbedtls_status_is_ssl_in_progress( ret ) );
+        } while (mbedtls_status_is_ssl_in_progress(ret));
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( " connection was closed gracefully\n" );
+                    mbedtls_printf(" connection was closed gracefully\n");
                     ret = 0;
                     goto close_notify;
 
                 default:
-                    mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+                    mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret);
                     goto reset;
             }
         }
 
         len = ret;
         buf[len] = '\0';
-        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+        mbedtls_printf(" %d bytes read\n\n%s", len, (char *) buf);
         ret = 0;
     }
 
@@ -4058,124 +3812,113 @@
      * (only on the first exchange, to be able to test retransmission)
      */
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    if( opt.renegotiate && exchanges_left == opt.exchanges )
-    {
-        mbedtls_printf( "  . Requestion renegotiation..." );
-        fflush( stdout );
+    if (opt.renegotiate && exchanges_left == opt.exchanges) {
+        mbedtls_printf("  . Requestion renegotiation...");
+        fflush(stdout);
 
-        while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 )
-        {
-            if( ! mbedtls_status_is_ssl_in_progress( ret ) )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n", ret );
+        while ((ret = mbedtls_ssl_renegotiate(&ssl)) != 0) {
+            if (!mbedtls_status_is_ssl_in_progress(ret)) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n", ret);
                 goto reset;
             }
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
+            if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                idle( &client_fd, &timer, ret );
+                idle(&client_fd, &timer, ret);
 #else
-                idle( &client_fd, ret );
+                idle(&client_fd, ret);
 #endif
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif /* MBEDTLS_SSL_RENEGOTIATION */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    ret = report_cid_usage( &ssl, "after renegotiation" );
-    if( ret != 0 )
+    ret = report_cid_usage(&ssl, "after renegotiation");
+    if (ret != 0) {
         goto exit;
+    }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
     /*
      * 7. Write the 200 Response
      */
-    mbedtls_printf( "  > Write to client:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to client:");
+    fflush(stdout);
 
     /* If the format of the response changes, make sure there is enough
      * room in buf (buf_content_size calculation above). */
-    len = sprintf( (char *) buf, HTTP_RESPONSE,
-                   mbedtls_ssl_get_ciphersuite( &ssl ) );
+    len = sprintf((char *) buf, HTTP_RESPONSE,
+                  mbedtls_ssl_get_ciphersuite(&ssl));
 
     /* Add padding to the response to reach opt.response_size in length */
-    if( opt.response_size != DFL_RESPONSE_SIZE &&
-        len < opt.response_size )
-    {
-        memset( buf + len, 'B', opt.response_size - len );
+    if (opt.response_size != DFL_RESPONSE_SIZE &&
+        len < opt.response_size) {
+        memset(buf + len, 'B', opt.response_size - len);
         len += opt.response_size - len;
     }
 
     /* Truncate if response size is smaller than the "natural" size */
-    if( opt.response_size != DFL_RESPONSE_SIZE &&
-        len > opt.response_size )
-    {
+    if (opt.response_size != DFL_RESPONSE_SIZE &&
+        len > opt.response_size) {
         len = opt.response_size;
 
         /* Still end with \r\n unless that's really not possible */
-        if( len >= 2 ) buf[len - 2] = '\r';
-        if( len >= 1 ) buf[len - 1] = '\n';
+        if (len >= 2) {
+            buf[len - 2] = '\r';
+        }
+        if (len >= 1) {
+            buf[len - 1] = '\n';
+        }
     }
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
-    {
-        for( written = 0, frags = 0; written < len; written += ret, frags++ )
-        {
-            while( ( ret = mbedtls_ssl_write( &ssl, buf + written, len - written ) )
-                           <= 0 )
-            {
-                if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-                {
-                    mbedtls_printf( " failed\n  ! peer closed the connection\n\n" );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
+        for (written = 0, frags = 0; written < len; written += ret, frags++) {
+            while ((ret = mbedtls_ssl_write(&ssl, buf + written, len - written))
+                   <= 0) {
+                if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
+                    mbedtls_printf(" failed\n  ! peer closed the connection\n\n");
                     goto reset;
                 }
 
-                if( ! mbedtls_status_is_ssl_in_progress( ret ) )
-                {
-                    mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+                if (!mbedtls_status_is_ssl_in_progress(ret)) {
+                    mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
                     goto reset;
                 }
 
                 /* For event-driven IO, wait for socket to become available */
-                if( opt.event == 1 /* level triggered IO */ )
-                {
+                if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                    idle( &client_fd, &timer, ret );
+                    idle(&client_fd, &timer, ret);
 #else
-                    idle( &client_fd, ret );
+                    idle(&client_fd, ret);
 #endif
                 }
             }
         }
-    }
-    else /* Not stream, so datagram */
-    {
-        while( 1 )
-        {
-            ret = mbedtls_ssl_write( &ssl, buf, len );
+    } else { /* Not stream, so datagram */
+        while (1) {
+            ret = mbedtls_ssl_write(&ssl, buf, len);
 
-            if( ! mbedtls_status_is_ssl_in_progress( ret ) )
+            if (!mbedtls_status_is_ssl_in_progress(ret)) {
                 break;
+            }
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
+            if (opt.event == 1 /* level triggered IO */) {
 #if defined(MBEDTLS_TIMING_C)
-                idle( &client_fd, &timer, ret );
+                idle(&client_fd, &timer, ret);
 #else
-                idle( &client_fd, ret );
+                idle(&client_fd, ret);
 #endif
             }
         }
 
-        if( ret < 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+        if (ret < 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
             goto reset;
         }
 
@@ -4184,96 +3927,87 @@
     }
 
     buf[written] = '\0';
-    mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf );
+    mbedtls_printf(" %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf);
     ret = 0;
 
     /*
      * 7b. Simulate serialize/deserialize and go back to data exchange
      */
 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-    if( opt.serialize != 0 )
-    {
+    if (opt.serialize != 0) {
         size_t buf_len;
 
-        mbedtls_printf( "  . Serializing live connection..." );
+        mbedtls_printf("  . Serializing live connection...");
 
-        ret = mbedtls_ssl_context_save( &ssl, NULL, 0, &buf_len );
-        if( ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_context_save returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        ret = mbedtls_ssl_context_save(&ssl, NULL, 0, &buf_len);
+        if (ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_context_save returned "
+                           "-0x%x\n\n", (unsigned int) -ret);
 
             goto exit;
         }
 
-        if( ( context_buf = mbedtls_calloc( 1, buf_len ) ) == NULL )
-        {
-            mbedtls_printf( " failed\n  ! Couldn't allocate buffer for "
-                            "serialized context" );
+        if ((context_buf = mbedtls_calloc(1, buf_len)) == NULL) {
+            mbedtls_printf(" failed\n  ! Couldn't allocate buffer for "
+                           "serialized context");
 
             goto exit;
         }
         context_buf_len = buf_len;
 
-        if( ( ret = mbedtls_ssl_context_save( &ssl, context_buf,
-                                              buf_len, &buf_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_context_save returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_context_save(&ssl, context_buf,
+                                            buf_len, &buf_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_context_save returned "
+                           "-0x%x\n\n", (unsigned int) -ret);
 
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /* Save serialized context to the 'opt.context_file' as a base64 code */
-        if( 0 < strlen( opt.context_file ) )
-        {
+        if (0 < strlen(opt.context_file)) {
             FILE *b64_file;
             uint8_t *b64_buf;
             size_t b64_len;
 
-            mbedtls_printf( "  . Save serialized context to a file... " );
+            mbedtls_printf("  . Save serialized context to a file... ");
 
-            mbedtls_base64_encode( NULL, 0, &b64_len, context_buf, buf_len );
+            mbedtls_base64_encode(NULL, 0, &b64_len, context_buf, buf_len);
 
-            if( ( b64_buf = mbedtls_calloc( 1, b64_len ) ) == NULL )
-            {
-                mbedtls_printf( "failed\n  ! Couldn't allocate buffer for "
-                                "the base64 code\n" );
+            if ((b64_buf = mbedtls_calloc(1, b64_len)) == NULL) {
+                mbedtls_printf("failed\n  ! Couldn't allocate buffer for "
+                               "the base64 code\n");
                 goto exit;
             }
 
-            if( ( ret = mbedtls_base64_encode( b64_buf, b64_len, &b64_len,
-                                               context_buf, buf_len ) ) != 0 )
-            {
-                mbedtls_printf( "failed\n  ! mbedtls_base64_encode returned "
-                            "-0x%x\n", (unsigned int) -ret );
-                mbedtls_free( b64_buf );
+            if ((ret = mbedtls_base64_encode(b64_buf, b64_len, &b64_len,
+                                             context_buf, buf_len)) != 0) {
+                mbedtls_printf("failed\n  ! mbedtls_base64_encode returned "
+                               "-0x%x\n", (unsigned int) -ret);
+                mbedtls_free(b64_buf);
                 goto exit;
             }
 
-            if( ( b64_file = fopen( opt.context_file, "w" ) ) == NULL )
-            {
-                mbedtls_printf( "failed\n  ! Cannot open '%s' for writing.\n",
-                                opt.context_file );
-                mbedtls_free( b64_buf );
+            if ((b64_file = fopen(opt.context_file, "w")) == NULL) {
+                mbedtls_printf("failed\n  ! Cannot open '%s' for writing.\n",
+                               opt.context_file);
+                mbedtls_free(b64_buf);
                 goto exit;
             }
 
-            if( b64_len != fwrite( b64_buf, 1, b64_len, b64_file ) )
-            {
-                mbedtls_printf( "failed\n  ! fwrite(%ld bytes) failed\n",
-                                (long) b64_len );
-                mbedtls_free( b64_buf );
-                fclose( b64_file );
+            if (b64_len != fwrite(b64_buf, 1, b64_len, b64_file)) {
+                mbedtls_printf("failed\n  ! fwrite(%ld bytes) failed\n",
+                               (long) b64_len);
+                mbedtls_free(b64_buf);
+                fclose(b64_file);
                 goto exit;
             }
 
-            mbedtls_free( b64_buf );
-            fclose( b64_file );
+            mbedtls_free(b64_buf);
+            fclose(b64_file);
 
-            mbedtls_printf( "ok\n" );
+            mbedtls_printf("ok\n");
         }
 
         /*
@@ -4283,10 +4017,9 @@
          * case you can just reset() it, and then it's ready to receive
          * serialized data from another connection (or the same here).
          */
-        if( opt.serialize == 1 )
-        {
+        if (opt.serialize == 1) {
             /* nothing to do here, done by context_save() already */
-            mbedtls_printf( "  . Context has been reset... ok\n" );
+            mbedtls_printf("  . Context has been reset... ok\n");
         }
 
         /*
@@ -4297,18 +4030,16 @@
          * teardown/startup code needed - for example, preparing the
          * ssl_config again (see section 3 "setup stuff" in this file).
          */
-        if( opt.serialize == 2 )
-        {
-            mbedtls_printf( "  . Freeing and reinitializing context..." );
+        if (opt.serialize == 2) {
+            mbedtls_printf("  . Freeing and reinitializing context...");
 
-            mbedtls_ssl_free( &ssl );
+            mbedtls_ssl_free(&ssl);
 
-            mbedtls_ssl_init( &ssl );
+            mbedtls_ssl_init(&ssl);
 
-            if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned "
-                                "-0x%x\n\n", (unsigned int) -ret );
+            if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned "
+                               "-0x%x\n\n", (unsigned int) -ret);
                 goto exit;
             }
 
@@ -4318,60 +4049,62 @@
              * if you want to share your set up code between the case of
              * establishing a new connection and this case.
              */
-            if( opt.nbio == 2 )
-                mbedtls_ssl_set_bio( &ssl, &client_fd, delayed_send,
-                                     delayed_recv, NULL );
-            else
-                mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send,
-                            mbedtls_net_recv,
-                            opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL );
+            if (opt.nbio == 2) {
+                mbedtls_ssl_set_bio(&ssl, &client_fd, delayed_send,
+                                    delayed_recv, NULL);
+            } else {
+                mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send,
+                                    mbedtls_net_recv,
+                                    opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL);
+            }
 
 #if defined(MBEDTLS_TIMING_C)
-                mbedtls_ssl_set_timer_cb( &ssl, &timer,
-                                          mbedtls_timing_set_delay,
-                                          mbedtls_timing_get_delay );
+            mbedtls_ssl_set_timer_cb(&ssl, &timer,
+                                     mbedtls_timing_set_delay,
+                                     mbedtls_timing_get_delay);
 #endif /* MBEDTLS_TIMING_C */
 
-            mbedtls_printf( " ok\n" );
+            mbedtls_printf(" ok\n");
         }
 
-        mbedtls_printf( "  . Deserializing connection..." );
+        mbedtls_printf("  . Deserializing connection...");
 
-        if( ( ret = mbedtls_ssl_context_load( &ssl, context_buf,
-                                              buf_len ) ) != 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_context_load returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_context_load(&ssl, context_buf,
+                                            buf_len)) != 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_context_load returned "
+                           "-0x%x\n\n", (unsigned int) -ret);
 
             goto exit;
         }
 
-        mbedtls_free( context_buf );
+        mbedtls_free(context_buf);
         context_buf = NULL;
         context_buf_len = 0;
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
 
     /*
      * 7c. Continue doing data exchanges?
      */
-    if( --exchanges_left > 0 )
+    if (--exchanges_left > 0) {
         goto data_exchange;
+    }
 
     /*
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    mbedtls_printf( "  . Closing the connection..." );
+    mbedtls_printf("  . Closing the connection...");
 
     /* No error checking, the connection might be closed already */
-    do ret = mbedtls_ssl_close_notify( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do {
+        ret = mbedtls_ssl_close_notify(&ssl);
+    } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
     ret = 0;
 
-    mbedtls_printf( " done\n" );
+    mbedtls_printf(" done\n");
 
     goto reset;
 
@@ -4380,75 +4113,73 @@
      */
 exit:
 #ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf);
     }
 #endif
 
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-    {
-        mbedtls_printf( "  . Cleaning up..." );
-        fflush( stdout );
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        mbedtls_printf("  . Cleaning up...");
+        fflush(stdout);
     }
 
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
 
 #if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
+    mbedtls_ssl_cache_free(&cache);
 #endif
 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
-    mbedtls_ssl_ticket_free( &ticket_ctx );
+    mbedtls_ssl_ticket_free(&ticket_ctx);
 #endif
 #if defined(MBEDTLS_SSL_COOKIE_C)
-    mbedtls_ssl_cookie_free( &cookie_ctx );
+    mbedtls_ssl_cookie_free(&cookie_ctx);
 #endif
 
 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-    if( context_buf != NULL )
-        mbedtls_platform_zeroize( context_buf, context_buf_len );
-    mbedtls_free( context_buf );
+    if (context_buf != NULL) {
+        mbedtls_platform_zeroize(context_buf, context_buf_len);
+    }
+    mbedtls_free(context_buf);
 #endif
 
 #if defined(SNI_OPTION)
-    sni_free( sni_info );
+    sni_free(sni_info);
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
-    ret = psk_free( psk_info );
-    if( ( ret != 0 ) && ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
-        mbedtls_printf( "Failed to list of opaque PSKs - error was %d\n", ret );
+    ret = psk_free(psk_info);
+    if ((ret != 0) && (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) {
+        mbedtls_printf("Failed to list of opaque PSKs - error was %d\n", ret);
+    }
 #endif
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_x509_crt_free( &srvcert2 );
-    mbedtls_pk_free( &pkey2 );
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_x509_crt_free(&srvcert2);
+    mbedtls_pk_free(&pkey2);
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    psa_destroy_key( key_slot );
-    psa_destroy_key( key_slot2 );
+    psa_destroy_key(key_slot);
+    psa_destroy_key(key_slot2);
 #endif
 #endif
 
 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
-    mbedtls_dhm_free( &dhm );
+    mbedtls_dhm_free(&dhm);
 #endif
 
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-    for( i = 0; (size_t) i < ssl_async_keys.slots_used; i++ )
-    {
-        if( ssl_async_keys.slots[i].pk_owned )
-        {
-            mbedtls_pk_free( ssl_async_keys.slots[i].pk );
-            mbedtls_free( ssl_async_keys.slots[i].pk );
+    for (i = 0; (size_t) i < ssl_async_keys.slots_used; i++) {
+        if (ssl_async_keys.slots[i].pk_owned) {
+            mbedtls_pk_free(ssl_async_keys.slots[i].pk);
+            mbedtls_free(ssl_async_keys.slots[i].pk);
             ssl_async_keys.slots[i].pk = NULL;
         }
     }
@@ -4456,19 +4187,17 @@
 
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) && \
     defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
+    if (opt.psk_opaque != 0) {
         /* This is ok even if the slot hasn't been
          * initialized (we might have jumed here
          * immediately because of bad cmd line params,
          * for example). */
-        status = psa_destroy_key( psk_slot );
-        if( ( status != PSA_SUCCESS ) &&
-            ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
-        {
-            mbedtls_printf( "Failed to destroy key slot %u - error was %d",
-                            (unsigned) MBEDTLS_SVC_KEY_ID_GET_KEY_ID( psk_slot ),
-                            (int) status );
+        status = psa_destroy_key(psk_slot);
+        if ((status != PSA_SUCCESS) &&
+            (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) {
+            mbedtls_printf("Failed to destroy key slot %u - error was %d",
+                           (unsigned) MBEDTLS_SVC_KEY_ID_GET_KEY_ID(psk_slot),
+                           (int) status);
         }
     }
 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED &&
@@ -4480,60 +4209,56 @@
      * In case opaque keys it's the user responsibility to keep the key valid
      * for the duration of the handshake and destroy it at the end
      */
-    if( ( opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE ) )
-    {
+    if ((opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE)) {
         psa_key_attributes_t check_attributes = PSA_KEY_ATTRIBUTES_INIT;
 
         /* Verify that the key is still valid before destroying it */
-        if( psa_get_key_attributes( ecjpake_pw_slot, &check_attributes ) !=
-                PSA_SUCCESS )
-        {
-            if( ret == 0 )
+        if (psa_get_key_attributes(ecjpake_pw_slot, &check_attributes) !=
+            PSA_SUCCESS) {
+            if (ret == 0) {
                 ret = 1;
-            mbedtls_printf( "The EC J-PAKE password key has unexpectedly been already destroyed\n" );
-        }
-        else
-        {
-            psa_destroy_key( ecjpake_pw_slot );
+            }
+            mbedtls_printf("The EC J-PAKE password key has unexpectedly been already destroyed\n");
+        } else {
+            psa_destroy_key(ecjpake_pw_slot);
         }
     }
 #endif  /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED && MBEDTLS_USE_PSA_CRYPTO */
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
-    const char* message = mbedtls_test_helper_is_psa_leaking();
-    if( message )
-    {
-        if( ret == 0 )
+    const char *message = mbedtls_test_helper_is_psa_leaking();
+    if (message) {
+        if (ret == 0) {
             ret = 1;
-        mbedtls_printf( "PSA memory leak detected: %s\n",  message);
+        }
+        mbedtls_printf("PSA memory leak detected: %s\n",  message);
     }
 #endif
 
     /* For builds with MBEDTLS_TEST_USE_PSA_CRYPTO_RNG psa crypto
      * resources are freed by rng_free(). */
-#if ( defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3) ) \
+#if (defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)) \
     && !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
-    mbedtls_psa_crypto_free( );
+    mbedtls_psa_crypto_free();
 #endif
 
-    rng_free( &rng );
+    rng_free(&rng);
 
-    mbedtls_free( buf );
+    mbedtls_free(buf);
 
 #if defined(MBEDTLS_TEST_HOOKS)
     /* Let test hooks detect errors such as resource leaks.
      * Don't do it in query_config mode, because some test code prints
      * information to stdout and this gets mixed with the regular output. */
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-    {
-        if( test_hooks_failure_detected( ) )
-        {
-            if( ret == 0 )
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        if (test_hooks_failure_detected()) {
+            if (ret == 0) {
                 ret = 1;
-            mbedtls_printf( "Test hooks detected errors.\n" );
+            }
+            mbedtls_printf("Test hooks detected errors.\n");
         }
     }
-    test_hooks_free( );
+    test_hooks_free();
 #endif /* MBEDTLS_TEST_HOOKS */
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
@@ -4543,18 +4268,19 @@
     mbedtls_memory_buffer_alloc_free();
 #endif  /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
 
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-    {
-        mbedtls_printf( " done.\n" );
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        mbedtls_printf(" done.\n");
     }
 
     // Shell can not handle large exit numbers -> 1 for errors
-    if( ret < 0 )
+    if (ret < 0) {
         ret = 1;
+    }
 
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-        mbedtls_exit( ret );
-    else
-        mbedtls_exit( query_config_ret );
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        mbedtls_exit(ret);
+    } else {
+        mbedtls_exit(query_config_ret);
+    }
 }
 #endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
diff --git a/programs/ssl/ssl_test_common_source.c b/programs/ssl/ssl_test_common_source.c
index 42d8d11..9115cd1 100644
--- a/programs/ssl/ssl_test_common_source.c
+++ b/programs/ssl/ssl_test_common_source.c
@@ -24,174 +24,176 @@
  *  limitations under the License.
  */
 
-void eap_tls_key_derivation( void *p_expkey,
-                             mbedtls_ssl_key_export_type secret_type,
-                             const unsigned char *secret,
-                             size_t secret_len,
-                             const unsigned char client_random[32],
-                             const unsigned char server_random[32],
-                             mbedtls_tls_prf_types tls_prf_type )
+void eap_tls_key_derivation(void *p_expkey,
+                            mbedtls_ssl_key_export_type secret_type,
+                            const unsigned char *secret,
+                            size_t secret_len,
+                            const unsigned char client_random[32],
+                            const unsigned char server_random[32],
+                            mbedtls_tls_prf_types tls_prf_type)
 {
-    eap_tls_keys *keys = (eap_tls_keys *)p_expkey;
+    eap_tls_keys *keys = (eap_tls_keys *) p_expkey;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET) {
         return;
-    if( secret_len != sizeof( keys->master_secret ) )
+    }
+    if (secret_len != sizeof(keys->master_secret)) {
         return;
+    }
 
-    memcpy( keys->master_secret, secret, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
+    memcpy(keys->master_secret, secret, sizeof(keys->master_secret));
+    memcpy(keys->randbytes, client_random, 32);
+    memcpy(keys->randbytes + 32, server_random, 32);
     keys->tls_prf_type = tls_prf_type;
 }
 
-void nss_keylog_export( void *p_expkey,
-                        mbedtls_ssl_key_export_type secret_type,
-                        const unsigned char *secret,
-                        size_t secret_len,
-                        const unsigned char client_random[32],
-                        const unsigned char server_random[32],
-                        mbedtls_tls_prf_types tls_prf_type )
+void nss_keylog_export(void *p_expkey,
+                       mbedtls_ssl_key_export_type secret_type,
+                       const unsigned char *secret,
+                       size_t secret_len,
+                       const unsigned char client_random[32],
+                       const unsigned char server_random[32],
+                       mbedtls_tls_prf_types tls_prf_type)
 {
-    char nss_keylog_line[ 200 ];
+    char nss_keylog_line[200];
     size_t const client_random_len = 32;
     size_t len = 0;
     size_t j;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET) {
         return;
+    }
 
     ((void) p_expkey);
     ((void) server_random);
     ((void) tls_prf_type);
 
-    len += sprintf( nss_keylog_line + len,
-                    "%s", "CLIENT_RANDOM " );
+    len += sprintf(nss_keylog_line + len,
+                   "%s", "CLIENT_RANDOM ");
 
-    for( j = 0; j < client_random_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", client_random[j] );
+    for (j = 0; j < client_random_len; j++) {
+        len += sprintf(nss_keylog_line + len,
+                       "%02x", client_random[j]);
     }
 
-    len += sprintf( nss_keylog_line + len, " " );
+    len += sprintf(nss_keylog_line + len, " ");
 
-    for( j = 0; j < secret_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", secret[j] );
+    for (j = 0; j < secret_len; j++) {
+        len += sprintf(nss_keylog_line + len,
+                       "%02x", secret[j]);
     }
 
-    len += sprintf( nss_keylog_line + len, "\n" );
-    nss_keylog_line[ len ] = '\0';
+    len += sprintf(nss_keylog_line + len, "\n");
+    nss_keylog_line[len] = '\0';
 
-    mbedtls_printf( "\n" );
-    mbedtls_printf( "---------------- NSS KEYLOG -----------------\n" );
-    mbedtls_printf( "%s", nss_keylog_line );
-    mbedtls_printf( "---------------------------------------------\n" );
+    mbedtls_printf("\n");
+    mbedtls_printf("---------------- NSS KEYLOG -----------------\n");
+    mbedtls_printf("%s", nss_keylog_line);
+    mbedtls_printf("---------------------------------------------\n");
 
-    if( opt.nss_keylog_file != NULL )
-    {
+    if (opt.nss_keylog_file != NULL) {
         FILE *f;
 
-        if( ( f = fopen( opt.nss_keylog_file, "a" ) ) == NULL )
-        {
+        if ((f = fopen(opt.nss_keylog_file, "a")) == NULL) {
             goto exit;
         }
 
         /* Ensure no stdio buffering of secrets, as such buffers cannot be
          * wiped. */
-        mbedtls_setbuf( f, NULL );
+        mbedtls_setbuf(f, NULL);
 
-        if( fwrite( nss_keylog_line, 1, len, f ) != len )
-        {
-            fclose( f );
+        if (fwrite(nss_keylog_line, 1, len, f) != len) {
+            fclose(f);
             goto exit;
         }
 
-        fclose( f );
+        fclose(f);
     }
 
 exit:
-    mbedtls_platform_zeroize( nss_keylog_line,
-                              sizeof( nss_keylog_line ) );
+    mbedtls_platform_zeroize(nss_keylog_line,
+                             sizeof(nss_keylog_line));
 }
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-void dtls_srtp_key_derivation( void *p_expkey,
-                               mbedtls_ssl_key_export_type secret_type,
-                               const unsigned char *secret,
-                               size_t secret_len,
-                               const unsigned char client_random[32],
-                               const unsigned char server_random[32],
-                               mbedtls_tls_prf_types tls_prf_type )
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+void dtls_srtp_key_derivation(void *p_expkey,
+                              mbedtls_ssl_key_export_type secret_type,
+                              const unsigned char *secret,
+                              size_t secret_len,
+                              const unsigned char client_random[32],
+                              const unsigned char server_random[32],
+                              mbedtls_tls_prf_types tls_prf_type)
 {
-    dtls_srtp_keys *keys = (dtls_srtp_keys *)p_expkey;
+    dtls_srtp_keys *keys = (dtls_srtp_keys *) p_expkey;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET) {
         return;
-    if( secret_len != sizeof( keys->master_secret ) )
+    }
+    if (secret_len != sizeof(keys->master_secret)) {
         return;
+    }
 
-    memcpy( keys->master_secret, secret, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
+    memcpy(keys->master_secret, secret, sizeof(keys->master_secret));
+    memcpy(keys->randbytes, client_random, 32);
+    memcpy(keys->randbytes + 32, server_random, 32);
     keys->tls_prf_type = tls_prf_type;
 }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
-int ssl_check_record( mbedtls_ssl_context const *ssl,
-                      unsigned char const *buf, size_t len )
+int ssl_check_record(mbedtls_ssl_context const *ssl,
+                     unsigned char const *buf, size_t len)
 {
     int my_ret = 0, ret_cr1, ret_cr2;
     unsigned char *tmp_buf;
 
     /* Record checking may modify the input buffer,
      * so make a copy. */
-    tmp_buf = mbedtls_calloc( 1, len );
-    if( tmp_buf == NULL )
-        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
-    memcpy( tmp_buf, buf, len );
+    tmp_buf = mbedtls_calloc(1, len);
+    if (tmp_buf == NULL) {
+        return MBEDTLS_ERR_SSL_ALLOC_FAILED;
+    }
+    memcpy(tmp_buf, buf, len);
 
-    ret_cr1 = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-    if( ret_cr1 != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE )
-    {
+    ret_cr1 = mbedtls_ssl_check_record(ssl, tmp_buf, len);
+    if (ret_cr1 != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE) {
         /* Test-only: Make sure that mbedtls_ssl_check_record()
          *            doesn't alter state. */
-        memcpy( tmp_buf, buf, len ); /* Restore buffer */
-        ret_cr2 = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-        if( ret_cr2 != ret_cr1 )
-        {
-            mbedtls_printf( "mbedtls_ssl_check_record() returned inconsistent results.\n" );
+        memcpy(tmp_buf, buf, len);   /* Restore buffer */
+        ret_cr2 = mbedtls_ssl_check_record(ssl, tmp_buf, len);
+        if (ret_cr2 != ret_cr1) {
+            mbedtls_printf("mbedtls_ssl_check_record() returned inconsistent results.\n");
             my_ret = -1;
             goto cleanup;
         }
 
-        switch( ret_cr1 )
-        {
+        switch (ret_cr1) {
             case 0:
                 break;
 
             case MBEDTLS_ERR_SSL_INVALID_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected invalid record.\n" );
+                if (opt.debug_level > 1) {
+                    mbedtls_printf("mbedtls_ssl_check_record() detected invalid record.\n");
+                }
                 break;
 
             case MBEDTLS_ERR_SSL_INVALID_MAC:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unauthentic record.\n" );
+                if (opt.debug_level > 1) {
+                    mbedtls_printf("mbedtls_ssl_check_record() detected unauthentic record.\n");
+                }
                 break;
 
             case MBEDTLS_ERR_SSL_UNEXPECTED_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unexpected record.\n" );
+                if (opt.debug_level > 1) {
+                    mbedtls_printf("mbedtls_ssl_check_record() detected unexpected record.\n");
+                }
                 break;
 
             default:
-                mbedtls_printf( "mbedtls_ssl_check_record() failed fatally with -%#04x.\n", (unsigned int) -ret_cr1 );
+                mbedtls_printf("mbedtls_ssl_check_record() failed fatally with -%#04x.\n",
+                               (unsigned int) -ret_cr1);
                 my_ret = -1;
                 goto cleanup;
         }
@@ -200,69 +202,73 @@
     }
 
 cleanup:
-    mbedtls_free( tmp_buf );
+    mbedtls_free(tmp_buf);
 
-    return( my_ret );
+    return my_ret;
 }
 
-int recv_cb( void *ctx, unsigned char *buf, size_t len )
+int recv_cb(void *ctx, unsigned char *buf, size_t len)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *) ctx;
     size_t recv_len;
     int ret;
 
-    if( opt.nbio == 2 )
-        ret = delayed_recv( io_ctx->net, buf, len );
-    else
-        ret = mbedtls_net_recv( io_ctx->net, buf, len );
-    if( ret < 0 )
-        return( ret );
+    if (opt.nbio == 2) {
+        ret = delayed_recv(io_ctx->net, buf, len);
+    } else {
+        ret = mbedtls_net_recv(io_ctx->net, buf, len);
+    }
+    if (ret < 0) {
+        return ret;
+    }
     recv_len = (size_t) ret;
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
         /* Here's the place to do any datagram/record checking
          * in between receiving the packet from the underlying
          * transport and passing it on to the TLS stack. */
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return( -1 );
+        if (ssl_check_record(io_ctx->ssl, buf, recv_len) != 0) {
+            return -1;
+        }
     }
 
-    return( (int) recv_len );
+    return (int) recv_len;
 }
 
-int recv_timeout_cb( void *ctx, unsigned char *buf, size_t len,
-                     uint32_t timeout )
+int recv_timeout_cb(void *ctx, unsigned char *buf, size_t len,
+                    uint32_t timeout)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *) ctx;
     int ret;
     size_t recv_len;
 
-    ret = mbedtls_net_recv_timeout( io_ctx->net, buf, len, timeout );
-    if( ret < 0 )
-        return( ret );
+    ret = mbedtls_net_recv_timeout(io_ctx->net, buf, len, timeout);
+    if (ret < 0) {
+        return ret;
+    }
     recv_len = (size_t) ret;
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
         /* Here's the place to do any datagram/record checking
          * in between receiving the packet from the underlying
          * transport and passing it on to the TLS stack. */
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return( -1 );
+        if (ssl_check_record(io_ctx->ssl, buf, recv_len) != 0) {
+            return -1;
+        }
     }
 
-    return( (int) recv_len );
+    return (int) recv_len;
 }
 
-int send_cb( void *ctx, unsigned char const *buf, size_t len )
+int send_cb(void *ctx, unsigned char const *buf, size_t len)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *) ctx;
 
-    if( opt.nbio == 2 )
-        return( delayed_send( io_ctx->net, buf, len ) );
+    if (opt.nbio == 2) {
+        return delayed_send(io_ctx->net, buf, len);
+    }
 
-    return( mbedtls_net_send( io_ctx->net, buf, len ) );
+    return mbedtls_net_send(io_ctx->net, buf, len);
 }
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
@@ -276,46 +282,46 @@
  *   for its signature in the key exchange message. As Mbed TLS 1.2 does not
  *   support them, the handshake fails.
  */
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_ECDSA), \
-                                    (( hash << 8 ) | MBEDTLS_SSL_SIG_RSA), \
-                                    ( 0x800 | hash ),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_ECDSA), \
+    ((hash << 8) | MBEDTLS_SSL_SIG_RSA), \
+    (0x800 | hash),
 #else
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_ECDSA), \
-                                    (( hash << 8 ) | MBEDTLS_SSL_SIG_RSA),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_ECDSA), \
+    ((hash << 8) | MBEDTLS_SSL_SIG_RSA),
 #endif
 #elif defined(MBEDTLS_ECDSA_C)
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_ECDSA),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_ECDSA),
 #elif defined(MBEDTLS_RSA_C)
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 /* See above */
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_RSA), \
-                                    ( 0x800 | hash ),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_RSA), \
+    (0x800 | hash),
 #else
-#define MBEDTLS_SSL_SIG_ALG( hash ) (( hash << 8 ) | MBEDTLS_SSL_SIG_RSA),
+#define MBEDTLS_SSL_SIG_ALG(hash) ((hash << 8) | MBEDTLS_SSL_SIG_RSA),
 #endif
 #else
-#define MBEDTLS_SSL_SIG_ALG( hash )
+#define MBEDTLS_SSL_SIG_ALG(hash)
 #endif
 
 uint16_t ssl_sig_algs_for_test[] = {
 #if defined(MBEDTLS_HAS_ALG_SHA_512_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA512 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA512)
 #endif
 #if defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA384 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA384)
 #endif
 #if defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA256 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA256)
 #endif
 #if defined(MBEDTLS_HAS_ALG_SHA_224_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA224 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA224)
 #endif
 #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
     MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256,
 #endif /* MBEDTLS_RSA_C && MBEDTLS_SHA256_C */
 #if defined(MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA_BASED_ON_USE_PSA)
     /* Allow SHA-1 as we use it extensively in tests. */
-    MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_HASH_SHA1 )
+    MBEDTLS_SSL_SIG_ALG(MBEDTLS_SSL_HASH_SHA1)
 #endif
     MBEDTLS_TLS1_3_SIG_NONE
 };
@@ -325,21 +331,21 @@
 /** Functionally equivalent to mbedtls_x509_crt_verify_info, see that function
  *  for more info.
  */
-int x509_crt_verify_info( char *buf, size_t size, const char *prefix,
-                          uint32_t flags )
+int x509_crt_verify_info(char *buf, size_t size, const char *prefix,
+                         uint32_t flags)
 {
 #if !defined(MBEDTLS_X509_REMOVE_INFO)
-    return( mbedtls_x509_crt_verify_info( buf, size, prefix, flags ) );
+    return mbedtls_x509_crt_verify_info(buf, size, prefix, flags);
 
 #else /* !MBEDTLS_X509_REMOVE_INFO */
     int ret;
     char *p = buf;
     size_t n = size;
 
-#define X509_CRT_ERROR_INFO( err, err_str, info )                      \
-    if( ( flags & err ) != 0 )                                         \
+#define X509_CRT_ERROR_INFO(err, err_str, info)                      \
+    if ((flags & err) != 0)                                         \
     {                                                                  \
-        ret = mbedtls_snprintf( p, n, "%s%s\n", prefix, info );        \
+        ret = mbedtls_snprintf(p, n, "%s%s\n", prefix, info);        \
         MBEDTLS_X509_SAFE_SNPRINTF;                                    \
         flags ^= err;                                                  \
     }
@@ -347,21 +353,20 @@
     MBEDTLS_X509_CRT_ERROR_INFO_LIST
 #undef X509_CRT_ERROR_INFO
 
-    if( flags != 0 )
-    {
-        ret = mbedtls_snprintf( p, n, "%sUnknown reason "
-                                       "(this should not happen)\n", prefix );
+    if (flags != 0) {
+        ret = mbedtls_snprintf(p, n, "%sUnknown reason "
+                                     "(this should not happen)\n", prefix);
         MBEDTLS_X509_SAFE_SNPRINTF;
     }
 
-    return( (int) ( size - n ) );
+    return (int) (size - n);
 #endif /* MBEDTLS_X509_REMOVE_INFO */
 }
 #endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-void mbedtls_print_supported_sig_algs( void )
+void mbedtls_print_supported_sig_algs(void)
 {
-    mbedtls_printf( "supported signature algorithms:\n" );
+    mbedtls_printf("supported signature algorithms:\n");
     mbedtls_printf("\trsa_pkcs1_sha256 ");
     mbedtls_printf("rsa_pkcs1_sha384 ");
     mbedtls_printf("rsa_pkcs1_sha512\n");
@@ -378,5 +383,5 @@
     mbedtls_printf("ed448 ");
     mbedtls_printf("rsa_pkcs1_sha1 ");
     mbedtls_printf("ecdsa_sha1\n");
-    mbedtls_printf( "\n" );
+    mbedtls_printf("\n");
 }
diff --git a/programs/ssl/ssl_test_lib.c b/programs/ssl/ssl_test_lib.c
index cf810a3..e3e3cac 100644
--- a/programs/ssl/ssl_test_lib.c
+++ b/programs/ssl/ssl_test_lib.c
@@ -30,24 +30,26 @@
 
 #if !defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
 
-void my_debug( void *ctx, int level,
-               const char *file, int line,
-               const char *str )
+void my_debug(void *ctx, int level,
+              const char *file, int line,
+              const char *str)
 {
     const char *p, *basename;
 
     /* Extract basename from file */
-    for( p = basename = file; *p != '\0'; p++ )
-        if( *p == '/' || *p == '\\' )
+    for (p = basename = file; *p != '\0'; p++) {
+        if (*p == '/' || *p == '\\') {
             basename = p + 1;
+        }
+    }
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: |%d| %s",
-                     basename, line, level, str );
-    fflush( (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: |%d| %s",
+                    basename, line, level, str);
+    fflush((FILE *) ctx);
 }
 
 #if defined(MBEDTLS_HAVE_TIME)
-mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
+mbedtls_time_t dummy_constant_time(mbedtls_time_t *time)
 {
     (void) time;
     return 0x5af2a056;
@@ -55,74 +57,72 @@
 #endif
 
 #if !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
-static int dummy_entropy( void *data, unsigned char *output, size_t len )
+static int dummy_entropy(void *data, unsigned char *output, size_t len)
 {
     size_t i;
     int ret;
     (void) data;
 
-    ret = mbedtls_entropy_func( data, output, len );
-    for( i = 0; i < len; i++ )
-    {
+    ret = mbedtls_entropy_func(data, output, len);
+    for (i = 0; i < len; i++) {
         //replace result with pseudo random
         output[i] = (unsigned char) rand();
     }
-    return( ret );
+    return ret;
 }
 #endif
 
-void rng_init( rng_context_t *rng )
+void rng_init(rng_context_t *rng)
 {
 #if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
     (void) rng;
-    psa_crypto_init( );
+    psa_crypto_init();
 #else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 
 #if defined(MBEDTLS_CTR_DRBG_C)
-    mbedtls_ctr_drbg_init( &rng->drbg );
+    mbedtls_ctr_drbg_init(&rng->drbg);
 #elif defined(MBEDTLS_HMAC_DRBG_C)
-    mbedtls_hmac_drbg_init( &rng->drbg );
+    mbedtls_hmac_drbg_init(&rng->drbg);
 #else
 #error "No DRBG available"
 #endif
 
-    mbedtls_entropy_init( &rng->entropy );
+    mbedtls_entropy_init(&rng->entropy);
 #endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 }
 
-int rng_seed( rng_context_t *rng, int reproducible, const char *pers )
+int rng_seed(rng_context_t *rng, int reproducible, const char *pers)
 {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( reproducible )
-    {
-        mbedtls_fprintf( stderr,
-                         "MBEDTLS_USE_PSA_CRYPTO does not support reproducible mode.\n" );
-        return( -1 );
+    if (reproducible) {
+        mbedtls_fprintf(stderr,
+                        "MBEDTLS_USE_PSA_CRYPTO does not support reproducible mode.\n");
+        return -1;
     }
 #endif
 #if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
     /* The PSA crypto RNG does its own seeding. */
     (void) rng;
     (void) pers;
-    if( reproducible )
-    {
-        mbedtls_fprintf( stderr,
-                         "The PSA RNG does not support reproducible mode.\n" );
-        return( -1 );
+    if (reproducible) {
+        mbedtls_fprintf(stderr,
+                        "The PSA RNG does not support reproducible mode.\n");
+        return -1;
     }
-    return( 0 );
+    return 0;
 #else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
-    int ( *f_entropy )( void *, unsigned char *, size_t ) =
-        ( reproducible ? dummy_entropy : mbedtls_entropy_func );
+    int (*f_entropy)(void *, unsigned char *, size_t) =
+        (reproducible ? dummy_entropy : mbedtls_entropy_func);
 
-    if ( reproducible )
-        srand( 1 );
+    if (reproducible) {
+        srand(1);
+    }
 
 #if defined(MBEDTLS_CTR_DRBG_C)
-    int ret = mbedtls_ctr_drbg_seed( &rng->drbg,
-                                     f_entropy, &rng->entropy,
-                                     (const unsigned char *) pers,
-                                     strlen( pers ) );
+    int ret = mbedtls_ctr_drbg_seed(&rng->drbg,
+                                    f_entropy, &rng->entropy,
+                                    (const unsigned char *) pers,
+                                    strlen(pers));
 #elif defined(MBEDTLS_HMAC_DRBG_C)
 #if defined(MBEDTLS_SHA256_C)
     const mbedtls_md_type_t md_type = MBEDTLS_MD_SHA256;
@@ -131,61 +131,60 @@
 #else
 #error "No message digest available for HMAC_DRBG"
 #endif
-    int ret = mbedtls_hmac_drbg_seed( &rng->drbg,
-                                      mbedtls_md_info_from_type( md_type ),
-                                      f_entropy, &rng->entropy,
-                                      (const unsigned char *) pers,
-                                      strlen( pers ) );
+    int ret = mbedtls_hmac_drbg_seed(&rng->drbg,
+                                     mbedtls_md_info_from_type(md_type),
+                                     f_entropy, &rng->entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers));
 #else /* !defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_HMAC_DRBG_C) */
 #error "No DRBG available"
 #endif /* !defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_HMAC_DRBG_C) */
 
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned -0x%x\n",
-                        (unsigned int) -ret );
-        return( ret );
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned -0x%x\n",
+                       (unsigned int) -ret);
+        return ret;
     }
 #endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 
-    return( 0 );
+    return 0;
 }
 
-void rng_free( rng_context_t *rng )
+void rng_free(rng_context_t *rng)
 {
 #if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
     (void) rng;
     /* Deinitialize the PSA crypto subsystem. This deactivates all PSA APIs.
      * This is ok because none of our applications try to do any crypto after
      * deinitializing the RNG. */
-    mbedtls_psa_crypto_free( );
+    mbedtls_psa_crypto_free();
 #else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 
 #if defined(MBEDTLS_CTR_DRBG_C)
-    mbedtls_ctr_drbg_free( &rng->drbg );
+    mbedtls_ctr_drbg_free(&rng->drbg);
 #elif defined(MBEDTLS_HMAC_DRBG_C)
-    mbedtls_hmac_drbg_free( &rng->drbg );
+    mbedtls_hmac_drbg_free(&rng->drbg);
 #else
 #error "No DRBG available"
 #endif
 
-    mbedtls_entropy_free( &rng->entropy );
+    mbedtls_entropy_free(&rng->entropy);
 #endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 }
 
-int rng_get( void *p_rng, unsigned char *output, size_t output_len )
+int rng_get(void *p_rng, unsigned char *output, size_t output_len)
 {
 #if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
     (void) p_rng;
-    return( mbedtls_psa_get_random( MBEDTLS_PSA_RANDOM_STATE,
-                                    output, output_len ) );
+    return mbedtls_psa_get_random(MBEDTLS_PSA_RANDOM_STATE,
+                                  output, output_len);
 #else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
     rng_context_t *rng = p_rng;
 
 #if defined(MBEDTLS_CTR_DRBG_C)
-    return( mbedtls_ctr_drbg_random( &rng->drbg, output, output_len ) );
+    return mbedtls_ctr_drbg_random(&rng->drbg, output, output_len);
 #elif defined(MBEDTLS_HMAC_DRBG_C)
-    return( mbedtls_hmac_drbg_random( &rng->drbg, output, output_len ) );
+    return mbedtls_hmac_drbg_random(&rng->drbg, output, output_len);
 #else
 #error "No DRBG available"
 #endif
@@ -193,116 +192,93 @@
 #endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 }
 
-int key_opaque_alg_parse( const char *arg, const char **alg1, const char **alg2 )
+int key_opaque_alg_parse(const char *arg, const char **alg1, const char **alg2)
 {
-    char* separator;
-    if( ( separator = strchr( arg, ',' ) ) == NULL )
+    char *separator;
+    if ((separator = strchr(arg, ',')) == NULL) {
         return 1;
+    }
     *separator = '\0';
 
     *alg1 = arg;
     *alg2 = separator + 1;
 
-    if( strcmp( *alg1, "rsa-sign-pkcs1" ) != 0 &&
-        strcmp( *alg1, "rsa-sign-pss" ) != 0 &&
-        strcmp( *alg1, "rsa-sign-pss-sha256" ) != 0 &&
-        strcmp( *alg1, "rsa-sign-pss-sha384" ) != 0 &&
-        strcmp( *alg1, "rsa-sign-pss-sha512" ) != 0 &&
-        strcmp( *alg1, "rsa-decrypt" ) != 0 &&
-        strcmp( *alg1, "ecdsa-sign" ) != 0 &&
-        strcmp( *alg1, "ecdh" ) != 0 )
+    if (strcmp(*alg1, "rsa-sign-pkcs1") != 0 &&
+        strcmp(*alg1, "rsa-sign-pss") != 0 &&
+        strcmp(*alg1, "rsa-sign-pss-sha256") != 0 &&
+        strcmp(*alg1, "rsa-sign-pss-sha384") != 0 &&
+        strcmp(*alg1, "rsa-sign-pss-sha512") != 0 &&
+        strcmp(*alg1, "rsa-decrypt") != 0 &&
+        strcmp(*alg1, "ecdsa-sign") != 0 &&
+        strcmp(*alg1, "ecdh") != 0) {
         return 1;
+    }
 
-    if( strcmp( *alg2, "rsa-sign-pkcs1" ) != 0 &&
-        strcmp( *alg2, "rsa-sign-pss" ) != 0 &&
-        strcmp( *alg1, "rsa-sign-pss-sha256" ) != 0 &&
-        strcmp( *alg1, "rsa-sign-pss-sha384" ) != 0 &&
-        strcmp( *alg1, "rsa-sign-pss-sha512" ) != 0 &&
-        strcmp( *alg2, "rsa-decrypt" ) != 0 &&
-        strcmp( *alg2, "ecdsa-sign" ) != 0 &&
-        strcmp( *alg2, "ecdh" ) != 0 &&
-        strcmp( *alg2, "none" ) != 0 )
+    if (strcmp(*alg2, "rsa-sign-pkcs1") != 0 &&
+        strcmp(*alg2, "rsa-sign-pss") != 0 &&
+        strcmp(*alg1, "rsa-sign-pss-sha256") != 0 &&
+        strcmp(*alg1, "rsa-sign-pss-sha384") != 0 &&
+        strcmp(*alg1, "rsa-sign-pss-sha512") != 0 &&
+        strcmp(*alg2, "rsa-decrypt") != 0 &&
+        strcmp(*alg2, "ecdsa-sign") != 0 &&
+        strcmp(*alg2, "ecdh") != 0 &&
+        strcmp(*alg2, "none") != 0) {
         return 1;
+    }
 
     return 0;
 }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-int key_opaque_set_alg_usage( const char *alg1, const char *alg2,
-                              psa_algorithm_t *psa_alg1,
-                              psa_algorithm_t *psa_alg2,
-                              psa_key_usage_t *usage,
-                              mbedtls_pk_type_t key_type )
+int key_opaque_set_alg_usage(const char *alg1, const char *alg2,
+                             psa_algorithm_t *psa_alg1,
+                             psa_algorithm_t *psa_alg2,
+                             psa_key_usage_t *usage,
+                             mbedtls_pk_type_t key_type)
 {
-    if( strcmp( alg1, "none" ) != 0 )
-    {
-        const char * algs[] = { alg1, alg2 };
+    if (strcmp(alg1, "none") != 0) {
+        const char *algs[] = { alg1, alg2 };
         psa_algorithm_t *psa_algs[] = { psa_alg1, psa_alg2 };
 
-        for ( int i = 0; i < 2; i++ )
-        {
-            if( strcmp( algs[i], "rsa-sign-pkcs1" ) == 0 )
-            {
-                *psa_algs[i] = PSA_ALG_RSA_PKCS1V15_SIGN( PSA_ALG_ANY_HASH );
+        for (int i = 0; i < 2; i++) {
+            if (strcmp(algs[i], "rsa-sign-pkcs1") == 0) {
+                *psa_algs[i] = PSA_ALG_RSA_PKCS1V15_SIGN(PSA_ALG_ANY_HASH);
                 *usage |= PSA_KEY_USAGE_SIGN_HASH;
-            }
-            else if( strcmp( algs[i], "rsa-sign-pss" ) == 0 )
-            {
-                *psa_algs[i] = PSA_ALG_RSA_PSS( PSA_ALG_ANY_HASH );
+            } else if (strcmp(algs[i], "rsa-sign-pss") == 0) {
+                *psa_algs[i] = PSA_ALG_RSA_PSS(PSA_ALG_ANY_HASH);
                 *usage |= PSA_KEY_USAGE_SIGN_HASH;
-            }
-            else if( strcmp( algs[i], "rsa-sign-pss-sha256" ) == 0 )
-            {
-                *psa_algs[i] = PSA_ALG_RSA_PSS( PSA_ALG_SHA_256 );
+            } else if (strcmp(algs[i], "rsa-sign-pss-sha256") == 0) {
+                *psa_algs[i] = PSA_ALG_RSA_PSS(PSA_ALG_SHA_256);
                 *usage |= PSA_KEY_USAGE_SIGN_HASH;
-            }
-            else if( strcmp( algs[i], "rsa-sign-pss-sha384" ) == 0 )
-            {
-                *psa_algs[i] = PSA_ALG_RSA_PSS( PSA_ALG_SHA_384 );
+            } else if (strcmp(algs[i], "rsa-sign-pss-sha384") == 0) {
+                *psa_algs[i] = PSA_ALG_RSA_PSS(PSA_ALG_SHA_384);
                 *usage |= PSA_KEY_USAGE_SIGN_HASH;
-            }
-            else if( strcmp( algs[i], "rsa-sign-pss-sha512" ) == 0 )
-            {
-                *psa_algs[i] = PSA_ALG_RSA_PSS( PSA_ALG_SHA_512 );
+            } else if (strcmp(algs[i], "rsa-sign-pss-sha512") == 0) {
+                *psa_algs[i] = PSA_ALG_RSA_PSS(PSA_ALG_SHA_512);
                 *usage |= PSA_KEY_USAGE_SIGN_HASH;
-            }
-            else if( strcmp( algs[i], "rsa-decrypt" ) == 0 )
-            {
+            } else if (strcmp(algs[i], "rsa-decrypt") == 0) {
                 *psa_algs[i] = PSA_ALG_RSA_PKCS1V15_CRYPT;
                 *usage |= PSA_KEY_USAGE_DECRYPT;
-            }
-            else if( strcmp( algs[i], "ecdsa-sign" ) == 0 )
-            {
-                *psa_algs[i] = PSA_ALG_ECDSA( PSA_ALG_ANY_HASH );
+            } else if (strcmp(algs[i], "ecdsa-sign") == 0) {
+                *psa_algs[i] = PSA_ALG_ECDSA(PSA_ALG_ANY_HASH);
                 *usage |= PSA_KEY_USAGE_SIGN_HASH;
-            }
-            else if( strcmp( algs[i], "ecdh" ) == 0 )
-            {
+            } else if (strcmp(algs[i], "ecdh") == 0) {
                 *psa_algs[i] = PSA_ALG_ECDH;
                 *usage |= PSA_KEY_USAGE_DERIVE;
-            }
-            else if( strcmp( algs[i], "none" ) == 0 )
-            {
+            } else if (strcmp(algs[i], "none") == 0) {
                 *psa_algs[i] = PSA_ALG_NONE;
             }
         }
-    }
-    else
-    {
-        if( key_type == MBEDTLS_PK_ECKEY )
-        {
-            *psa_alg1 = PSA_ALG_ECDSA( PSA_ALG_ANY_HASH );
+    } else {
+        if (key_type == MBEDTLS_PK_ECKEY) {
+            *psa_alg1 = PSA_ALG_ECDSA(PSA_ALG_ANY_HASH);
             *psa_alg2 = PSA_ALG_ECDH;
             *usage = PSA_KEY_USAGE_SIGN_HASH | PSA_KEY_USAGE_DERIVE;
-        }
-        else if( key_type == MBEDTLS_PK_RSA )
-        {
-            *psa_alg1 = PSA_ALG_RSA_PKCS1V15_SIGN( PSA_ALG_ANY_HASH );
-            *psa_alg2 = PSA_ALG_RSA_PSS( PSA_ALG_ANY_HASH );
+        } else if (key_type == MBEDTLS_PK_RSA) {
+            *psa_alg1 = PSA_ALG_RSA_PKCS1V15_SIGN(PSA_ALG_ANY_HASH);
+            *psa_alg2 = PSA_ALG_RSA_PSS(PSA_ALG_ANY_HASH);
             *usage = PSA_KEY_USAGE_SIGN_HASH;
-        }
-        else
-        {
+        } else {
             return 1;
         }
     }
@@ -312,8 +288,8 @@
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-int ca_callback( void *data, mbedtls_x509_crt const *child,
-                 mbedtls_x509_crt **candidates )
+int ca_callback(void *data, mbedtls_x509_crt const *child,
+                mbedtls_x509_crt **candidates)
 {
     int ret = 0;
     mbedtls_x509_crt *ca = (mbedtls_x509_crt *) data;
@@ -329,25 +305,21 @@
      * and parent `Subject` field or matching key identifiers. */
     ((void) child);
 
-    first = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) );
-    if( first == NULL )
-    {
+    first = mbedtls_calloc(1, sizeof(mbedtls_x509_crt));
+    if (first == NULL) {
         ret = -1;
         goto exit;
     }
-    mbedtls_x509_crt_init( first );
+    mbedtls_x509_crt_init(first);
 
-    if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
-    {
+    if (mbedtls_x509_crt_parse_der(first, ca->raw.p, ca->raw.len) != 0) {
         ret = -1;
         goto exit;
     }
 
-    while( ca->next != NULL )
-    {
+    while (ca->next != NULL) {
         ca = ca->next;
-        if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
-        {
+        if (mbedtls_x509_crt_parse_der(first, ca->raw.p, ca->raw.len) != 0) {
             ret = -1;
             goto exit;
         }
@@ -355,122 +327,123 @@
 
 exit:
 
-    if( ret != 0 )
-    {
-        mbedtls_x509_crt_free( first );
-        mbedtls_free( first );
+    if (ret != 0) {
+        mbedtls_x509_crt_free(first);
+        mbedtls_free(first);
         first = NULL;
     }
 
     *candidates = first;
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 
-int delayed_recv( void *ctx, unsigned char *buf, size_t len )
+int delayed_recv(void *ctx, unsigned char *buf, size_t len)
 {
     static int first_try = 1;
     int ret;
 
-    if( first_try )
-    {
+    if (first_try) {
         first_try = 0;
-        return( MBEDTLS_ERR_SSL_WANT_READ );
+        return MBEDTLS_ERR_SSL_WANT_READ;
     }
 
-    ret = mbedtls_net_recv( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_SSL_WANT_READ )
+    ret = mbedtls_net_recv(ctx, buf, len);
+    if (ret != MBEDTLS_ERR_SSL_WANT_READ) {
         first_try = 1; /* Next call will be a new operation */
-    return( ret );
+    }
+    return ret;
 }
 
-int delayed_send( void *ctx, const unsigned char *buf, size_t len )
+int delayed_send(void *ctx, const unsigned char *buf, size_t len)
 {
     static int first_try = 1;
     int ret;
 
-    if( first_try )
-    {
+    if (first_try) {
         first_try = 0;
-        return( MBEDTLS_ERR_SSL_WANT_WRITE );
+        return MBEDTLS_ERR_SSL_WANT_WRITE;
     }
 
-    ret = mbedtls_net_send( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+    ret = mbedtls_net_send(ctx, buf, len);
+    if (ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
         first_try = 1; /* Next call will be a new operation */
-    return( ret );
+    }
+    return ret;
 }
 
 #if !defined(MBEDTLS_TIMING_C)
-int idle( mbedtls_net_context *fd,
-          int idle_reason )
+int idle(mbedtls_net_context *fd,
+         int idle_reason)
 #else
-int idle( mbedtls_net_context *fd,
-          mbedtls_timing_delay_context *timer,
-          int idle_reason )
+int idle(mbedtls_net_context *fd,
+         mbedtls_timing_delay_context *timer,
+         int idle_reason)
 #endif
 {
     int ret;
     int poll_type = 0;
 
-    if( idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE )
+    if (idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE) {
         poll_type = MBEDTLS_NET_POLL_WRITE;
-    else if( idle_reason == MBEDTLS_ERR_SSL_WANT_READ )
+    } else if (idle_reason == MBEDTLS_ERR_SSL_WANT_READ) {
         poll_type = MBEDTLS_NET_POLL_READ;
+    }
 #if !defined(MBEDTLS_TIMING_C)
-    else
-        return( 0 );
+    else {
+        return 0;
+    }
 #endif
 
-    while( 1 )
-    {
+    while (1) {
         /* Check if timer has expired */
 #if defined(MBEDTLS_TIMING_C)
-        if( timer != NULL &&
-            mbedtls_timing_get_delay( timer ) == 2 )
-        {
+        if (timer != NULL &&
+            mbedtls_timing_get_delay(timer) == 2) {
             break;
         }
 #endif /* MBEDTLS_TIMING_C */
 
         /* Check if underlying transport became available */
-        if( poll_type != 0 )
-        {
-            ret = mbedtls_net_poll( fd, poll_type, 0 );
-            if( ret < 0 )
-                return( ret );
-            if( ret == poll_type )
+        if (poll_type != 0) {
+            ret = mbedtls_net_poll(fd, poll_type, 0);
+            if (ret < 0) {
+                return ret;
+            }
+            if (ret == poll_type) {
                 break;
+            }
         }
     }
 
-    return( 0 );
+    return 0;
 }
 
 #if defined(MBEDTLS_TEST_HOOKS)
 
-void test_hooks_init( void )
+void test_hooks_init(void)
 {
-    mbedtls_test_info_reset( );
+    mbedtls_test_info_reset();
 
 #if defined(MBEDTLS_TEST_MUTEX_USAGE)
-    mbedtls_test_mutex_usage_init( );
+    mbedtls_test_mutex_usage_init();
 #endif
 }
 
-int test_hooks_failure_detected( void )
+int test_hooks_failure_detected(void)
 {
 #if defined(MBEDTLS_TEST_MUTEX_USAGE)
     /* Errors are reported via mbedtls_test_info. */
-    mbedtls_test_mutex_usage_check( );
+    mbedtls_test_mutex_usage_check();
 #endif
 
-    if( mbedtls_test_info.result != MBEDTLS_TEST_RESULT_SUCCESS )
-        return( 1 );
-    return( 0 );
+    if (mbedtls_test_info.result != MBEDTLS_TEST_RESULT_SUCCESS) {
+        return 1;
+    }
+    return 0;
 }
 
-void test_hooks_free( void )
+void test_hooks_free(void)
 {
 }
 
diff --git a/programs/ssl/ssl_test_lib.h b/programs/ssl/ssl_test_lib.h
index 659b3ab..64f557d 100644
--- a/programs/ssl/ssl_test_lib.h
+++ b/programs/ssl/ssl_test_lib.h
@@ -26,13 +26,13 @@
 
 #undef HAVE_RNG
 #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) &&         \
-    ( defined(MBEDTLS_USE_PSA_CRYPTO) ||                \
-      defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG) )
+    (defined(MBEDTLS_USE_PSA_CRYPTO) ||                \
+    defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG))
 #define HAVE_RNG
 #elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_CTR_DRBG_C)
 #define HAVE_RNG
 #elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_HMAC_DRBG_C) &&     \
-    ( defined(MBEDTLS_SHA256_C) || defined(MBEDTLS_SHA512_C) )
+    (defined(MBEDTLS_SHA256_C) || defined(MBEDTLS_SHA512_C))
 #define HAVE_RNG
 #endif
 
@@ -79,14 +79,13 @@
 
 #include "../test/query_config.h"
 
-typedef struct eap_tls_keys
-{
+typedef struct eap_tls_keys {
     unsigned char master_secret[48];
     unsigned char randbytes[64];
     mbedtls_tls_prf_types tls_prf_type;
 } eap_tls_keys;
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
 
 /* Supported SRTP mode needs a maximum of :
  * - 16 bytes for key (AES-128)
@@ -95,8 +94,7 @@
  */
 #define MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH    60
 
-typedef struct dtls_srtp_keys
-{
+typedef struct dtls_srtp_keys {
     unsigned char master_secret[48];
     unsigned char randbytes[64];
     mbedtls_tls_prf_types tls_prf_type;
@@ -104,18 +102,17 @@
 
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
-typedef struct
-{
+typedef struct {
     mbedtls_ssl_context *ssl;
     mbedtls_net_context *net;
 } io_ctx_t;
 
-void my_debug( void *ctx, int level,
-               const char *file, int line,
-               const char *str );
+void my_debug(void *ctx, int level,
+              const char *file, int line,
+              const char *str);
 
 #if defined(MBEDTLS_HAVE_TIME)
-mbedtls_time_t dummy_constant_time( mbedtls_time_t* time );
+mbedtls_time_t dummy_constant_time(mbedtls_time_t *time);
 #endif
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) && !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
@@ -145,8 +142,7 @@
 
 /** A context for random number generation (RNG).
  */
-typedef struct
-{
+typedef struct {
 #if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
     unsigned char dummy;
 #else /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
@@ -166,7 +162,7 @@
  * This function only initializes the memory used by the RNG context.
  * Before using the RNG, it must be seeded with rng_seed().
  */
-void rng_init( rng_context_t *rng );
+void rng_init(rng_context_t *rng);
 
 /* Seed the random number generator.
  *
@@ -182,14 +178,14 @@
  *
  * return 0 on success, a negative value on error.
  */
-int rng_seed( rng_context_t *rng, int reproducible, const char *pers );
+int rng_seed(rng_context_t *rng, int reproducible, const char *pers);
 
 /** Deinitialize the RNG. Free any embedded resource.
  *
  * \param rng           The RNG context to deinitialize. It must have been
  *                      initialized with rng_init().
  */
-void rng_free( rng_context_t *rng );
+void rng_free(rng_context_t *rng);
 
 /** Generate random data.
  *
@@ -204,7 +200,7 @@
  * \return              \c 0 on success.
  * \return              An Mbed TLS error code on error.
  */
-int rng_get( void *p_rng, unsigned char *output, size_t output_len );
+int rng_get(void *p_rng, unsigned char *output, size_t output_len);
 
 /** Parse command-line option: key_opaque_algs
  *
@@ -223,7 +219,7 @@
  * \return              \c 0 on success.
  * \return              \c 1 on parse failure.
  */
-int key_opaque_alg_parse( const char *arg, const char **alg1, const char **alg2 );
+int key_opaque_alg_parse(const char *arg, const char **alg1, const char **alg2);
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 /** Parse given opaque key algorithms to obtain psa algs and usage
@@ -241,11 +237,11 @@
  * \return              \c 0 on success.
  * \return              \c 1 on parse failure.
  */
-int key_opaque_set_alg_usage( const char *alg1, const char *alg2,
-                              psa_algorithm_t *psa_alg1,
-                              psa_algorithm_t *psa_alg2,
-                              psa_key_usage_t *usage,
-                              mbedtls_pk_type_t key_type );
+int key_opaque_set_alg_usage(const char *alg1, const char *alg2,
+                             psa_algorithm_t *psa_alg1,
+                             psa_algorithm_t *psa_alg2,
+                             psa_key_usage_t *usage,
+                             mbedtls_pk_type_t key_type);
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
@@ -257,31 +253,31 @@
 #endif
 
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-int ca_callback( void *data, mbedtls_x509_crt const *child,
-                 mbedtls_x509_crt **candidates );
+int ca_callback(void *data, mbedtls_x509_crt const *child,
+                mbedtls_x509_crt **candidates);
 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 
 /*
  * Test recv/send functions that make sure each try returns
  * WANT_READ/WANT_WRITE at least once before succeeding
  */
-int delayed_recv( void *ctx, unsigned char *buf, size_t len );
-int delayed_send( void *ctx, const unsigned char *buf, size_t len );
+int delayed_recv(void *ctx, unsigned char *buf, size_t len);
+int delayed_send(void *ctx, const unsigned char *buf, size_t len);
 
 /*
  * Wait for an event from the underlying transport or the timer
  * (Used in event-driven IO mode).
  */
-int idle( mbedtls_net_context *fd,
+int idle(mbedtls_net_context *fd,
 #if defined(MBEDTLS_TIMING_C)
-          mbedtls_timing_delay_context *timer,
+         mbedtls_timing_delay_context *timer,
 #endif
-          int idle_reason );
+         int idle_reason);
 
 #if defined(MBEDTLS_TEST_HOOKS)
 /** Initialize whatever test hooks are enabled by the compile-time
  * configuration and make sense for the TLS test programs. */
-void test_hooks_init( void );
+void test_hooks_init(void);
 
 /** Check if any test hooks detected a problem.
  *
@@ -299,14 +295,14 @@
  * \return Nonzero if a problem was detected.
  *         \c 0 if no problem was detected.
  */
-int test_hooks_failure_detected( void );
+int test_hooks_failure_detected(void);
 
 /** Free any resources allocated for the sake of test hooks.
  *
  * Call this at the end of the program so that resource leak analyzers
  * don't complain.
  */
-void test_hooks_free( void );
+void test_hooks_free(void);
 
 #endif /* !MBEDTLS_TEST_HOOKS */
 
diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index 1ad2034..180a74d 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -24,10 +24,10 @@
 #include "mbedtls/platform.h"
 
 #if !defined(MBEDTLS_HAVE_TIME)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_HAVE_TIME not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
 
diff --git a/programs/test/cmake_package/cmake_package.c b/programs/test/cmake_package/cmake_package.c
index 4105d2b..86e1077 100644
--- a/programs/test/cmake_package/cmake_package.c
+++ b/programs/test/cmake_package/cmake_package.c
@@ -31,9 +31,9 @@
     /* This version string is 18 bytes long, as advised by version.h. */
     char version[18];
 
-    mbedtls_version_get_string_full( version );
+    mbedtls_version_get_string_full(version);
 
-    mbedtls_printf( "Built against %s\n", version );
+    mbedtls_printf("Built against %s\n", version);
 
-    return( 0 );
+    return 0;
 }
diff --git a/programs/test/cmake_package_install/cmake_package_install.c b/programs/test/cmake_package_install/cmake_package_install.c
index 48fb559..9aa4c3b 100644
--- a/programs/test/cmake_package_install/cmake_package_install.c
+++ b/programs/test/cmake_package_install/cmake_package_install.c
@@ -32,9 +32,9 @@
     /* This version string is 18 bytes long, as advised by version.h. */
     char version[18];
 
-    mbedtls_version_get_string_full( version );
+    mbedtls_version_get_string_full(version);
 
-    mbedtls_printf( "Built against %s\n", version );
+    mbedtls_printf("Built against %s\n", version);
 
-    return( 0 );
+    return 0;
 }
diff --git a/programs/test/cmake_subproject/cmake_subproject.c b/programs/test/cmake_subproject/cmake_subproject.c
index b1d005c..d56b9a9 100644
--- a/programs/test/cmake_subproject/cmake_subproject.c
+++ b/programs/test/cmake_subproject/cmake_subproject.c
@@ -32,9 +32,9 @@
     /* This version string is 18 bytes long, as advised by version.h. */
     char version[18];
 
-    mbedtls_version_get_string_full( version );
+    mbedtls_version_get_string_full(version);
 
-    mbedtls_printf( "Built against %s\n", version );
+    mbedtls_printf("Built against %s\n", version);
 
-    return( 0 );
+    return 0;
 }
diff --git a/programs/test/dlopen.c b/programs/test/dlopen.c
index ff61fcd..2dcda3b 100644
--- a/programs/test/dlopen.c
+++ b/programs/test/dlopen.c
@@ -37,67 +37,68 @@
 
 #include <dlfcn.h>
 
-#define CHECK_DLERROR( function, argument )                             \
+#define CHECK_DLERROR(function, argument)                             \
     do                                                                  \
     {                                                                   \
-        char *CHECK_DLERROR_error = dlerror ( );                        \
-        if( CHECK_DLERROR_error != NULL )                               \
+        char *CHECK_DLERROR_error = dlerror();                        \
+        if (CHECK_DLERROR_error != NULL)                               \
         {                                                               \
-            fprintf( stderr, "Dynamic loading error for %s(%s): %s\n",  \
-                     function, argument, CHECK_DLERROR_error );         \
-            mbedtls_exit( MBEDTLS_EXIT_FAILURE );                       \
+            fprintf(stderr, "Dynamic loading error for %s(%s): %s\n",  \
+                    function, argument, CHECK_DLERROR_error);         \
+            mbedtls_exit(MBEDTLS_EXIT_FAILURE);                       \
         }                                                               \
     }                                                                   \
-    while( 0 )
+    while (0)
 
-int main( void )
+int main(void)
 {
 #if defined(MBEDTLS_MD_C) || defined(MBEDTLS_SSL_TLS_C)
     unsigned n;
 #endif
 
 #if defined(MBEDTLS_SSL_TLS_C)
-    void *tls_so = dlopen( TLS_SO_FILENAME, RTLD_NOW );
-    CHECK_DLERROR( "dlopen", TLS_SO_FILENAME );
-    const int *( *ssl_list_ciphersuites )( void ) =
-        dlsym( tls_so, "mbedtls_ssl_list_ciphersuites" );
-    CHECK_DLERROR( "dlsym", "mbedtls_ssl_list_ciphersuites" );
-    const int *ciphersuites = ssl_list_ciphersuites( );
-    for( n = 0; ciphersuites[n] != 0; n++ )
-        /* nothing to do, we're just counting */;
-    mbedtls_printf( "dlopen(%s): %u ciphersuites\n",
-                    TLS_SO_FILENAME, n );
-    dlclose( tls_so );
-    CHECK_DLERROR( "dlclose", TLS_SO_FILENAME );
+    void *tls_so = dlopen(TLS_SO_FILENAME, RTLD_NOW);
+    CHECK_DLERROR("dlopen", TLS_SO_FILENAME);
+    const int *(*ssl_list_ciphersuites)(void) =
+        dlsym(tls_so, "mbedtls_ssl_list_ciphersuites");
+    CHECK_DLERROR("dlsym", "mbedtls_ssl_list_ciphersuites");
+    const int *ciphersuites = ssl_list_ciphersuites();
+    for (n = 0; ciphersuites[n] != 0; n++) {/* nothing to do, we're just counting */
+        ;
+    }
+    mbedtls_printf("dlopen(%s): %u ciphersuites\n",
+                   TLS_SO_FILENAME, n);
+    dlclose(tls_so);
+    CHECK_DLERROR("dlclose", TLS_SO_FILENAME);
 #endif  /* MBEDTLS_SSL_TLS_C */
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
-    void *x509_so = dlopen( X509_SO_FILENAME, RTLD_NOW );
-    CHECK_DLERROR( "dlopen", X509_SO_FILENAME );
+    void *x509_so = dlopen(X509_SO_FILENAME, RTLD_NOW);
+    CHECK_DLERROR("dlopen", X509_SO_FILENAME);
     const mbedtls_x509_crt_profile *profile =
-        dlsym( x509_so, "mbedtls_x509_crt_profile_default" );
-    CHECK_DLERROR( "dlsym", "mbedtls_x509_crt_profile_default" );
-    mbedtls_printf( "dlopen(%s): Allowed md mask: %08x\n",
-                    X509_SO_FILENAME, (unsigned) profile->allowed_mds );
-    dlclose( x509_so );
-    CHECK_DLERROR( "dlclose", X509_SO_FILENAME );
+        dlsym(x509_so, "mbedtls_x509_crt_profile_default");
+    CHECK_DLERROR("dlsym", "mbedtls_x509_crt_profile_default");
+    mbedtls_printf("dlopen(%s): Allowed md mask: %08x\n",
+                   X509_SO_FILENAME, (unsigned) profile->allowed_mds);
+    dlclose(x509_so);
+    CHECK_DLERROR("dlclose", X509_SO_FILENAME);
 #endif  /* MBEDTLS_X509_CRT_PARSE_C */
 
 #if defined(MBEDTLS_MD_C)
-    void *crypto_so = dlopen( CRYPTO_SO_FILENAME, RTLD_NOW );
-    CHECK_DLERROR( "dlopen", CRYPTO_SO_FILENAME );
-    const int *( *md_list )( void ) =
-        dlsym( crypto_so, "mbedtls_md_list" );
-    CHECK_DLERROR( "dlsym", "mbedtls_md_list" );
-    const int *mds = md_list( );
-    for( n = 0; mds[n] != 0; n++ )
-        /* nothing to do, we're just counting */;
-    mbedtls_printf( "dlopen(%s): %u hashes\n",
-                    CRYPTO_SO_FILENAME, n );
-    dlclose( crypto_so );
-    CHECK_DLERROR( "dlclose", CRYPTO_SO_FILENAME );
+    void *crypto_so = dlopen(CRYPTO_SO_FILENAME, RTLD_NOW);
+    CHECK_DLERROR("dlopen", CRYPTO_SO_FILENAME);
+    const int *(*md_list)(void) =
+        dlsym(crypto_so, "mbedtls_md_list");
+    CHECK_DLERROR("dlsym", "mbedtls_md_list");
+    const int *mds = md_list();
+    for (n = 0; mds[n] != 0; n++) {/* nothing to do, we're just counting */
+        ;
+    }
+    mbedtls_printf("dlopen(%s): %u hashes\n",
+                   CRYPTO_SO_FILENAME, n);
+    dlclose(crypto_so);
+    CHECK_DLERROR("dlclose", CRYPTO_SO_FILENAME);
 #endif  /* MBEDTLS_MD_C */
 
-    return( 0 );
+    return 0;
 }
-
diff --git a/programs/test/query_compile_time_config.c b/programs/test/query_compile_time_config.c
index f37973c..8f763fa 100644
--- a/programs/test/query_compile_time_config.c
+++ b/programs/test/query_compile_time_config.c
@@ -36,47 +36,43 @@
 #include <string.h>
 #include "query_config.h"
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int i;
 
-    if ( argc == 1 || strcmp( argv[1], "-h" ) == 0 )
-    {
-        mbedtls_printf( USAGE, argv[0] );
-        return( MBEDTLS_EXIT_FAILURE );
+    if (argc == 1 || strcmp(argv[1], "-h") == 0) {
+        mbedtls_printf(USAGE, argv[0]);
+        return MBEDTLS_EXIT_FAILURE;
     }
 
-    if( strcmp( argv[1], "-l" ) == 0 )
-    {
+    if (strcmp(argv[1], "-l") == 0) {
         list_config();
-        return( 0 );
+        return 0;
     }
 
-    if( strcmp( argv[1], "-all" ) == 0 )
-    {
-        for( i = 2; i < argc; i++ )
-        {
-            if( query_config( argv[i] ) != 0 )
-                return( 1 );
+    if (strcmp(argv[1], "-all") == 0) {
+        for (i = 2; i < argc; i++) {
+            if (query_config(argv[i]) != 0) {
+                return 1;
+            }
         }
-        return( 0 );
+        return 0;
     }
 
-    if( strcmp( argv[1], "-any" ) == 0 )
-    {
-        for( i = 2; i < argc; i++ )
-        {
-            if( query_config( argv[i] ) == 0 )
-                return( 0 );
+    if (strcmp(argv[1], "-any") == 0) {
+        for (i = 2; i < argc; i++) {
+            if (query_config(argv[i]) == 0) {
+                return 0;
+            }
         }
-        return( 1 );
+        return 1;
     }
 
-    for( i = 1; i < argc; i++ )
-    {
-        if( query_config( argv[i] ) != 0 )
-            return( 1 );
+    for (i = 1; i < argc; i++) {
+        if (query_config(argv[i]) != 0) {
+            return 1;
+        }
     }
 
-    return( 0 );
+    return 0;
 }
diff --git a/programs/test/query_config.h b/programs/test/query_config.h
index 290100f..ade73d0 100644
--- a/programs/test/query_config.h
+++ b/programs/test/query_config.h
@@ -33,7 +33,7 @@
  *                  which is automatically generated by
  *                  `scripts/generate_query_config.pl`.
  */
-int query_config( const char *config );
+int query_config(const char *config);
 
 /** List all enabled configuration symbols
  *
@@ -41,6 +41,6 @@
  *                  which is automatically generated by
  *                  `scripts/generate_query_config.pl`.
  */
-void list_config( void );
+void list_config(void);
 
 #endif /* MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H */
diff --git a/programs/test/selftest.c b/programs/test/selftest.c
index b4701cb..b4d7008 100644
--- a/programs/test/selftest.c
+++ b/programs/test/selftest.c
@@ -65,106 +65,101 @@
 /* Sanity check for malloc. This is not expected to fail, and is rather
  * intended to display potentially useful information about the platform,
  * in particular the behavior of malloc(0). */
-static int calloc_self_test( int verbose )
+static int calloc_self_test(int verbose)
 {
     int failures = 0;
-    void *empty1 = mbedtls_calloc( 0, 1 );
-    void *empty2 = mbedtls_calloc( 0, 1 );
-    void *buffer1 = mbedtls_calloc( 1, 1 );
-    void *buffer2 = mbedtls_calloc( 1, 1 );
+    void *empty1 = mbedtls_calloc(0, 1);
+    void *empty2 = mbedtls_calloc(0, 1);
+    void *buffer1 = mbedtls_calloc(1, 1);
+    void *buffer2 = mbedtls_calloc(1, 1);
 
-    if( empty1 == NULL && empty2 == NULL )
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(0): passed (NULL)\n" );
-    }
-    else if( empty1 == NULL || empty2 == NULL )
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(0): failed (mix of NULL and non-NULL)\n" );
+    if (empty1 == NULL && empty2 == NULL) {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(0): passed (NULL)\n");
+        }
+    } else if (empty1 == NULL || empty2 == NULL) {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(0): failed (mix of NULL and non-NULL)\n");
+        }
         ++failures;
-    }
-    else if( empty1 == empty2 )
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(0): passed (same non-null)\n" );
-    }
-    else
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(0): passed (distinct non-null)\n" );
+    } else if (empty1 == empty2) {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(0): passed (same non-null)\n");
+        }
+    } else {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(0): passed (distinct non-null)\n");
+        }
     }
 
-    if( buffer1 == NULL || buffer2 == NULL )
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(1): failed (NULL)\n" );
+    if (buffer1 == NULL || buffer2 == NULL) {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(1): failed (NULL)\n");
+        }
         ++failures;
-    }
-    else if( buffer1 == buffer2 )
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(1): failed (same buffer twice)\n" );
+    } else if (buffer1 == buffer2) {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(1): failed (same buffer twice)\n");
+        }
         ++failures;
-    }
-    else
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(1): passed\n" );
+    } else {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(1): passed\n");
+        }
     }
 
-    mbedtls_free( buffer1 );
-    buffer1 = mbedtls_calloc( 1, 1 );
-    if( buffer1 == NULL )
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(1 again): failed (NULL)\n" );
+    mbedtls_free(buffer1);
+    buffer1 = mbedtls_calloc(1, 1);
+    if (buffer1 == NULL) {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(1 again): failed (NULL)\n");
+        }
         ++failures;
-    }
-    else
-    {
-        if( verbose )
-            mbedtls_printf( "  CALLOC(1 again): passed\n" );
+    } else {
+        if (verbose) {
+            mbedtls_printf("  CALLOC(1 again): passed\n");
+        }
     }
 
-    if( verbose )
-        mbedtls_printf( "\n" );
-    mbedtls_free( empty1 );
-    mbedtls_free( empty2 );
-    mbedtls_free( buffer1 );
-    mbedtls_free( buffer2 );
-    return( failures );
+    if (verbose) {
+        mbedtls_printf("\n");
+    }
+    mbedtls_free(empty1);
+    mbedtls_free(empty2);
+    mbedtls_free(buffer1);
+    mbedtls_free(buffer2);
+    return failures;
 }
 #endif /* MBEDTLS_SELF_TEST */
 
-static int test_snprintf( size_t n, const char *ref_buf, int ref_ret )
+static int test_snprintf(size_t n, const char *ref_buf, int ref_ret)
 {
     int ret;
     char buf[10] = "xxxxxxxxx";
     const char ref[10] = "xxxxxxxxx";
 
-    ret = mbedtls_snprintf( buf, n, "%s", "123" );
-    if( ret < 0 || (size_t) ret >= n )
+    ret = mbedtls_snprintf(buf, n, "%s", "123");
+    if (ret < 0 || (size_t) ret >= n) {
         ret = -1;
-
-    if( strncmp( ref_buf, buf, sizeof( buf ) ) != 0 ||
-        ref_ret != ret ||
-        memcmp( buf + n, ref + n, sizeof( buf ) - n ) != 0 )
-    {
-        return( 1 );
     }
 
-    return( 0 );
+    if (strncmp(ref_buf, buf, sizeof(buf)) != 0 ||
+        ref_ret != ret ||
+        memcmp(buf + n, ref + n, sizeof(buf) - n) != 0) {
+        return 1;
+    }
+
+    return 0;
 }
 
-static int run_test_snprintf( void )
+static int run_test_snprintf(void)
 {
-    return( test_snprintf( 0, "xxxxxxxxx",  -1 ) != 0 ||
-            test_snprintf( 1, "",           -1 ) != 0 ||
-            test_snprintf( 2, "1",          -1 ) != 0 ||
-            test_snprintf( 3, "12",         -1 ) != 0 ||
-            test_snprintf( 4, "123",         3 ) != 0 ||
-            test_snprintf( 5, "123",         3 ) != 0 );
+    return test_snprintf(0, "xxxxxxxxx",  -1) != 0 ||
+           test_snprintf(1, "",           -1) != 0 ||
+           test_snprintf(2, "1",          -1) != 0 ||
+           test_snprintf(3, "12",         -1) != 0 ||
+           test_snprintf(4, "123",         3) != 0 ||
+           test_snprintf(5, "123",         3) != 0;
 }
 
 /*
@@ -174,7 +169,7 @@
  */
 #if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_ENTROPY_C)
 #if defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
-static void create_entropy_seed_file( void )
+static void create_entropy_seed_file(void)
 {
     int result;
     size_t output_len = 0;
@@ -182,151 +177,152 @@
 
     /* Attempt to read the entropy seed file. If this fails - attempt to write
      * to the file to ensure one is present. */
-    result = mbedtls_platform_std_nv_seed_read( seed_value,
-                                                    MBEDTLS_ENTROPY_BLOCK_SIZE );
-    if( 0 == result )
+    result = mbedtls_platform_std_nv_seed_read(seed_value,
+                                               MBEDTLS_ENTROPY_BLOCK_SIZE);
+    if (0 == result) {
         return;
+    }
 
-    result = mbedtls_platform_entropy_poll( NULL,
-                                            seed_value,
-                                            MBEDTLS_ENTROPY_BLOCK_SIZE,
-                                            &output_len );
-    if( 0 != result )
+    result = mbedtls_platform_entropy_poll(NULL,
+                                           seed_value,
+                                           MBEDTLS_ENTROPY_BLOCK_SIZE,
+                                           &output_len);
+    if (0 != result) {
         return;
+    }
 
-    if( MBEDTLS_ENTROPY_BLOCK_SIZE != output_len )
+    if (MBEDTLS_ENTROPY_BLOCK_SIZE != output_len) {
         return;
+    }
 
-    mbedtls_platform_std_nv_seed_write( seed_value, MBEDTLS_ENTROPY_BLOCK_SIZE );
+    mbedtls_platform_std_nv_seed_write(seed_value, MBEDTLS_ENTROPY_BLOCK_SIZE);
 }
 #endif
 
-int mbedtls_entropy_self_test_wrapper( int verbose )
+int mbedtls_entropy_self_test_wrapper(int verbose)
 {
 #if defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
-    create_entropy_seed_file( );
+    create_entropy_seed_file();
 #endif
-    return( mbedtls_entropy_self_test( verbose ) );
+    return mbedtls_entropy_self_test(verbose);
 }
 #endif
 
 #if defined(MBEDTLS_SELF_TEST)
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-int mbedtls_memory_buffer_alloc_free_and_self_test( int verbose )
+int mbedtls_memory_buffer_alloc_free_and_self_test(int verbose)
 {
-    if( verbose != 0 )
-    {
+    if (verbose != 0) {
 #if defined(MBEDTLS_MEMORY_DEBUG)
-        mbedtls_memory_buffer_alloc_status( );
+        mbedtls_memory_buffer_alloc_status();
 #endif
     }
-    mbedtls_memory_buffer_alloc_free( );
-    return( mbedtls_memory_buffer_alloc_self_test( verbose ) );
+    mbedtls_memory_buffer_alloc_free();
+    return mbedtls_memory_buffer_alloc_self_test(verbose);
 }
 #endif
 
-typedef struct
-{
+typedef struct {
     const char *name;
-    int ( *function )( int );
+    int (*function)(int);
 } selftest_t;
 
 const selftest_t selftests[] =
 {
-    {"calloc", calloc_self_test},
+    { "calloc", calloc_self_test },
 #if defined(MBEDTLS_MD5_C)
-    {"md5", mbedtls_md5_self_test},
+    { "md5", mbedtls_md5_self_test },
 #endif
 #if defined(MBEDTLS_RIPEMD160_C)
-    {"ripemd160", mbedtls_ripemd160_self_test},
+    { "ripemd160", mbedtls_ripemd160_self_test },
 #endif
 #if defined(MBEDTLS_SHA1_C)
-    {"sha1", mbedtls_sha1_self_test},
+    { "sha1", mbedtls_sha1_self_test },
 #endif
 #if defined(MBEDTLS_SHA224_C)
-    {"sha224", mbedtls_sha224_self_test},
+    { "sha224", mbedtls_sha224_self_test },
 #endif
 #if defined(MBEDTLS_SHA256_C)
-    {"sha256", mbedtls_sha256_self_test},
+    { "sha256", mbedtls_sha256_self_test },
 #endif
 #if defined(MBEDTLS_SHA384_C)
-    {"sha384", mbedtls_sha384_self_test},
+    { "sha384", mbedtls_sha384_self_test },
 #endif
 #if defined(MBEDTLS_SHA512_C)
-    {"sha512", mbedtls_sha512_self_test},
+    { "sha512", mbedtls_sha512_self_test },
 #endif
 #if defined(MBEDTLS_DES_C)
-    {"des", mbedtls_des_self_test},
+    { "des", mbedtls_des_self_test },
 #endif
 #if defined(MBEDTLS_AES_C)
-    {"aes", mbedtls_aes_self_test},
+    { "aes", mbedtls_aes_self_test },
 #endif
 #if defined(MBEDTLS_GCM_C) && defined(MBEDTLS_AES_C)
-    {"gcm", mbedtls_gcm_self_test},
+    { "gcm", mbedtls_gcm_self_test },
 #endif
 #if defined(MBEDTLS_CCM_C) && defined(MBEDTLS_AES_C)
-    {"ccm", mbedtls_ccm_self_test},
+    { "ccm", mbedtls_ccm_self_test },
 #endif
 #if defined(MBEDTLS_NIST_KW_C) && defined(MBEDTLS_AES_C)
-    {"nist_kw", mbedtls_nist_kw_self_test},
+    { "nist_kw", mbedtls_nist_kw_self_test },
 #endif
 #if defined(MBEDTLS_CMAC_C)
-    {"cmac", mbedtls_cmac_self_test},
+    { "cmac", mbedtls_cmac_self_test },
 #endif
 #if defined(MBEDTLS_CHACHA20_C)
-    {"chacha20", mbedtls_chacha20_self_test},
+    { "chacha20", mbedtls_chacha20_self_test },
 #endif
 #if defined(MBEDTLS_POLY1305_C)
-    {"poly1305", mbedtls_poly1305_self_test},
+    { "poly1305", mbedtls_poly1305_self_test },
 #endif
 #if defined(MBEDTLS_CHACHAPOLY_C)
-    {"chacha20-poly1305", mbedtls_chachapoly_self_test},
+    { "chacha20-poly1305", mbedtls_chachapoly_self_test },
 #endif
 #if defined(MBEDTLS_BASE64_C)
-    {"base64", mbedtls_base64_self_test},
+    { "base64", mbedtls_base64_self_test },
 #endif
 #if defined(MBEDTLS_BIGNUM_C)
-    {"mpi", mbedtls_mpi_self_test},
+    { "mpi", mbedtls_mpi_self_test },
 #endif
 #if defined(MBEDTLS_RSA_C)
-    {"rsa", mbedtls_rsa_self_test},
+    { "rsa", mbedtls_rsa_self_test },
 #endif
 #if defined(MBEDTLS_CAMELLIA_C)
-    {"camellia", mbedtls_camellia_self_test},
+    { "camellia", mbedtls_camellia_self_test },
 #endif
 #if defined(MBEDTLS_ARIA_C)
-    {"aria", mbedtls_aria_self_test},
+    { "aria", mbedtls_aria_self_test },
 #endif
 #if defined(MBEDTLS_CTR_DRBG_C)
-    {"ctr_drbg", mbedtls_ctr_drbg_self_test},
+    { "ctr_drbg", mbedtls_ctr_drbg_self_test },
 #endif
 #if defined(MBEDTLS_HMAC_DRBG_C)
-    {"hmac_drbg", mbedtls_hmac_drbg_self_test},
+    { "hmac_drbg", mbedtls_hmac_drbg_self_test },
 #endif
 #if defined(MBEDTLS_ECP_C)
-    {"ecp", mbedtls_ecp_self_test},
+    { "ecp", mbedtls_ecp_self_test },
 #endif
 #if defined(MBEDTLS_ECJPAKE_C)
-    {"ecjpake", mbedtls_ecjpake_self_test},
+    { "ecjpake", mbedtls_ecjpake_self_test },
 #endif
 #if defined(MBEDTLS_DHM_C)
-    {"dhm", mbedtls_dhm_self_test},
+    { "dhm", mbedtls_dhm_self_test },
 #endif
 #if defined(MBEDTLS_ENTROPY_C)
-    {"entropy", mbedtls_entropy_self_test_wrapper},
+    { "entropy", mbedtls_entropy_self_test_wrapper },
 #endif
 #if defined(MBEDTLS_PKCS5_C)
-    {"pkcs5", mbedtls_pkcs5_self_test},
+    { "pkcs5", mbedtls_pkcs5_self_test },
 #endif
 /* Heap test comes last */
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    {"memory_buffer_alloc", mbedtls_memory_buffer_alloc_free_and_self_test},
+    { "memory_buffer_alloc", mbedtls_memory_buffer_alloc_free_and_self_test },
 #endif
-    {NULL, NULL}
+    { NULL, NULL }
 };
 #endif /* MBEDTLS_SELF_TEST */
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
 #if defined(MBEDTLS_SELF_TEST)
     const selftest_t *test;
@@ -345,11 +341,10 @@
      * of a NULL pointer. We do however use that in our code for initializing
      * structures, which should work on every modern platform. Let's be sure.
      */
-    memset( &pointer, 0, sizeof( void * ) );
-    if( pointer != NULL )
-    {
-        mbedtls_printf( "all-bits-zero is not a NULL pointer\n" );
-        mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+    memset(&pointer, 0, sizeof(void *));
+    if (pointer != NULL) {
+        mbedtls_printf("all-bits-zero is not a NULL pointer\n");
+        mbedtls_exit(MBEDTLS_EXIT_FAILURE);
     }
 
     /*
@@ -374,52 +369,52 @@
 #define CHECK_PADDING_SIGNED(TYPE, NAME)                                \
     do                                                                  \
     {                                                                   \
-        if( sizeof( TYPE ) == 2 || sizeof( TYPE ) == 4 ||               \
-                sizeof( TYPE ) == 8 ) {                                 \
-            if( ( sizeof( TYPE ) == 2 &&                                \
-                (int16_t) NAME ## _MAX != 0x7FFF )             ||       \
-                ( sizeof( TYPE ) == 4 &&                                \
-                (int32_t) NAME ## _MAX != 0x7FFFFFFF )         ||       \
-                ( sizeof( TYPE ) == 8 &&                                \
-                (int64_t) NAME ## _MAX != 0x7FFFFFFFFFFFFFFF ) )        \
+        if (sizeof(TYPE) == 2 || sizeof(TYPE) == 4 ||               \
+            sizeof(TYPE) == 8) {                                 \
+            if ((sizeof(TYPE) == 2 &&                                \
+                 (int16_t) NAME ## _MAX != 0x7FFF)             ||       \
+                (sizeof(TYPE) == 4 &&                                \
+                 (int32_t) NAME ## _MAX != 0x7FFFFFFF)         ||       \
+                (sizeof(TYPE) == 8 &&                                \
+                 (int64_t) NAME ## _MAX != 0x7FFFFFFFFFFFFFFF))        \
             {                                                           \
-                mbedtls_printf( "Type '" #TYPE "' has padding bits\n" );\
-                mbedtls_exit( MBEDTLS_EXIT_FAILURE );                   \
+                mbedtls_printf("Type '" #TYPE "' has padding bits\n"); \
+                mbedtls_exit(MBEDTLS_EXIT_FAILURE);                   \
             }                                                           \
         } else {                                                        \
-            mbedtls_printf( "Padding checks only implemented for types of size 2, 4 or 8" \
-                " - cannot check type '" #TYPE "' of size %" MBEDTLS_PRINTF_SIZET "\n",       \
-                sizeof( TYPE ) );                                       \
-            mbedtls_exit( MBEDTLS_EXIT_FAILURE );                       \
+            mbedtls_printf("Padding checks only implemented for types of size 2, 4 or 8" \
+                           " - cannot check type '" #TYPE "' of size %" MBEDTLS_PRINTF_SIZET "\n",       \
+                           sizeof(TYPE));                                       \
+            mbedtls_exit(MBEDTLS_EXIT_FAILURE);                       \
         }                                                               \
-    } while( 0 )
+    } while (0)
 
 #define CHECK_PADDING_UNSIGNED(TYPE, NAME)                              \
     do                                                                  \
     {                                                                   \
-        if( ( sizeof( TYPE ) == 2 &&                                    \
-              (uint16_t) NAME ## _MAX != 0xFFFF )             ||        \
-            ( sizeof( TYPE ) == 4 &&                                    \
-              (uint32_t) NAME ## _MAX != 0xFFFFFFFF )         ||        \
-            ( sizeof( TYPE ) == 8 &&                                    \
-              (uint64_t) NAME ## _MAX != 0xFFFFFFFFFFFFFFFF ) )         \
+        if ((sizeof(TYPE) == 2 &&                                    \
+             (uint16_t) NAME ## _MAX != 0xFFFF)             ||        \
+            (sizeof(TYPE) == 4 &&                                    \
+             (uint32_t) NAME ## _MAX != 0xFFFFFFFF)         ||        \
+            (sizeof(TYPE) == 8 &&                                    \
+             (uint64_t) NAME ## _MAX != 0xFFFFFFFFFFFFFFFF))         \
         {                                                               \
-            mbedtls_printf( "Type '" #TYPE "' has padding bits\n" );    \
-            mbedtls_exit( MBEDTLS_EXIT_FAILURE );                       \
+            mbedtls_printf("Type '" #TYPE "' has padding bits\n");    \
+            mbedtls_exit(MBEDTLS_EXIT_FAILURE);                       \
         }                                                               \
-    } while( 0 )
+    } while (0)
 
-    CHECK_PADDING_SIGNED( short,        SHRT );
-    CHECK_PADDING_SIGNED( int,           INT );
-    CHECK_PADDING_SIGNED( long,         LONG );
-    CHECK_PADDING_SIGNED( long long,   LLONG );
-    CHECK_PADDING_SIGNED( ptrdiff_t, PTRDIFF );
+    CHECK_PADDING_SIGNED(short,        SHRT);
+    CHECK_PADDING_SIGNED(int,           INT);
+    CHECK_PADDING_SIGNED(long,         LONG);
+    CHECK_PADDING_SIGNED(long long,   LLONG);
+    CHECK_PADDING_SIGNED(ptrdiff_t, PTRDIFF);
 
-    CHECK_PADDING_UNSIGNED( unsigned short,      USHRT );
-    CHECK_PADDING_UNSIGNED( unsigned,             UINT );
-    CHECK_PADDING_UNSIGNED( unsigned long,       ULONG );
-    CHECK_PADDING_UNSIGNED( unsigned long long, ULLONG );
-    CHECK_PADDING_UNSIGNED( size_t,               SIZE );
+    CHECK_PADDING_UNSIGNED(unsigned short,      USHRT);
+    CHECK_PADDING_UNSIGNED(unsigned,             UINT);
+    CHECK_PADDING_UNSIGNED(unsigned long,       ULONG);
+    CHECK_PADDING_UNSIGNED(unsigned long long, ULLONG);
+    CHECK_PADDING_UNSIGNED(size_t,               SIZE);
 
 #undef CHECK_PADDING_SIGNED
 #undef CHECK_PADDING_UNSIGNED
@@ -427,83 +422,68 @@
     /*
      * Make sure we have a snprintf that correctly zero-terminates
      */
-    if( run_test_snprintf() != 0 )
-    {
-        mbedtls_printf( "the snprintf implementation is broken\n" );
-        mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+    if (run_test_snprintf() != 0) {
+        mbedtls_printf("the snprintf implementation is broken\n");
+        mbedtls_exit(MBEDTLS_EXIT_FAILURE);
     }
 
-    for( argp = argv + ( argc >= 1 ? 1 : argc ); *argp != NULL; ++argp )
-    {
-        if( strcmp( *argp, "--quiet" ) == 0 ||
-            strcmp( *argp, "-q" ) == 0 )
-        {
+    for (argp = argv + (argc >= 1 ? 1 : argc); *argp != NULL; ++argp) {
+        if (strcmp(*argp, "--quiet") == 0 ||
+            strcmp(*argp, "-q") == 0) {
             v = 0;
-        }
-        else if( strcmp( *argp, "--exclude" ) == 0 ||
-                 strcmp( *argp, "-x" ) == 0 )
-        {
+        } else if (strcmp(*argp, "--exclude") == 0 ||
+                   strcmp(*argp, "-x") == 0) {
             exclude_mode = 1;
-        }
-        else
+        } else {
             break;
+        }
     }
 
-    if( v != 0 )
-        mbedtls_printf( "\n" );
+    if (v != 0) {
+        mbedtls_printf("\n");
+    }
 
 #if defined(MBEDTLS_SELF_TEST)
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    mbedtls_memory_buffer_alloc_init( buf, sizeof(buf) );
+    mbedtls_memory_buffer_alloc_init(buf, sizeof(buf));
 #endif
 
-    if( *argp != NULL && exclude_mode == 0 )
-    {
+    if (*argp != NULL && exclude_mode == 0) {
         /* Run the specified tests */
-        for( ; *argp != NULL; argp++ )
-        {
-            for( test = selftests; test->name != NULL; test++ )
-            {
-                if( !strcmp( *argp, test->name ) )
-                {
-                    if( test->function( v )  != 0 )
-                    {
+        for (; *argp != NULL; argp++) {
+            for (test = selftests; test->name != NULL; test++) {
+                if (!strcmp(*argp, test->name)) {
+                    if (test->function(v)  != 0) {
                         suites_failed++;
                     }
                     suites_tested++;
                     break;
                 }
             }
-            if( test->name == NULL )
-            {
-                mbedtls_printf( "  Test suite %s not available -> failed\n\n", *argp );
+            if (test->name == NULL) {
+                mbedtls_printf("  Test suite %s not available -> failed\n\n", *argp);
                 suites_failed++;
             }
         }
-    }
-    else
-    {
+    } else {
         /* Run all the tests except excluded ones */
-        for( test = selftests; test->name != NULL; test++ )
-        {
-            if( exclude_mode )
-            {
+        for (test = selftests; test->name != NULL; test++) {
+            if (exclude_mode) {
                 char **excluded;
-                for( excluded = argp; *excluded != NULL; ++excluded )
-                {
-                    if( !strcmp( *excluded, test->name ) )
+                for (excluded = argp; *excluded != NULL; ++excluded) {
+                    if (!strcmp(*excluded, test->name)) {
                         break;
+                    }
                 }
-                if( *excluded )
-                {
-                    if( v )
-                        mbedtls_printf( "  Skip: %s\n", test->name );
+                if (*excluded) {
+                    if (v) {
+                        mbedtls_printf("  Skip: %s\n", test->name);
+                    }
                     continue;
                 }
             }
-            if( test->function( v )  != 0 )
-            {
+            if (test->function(v)  != 0) {
                 suites_failed++;
             }
             suites_tested++;
@@ -512,25 +492,22 @@
 
 #else
     (void) exclude_mode;
-    mbedtls_printf( " MBEDTLS_SELF_TEST not defined.\n" );
+    mbedtls_printf(" MBEDTLS_SELF_TEST not defined.\n");
 #endif
 
-    if( v != 0 )
-    {
-        mbedtls_printf( "  Executed %d test suites\n\n", suites_tested );
+    if (v != 0) {
+        mbedtls_printf("  Executed %d test suites\n\n", suites_tested);
 
-        if( suites_failed > 0)
-        {
-            mbedtls_printf( "  [ %d tests FAIL ]\n\n", suites_failed );
-        }
-        else
-        {
-            mbedtls_printf( "  [ All tests PASS ]\n\n" );
+        if (suites_failed > 0) {
+            mbedtls_printf("  [ %d tests FAIL ]\n\n", suites_failed);
+        } else {
+            mbedtls_printf("  [ All tests PASS ]\n\n");
         }
     }
 
-    if( suites_failed > 0)
-        mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+    if (suites_failed > 0) {
+        mbedtls_exit(MBEDTLS_EXIT_FAILURE);
+    }
 
-    mbedtls_exit( MBEDTLS_EXIT_SUCCESS );
+    mbedtls_exit(MBEDTLS_EXIT_SUCCESS);
 }
diff --git a/programs/test/udp_proxy.c b/programs/test/udp_proxy.c
index ccd1303..ac527f2 100644
--- a/programs/test/udp_proxy.c
+++ b/programs/test/udp_proxy.c
@@ -46,10 +46,10 @@
 #endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_NET_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_NET_C not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_NET_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -110,20 +110,20 @@
     "    delay=%%d            default: 0 (no delayed packets)\n"            \
     "                        delay about 1:N packets randomly\n"            \
     "    delay_ccs=0/1       default: 0 (don't delay ChangeCipherSpec)\n"   \
-    "    delay_cli=%%s        Handshake message from client that should be\n"\
+    "    delay_cli=%%s        Handshake message from client that should be\n" \
     "                        delayed. Possible values are 'ClientHello',\n" \
     "                        'Certificate', 'CertificateVerify', and\n"     \
     "                        'ClientKeyExchange'.\n"                        \
-    "                        May be used multiple times, even for the same\n"\
-    "                        message, in which case the respective message\n"\
+    "                        May be used multiple times, even for the same\n" \
+    "                        message, in which case the respective message\n" \
     "                        gets delayed multiple times.\n"                 \
-    "    delay_srv=%%s        Handshake message from server that should be\n"\
-    "                        delayed. Possible values are 'HelloRequest',\n"\
-    "                        'ServerHello', 'ServerHelloDone', 'Certificate'\n"\
-    "                        'ServerKeyExchange', 'NewSessionTicket',\n"\
-    "                        'HelloVerifyRequest' and ''CertificateRequest'.\n"\
-    "                        May be used multiple times, even for the same\n"\
-    "                        message, in which case the respective message\n"\
+    "    delay_srv=%%s        Handshake message from server that should be\n" \
+    "                        delayed. Possible values are 'HelloRequest',\n" \
+    "                        'ServerHello', 'ServerHelloDone', 'Certificate'\n" \
+    "                        'ServerKeyExchange', 'NewSessionTicket',\n" \
+    "                        'HelloVerifyRequest' and ''CertificateRequest'.\n" \
+    "                        May be used multiple times, even for the same\n" \
+    "                        message, in which case the respective message\n" \
     "                        gets delayed multiple times.\n"                 \
     "    drop=%%d             default: 0 (no dropped packets)\n"            \
     "                        drop about 1:N packets randomly\n"             \
@@ -147,8 +147,7 @@
 
 #define MAX_DELAYED_HS 10
 
-static struct options
-{
+static struct options {
     const char *server_addr;    /* address to forward packets to            */
     const char *server_port;    /* port to forward packets to               */
     const char *listen_addr;    /* address for accepting client connections */
@@ -157,10 +156,10 @@
     int duplicate;              /* duplicate 1 in N packets (none if 0)     */
     int delay;                  /* delay 1 packet in N (none if 0)          */
     int delay_ccs;              /* delay ChangeCipherSpec                   */
-    char* delay_cli[MAX_DELAYED_HS];  /* handshake types of messages from
+    char *delay_cli[MAX_DELAYED_HS];  /* handshake types of messages from
                                        * client that should be delayed.     */
     uint8_t delay_cli_cnt;      /* Number of entries in delay_cli.          */
-    char* delay_srv[MAX_DELAYED_HS];  /* handshake types of messages from
+    char *delay_srv[MAX_DELAYED_HS];  /* handshake types of messages from
                                        * server that should be delayed.     */
     uint8_t delay_srv_cnt;      /* Number of entries in delay_srv.          */
     int drop;                   /* drop 1 packet in N (none if 0)           */
@@ -175,18 +174,19 @@
     unsigned int seed;          /* seed for "random" events                 */
 } opt;
 
-static void exit_usage( const char *name, const char *value )
+static void exit_usage(const char *name, const char *value)
 {
-    if( value == NULL )
-        mbedtls_printf( " unknown option or missing value: %s\n", name );
-    else
-        mbedtls_printf( " option %s: illegal value: %s\n", name, value );
+    if (value == NULL) {
+        mbedtls_printf(" unknown option or missing value: %s\n", name);
+    } else {
+        mbedtls_printf(" option %s: illegal value: %s\n", name, value);
+    }
 
-    mbedtls_printf( USAGE );
-    mbedtls_exit( 1 );
+    mbedtls_printf(USAGE);
+    mbedtls_exit(1);
 }
 
-static void get_options( int argc, char *argv[] )
+static void get_options(int argc, char *argv[])
 {
     int i;
     char *p, *q;
@@ -200,200 +200,184 @@
 
     opt.delay_cli_cnt = 0;
     opt.delay_srv_cnt = 0;
-    memset( opt.delay_cli, 0, sizeof( opt.delay_cli ) );
-    memset( opt.delay_srv, 0, sizeof( opt.delay_srv ) );
+    memset(opt.delay_cli, 0, sizeof(opt.delay_cli));
+    memset(opt.delay_srv, 0, sizeof(opt.delay_srv));
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
-            exit_usage( p, NULL );
+        if ((q = strchr(p, '=')) == NULL) {
+            exit_usage(p, NULL);
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "server_addr" ) == 0 )
+        if (strcmp(p, "server_addr") == 0) {
             opt.server_addr = q;
-        else if( strcmp( p, "server_port" ) == 0 )
+        } else if (strcmp(p, "server_port") == 0) {
             opt.server_port = q;
-        else if( strcmp( p, "listen_addr" ) == 0 )
+        } else if (strcmp(p, "listen_addr") == 0) {
             opt.listen_addr = q;
-        else if( strcmp( p, "listen_port" ) == 0 )
+        } else if (strcmp(p, "listen_port") == 0) {
             opt.listen_port = q;
-        else if( strcmp( p, "duplicate" ) == 0 )
-        {
-            opt.duplicate = atoi( q );
-            if( opt.duplicate < 0 || opt.duplicate > 20 )
-                exit_usage( p, q );
-        }
-        else if( strcmp( p, "delay" ) == 0 )
-        {
-            opt.delay = atoi( q );
-            if( opt.delay < 0 || opt.delay > 20 || opt.delay == 1 )
-                exit_usage( p, q );
-        }
-        else if( strcmp( p, "delay_ccs" ) == 0 )
-        {
-            opt.delay_ccs = atoi( q );
-            if( opt.delay_ccs < 0 || opt.delay_ccs > 1 )
-                exit_usage( p, q );
-        }
-        else if( strcmp( p, "delay_cli" ) == 0 ||
-                 strcmp( p, "delay_srv" ) == 0 )
-        {
+        } else if (strcmp(p, "duplicate") == 0) {
+            opt.duplicate = atoi(q);
+            if (opt.duplicate < 0 || opt.duplicate > 20) {
+                exit_usage(p, q);
+            }
+        } else if (strcmp(p, "delay") == 0) {
+            opt.delay = atoi(q);
+            if (opt.delay < 0 || opt.delay > 20 || opt.delay == 1) {
+                exit_usage(p, q);
+            }
+        } else if (strcmp(p, "delay_ccs") == 0) {
+            opt.delay_ccs = atoi(q);
+            if (opt.delay_ccs < 0 || opt.delay_ccs > 1) {
+                exit_usage(p, q);
+            }
+        } else if (strcmp(p, "delay_cli") == 0 ||
+                   strcmp(p, "delay_srv") == 0) {
             uint8_t *delay_cnt;
             char **delay_list;
             size_t len;
             char *buf;
 
-            if( strcmp( p, "delay_cli" ) == 0 )
-            {
+            if (strcmp(p, "delay_cli") == 0) {
                 delay_cnt  = &opt.delay_cli_cnt;
                 delay_list = opt.delay_cli;
-            }
-            else
-            {
+            } else {
                 delay_cnt  = &opt.delay_srv_cnt;
                 delay_list = opt.delay_srv;
             }
 
-            if( *delay_cnt == MAX_DELAYED_HS )
-            {
-                mbedtls_printf( " too many uses of %s: only %d allowed\n",
-                                p, MAX_DELAYED_HS );
-                exit_usage( p, NULL );
+            if (*delay_cnt == MAX_DELAYED_HS) {
+                mbedtls_printf(" too many uses of %s: only %d allowed\n",
+                               p, MAX_DELAYED_HS);
+                exit_usage(p, NULL);
             }
 
-            len = strlen( q );
-            buf = mbedtls_calloc( 1, len + 1 );
-            if( buf == NULL )
-            {
-                mbedtls_printf( " Allocation failure\n" );
-                exit( 1 );
+            len = strlen(q);
+            buf = mbedtls_calloc(1, len + 1);
+            if (buf == NULL) {
+                mbedtls_printf(" Allocation failure\n");
+                exit(1);
             }
-            memcpy( buf, q, len + 1 );
+            memcpy(buf, q, len + 1);
 
-            delay_list[ (*delay_cnt)++ ] = buf;
-        }
-        else if( strcmp( p, "drop" ) == 0 )
-        {
-            opt.drop = atoi( q );
-            if( opt.drop < 0 || opt.drop > 20 || opt.drop == 1 )
-                exit_usage( p, q );
-        }
-        else if( strcmp( p, "pack" ) == 0 )
-        {
+            delay_list[(*delay_cnt)++] = buf;
+        } else if (strcmp(p, "drop") == 0) {
+            opt.drop = atoi(q);
+            if (opt.drop < 0 || opt.drop > 20 || opt.drop == 1) {
+                exit_usage(p, q);
+            }
+        } else if (strcmp(p, "pack") == 0) {
 #if defined(MBEDTLS_TIMING_C)
-            opt.pack = (unsigned) atoi( q );
+            opt.pack = (unsigned) atoi(q);
 #else
-            mbedtls_printf( " option pack only defined if MBEDTLS_TIMING_C is enabled\n" );
-            exit( 1 );
+            mbedtls_printf(" option pack only defined if MBEDTLS_TIMING_C is enabled\n");
+            exit(1);
 #endif
-        }
-        else if( strcmp( p, "mtu" ) == 0 )
-        {
-            opt.mtu = atoi( q );
-            if( opt.mtu < 0 || opt.mtu > MAX_MSG_SIZE )
-                exit_usage( p, q );
-        }
-        else if( strcmp( p, "bad_ad" ) == 0 )
-        {
-            opt.bad_ad = atoi( q );
-            if( opt.bad_ad < 0 || opt.bad_ad > 1 )
-                exit_usage( p, q );
+        } else if (strcmp(p, "mtu") == 0) {
+            opt.mtu = atoi(q);
+            if (opt.mtu < 0 || opt.mtu > MAX_MSG_SIZE) {
+                exit_usage(p, q);
+            }
+        } else if (strcmp(p, "bad_ad") == 0) {
+            opt.bad_ad = atoi(q);
+            if (opt.bad_ad < 0 || opt.bad_ad > 1) {
+                exit_usage(p, q);
+            }
         }
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-        else if( strcmp( p, "bad_cid" ) == 0 )
-        {
-            opt.bad_cid = (unsigned) atoi( q );
+        else if (strcmp(p, "bad_cid") == 0) {
+            opt.bad_cid = (unsigned) atoi(q);
         }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
-        else if( strcmp( p, "protect_hvr" ) == 0 )
-        {
-            opt.protect_hvr = atoi( q );
-            if( opt.protect_hvr < 0 || opt.protect_hvr > 1 )
-                exit_usage( p, q );
+        else if (strcmp(p, "protect_hvr") == 0) {
+            opt.protect_hvr = atoi(q);
+            if (opt.protect_hvr < 0 || opt.protect_hvr > 1) {
+                exit_usage(p, q);
+            }
+        } else if (strcmp(p, "protect_len") == 0) {
+            opt.protect_len = atoi(q);
+            if (opt.protect_len < 0) {
+                exit_usage(p, q);
+            }
+        } else if (strcmp(p, "inject_clihlo") == 0) {
+            opt.inject_clihlo = atoi(q);
+            if (opt.inject_clihlo < 0 || opt.inject_clihlo > 1) {
+                exit_usage(p, q);
+            }
+        } else if (strcmp(p, "seed") == 0) {
+            opt.seed = atoi(q);
+            if (opt.seed == 0) {
+                exit_usage(p, q);
+            }
+        } else {
+            exit_usage(p, NULL);
         }
-        else if( strcmp( p, "protect_len" ) == 0 )
-        {
-            opt.protect_len = atoi( q );
-            if( opt.protect_len < 0 )
-                exit_usage( p, q );
-        }
-        else if( strcmp( p, "inject_clihlo" ) == 0 )
-        {
-            opt.inject_clihlo = atoi( q );
-            if( opt.inject_clihlo < 0 || opt.inject_clihlo > 1 )
-                exit_usage( p, q );
-        }
-        else if( strcmp( p, "seed" ) == 0 )
-        {
-            opt.seed = atoi( q );
-            if( opt.seed == 0 )
-                exit_usage( p, q );
-        }
-        else
-            exit_usage( p, NULL );
     }
 }
 
-static const char *msg_type( unsigned char *msg, size_t len )
+static const char *msg_type(unsigned char *msg, size_t len)
 {
-    if( len < 1 )                           return( "Invalid" );
-    switch( msg[0] )
-    {
-        case MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC:    return( "ChangeCipherSpec" );
-        case MBEDTLS_SSL_MSG_ALERT:                 return( "Alert" );
-        case MBEDTLS_SSL_MSG_APPLICATION_DATA:      return( "ApplicationData" );
-        case MBEDTLS_SSL_MSG_CID:                   return( "CID" );
+    if (len < 1) {
+        return "Invalid";
+    }
+    switch (msg[0]) {
+        case MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC:    return "ChangeCipherSpec";
+        case MBEDTLS_SSL_MSG_ALERT:                 return "Alert";
+        case MBEDTLS_SSL_MSG_APPLICATION_DATA:      return "ApplicationData";
+        case MBEDTLS_SSL_MSG_CID:                   return "CID";
         case MBEDTLS_SSL_MSG_HANDSHAKE:             break; /* See below */
-        default:                            return( "Unknown" );
+        default:                            return "Unknown";
     }
 
-    if( len < 13 + 12 )                     return( "Invalid handshake" );
+    if (len < 13 + 12) {
+        return "Invalid handshake";
+    }
 
     /*
      * Our handshake message are less than 2^16 bytes long, so they should
      * have 0 as the first byte of length, frag_offset and frag_length.
      * Otherwise, assume they are encrypted.
      */
-    if( msg[14] || msg[19] || msg[22] )     return( "Encrypted handshake" );
+    if (msg[14] || msg[19] || msg[22]) {
+        return "Encrypted handshake";
+    }
 
-    switch( msg[13] )
-    {
-        case MBEDTLS_SSL_HS_HELLO_REQUEST:          return( "HelloRequest" );
-        case MBEDTLS_SSL_HS_CLIENT_HELLO:           return( "ClientHello" );
-        case MBEDTLS_SSL_HS_SERVER_HELLO:           return( "ServerHello" );
-        case MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST:   return( "HelloVerifyRequest" );
-        case MBEDTLS_SSL_HS_NEW_SESSION_TICKET:     return( "NewSessionTicket" );
-        case MBEDTLS_SSL_HS_CERTIFICATE:            return( "Certificate" );
-        case MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE:    return( "ServerKeyExchange" );
-        case MBEDTLS_SSL_HS_CERTIFICATE_REQUEST:    return( "CertificateRequest" );
-        case MBEDTLS_SSL_HS_SERVER_HELLO_DONE:      return( "ServerHelloDone" );
-        case MBEDTLS_SSL_HS_CERTIFICATE_VERIFY:     return( "CertificateVerify" );
-        case MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE:    return( "ClientKeyExchange" );
-        case MBEDTLS_SSL_HS_FINISHED:               return( "Finished" );
-        default:                            return( "Unknown handshake" );
+    switch (msg[13]) {
+        case MBEDTLS_SSL_HS_HELLO_REQUEST:          return "HelloRequest";
+        case MBEDTLS_SSL_HS_CLIENT_HELLO:           return "ClientHello";
+        case MBEDTLS_SSL_HS_SERVER_HELLO:           return "ServerHello";
+        case MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST:   return "HelloVerifyRequest";
+        case MBEDTLS_SSL_HS_NEW_SESSION_TICKET:     return "NewSessionTicket";
+        case MBEDTLS_SSL_HS_CERTIFICATE:            return "Certificate";
+        case MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE:    return "ServerKeyExchange";
+        case MBEDTLS_SSL_HS_CERTIFICATE_REQUEST:    return "CertificateRequest";
+        case MBEDTLS_SSL_HS_SERVER_HELLO_DONE:      return "ServerHelloDone";
+        case MBEDTLS_SSL_HS_CERTIFICATE_VERIFY:     return "CertificateVerify";
+        case MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE:    return "ClientKeyExchange";
+        case MBEDTLS_SSL_HS_FINISHED:               return "Finished";
+        default:                            return "Unknown handshake";
     }
 }
 
 #if defined(MBEDTLS_TIMING_C)
 /* Return elapsed time in milliseconds since the first call */
-static unsigned elapsed_time( void )
+static unsigned elapsed_time(void)
 {
     static int initialized = 0;
     static struct mbedtls_timing_hr_time hires;
 
-    if( initialized == 0 )
-    {
-        (void) mbedtls_timing_get_timer( &hires, 1 );
+    if (initialized == 0) {
+        (void) mbedtls_timing_get_timer(&hires, 1);
         initialized = 1;
-        return( 0 );
+        return 0;
     }
 
-    return( mbedtls_timing_get_timer( &hires, 0 ) );
+    return mbedtls_timing_get_timer(&hires, 0);
 }
 
-typedef struct
-{
+typedef struct {
     mbedtls_net_context *ctx;
 
     const char *description;
@@ -408,102 +392,102 @@
 
 static ctx_buffer outbuf[2];
 
-static int ctx_buffer_flush( ctx_buffer *buf )
+static int ctx_buffer_flush(ctx_buffer *buf)
 {
     int ret;
 
-    mbedtls_printf( "  %05u flush    %s: %u bytes, %u datagrams, last %u ms\n",
-                    elapsed_time(), buf->description,
-                    (unsigned) buf->len, buf->num_datagrams,
-                    elapsed_time() - buf->packet_lifetime );
+    mbedtls_printf("  %05u flush    %s: %u bytes, %u datagrams, last %u ms\n",
+                   elapsed_time(), buf->description,
+                   (unsigned) buf->len, buf->num_datagrams,
+                   elapsed_time() - buf->packet_lifetime);
 
-    ret = mbedtls_net_send( buf->ctx, buf->data, buf->len );
+    ret = mbedtls_net_send(buf->ctx, buf->data, buf->len);
 
     buf->len           = 0;
     buf->num_datagrams = 0;
 
-    return( ret );
+    return ret;
 }
 
-static unsigned ctx_buffer_time_remaining( ctx_buffer *buf )
+static unsigned ctx_buffer_time_remaining(ctx_buffer *buf)
 {
     unsigned const cur_time = elapsed_time();
 
-    if( buf->num_datagrams == 0 )
-        return( (unsigned) -1 );
+    if (buf->num_datagrams == 0) {
+        return (unsigned) -1;
+    }
 
-    if( cur_time - buf->packet_lifetime >= opt.pack )
-        return( 0 );
+    if (cur_time - buf->packet_lifetime >= opt.pack) {
+        return 0;
+    }
 
-    return( opt.pack - ( cur_time - buf->packet_lifetime ) );
+    return opt.pack - (cur_time - buf->packet_lifetime);
 }
 
-static int ctx_buffer_append( ctx_buffer *buf,
-                              const unsigned char * data,
-                              size_t len )
+static int ctx_buffer_append(ctx_buffer *buf,
+                             const unsigned char *data,
+                             size_t len)
 {
     int ret;
 
-    if( len > (size_t) INT_MAX )
-        return( -1 );
-
-    if( len > sizeof( buf->data ) )
-    {
-        mbedtls_printf( "  ! buffer size %u too large (max %u)\n",
-                        (unsigned) len, (unsigned) sizeof( buf->data ) );
-        return( -1 );
+    if (len > (size_t) INT_MAX) {
+        return -1;
     }
 
-    if( sizeof( buf->data ) - buf->len < len )
-    {
-        if( ( ret = ctx_buffer_flush( buf ) ) <= 0 )
-        {
-            mbedtls_printf( "ctx_buffer_flush failed with -%#04x", (unsigned int) -ret );
-            return( ret );
+    if (len > sizeof(buf->data)) {
+        mbedtls_printf("  ! buffer size %u too large (max %u)\n",
+                       (unsigned) len, (unsigned) sizeof(buf->data));
+        return -1;
+    }
+
+    if (sizeof(buf->data) - buf->len < len) {
+        if ((ret = ctx_buffer_flush(buf)) <= 0) {
+            mbedtls_printf("ctx_buffer_flush failed with -%#04x", (unsigned int) -ret);
+            return ret;
         }
     }
 
-    memcpy( buf->data + buf->len, data, len );
+    memcpy(buf->data + buf->len, data, len);
 
     buf->len += len;
-    if( ++buf->num_datagrams == 1 )
+    if (++buf->num_datagrams == 1) {
         buf->packet_lifetime = elapsed_time();
+    }
 
-    return( (int) len );
+    return (int) len;
 }
 #endif /* MBEDTLS_TIMING_C */
 
-static int dispatch_data( mbedtls_net_context *ctx,
-                          const unsigned char * data,
-                          size_t len )
+static int dispatch_data(mbedtls_net_context *ctx,
+                         const unsigned char *data,
+                         size_t len)
 {
     int ret;
 #if defined(MBEDTLS_TIMING_C)
     ctx_buffer *buf = NULL;
-    if( opt.pack > 0 )
-    {
-        if( outbuf[0].ctx == ctx )
+    if (opt.pack > 0) {
+        if (outbuf[0].ctx == ctx) {
             buf = &outbuf[0];
-        else if( outbuf[1].ctx == ctx )
+        } else if (outbuf[1].ctx == ctx) {
             buf = &outbuf[1];
+        }
 
-        if( buf == NULL )
-            return( -1 );
+        if (buf == NULL) {
+            return -1;
+        }
 
-        return( ctx_buffer_append( buf, data, len ) );
+        return ctx_buffer_append(buf, data, len);
     }
 #endif /* MBEDTLS_TIMING_C */
 
-    ret = mbedtls_net_send( ctx, data, len );
-    if( ret < 0 )
-    {
-        mbedtls_printf( "net_send returned -%#04x\n", (unsigned int) -ret );
+    ret = mbedtls_net_send(ctx, data, len);
+    if (ret < 0) {
+        mbedtls_printf("net_send returned -%#04x\n", (unsigned int) -ret);
     }
-    return( ret );
+    return ret;
 }
 
-typedef struct
-{
+typedef struct {
     mbedtls_net_context *dst;
     const char *way;
     const char *type;
@@ -512,25 +496,27 @@
 } packet;
 
 /* Print packet. Outgoing packets come with a reason (forward, dupl, etc.) */
-void print_packet( const packet *p, const char *why )
+void print_packet(const packet *p, const char *why)
 {
 #if defined(MBEDTLS_TIMING_C)
-    if( why == NULL )
-        mbedtls_printf( "  %05u dispatch %s %s (%u bytes)\n",
-                elapsed_time(), p->way, p->type, p->len );
-    else
-        mbedtls_printf( "  %05u dispatch %s %s (%u bytes): %s\n",
-                elapsed_time(), p->way, p->type, p->len, why );
+    if (why == NULL) {
+        mbedtls_printf("  %05u dispatch %s %s (%u bytes)\n",
+                       elapsed_time(), p->way, p->type, p->len);
+    } else {
+        mbedtls_printf("  %05u dispatch %s %s (%u bytes): %s\n",
+                       elapsed_time(), p->way, p->type, p->len, why);
+    }
 #else
-    if( why == NULL )
-        mbedtls_printf( "        dispatch %s %s (%u bytes)\n",
-                p->way, p->type, p->len );
-    else
-        mbedtls_printf( "        dispatch %s %s (%u bytes): %s\n",
-                p->way, p->type, p->len, why );
+    if (why == NULL) {
+        mbedtls_printf("        dispatch %s %s (%u bytes)\n",
+                       p->way, p->type, p->len);
+    } else {
+        mbedtls_printf("        dispatch %s %s (%u bytes): %s\n",
+                       p->way, p->type, p->len, why);
+    }
 #endif
 
-    fflush( stdout );
+    fflush(stdout);
 }
 
 /*
@@ -554,135 +540,123 @@
 static inject_clihlo_state_t inject_clihlo_state;
 static packet initial_clihlo;
 
-int send_packet( const packet *p, const char *why )
+int send_packet(const packet *p, const char *why)
 {
     int ret;
     mbedtls_net_context *dst = p->dst;
 
     /* save initial ClientHello? */
-    if( opt.inject_clihlo != 0 &&
+    if (opt.inject_clihlo != 0 &&
         inject_clihlo_state == ICH_INIT &&
-        strcmp( p->type, "ClientHello" ) == 0 )
-    {
-        memcpy( &initial_clihlo, p, sizeof( packet ) );
+        strcmp(p->type, "ClientHello") == 0) {
+        memcpy(&initial_clihlo, p, sizeof(packet));
         inject_clihlo_state = ICH_CACHED;
     }
 
     /* insert corrupted CID record? */
-    if( opt.bad_cid != 0 &&
-        strcmp( p->type, "CID" ) == 0 &&
-        ( rand() % opt.bad_cid ) == 0 )
-    {
+    if (opt.bad_cid != 0 &&
+        strcmp(p->type, "CID") == 0 &&
+        (rand() % opt.bad_cid) == 0) {
         unsigned char buf[MAX_MSG_SIZE];
-        memcpy( buf, p->buf, p->len );
+        memcpy(buf, p->buf, p->len);
 
         /* The CID resides at offset 11 in the DTLS record header. */
         buf[11] ^= 1;
-        print_packet( p, "modified CID" );
+        print_packet(p, "modified CID");
 
-        if( ( ret = dispatch_data( dst, buf, p->len ) ) <= 0 )
-        {
-            mbedtls_printf( "  ! dispatch returned %d\n", ret );
-            return( ret );
+        if ((ret = dispatch_data(dst, buf, p->len)) <= 0) {
+            mbedtls_printf("  ! dispatch returned %d\n", ret);
+            return ret;
         }
     }
 
     /* insert corrupted ApplicationData record? */
-    if( opt.bad_ad &&
-        strcmp( p->type, "ApplicationData" ) == 0 )
-    {
+    if (opt.bad_ad &&
+        strcmp(p->type, "ApplicationData") == 0) {
         unsigned char buf[MAX_MSG_SIZE];
-        memcpy( buf, p->buf, p->len );
+        memcpy(buf, p->buf, p->len);
 
-        if( p->len <= 13 )
-        {
-            mbedtls_printf( "  ! can't corrupt empty AD record" );
-        }
-        else
-        {
+        if (p->len <= 13) {
+            mbedtls_printf("  ! can't corrupt empty AD record");
+        } else {
             ++buf[13];
-            print_packet( p, "corrupted" );
+            print_packet(p, "corrupted");
         }
 
-        if( ( ret = dispatch_data( dst, buf, p->len ) ) <= 0 )
-        {
-            mbedtls_printf( "  ! dispatch returned %d\n", ret );
-            return( ret );
+        if ((ret = dispatch_data(dst, buf, p->len)) <= 0) {
+            mbedtls_printf("  ! dispatch returned %d\n", ret);
+            return ret;
         }
     }
 
-    print_packet( p, why );
-    if( ( ret = dispatch_data( dst, p->buf, p->len ) ) <= 0 )
-    {
-        mbedtls_printf( "  ! dispatch returned %d\n", ret );
-        return( ret );
+    print_packet(p, why);
+    if ((ret = dispatch_data(dst, p->buf, p->len)) <= 0) {
+        mbedtls_printf("  ! dispatch returned %d\n", ret);
+        return ret;
     }
 
     /* Don't duplicate Application Data, only handshake covered */
-    if( opt.duplicate != 0 &&
-        strcmp( p->type, "ApplicationData" ) != 0 &&
-        rand() % opt.duplicate == 0 )
-    {
-        print_packet( p, "duplicated" );
+    if (opt.duplicate != 0 &&
+        strcmp(p->type, "ApplicationData") != 0 &&
+        rand() % opt.duplicate == 0) {
+        print_packet(p, "duplicated");
 
-        if( ( ret = dispatch_data( dst, p->buf, p->len ) ) <= 0 )
-        {
-            mbedtls_printf( "  ! dispatch returned %d\n", ret );
-            return( ret );
+        if ((ret = dispatch_data(dst, p->buf, p->len)) <= 0) {
+            mbedtls_printf("  ! dispatch returned %d\n", ret);
+            return ret;
         }
     }
 
     /* Inject ClientHello after first ApplicationData */
-    if( opt.inject_clihlo != 0 &&
+    if (opt.inject_clihlo != 0 &&
         inject_clihlo_state == ICH_CACHED &&
-        strcmp( p->type, "ApplicationData" ) == 0 )
-    {
-        print_packet( &initial_clihlo, "injected" );
+        strcmp(p->type, "ApplicationData") == 0) {
+        print_packet(&initial_clihlo, "injected");
 
-        if( ( ret = dispatch_data( dst, initial_clihlo.buf,
-                                        initial_clihlo.len ) ) <= 0 )
-        {
-            mbedtls_printf( "  ! dispatch returned %d\n", ret );
-            return( ret );
+        if ((ret = dispatch_data(dst, initial_clihlo.buf,
+                                 initial_clihlo.len)) <= 0) {
+            mbedtls_printf("  ! dispatch returned %d\n", ret);
+            return ret;
         }
 
         inject_clihlo_state = ICH_INJECTED;
     }
 
-    return( 0 );
+    return 0;
 }
 
 #define MAX_DELAYED_MSG 5
 static size_t prev_len;
 static packet prev[MAX_DELAYED_MSG];
 
-void clear_pending( void )
+void clear_pending(void)
 {
-    memset( &prev, 0, sizeof( prev ) );
+    memset(&prev, 0, sizeof(prev));
     prev_len = 0;
 }
 
-void delay_packet( packet *delay )
+void delay_packet(packet *delay)
 {
-    if( prev_len == MAX_DELAYED_MSG )
+    if (prev_len == MAX_DELAYED_MSG) {
         return;
+    }
 
-    memcpy( &prev[prev_len++], delay, sizeof( packet ) );
+    memcpy(&prev[prev_len++], delay, sizeof(packet));
 }
 
 int send_delayed()
 {
     uint8_t offset;
     int ret;
-    for( offset = 0; offset < prev_len; offset++ )
-    {
-        ret = send_packet( &prev[offset], "delayed" );
-        if( ret != 0 )
-            return( ret );
+    for (offset = 0; offset < prev_len; offset++) {
+        ret = send_packet(&prev[offset], "delayed");
+        if (ret != 0) {
+            return ret;
+        }
     }
 
     clear_pending();
-    return( 0 );
+    return 0;
 }
 
 /*
@@ -702,108 +676,100 @@
 static unsigned char held[2048] = { 0 };
 #define HOLD_MAX 2
 
-int handle_message( const char *way,
-                    mbedtls_net_context *dst,
-                    mbedtls_net_context *src )
+int handle_message(const char *way,
+                   mbedtls_net_context *dst,
+                   mbedtls_net_context *src)
 {
     int ret;
     packet cur;
     size_t id;
 
     uint8_t delay_idx;
-    char ** delay_list;
+    char **delay_list;
     uint8_t delay_list_len;
 
     /* receive packet */
-    if( ( ret = mbedtls_net_recv( src, cur.buf, sizeof( cur.buf ) ) ) <= 0 )
-    {
-        mbedtls_printf( "  ! mbedtls_net_recv returned %d\n", ret );
-        return( ret );
+    if ((ret = mbedtls_net_recv(src, cur.buf, sizeof(cur.buf))) <= 0) {
+        mbedtls_printf("  ! mbedtls_net_recv returned %d\n", ret);
+        return ret;
     }
 
     cur.len  = ret;
-    cur.type = msg_type( cur.buf, cur.len );
+    cur.type = msg_type(cur.buf, cur.len);
     cur.way  = way;
     cur.dst  = dst;
-    print_packet( &cur, NULL );
+    print_packet(&cur, NULL);
 
-    id = cur.len % sizeof( held );
+    id = cur.len % sizeof(held);
 
-    if( strcmp( way, "S <- C" ) == 0 )
-    {
+    if (strcmp(way, "S <- C") == 0) {
         delay_list     = opt.delay_cli;
         delay_list_len = opt.delay_cli_cnt;
-    }
-    else
-    {
+    } else {
         delay_list     = opt.delay_srv;
         delay_list_len = opt.delay_srv_cnt;
     }
 
     /* Check if message type is in the list of messages
      * that should be delayed */
-    for( delay_idx = 0; delay_idx < delay_list_len; delay_idx++ )
-    {
-        if( delay_list[ delay_idx ] == NULL )
+    for (delay_idx = 0; delay_idx < delay_list_len; delay_idx++) {
+        if (delay_list[delay_idx] == NULL) {
             continue;
+        }
 
-        if( strcmp( delay_list[ delay_idx ], cur.type ) == 0 )
-        {
+        if (strcmp(delay_list[delay_idx], cur.type) == 0) {
             /* Delay message */
-            delay_packet( &cur );
+            delay_packet(&cur);
 
             /* Remove entry from list */
-            mbedtls_free( delay_list[delay_idx] );
+            mbedtls_free(delay_list[delay_idx]);
             delay_list[delay_idx] = NULL;
 
-            return( 0 );
+            return 0;
         }
     }
 
     /* do we want to drop, delay, or forward it? */
-    if( ( opt.mtu != 0 &&
-          cur.len > (unsigned) opt.mtu ) ||
-        ( opt.drop != 0 &&
-          strcmp( cur.type, "CID" ) != 0             &&
-          strcmp( cur.type, "ApplicationData" ) != 0 &&
-          ! ( opt.protect_hvr &&
-              strcmp( cur.type, "HelloVerifyRequest" ) == 0 ) &&
-          cur.len != (size_t) opt.protect_len &&
-          held[id] < HOLD_MAX &&
-          rand() % opt.drop == 0 ) )
-    {
+    if ((opt.mtu != 0 &&
+         cur.len > (unsigned) opt.mtu) ||
+        (opt.drop != 0 &&
+         strcmp(cur.type, "CID") != 0             &&
+         strcmp(cur.type, "ApplicationData") != 0 &&
+         !(opt.protect_hvr &&
+           strcmp(cur.type, "HelloVerifyRequest") == 0) &&
+         cur.len != (size_t) opt.protect_len &&
+         held[id] < HOLD_MAX &&
+         rand() % opt.drop == 0)) {
         ++held[id];
-    }
-    else if( ( opt.delay_ccs == 1 &&
-               strcmp( cur.type, "ChangeCipherSpec" ) == 0 ) ||
-             ( opt.delay != 0 &&
-               strcmp( cur.type, "CID" ) != 0             &&
-               strcmp( cur.type, "ApplicationData" ) != 0 &&
-               ! ( opt.protect_hvr &&
-                   strcmp( cur.type, "HelloVerifyRequest" ) == 0 ) &&
-               cur.len != (size_t) opt.protect_len &&
-               held[id] < HOLD_MAX &&
-               rand() % opt.delay == 0 ) )
-    {
+    } else if ((opt.delay_ccs == 1 &&
+                strcmp(cur.type, "ChangeCipherSpec") == 0) ||
+               (opt.delay != 0 &&
+                strcmp(cur.type, "CID") != 0             &&
+                strcmp(cur.type, "ApplicationData") != 0 &&
+                !(opt.protect_hvr &&
+                  strcmp(cur.type, "HelloVerifyRequest") == 0) &&
+                cur.len != (size_t) opt.protect_len &&
+                held[id] < HOLD_MAX &&
+                rand() % opt.delay == 0)) {
         ++held[id];
-        delay_packet( &cur );
-    }
-    else
-    {
+        delay_packet(&cur);
+    } else {
         /* forward and possibly duplicate */
-        if( ( ret = send_packet( &cur, "forwarded" ) ) != 0 )
-            return( ret );
+        if ((ret = send_packet(&cur, "forwarded")) != 0) {
+            return ret;
+        }
 
         /* send previously delayed messages if any */
         ret = send_delayed();
-        if( ret != 0 )
-            return( ret );
+        if (ret != 0) {
+            return ret;
+        }
     }
 
-    return( 0 );
+    return 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -811,7 +777,7 @@
 
     mbedtls_net_context listen_fd, client_fd, server_fd;
 
-#if defined( MBEDTLS_TIMING_C )
+#if defined(MBEDTLS_TIMING_C)
     struct timeval tm;
 #endif
 
@@ -820,11 +786,11 @@
     int nb_fds;
     fd_set read_fds;
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_net_init( &server_fd );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_net_init(&server_fd);
 
-    get_options( argc, argv );
+    get_options(argc, argv);
 
     /*
      * Decisions to drop/delay/duplicate packets are pseudo-random: dropping
@@ -834,84 +800,81 @@
      * In order to be able to reproduce problems reliably, the seed may be
      * specified explicitly.
      */
-    if( opt.seed == 0 )
-    {
+    if (opt.seed == 0) {
 #if defined(MBEDTLS_HAVE_TIME)
-        opt.seed = (unsigned int) mbedtls_time( NULL );
+        opt.seed = (unsigned int) mbedtls_time(NULL);
 #else
         opt.seed = 1;
 #endif /* MBEDTLS_HAVE_TIME */
-        mbedtls_printf( "  . Pseudo-random seed: %u\n", opt.seed );
+        mbedtls_printf("  . Pseudo-random seed: %u\n", opt.seed);
     }
 
-    srand( opt.seed );
+    srand(opt.seed);
 
     /*
      * 0. "Connect" to the server
      */
-    mbedtls_printf( "  . Connect to server on UDP/%s/%s ...",
-            opt.server_addr, opt.server_port );
-    fflush( stdout );
+    mbedtls_printf("  . Connect to server on UDP/%s/%s ...",
+                   opt.server_addr, opt.server_port);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, opt.server_addr, opt.server_port,
-                             MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, opt.server_addr, opt.server_port,
+                                   MBEDTLS_NET_PROTO_UDP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1. Setup the "listening" UDP socket
      */
-    mbedtls_printf( "  . Bind on UDP/%s/%s ...",
-            opt.listen_addr, opt.listen_port );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on UDP/%s/%s ...",
+                   opt.listen_addr, opt.listen_port);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, opt.listen_addr, opt.listen_port,
-                          MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, opt.listen_addr, opt.listen_port,
+                                MBEDTLS_NET_PROTO_UDP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Wait until a client connects
      */
 accept:
-    mbedtls_net_free( &client_fd );
+    mbedtls_net_free(&client_fd);
 
-    mbedtls_printf( "  . Waiting for a remote connection ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Waiting for a remote connection ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                    NULL, 0, NULL ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_accept returned %d\n\n", ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
+                                  NULL, 0, NULL)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_accept returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Forward packets forever (kill the process to terminate it)
      */
     clear_pending();
-    memset( held, 0, sizeof( held ) );
+    memset(held, 0, sizeof(held));
 
     nb_fds = client_fd.fd;
-    if( nb_fds < server_fd.fd )
+    if (nb_fds < server_fd.fd) {
         nb_fds = server_fd.fd;
-    if( nb_fds < listen_fd.fd )
+    }
+    if (nb_fds < listen_fd.fd) {
         nb_fds = listen_fd.fd;
+    }
     ++nb_fds;
 
 #if defined(MBEDTLS_TIMING_C)
-    if( opt.pack > 0 )
-    {
+    if (opt.pack > 0) {
         outbuf[0].ctx = &server_fd;
         outbuf[0].description = "S <- C";
         outbuf[0].num_datagrams = 0;
@@ -924,70 +887,66 @@
     }
 #endif /* MBEDTLS_TIMING_C */
 
-    while( 1 )
-    {
+    while (1) {
 #if defined(MBEDTLS_TIMING_C)
-        if( opt.pack > 0 )
-        {
+        if (opt.pack > 0) {
             unsigned max_wait_server, max_wait_client, max_wait;
-            max_wait_server = ctx_buffer_time_remaining( &outbuf[0] );
-            max_wait_client = ctx_buffer_time_remaining( &outbuf[1] );
+            max_wait_server = ctx_buffer_time_remaining(&outbuf[0]);
+            max_wait_client = ctx_buffer_time_remaining(&outbuf[1]);
 
             max_wait = (unsigned) -1;
 
-            if( max_wait_server == 0 )
-                ctx_buffer_flush( &outbuf[0] );
-            else
+            if (max_wait_server == 0) {
+                ctx_buffer_flush(&outbuf[0]);
+            } else {
                 max_wait = max_wait_server;
-
-            if( max_wait_client == 0 )
-                ctx_buffer_flush( &outbuf[1] );
-            else
-            {
-                if( max_wait_client < max_wait )
-                    max_wait = max_wait_client;
             }
 
-            if( max_wait != (unsigned) -1 )
-            {
+            if (max_wait_client == 0) {
+                ctx_buffer_flush(&outbuf[1]);
+            } else {
+                if (max_wait_client < max_wait) {
+                    max_wait = max_wait_client;
+                }
+            }
+
+            if (max_wait != (unsigned) -1) {
                 tm.tv_sec  = max_wait / 1000;
-                tm.tv_usec = ( max_wait % 1000 ) * 1000;
+                tm.tv_usec = (max_wait % 1000) * 1000;
 
                 tm_ptr = &tm;
-            }
-            else
-            {
+            } else {
                 tm_ptr = NULL;
             }
         }
 #endif /* MBEDTLS_TIMING_C */
 
-        FD_ZERO( &read_fds );
-        FD_SET( server_fd.fd, &read_fds );
-        FD_SET( client_fd.fd, &read_fds );
-        FD_SET( listen_fd.fd, &read_fds );
+        FD_ZERO(&read_fds);
+        FD_SET(server_fd.fd, &read_fds);
+        FD_SET(client_fd.fd, &read_fds);
+        FD_SET(listen_fd.fd, &read_fds);
 
-        if( ( ret = select( nb_fds, &read_fds, NULL, NULL, tm_ptr ) ) < 0 )
-        {
-            perror( "select" );
+        if ((ret = select(nb_fds, &read_fds, NULL, NULL, tm_ptr)) < 0) {
+            perror("select");
             goto exit;
         }
 
-        if( FD_ISSET( listen_fd.fd, &read_fds ) )
+        if (FD_ISSET(listen_fd.fd, &read_fds)) {
             goto accept;
-
-        if( FD_ISSET( client_fd.fd, &read_fds ) )
-        {
-            if( ( ret = handle_message( "S <- C",
-                                        &server_fd, &client_fd ) ) != 0 )
-                goto accept;
         }
 
-        if( FD_ISSET( server_fd.fd, &read_fds ) )
-        {
-            if( ( ret = handle_message( "S -> C",
-                                        &client_fd, &server_fd ) ) != 0 )
+        if (FD_ISSET(client_fd.fd, &read_fds)) {
+            if ((ret = handle_message("S <- C",
+                                      &server_fd, &client_fd)) != 0) {
                 goto accept;
+            }
+        }
+
+        if (FD_ISSET(server_fd.fd, &read_fds)) {
+            if ((ret = handle_message("S -> C",
+                                      &client_fd, &server_fd)) != 0) {
+                goto accept;
+            }
         }
 
     }
@@ -997,26 +956,24 @@
 exit:
 
 #ifdef MBEDTLS_ERROR_C
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf( "Last error was: -0x%04X - %s\n\n", (unsigned int) -ret, error_buf );
-        fflush( stdout );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: -0x%04X - %s\n\n", (unsigned int) -ret, error_buf);
+        fflush(stdout);
     }
 #endif
 
-    for( delay_idx = 0; delay_idx < MAX_DELAYED_HS; delay_idx++ )
-    {
-        mbedtls_free( opt.delay_cli[delay_idx] );
-        mbedtls_free( opt.delay_srv[delay_idx] );
+    for (delay_idx = 0; delay_idx < MAX_DELAYED_HS; delay_idx++) {
+        mbedtls_free(opt.delay_cli[delay_idx]);
+        mbedtls_free(opt.delay_srv[delay_idx]);
     }
 
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &server_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&server_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 
 #endif /* MBEDTLS_NET_C */
diff --git a/programs/test/zeroize.c b/programs/test/zeroize.c
index 979b551..b7842c4 100644
--- a/programs/test/zeroize.c
+++ b/programs/test/zeroize.c
@@ -35,16 +35,16 @@
 
 #define BUFFER_LEN 1024
 
-void usage( void )
+void usage(void)
 {
-    mbedtls_printf( "Zeroize is a simple program to assist with testing\n" );
-    mbedtls_printf( "the mbedtls_platform_zeroize() function by using the\n" );
-    mbedtls_printf( "debugger. This program takes a file as input and\n" );
-    mbedtls_printf( "prints the first %d characters. Usage:\n\n", BUFFER_LEN );
-    mbedtls_printf( "       zeroize <FILE>\n" );
+    mbedtls_printf("Zeroize is a simple program to assist with testing\n");
+    mbedtls_printf("the mbedtls_platform_zeroize() function by using the\n");
+    mbedtls_printf("debugger. This program takes a file as input and\n");
+    mbedtls_printf("prints the first %d characters. Usage:\n\n", BUFFER_LEN);
+    mbedtls_printf("       zeroize <FILE>\n");
 }
 
-int main( int argc, char** argv )
+int main(int argc, char **argv)
 {
     int exit_code = MBEDTLS_EXIT_FAILURE;
     FILE *fp;
@@ -53,34 +53,32 @@
     char *end = p + BUFFER_LEN;
     int c;
 
-    if( argc != 2 )
-    {
-        mbedtls_printf( "This program takes exactly 1 argument\n" );
+    if (argc != 2) {
+        mbedtls_printf("This program takes exactly 1 argument\n");
         usage();
-        mbedtls_exit( exit_code );
+        mbedtls_exit(exit_code);
     }
 
-    fp = fopen( argv[1], "r" );
-    if( fp == NULL )
-    {
-        mbedtls_printf( "Could not open file '%s'\n", argv[1] );
-        mbedtls_exit( exit_code );
+    fp = fopen(argv[1], "r");
+    if (fp == NULL) {
+        mbedtls_printf("Could not open file '%s'\n", argv[1]);
+        mbedtls_exit(exit_code);
     }
 
-    while( ( c = fgetc( fp ) ) != EOF && p < end - 1 )
-        *p++ = (char)c;
+    while ((c = fgetc(fp)) != EOF && p < end - 1) {
+        *p++ = (char) c;
+    }
     *p = '\0';
 
-    if( p - buf != 0 )
-    {
-        mbedtls_printf( "%s\n", buf );
+    if (p - buf != 0) {
+        mbedtls_printf("%s\n", buf);
         exit_code = MBEDTLS_EXIT_SUCCESS;
+    } else {
+        mbedtls_printf("The file is empty!\n");
     }
-    else
-        mbedtls_printf( "The file is empty!\n" );
 
-    fclose( fp );
-    mbedtls_platform_zeroize( buf, sizeof( buf ) );
+    fclose(fp);
+    mbedtls_platform_zeroize(buf, sizeof(buf));
 
-    mbedtls_exit( exit_code ); // GDB_BREAK_HERE -- don't remove this comment!
+    mbedtls_exit(exit_code);   // GDB_BREAK_HERE -- don't remove this comment!
 }
diff --git a/programs/util/pem2der.c b/programs/util/pem2der.c
index 7138fa8..4a25f21 100644
--- a/programs/util/pem2der.c
+++ b/programs/util/pem2der.c
@@ -41,10 +41,10 @@
     "\n"
 
 #if !defined(MBEDTLS_BASE64_C) || !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BASE64_C and/or MBEDTLS_FS_IO not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
 
@@ -52,120 +52,127 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char *filename;       /* filename of the input file             */
     const char *output_file;    /* where to store the output              */
 } opt;
 
-int convert_pem_to_der( const unsigned char *input, size_t ilen,
-                        unsigned char *output, size_t *olen )
+int convert_pem_to_der(const unsigned char *input, size_t ilen,
+                       unsigned char *output, size_t *olen)
 {
     int ret;
     const unsigned char *s1, *s2, *end = input + ilen;
     size_t len = 0;
 
-    s1 = (unsigned char *) strstr( (const char *) input, "-----BEGIN" );
-    if( s1 == NULL )
-        return( -1 );
+    s1 = (unsigned char *) strstr((const char *) input, "-----BEGIN");
+    if (s1 == NULL) {
+        return -1;
+    }
 
-    s2 = (unsigned char *) strstr( (const char *) input, "-----END" );
-    if( s2 == NULL )
-        return( -1 );
+    s2 = (unsigned char *) strstr((const char *) input, "-----END");
+    if (s2 == NULL) {
+        return -1;
+    }
 
     s1 += 10;
-    while( s1 < end && *s1 != '-' )
+    while (s1 < end && *s1 != '-') {
         s1++;
-    while( s1 < end && *s1 == '-' )
+    }
+    while (s1 < end && *s1 == '-') {
         s1++;
-    if( *s1 == '\r' ) s1++;
-    if( *s1 == '\n' ) s1++;
+    }
+    if (*s1 == '\r') {
+        s1++;
+    }
+    if (*s1 == '\n') {
+        s1++;
+    }
 
-    if( s2 <= s1 || s2 > end )
-        return( -1 );
+    if (s2 <= s1 || s2 > end) {
+        return -1;
+    }
 
-    ret = mbedtls_base64_decode( NULL, 0, &len, (const unsigned char *) s1, s2 - s1 );
-    if( ret == MBEDTLS_ERR_BASE64_INVALID_CHARACTER )
-        return( ret );
+    ret = mbedtls_base64_decode(NULL, 0, &len, (const unsigned char *) s1, s2 - s1);
+    if (ret == MBEDTLS_ERR_BASE64_INVALID_CHARACTER) {
+        return ret;
+    }
 
-    if( len > *olen )
-        return( -1 );
+    if (len > *olen) {
+        return -1;
+    }
 
-    if( ( ret = mbedtls_base64_decode( output, len, &len, (const unsigned char *) s1,
-                               s2 - s1 ) ) != 0 )
-    {
-        return( ret );
+    if ((ret = mbedtls_base64_decode(output, len, &len, (const unsigned char *) s1,
+                                     s2 - s1)) != 0) {
+        return ret;
     }
 
     *olen = len;
 
-    return( 0 );
+    return 0;
 }
 
 /*
  * Load all data from a file into a given buffer.
  */
-static int load_file( const char *path, unsigned char **buf, size_t *n )
+static int load_file(const char *path, unsigned char **buf, size_t *n)
 {
     FILE *f;
     long size;
 
-    if( ( f = fopen( path, "rb" ) ) == NULL )
-        return( -1 );
-
-    fseek( f, 0, SEEK_END );
-    if( ( size = ftell( f ) ) == -1 )
-    {
-        fclose( f );
-        return( -1 );
+    if ((f = fopen(path, "rb")) == NULL) {
+        return -1;
     }
-    fseek( f, 0, SEEK_SET );
+
+    fseek(f, 0, SEEK_END);
+    if ((size = ftell(f)) == -1) {
+        fclose(f);
+        return -1;
+    }
+    fseek(f, 0, SEEK_SET);
 
     *n = (size_t) size;
 
-    if( *n + 1 == 0 ||
-        ( *buf = mbedtls_calloc( 1, *n + 1 ) ) == NULL )
-    {
-        fclose( f );
-        return( -1 );
+    if (*n + 1 == 0 ||
+        (*buf = mbedtls_calloc(1, *n + 1)) == NULL) {
+        fclose(f);
+        return -1;
     }
 
-    if( fread( *buf, 1, *n, f ) != *n )
-    {
-        fclose( f );
-        free( *buf );
+    if (fread(*buf, 1, *n, f) != *n) {
+        fclose(f);
+        free(*buf);
         *buf = NULL;
-        return( -1 );
+        return -1;
     }
 
-    fclose( f );
+    fclose(f);
 
     (*buf)[*n] = '\0';
 
-    return( 0 );
+    return 0;
 }
 
 /*
  * Write buffer to a file
  */
-static int write_file( const char *path, unsigned char *buf, size_t n )
+static int write_file(const char *path, unsigned char *buf, size_t n)
 {
     FILE *f;
 
-    if( ( f = fopen( path, "wb" ) ) == NULL )
-        return( -1 );
-
-    if( fwrite( buf, 1, n, f ) != n )
-    {
-        fclose( f );
-        return( -1 );
+    if ((f = fopen(path, "wb")) == NULL) {
+        return -1;
     }
 
-    fclose( f );
-    return( 0 );
+    if (fwrite(buf, 1, n, f) != n) {
+        fclose(f);
+        return -1;
+    }
+
+    fclose(f);
+    return 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -179,95 +186,92 @@
     /*
      * Set to sane values
      */
-    memset( buf, 0, sizeof(buf) );
-    memset( der_buffer, 0, sizeof(der_buffer) );
+    memset(buf, 0, sizeof(buf));
+    memset(der_buffer, 0, sizeof(der_buffer));
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
     opt.filename            = DFL_FILENAME;
     opt.output_file         = DFL_OUTPUT_FILENAME;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
 
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "filename" ) == 0 )
+        if (strcmp(p, "filename") == 0) {
             opt.filename = q;
-        else if( strcmp( p, "output_file" ) == 0 )
+        } else if (strcmp(p, "output_file") == 0) {
             opt.output_file = q;
-        else
+        } else {
             goto usage;
+        }
     }
 
     /*
      * 1.1. Load the PEM file
      */
-    mbedtls_printf( "\n  . Loading the PEM file ..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Loading the PEM file ...");
+    fflush(stdout);
 
-    ret = load_file( opt.filename, &pem_buffer, &pem_size );
+    ret = load_file(opt.filename, &pem_buffer, &pem_size);
 
-    if( ret != 0 )
-    {
+    if (ret != 0) {
 #ifdef MBEDTLS_ERROR_C
-        mbedtls_strerror( ret, buf, 1024 );
+        mbedtls_strerror(ret, buf, 1024);
 #endif
-        mbedtls_printf( " failed\n  !  load_file returned %d - %s\n\n", ret, buf );
+        mbedtls_printf(" failed\n  !  load_file returned %d - %s\n\n", ret, buf);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.2. Convert from PEM to DER
      */
-    mbedtls_printf( "  . Converting from PEM to DER ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Converting from PEM to DER ...");
+    fflush(stdout);
 
-    if( ( ret = convert_pem_to_der( pem_buffer, pem_size, der_buffer, &der_size ) ) != 0 )
-    {
+    if ((ret = convert_pem_to_der(pem_buffer, pem_size, der_buffer, &der_size)) != 0) {
 #ifdef MBEDTLS_ERROR_C
-        mbedtls_strerror( ret, buf, 1024 );
+        mbedtls_strerror(ret, buf, 1024);
 #endif
-        mbedtls_printf( " failed\n  !  convert_pem_to_der %d - %s\n\n", ret, buf );
+        mbedtls_printf(" failed\n  !  convert_pem_to_der %d - %s\n\n", ret, buf);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.3. Write the DER file
      */
-    mbedtls_printf( "  . Writing the DER file ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Writing the DER file ...");
+    fflush(stdout);
 
-    ret = write_file( opt.output_file, der_buffer, der_size );
+    ret = write_file(opt.output_file, der_buffer, der_size);
 
-    if( ret != 0 )
-    {
+    if (ret != 0) {
 #ifdef MBEDTLS_ERROR_C
-        mbedtls_strerror( ret, buf, 1024 );
+        mbedtls_strerror(ret, buf, 1024);
 #endif
-        mbedtls_printf( " failed\n  !  write_file returned %d - %s\n\n", ret, buf );
+        mbedtls_printf(" failed\n  !  write_file returned %d - %s\n\n", ret, buf);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    free( pem_buffer );
+    free(pem_buffer);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BASE64_C && MBEDTLS_FS_IO */
diff --git a/programs/util/strerror.c b/programs/util/strerror.c
index 66052fd..4bfd8a1 100644
--- a/programs/util/strerror.c
+++ b/programs/util/strerror.c
@@ -34,43 +34,40 @@
     "\n where <errorcode> can be a decimal or hexadecimal (starts with 0x or -0x)\n"
 
 #if !defined(MBEDTLS_ERROR_C) && !defined(MBEDTLS_ERROR_STRERROR_DUMMY)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_ERROR_C and/or MBEDTLS_ERROR_STRERROR_DUMMY not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_exit(0);
 }
 #else
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     long int val;
     char *end = argv[1];
 
-    if( argc != 2 )
-    {
-        mbedtls_printf( USAGE );
-        mbedtls_exit( 0 );
+    if (argc != 2) {
+        mbedtls_printf(USAGE);
+        mbedtls_exit(0);
     }
 
-    val = strtol( argv[1], &end, 10 );
-    if( *end != '\0' )
-    {
-        val = strtol( argv[1], &end, 16 );
-        if( *end != '\0' )
-        {
-            mbedtls_printf( USAGE );
-            return( 0 );
+    val = strtol(argv[1], &end, 10);
+    if (*end != '\0') {
+        val = strtol(argv[1], &end, 16);
+        if (*end != '\0') {
+            mbedtls_printf(USAGE);
+            return 0;
         }
     }
-    if( val > 0 )
+    if (val > 0) {
         val = -val;
-
-    if( val != 0 )
-    {
-        char error_buf[200];
-        mbedtls_strerror( val, error_buf, 200 );
-        mbedtls_printf("Last error was: -0x%04x - %s\n\n", (unsigned int) -val, error_buf );
     }
 
-    mbedtls_exit( val );
+    if (val != 0) {
+        char error_buf[200];
+        mbedtls_strerror(val, error_buf, 200);
+        mbedtls_printf("Last error was: -0x%04x - %s\n\n", (unsigned int) -val, error_buf);
+    }
+
+    mbedtls_exit(val);
 }
 #endif /* MBEDTLS_ERROR_C */
diff --git a/programs/wince_main.c b/programs/wince_main.c
index 851012c..be98eae 100644
--- a/programs/wince_main.c
+++ b/programs/wince_main.c
@@ -21,23 +21,23 @@
 
 #include <windows.h>
 
-extern int main( int, const char ** );
+extern int main(int, const char **);
 
-int _tmain( int argc, _TCHAR* targv[] )
+int _tmain(int argc, _TCHAR *targv[])
 {
     char **argv;
     int i;
 
-    argv = ( char ** ) calloc( argc, sizeof( char * ) );
+    argv = (char **) calloc(argc, sizeof(char *));
 
-    for ( i = 0; i < argc; i++ ) {
+    for (i = 0; i < argc; i++) {
         size_t len;
-        len = _tcslen( targv[i] ) + 1;
-        argv[i] = ( char * ) calloc( len, sizeof( char ) );
-        wcstombs( argv[i], targv[i], len );
+        len = _tcslen(targv[i]) + 1;
+        argv[i] = (char *) calloc(len, sizeof(char));
+        wcstombs(argv[i], targv[i], len);
     }
 
-    return main( argc, argv );
+    return main(argc, argv);
 }
 
 #endif  /* defined(_WIN32_WCE) */
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index 00d563f..6135238 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -26,14 +26,14 @@
     !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) ||         \
     !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) ||  \
     !defined(MBEDTLS_CTR_DRBG_C) || defined(MBEDTLS_X509_REMOVE_INFO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_CTR_DRBG_C not defined and/or MBEDTLS_X509_REMOVE_INFO defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_CTR_DRBG_C not defined and/or MBEDTLS_X509_REMOVE_INFO defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -86,8 +86,7 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     int mode;                   /* the mode to run the application in   */
     const char *filename;       /* filename of the certificate file     */
     const char *ca_file;        /* the file with the CA certificate(s)  */
@@ -99,37 +98,36 @@
     int permissive;             /* permissive parsing                   */
 } opt;
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_debug(void *ctx, int level,
+                     const char *file, int line,
+                     const char *str)
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *) ctx);
 }
 
-static int my_verify( void *data, mbedtls_x509_crt *crt, int depth, uint32_t *flags )
+static int my_verify(void *data, mbedtls_x509_crt *crt, int depth, uint32_t *flags)
 {
     char buf[1024];
     ((void) data);
 
-    mbedtls_printf( "\nVerify requested for (Depth %d):\n", depth );
-    mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
-    mbedtls_printf( "%s", buf );
+    mbedtls_printf("\nVerify requested for (Depth %d):\n", depth);
+    mbedtls_x509_crt_info(buf, sizeof(buf) - 1, "", crt);
+    mbedtls_printf("%s", buf);
 
-    if ( ( *flags ) == 0 )
-        mbedtls_printf( "  This certificate has no flags\n" );
-    else
-    {
-        mbedtls_x509_crt_verify_info( buf, sizeof( buf ), "  ! ", *flags );
-        mbedtls_printf( "%s\n", buf );
+    if ((*flags) == 0) {
+        mbedtls_printf("  This certificate has no flags\n");
+    } else {
+        mbedtls_x509_crt_verify_info(buf, sizeof(buf), "  ! ", *flags);
+        mbedtls_printf("%s\n", buf);
     }
 
-    return( 0 );
+    return 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -150,23 +148,22 @@
     /*
      * Set to sane values
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_x509_crt_init( &cacert );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_x509_crt_init(&cacert);
 #if defined(MBEDTLS_X509_CRL_PARSE_C)
-    mbedtls_x509_crl_init( &cacrl );
+    mbedtls_x509_crl_init(&cacrl);
 #else
     /* Zeroize structure as CRL parsing is not supported and we have to pass
        it to the verify function */
-    memset( &cacrl, 0, sizeof(mbedtls_x509_crl) );
+    memset(&cacrl, 0, sizeof(mbedtls_x509_crl));
 #endif
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
@@ -180,91 +177,85 @@
     opt.debug_level         = DFL_DEBUG_LEVEL;
     opt.permissive          = DFL_PERMISSIVE;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        for( j = 0; p + j < q; j++ )
-        {
-            if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
+        for (j = 0; p + j < q; j++) {
+            if (argv[i][j] >= 'A' && argv[i][j] <= 'Z') {
                 argv[i][j] |= 0x20;
+            }
         }
 
-        if( strcmp( p, "mode" ) == 0 )
-        {
-            if( strcmp( q, "file" ) == 0 )
+        if (strcmp(p, "mode") == 0) {
+            if (strcmp(q, "file") == 0) {
                 opt.mode = MODE_FILE;
-            else if( strcmp( q, "ssl" ) == 0 )
+            } else if (strcmp(q, "ssl") == 0) {
                 opt.mode = MODE_SSL;
-            else
+            } else {
                 goto usage;
-        }
-        else if( strcmp( p, "filename" ) == 0 )
+            }
+        } else if (strcmp(p, "filename") == 0) {
             opt.filename = q;
-        else if( strcmp( p, "ca_file" ) == 0 )
+        } else if (strcmp(p, "ca_file") == 0) {
             opt.ca_file = q;
-        else if( strcmp( p, "crl_file" ) == 0 )
+        } else if (strcmp(p, "crl_file") == 0) {
             opt.crl_file = q;
-        else if( strcmp( p, "ca_path" ) == 0 )
+        } else if (strcmp(p, "ca_path") == 0) {
             opt.ca_path = q;
-        else if( strcmp( p, "server_name" ) == 0 )
+        } else if (strcmp(p, "server_name") == 0) {
             opt.server_name = q;
-        else if( strcmp( p, "server_port" ) == 0 )
+        } else if (strcmp(p, "server_port") == 0) {
             opt.server_port = q;
-        else if( strcmp( p, "debug_level" ) == 0 )
-        {
-            opt.debug_level = atoi( q );
-            if( opt.debug_level < 0 || opt.debug_level > 65535 )
+        } else if (strcmp(p, "debug_level") == 0) {
+            opt.debug_level = atoi(q);
+            if (opt.debug_level < 0 || opt.debug_level > 65535) {
                 goto usage;
-        }
-        else if( strcmp( p, "permissive" ) == 0 )
-        {
-            opt.permissive = atoi( q );
-            if( opt.permissive < 0 || opt.permissive > 1 )
+            }
+        } else if (strcmp(p, "permissive") == 0) {
+            opt.permissive = atoi(q);
+            if (opt.permissive < 0 || opt.permissive > 1) {
                 goto usage;
-        }
-        else
+            }
+        } else {
             goto usage;
+        }
     }
 
     /*
      * 1.1. Load the trusted CA
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    if( strlen( opt.ca_path ) )
-    {
-        if( ( ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path ) ) < 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_path returned -0x%x\n\n", (unsigned int) -ret );
+    if (strlen(opt.ca_path)) {
+        if ((ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path)) < 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse_path returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
         verify = 1;
-    }
-    else if( strlen( opt.ca_file ) )
-    {
-        if( ( ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file ) ) < 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_file returned -0x%x\n\n", (unsigned int) -ret );
+    } else if (strlen(opt.ca_file)) {
+        if ((ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file)) < 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse_file returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
         verify = 1;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
 #if defined(MBEDTLS_X509_CRL_PARSE_C)
-    if( strlen( opt.crl_file ) )
-    {
-        if( ( ret = mbedtls_x509_crl_parse_file( &cacrl, opt.crl_file ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crl_parse returned -0x%x\n\n", (unsigned int) -ret );
+    if (strlen(opt.crl_file)) {
+        if ((ret = mbedtls_x509_crl_parse_file(&cacrl, opt.crl_file)) != 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crl_parse returned -0x%x\n\n",
+                           (unsigned int) -ret);
             goto exit;
         }
 
@@ -272,52 +263,49 @@
     }
 #endif
 
-    if( opt.mode == MODE_FILE )
-    {
+    if (opt.mode == MODE_FILE) {
         mbedtls_x509_crt crt;
         mbedtls_x509_crt *cur = &crt;
-        mbedtls_x509_crt_init( &crt );
+        mbedtls_x509_crt_init(&crt);
 
         /*
          * 1.1. Load the certificate(s)
          */
-        mbedtls_printf( "\n  . Loading the certificate(s) ..." );
-        fflush( stdout );
+        mbedtls_printf("\n  . Loading the certificate(s) ...");
+        fflush(stdout);
 
-        ret = mbedtls_x509_crt_parse_file( &crt, opt.filename );
+        ret = mbedtls_x509_crt_parse_file(&crt, opt.filename);
 
-        if( ret < 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_file returned %d\n\n", ret );
-            mbedtls_x509_crt_free( &crt );
+        if (ret < 0) {
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse_file returned %d\n\n", ret);
+            mbedtls_x509_crt_free(&crt);
             goto exit;
         }
 
-        if( opt.permissive == 0 && ret > 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse failed to parse %d certificates\n\n", ret );
-            mbedtls_x509_crt_free( &crt );
+        if (opt.permissive == 0 && ret > 0) {
+            mbedtls_printf(
+                " failed\n  !  mbedtls_x509_crt_parse failed to parse %d certificates\n\n",
+                ret);
+            mbedtls_x509_crt_free(&crt);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /*
          * 1.2 Print the certificate(s)
          */
-        while( cur != NULL )
-        {
-            mbedtls_printf( "  . Peer certificate information    ...\n" );
-            ret = mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, "      ",
-                                 cur );
-            if( ret == -1 )
-            {
-                mbedtls_printf( " failed\n  !  mbedtls_x509_crt_info returned %d\n\n", ret );
-                mbedtls_x509_crt_free( &crt );
+        while (cur != NULL) {
+            mbedtls_printf("  . Peer certificate information    ...\n");
+            ret = mbedtls_x509_crt_info((char *) buf, sizeof(buf) - 1, "      ",
+                                        cur);
+            if (ret == -1) {
+                mbedtls_printf(" failed\n  !  mbedtls_x509_crt_info returned %d\n\n", ret);
+                mbedtls_x509_crt_free(&crt);
                 goto exit;
             }
 
-            mbedtls_printf( "%s\n", buf );
+            mbedtls_printf("%s\n", buf);
 
             cur = cur->next;
         }
@@ -325,156 +313,143 @@
         /*
          * 1.3 Verify the certificate
          */
-        if( verify )
-        {
-            mbedtls_printf( "  . Verifying X.509 certificate..." );
+        if (verify) {
+            mbedtls_printf("  . Verifying X.509 certificate...");
 
-            if( ( ret = mbedtls_x509_crt_verify( &crt, &cacert, &cacrl, NULL, &flags,
-                                         my_verify, NULL ) ) != 0 )
-            {
+            if ((ret = mbedtls_x509_crt_verify(&crt, &cacert, &cacrl, NULL, &flags,
+                                               my_verify, NULL)) != 0) {
                 char vrfy_buf[512];
 
-                mbedtls_printf( " failed\n" );
+                mbedtls_printf(" failed\n");
 
-                mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
+                mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-                mbedtls_printf( "%s\n", vrfy_buf );
+                mbedtls_printf("%s\n", vrfy_buf);
+            } else {
+                mbedtls_printf(" ok\n");
             }
-            else
-                mbedtls_printf( " ok\n" );
         }
 
-        mbedtls_x509_crt_free( &crt );
-    }
-    else if( opt.mode == MODE_SSL )
-    {
+        mbedtls_x509_crt_free(&crt);
+    } else if (opt.mode == MODE_SSL) {
         /*
          * 1. Initialize the RNG and the session data
          */
-        mbedtls_printf( "\n  . Seeding the random number generator..." );
-        fflush( stdout );
+        mbedtls_printf("\n  . Seeding the random number generator...");
+        fflush(stdout);
 
-        mbedtls_entropy_init( &entropy );
-        if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                                   (const unsigned char *) pers,
-                                   strlen( pers ) ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+        mbedtls_entropy_init(&entropy);
+        if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                         (const unsigned char *) pers,
+                                         strlen(pers))) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
             goto ssl_exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
 #if defined(MBEDTLS_DEBUG_C)
-        mbedtls_debug_set_threshold( opt.debug_level );
+        mbedtls_debug_set_threshold(opt.debug_level);
 #endif
 
         /*
          * 2. Start the connection
          */
-        mbedtls_printf( "  . SSL connection to tcp/%s/%s...", opt.server_name,
-                                                              opt.server_port );
-        fflush( stdout );
+        mbedtls_printf("  . SSL connection to tcp/%s/%s...", opt.server_name,
+                       opt.server_port);
+        fflush(stdout);
 
-        if( ( ret = mbedtls_net_connect( &server_fd, opt.server_name,
-                                 opt.server_port, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+        if ((ret = mbedtls_net_connect(&server_fd, opt.server_name,
+                                       opt.server_port, MBEDTLS_NET_PROTO_TCP)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
             goto ssl_exit;
         }
 
         /*
          * 3. Setup stuff
          */
-        if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                        MBEDTLS_SSL_IS_CLIENT,
-                        MBEDTLS_SSL_TRANSPORT_STREAM,
-                        MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+        if ((ret = mbedtls_ssl_config_defaults(&conf,
+                                               MBEDTLS_SSL_IS_CLIENT,
+                                               MBEDTLS_SSL_TRANSPORT_STREAM,
+                                               MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
             goto exit;
         }
 
-        if( verify )
-        {
-            mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_REQUIRED );
-            mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-            mbedtls_ssl_conf_verify( &conf, my_verify, NULL );
+        if (verify) {
+            mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_REQUIRED);
+            mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+            mbedtls_ssl_conf_verify(&conf, my_verify, NULL);
+        } else {
+            mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_NONE);
         }
-        else
-            mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_NONE );
 
-        mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-        mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+        mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+        mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-        if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+        if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
             goto ssl_exit;
         }
 
-        if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+        if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret);
             goto ssl_exit;
         }
 
-        mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+        mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
 
         /*
          * 4. Handshake
          */
-        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned %d\n\n", ret );
+        while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned %d\n\n", ret);
                 goto ssl_exit;
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /*
          * 5. Print the certificate
          */
 #if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
-        mbedtls_printf( "  . Peer certificate information    ... skipped\n" );
+        mbedtls_printf("  . Peer certificate information    ... skipped\n");
 #else
-        mbedtls_printf( "  . Peer certificate information    ...\n" );
-        ret = mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, "      ",
-                                     mbedtls_ssl_get_peer_cert( &ssl ) );
-        if( ret == -1 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_info returned %d\n\n", ret );
+        mbedtls_printf("  . Peer certificate information    ...\n");
+        ret = mbedtls_x509_crt_info((char *) buf, sizeof(buf) - 1, "      ",
+                                    mbedtls_ssl_get_peer_cert(&ssl));
+        if (ret == -1) {
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crt_info returned %d\n\n", ret);
             goto ssl_exit;
         }
 
-        mbedtls_printf( "%s\n", buf );
+        mbedtls_printf("%s\n", buf);
 #endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
 
-        mbedtls_ssl_close_notify( &ssl );
+        mbedtls_ssl_close_notify(&ssl);
 
 ssl_exit:
-        mbedtls_ssl_free( &ssl );
-        mbedtls_ssl_config_free( &conf );
-    }
-    else
+        mbedtls_ssl_free(&ssl);
+        mbedtls_ssl_config_free(&conf);
+    } else {
         goto usage;
+    }
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_net_free( &server_fd );
-    mbedtls_x509_crt_free( &cacert );
+    mbedtls_net_free(&server_fd);
+    mbedtls_x509_crt_free(&cacert);
 #if defined(MBEDTLS_X509_CRL_PARSE_C)
-    mbedtls_x509_crl_free( &cacrl );
+    mbedtls_x509_crl_free(&cacrl);
 #endif
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
           MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
index 4879583..1126e60 100644
--- a/programs/x509/cert_req.c
+++ b/programs/x509/cert_req.c
@@ -25,13 +25,13 @@
     !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_SHA256_C) || \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
     !defined(MBEDTLS_PEM_WRITE_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_X509_CSR_WRITE_C and/or MBEDTLS_FS_IO and/or "
-            "MBEDTLS_PK_PARSE_C and/or MBEDTLS_SHA256_C and/or "
-            "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C "
-            "not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_X509_CSR_WRITE_C and/or MBEDTLS_FS_IO and/or "
+                   "MBEDTLS_PK_PARSE_C and/or MBEDTLS_SHA256_C and/or "
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C "
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -95,8 +95,7 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char *filename;       /* filename of the key file             */
     const char *password;       /* password for the key file            */
     int debug_level;            /* level of debugging                   */
@@ -109,36 +108,37 @@
     mbedtls_md_type_t md_alg;   /* Hash algorithm used for signature.   */
 } opt;
 
-int write_certificate_request( mbedtls_x509write_csr *req, const char *output_file,
-                               int (*f_rng)(void *, unsigned char *, size_t),
-                               void *p_rng )
+int write_certificate_request(mbedtls_x509write_csr *req, const char *output_file,
+                              int (*f_rng)(void *, unsigned char *, size_t),
+                              void *p_rng)
 {
     int ret;
     FILE *f;
     unsigned char output_buf[4096];
     size_t len = 0;
 
-    memset( output_buf, 0, 4096 );
-    if( ( ret = mbedtls_x509write_csr_pem( req, output_buf, 4096, f_rng, p_rng ) ) < 0 )
-        return( ret );
-
-    len = strlen( (char *) output_buf );
-
-    if( ( f = fopen( output_file, "w" ) ) == NULL )
-        return( -1 );
-
-    if( fwrite( output_buf, 1, len, f ) != len )
-    {
-        fclose( f );
-        return( -1 );
+    memset(output_buf, 0, 4096);
+    if ((ret = mbedtls_x509write_csr_pem(req, output_buf, 4096, f_rng, p_rng)) < 0) {
+        return ret;
     }
 
-    fclose( f );
+    len = strlen((char *) output_buf);
 
-    return( 0 );
+    if ((f = fopen(output_file, "w")) == NULL) {
+        return -1;
+    }
+
+    if (fwrite(output_buf, 1, len, f) != len) {
+        fclose(f);
+        return -1;
+    }
+
+    fclose(f);
+
+    return 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -154,15 +154,14 @@
     /*
      * Set to sane values
      */
-    mbedtls_x509write_csr_init( &req );
-    mbedtls_pk_init( &key );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    memset( buf, 0, sizeof( buf ) );
+    mbedtls_x509write_csr_init(&req);
+    mbedtls_pk_init(&key);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    memset(buf, 0, sizeof(buf));
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
@@ -177,210 +176,194 @@
     opt.force_ns_cert_type  = DFL_FORCE_NS_CERT_TYPE;
     opt.md_alg              = DFL_MD_ALG;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
 
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "filename" ) == 0 )
+        if (strcmp(p, "filename") == 0) {
             opt.filename = q;
-        else if( strcmp( p, "password" ) == 0 )
+        } else if (strcmp(p, "password") == 0) {
             opt.password = q;
-        else if( strcmp( p, "output_file" ) == 0 )
+        } else if (strcmp(p, "output_file") == 0) {
             opt.output_file = q;
-        else if( strcmp( p, "debug_level" ) == 0 )
-        {
-            opt.debug_level = atoi( q );
-            if( opt.debug_level < 0 || opt.debug_level > 65535 )
-                goto usage;
-        }
-        else if( strcmp( p, "subject_name" ) == 0 )
-        {
-            opt.subject_name = q;
-        }
-        else if( strcmp( p, "md" ) == 0 )
-        {
-            const mbedtls_md_info_t *md_info =
-                mbedtls_md_info_from_string( q );
-            if( md_info == NULL )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+        } else if (strcmp(p, "debug_level") == 0) {
+            opt.debug_level = atoi(q);
+            if (opt.debug_level < 0 || opt.debug_level > 65535) {
                 goto usage;
             }
-            opt.md_alg = mbedtls_md_get_type( md_info );
-        }
-        else if( strcmp( p, "key_usage" ) == 0 )
-        {
-            while( q != NULL )
-            {
-                if( ( r = strchr( q, ',' ) ) != NULL )
+        } else if (strcmp(p, "subject_name") == 0) {
+            opt.subject_name = q;
+        } else if (strcmp(p, "md") == 0) {
+            const mbedtls_md_info_t *md_info =
+                mbedtls_md_info_from_string(q);
+            if (md_info == NULL) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
+                goto usage;
+            }
+            opt.md_alg = mbedtls_md_get_type(md_info);
+        } else if (strcmp(p, "key_usage") == 0) {
+            while (q != NULL) {
+                if ((r = strchr(q, ',')) != NULL) {
                     *r++ = '\0';
+                }
 
-                if( strcmp( q, "digital_signature" ) == 0 )
+                if (strcmp(q, "digital_signature") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_DIGITAL_SIGNATURE;
-                else if( strcmp( q, "non_repudiation" ) == 0 )
+                } else if (strcmp(q, "non_repudiation") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_NON_REPUDIATION;
-                else if( strcmp( q, "key_encipherment" ) == 0 )
+                } else if (strcmp(q, "key_encipherment") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_KEY_ENCIPHERMENT;
-                else if( strcmp( q, "data_encipherment" ) == 0 )
+                } else if (strcmp(q, "data_encipherment") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_DATA_ENCIPHERMENT;
-                else if( strcmp( q, "key_agreement" ) == 0 )
+                } else if (strcmp(q, "key_agreement") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_KEY_AGREEMENT;
-                else if( strcmp( q, "key_cert_sign" ) == 0 )
+                } else if (strcmp(q, "key_cert_sign") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_KEY_CERT_SIGN;
-                else if( strcmp( q, "crl_sign" ) == 0 )
+                } else if (strcmp(q, "crl_sign") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_CRL_SIGN;
-                else
+                } else {
                     goto usage;
+                }
 
                 q = r;
             }
-        }
-        else if( strcmp( p, "force_key_usage" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "force_key_usage") == 0) {
+            switch (atoi(q)) {
                 case 0: opt.force_key_usage = 0; break;
                 case 1: opt.force_key_usage = 1; break;
                 default: goto usage;
             }
-        }
-        else if( strcmp( p, "ns_cert_type" ) == 0 )
-        {
-            while( q != NULL )
-            {
-                if( ( r = strchr( q, ',' ) ) != NULL )
+        } else if (strcmp(p, "ns_cert_type") == 0) {
+            while (q != NULL) {
+                if ((r = strchr(q, ',')) != NULL) {
                     *r++ = '\0';
+                }
 
-                if( strcmp( q, "ssl_client" ) == 0 )
+                if (strcmp(q, "ssl_client") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CLIENT;
-                else if( strcmp( q, "ssl_server" ) == 0 )
+                } else if (strcmp(q, "ssl_server") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER;
-                else if( strcmp( q, "email" ) == 0 )
+                } else if (strcmp(q, "email") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL;
-                else if( strcmp( q, "object_signing" ) == 0 )
+                } else if (strcmp(q, "object_signing") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING;
-                else if( strcmp( q, "ssl_ca" ) == 0 )
+                } else if (strcmp(q, "ssl_ca") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CA;
-                else if( strcmp( q, "email_ca" ) == 0 )
+                } else if (strcmp(q, "email_ca") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL_CA;
-                else if( strcmp( q, "object_signing_ca" ) == 0 )
+                } else if (strcmp(q, "object_signing_ca") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING_CA;
-                else
+                } else {
                     goto usage;
+                }
 
                 q = r;
             }
-        }
-        else if( strcmp( p, "force_ns_cert_type" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "force_ns_cert_type") == 0) {
+            switch (atoi(q)) {
                 case 0: opt.force_ns_cert_type = 0; break;
                 case 1: opt.force_ns_cert_type = 1; break;
                 default: goto usage;
             }
-        }
-        else
+        } else {
             goto usage;
+        }
     }
 
-    mbedtls_x509write_csr_set_md_alg( &req, opt.md_alg );
+    mbedtls_x509write_csr_set_md_alg(&req, opt.md_alg);
 
-    if( opt.key_usage || opt.force_key_usage == 1 )
-        mbedtls_x509write_csr_set_key_usage( &req, opt.key_usage );
+    if (opt.key_usage || opt.force_key_usage == 1) {
+        mbedtls_x509write_csr_set_key_usage(&req, opt.key_usage);
+    }
 
-    if( opt.ns_cert_type || opt.force_ns_cert_type == 1 )
-        mbedtls_x509write_csr_set_ns_cert_type( &req, opt.ns_cert_type );
+    if (opt.ns_cert_type || opt.force_ns_cert_type == 1) {
+        mbedtls_x509write_csr_set_ns_cert_type(&req, opt.ns_cert_type);
+    }
 
     /*
      * 0. Seed the PRNG
      */
-    mbedtls_printf( "  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_ctr_drbg_seed returned %d", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_ctr_drbg_seed returned %d", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.0. Check the subject name for validity
      */
-    mbedtls_printf( "  . Checking subject name..." );
-    fflush( stdout );
+    mbedtls_printf("  . Checking subject name...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_x509write_csr_set_subject_name( &req, opt.subject_name ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509write_csr_set_subject_name returned %d", ret );
+    if ((ret = mbedtls_x509write_csr_set_subject_name(&req, opt.subject_name)) != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509write_csr_set_subject_name returned %d", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.1. Load the key
      */
-    mbedtls_printf( "  . Loading the private key ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the private key ...");
+    fflush(stdout);
 
-    ret = mbedtls_pk_parse_keyfile( &key, opt.filename, opt.password,
-                                    mbedtls_ctr_drbg_random, &ctr_drbg );
+    ret = mbedtls_pk_parse_keyfile(&key, opt.filename, opt.password,
+                                   mbedtls_ctr_drbg_random, &ctr_drbg);
 
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile returned %d", ret );
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_keyfile returned %d", ret);
         goto exit;
     }
 
-    mbedtls_x509write_csr_set_key( &req, &key );
+    mbedtls_x509write_csr_set_key(&req, &key);
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.2. Writing the request
      */
-    mbedtls_printf( "  . Writing the certificate request ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Writing the certificate request ...");
+    fflush(stdout);
 
-    if( ( ret = write_certificate_request( &req, opt.output_file,
-                                           mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  !  write_certificate_request %d", ret );
+    if ((ret = write_certificate_request(&req, opt.output_file,
+                                         mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_printf(" failed\n  !  write_certificate_request %d", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
 #ifdef MBEDTLS_ERROR_C
-        mbedtls_strerror( ret, buf, sizeof( buf ) );
-        mbedtls_printf( " - %s\n", buf );
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" - %s\n", buf);
 #else
         mbedtls_printf("\n");
 #endif
     }
 
-    mbedtls_x509write_csr_free( &req );
-    mbedtls_pk_free( &key );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509write_csr_free(&req);
+    mbedtls_pk_free(&key);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_X509_CSR_WRITE_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
           MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_PEM_WRITE_C */
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index a8910d7..3e134dd 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -26,13 +26,13 @@
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
     !defined(MBEDTLS_ERROR_C) || !defined(MBEDTLS_SHA256_C) || \
     !defined(MBEDTLS_PEM_WRITE_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_X509_CRT_WRITE_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
-            "MBEDTLS_FS_IO and/or MBEDTLS_SHA256_C and/or "
-            "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
-            "MBEDTLS_ERROR_C not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_X509_CRT_WRITE_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+                   "MBEDTLS_FS_IO and/or MBEDTLS_SHA256_C and/or "
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+                   "MBEDTLS_ERROR_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -49,7 +49,7 @@
 #include <string.h>
 
 #define SET_OID(x, oid) \
-    do { x.len = MBEDTLS_OID_SIZE(oid); x.p = (unsigned char*)oid; } while( 0 )
+    do { x.len = MBEDTLS_OID_SIZE(oid); x.p = (unsigned char *) oid; } while (0)
 
 #if defined(MBEDTLS_X509_CSR_PARSE_C)
 #define USAGE_CSR                                                           \
@@ -110,8 +110,8 @@
     "    issuer_pwd=%%s           default: (empty)\n"       \
     "    output_file=%%s          default: cert.crt\n"      \
     "    serial=%%s               default: 1\n"             \
-    "    not_before=%%s           default: 20010101000000\n"\
-    "    not_after=%%s            default: 20301231235959\n"\
+    "    not_before=%%s           default: 20010101000000\n" \
+    "    not_after=%%s            default: 20301231235959\n" \
     "    is_ca=%%d                default: 0 (disabled)\n"  \
     "    max_pathlen=%%d          default: -1 (none)\n"     \
     "    md=%%s                   default: SHA256\n"        \
@@ -119,16 +119,16 @@
     "                            MD5, RIPEMD160, SHA1,\n" \
     "                            SHA224, SHA256, SHA384, SHA512\n" \
     "    version=%%d              default: 3\n"            \
-    "                            Possible values: 1, 2, 3\n"\
+    "                            Possible values: 1, 2, 3\n" \
     "    subject_identifier=%%s   default: 1\n"             \
     "                            Possible values: 0, 1\n"   \
-    "                            (Considered for v3 only)\n"\
+    "                            (Considered for v3 only)\n" \
     "    authority_identifier=%%s default: 1\n"             \
     "                            Possible values: 0, 1\n"   \
-    "                            (Considered for v3 only)\n"\
+    "                            (Considered for v3 only)\n" \
     "    basic_constraints=%%d    default: 1\n"             \
     "                            Possible values: 0, 1\n"   \
-    "                            (Considered for v3 only)\n"\
+    "                            (Considered for v3 only)\n" \
     "    key_usage=%%s            default: (empty)\n"       \
     "                            Comma-separated-list of values:\n"     \
     "                            digital_signature\n"     \
@@ -138,7 +138,7 @@
     "                            key_agreement\n"         \
     "                            key_cert_sign\n"  \
     "                            crl_sign\n"              \
-    "                            (Considered for v3 only)\n"\
+    "                            (Considered for v3 only)\n" \
     "    ext_key_usage=%%s        default: (empty)\n"      \
     "                            Comma-separated-list of values:\n"     \
     "                            serverAuth\n"             \
@@ -163,8 +163,7 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char *issuer_crt;     /* filename of the issuer certificate   */
     const char *request_file;   /* filename of the certificate request  */
     const char *subject_key;    /* filename of the subject key file     */
@@ -191,9 +190,9 @@
     int format;                 /* format                               */
 } opt;
 
-int write_certificate( mbedtls_x509write_cert *crt, const char *output_file,
-                       int (*f_rng)(void *, unsigned char *, size_t),
-                       void *p_rng )
+int write_certificate(mbedtls_x509write_cert *crt, const char *output_file,
+                      int (*f_rng)(void *, unsigned char *, size_t),
+                      void *p_rng)
 {
     int ret;
     FILE *f;
@@ -201,48 +200,49 @@
     unsigned char *output_start;
     size_t len = 0;
 
-    memset( output_buf, 0, 4096 );
-    if ( opt.format == FORMAT_DER )
-    {
-        ret = mbedtls_x509write_crt_der( crt, output_buf, 4096,
-                                           f_rng, p_rng );
-        if( ret < 0 )
-            return( ret );
+    memset(output_buf, 0, 4096);
+    if (opt.format == FORMAT_DER) {
+        ret = mbedtls_x509write_crt_der(crt, output_buf, 4096,
+                                        f_rng, p_rng);
+        if (ret < 0) {
+            return ret;
+        }
 
         len = ret;
         output_start = output_buf + 4096 - len;
     } else {
-        ret = mbedtls_x509write_crt_pem( crt, output_buf, 4096,
-                                           f_rng, p_rng );
-        if( ret < 0 )
-            return( ret );
+        ret = mbedtls_x509write_crt_pem(crt, output_buf, 4096,
+                                        f_rng, p_rng);
+        if (ret < 0) {
+            return ret;
+        }
 
-        len = strlen( (char *) output_buf );
+        len = strlen((char *) output_buf);
         output_start = output_buf;
     }
 
-    if( ( f = fopen( output_file, "w" ) ) == NULL )
-        return( -1 );
-
-    if( fwrite( output_start, 1, len, f ) != len )
-    {
-        fclose( f );
-        return( -1 );
+    if ((f = fopen(output_file, "w")) == NULL) {
+        return -1;
     }
 
-    fclose( f );
+    if (fwrite(output_start, 1, len, f) != len) {
+        fclose(f);
+        return -1;
+    }
 
-    return( 0 );
+    fclose(f);
+
+    return 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
     mbedtls_x509_crt issuer_crt;
     mbedtls_pk_context loaded_issuer_key, loaded_subject_key;
     mbedtls_pk_context *issuer_key = &loaded_issuer_key,
-                *subject_key = &loaded_subject_key;
+                       *subject_key = &loaded_subject_key;
     char buf[1024];
     char issuer_name[256];
     int i;
@@ -261,22 +261,21 @@
     /*
      * Set to sane values
      */
-    mbedtls_x509write_crt_init( &crt );
-    mbedtls_pk_init( &loaded_issuer_key );
-    mbedtls_pk_init( &loaded_subject_key );
-    mbedtls_mpi_init( &serial );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    mbedtls_entropy_init( &entropy );
+    mbedtls_x509write_crt_init(&crt);
+    mbedtls_pk_init(&loaded_issuer_key);
+    mbedtls_pk_init(&loaded_subject_key);
+    mbedtls_mpi_init(&serial);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    mbedtls_entropy_init(&entropy);
 #if defined(MBEDTLS_X509_CSR_PARSE_C)
-    mbedtls_x509_csr_init( &csr );
+    mbedtls_x509_csr_init(&csr);
 #endif
-    mbedtls_x509_crt_init( &issuer_crt );
-    memset( buf, 0, sizeof(buf) );
+    mbedtls_x509_crt_init(&issuer_crt);
+    memset(buf, 0, sizeof(buf));
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
@@ -305,182 +304,143 @@
     opt.basic_constraints    = DFL_CONSTRAINTS;
     opt.format              = DFL_FORMAT;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
 
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "request_file" ) == 0 )
+        if (strcmp(p, "request_file") == 0) {
             opt.request_file = q;
-        else if( strcmp( p, "subject_key" ) == 0 )
+        } else if (strcmp(p, "subject_key") == 0) {
             opt.subject_key = q;
-        else if( strcmp( p, "issuer_key" ) == 0 )
+        } else if (strcmp(p, "issuer_key") == 0) {
             opt.issuer_key = q;
-        else if( strcmp( p, "subject_pwd" ) == 0 )
+        } else if (strcmp(p, "subject_pwd") == 0) {
             opt.subject_pwd = q;
-        else if( strcmp( p, "issuer_pwd" ) == 0 )
+        } else if (strcmp(p, "issuer_pwd") == 0) {
             opt.issuer_pwd = q;
-        else if( strcmp( p, "issuer_crt" ) == 0 )
+        } else if (strcmp(p, "issuer_crt") == 0) {
             opt.issuer_crt = q;
-        else if( strcmp( p, "output_file" ) == 0 )
+        } else if (strcmp(p, "output_file") == 0) {
             opt.output_file = q;
-        else if( strcmp( p, "subject_name" ) == 0 )
-        {
+        } else if (strcmp(p, "subject_name") == 0) {
             opt.subject_name = q;
-        }
-        else if( strcmp( p, "issuer_name" ) == 0 )
-        {
+        } else if (strcmp(p, "issuer_name") == 0) {
             opt.issuer_name = q;
-        }
-        else if( strcmp( p, "not_before" ) == 0 )
-        {
+        } else if (strcmp(p, "not_before") == 0) {
             opt.not_before = q;
-        }
-        else if( strcmp( p, "not_after" ) == 0 )
-        {
+        } else if (strcmp(p, "not_after") == 0) {
             opt.not_after = q;
-        }
-        else if( strcmp( p, "serial" ) == 0 )
-        {
+        } else if (strcmp(p, "serial") == 0) {
             opt.serial = q;
-        }
-        else if( strcmp( p, "authority_identifier" ) == 0 )
-        {
-            opt.authority_identifier = atoi( q );
-            if( opt.authority_identifier != 0 &&
-                opt.authority_identifier != 1 )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+        } else if (strcmp(p, "authority_identifier") == 0) {
+            opt.authority_identifier = atoi(q);
+            if (opt.authority_identifier != 0 &&
+                opt.authority_identifier != 1) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
-        }
-        else if( strcmp( p, "subject_identifier" ) == 0 )
-        {
-            opt.subject_identifier = atoi( q );
-            if( opt.subject_identifier != 0 &&
-                opt.subject_identifier != 1 )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+        } else if (strcmp(p, "subject_identifier") == 0) {
+            opt.subject_identifier = atoi(q);
+            if (opt.subject_identifier != 0 &&
+                opt.subject_identifier != 1) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
-        }
-        else if( strcmp( p, "basic_constraints" ) == 0 )
-        {
-            opt.basic_constraints = atoi( q );
-            if( opt.basic_constraints != 0 &&
-                opt.basic_constraints != 1 )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+        } else if (strcmp(p, "basic_constraints") == 0) {
+            opt.basic_constraints = atoi(q);
+            if (opt.basic_constraints != 0 &&
+                opt.basic_constraints != 1) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
-        }
-        else if( strcmp( p, "md" ) == 0 )
-        {
+        } else if (strcmp(p, "md") == 0) {
             const mbedtls_md_info_t *md_info =
-                mbedtls_md_info_from_string( q );
-            if( md_info == NULL )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+                mbedtls_md_info_from_string(q);
+            if (md_info == NULL) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
-            opt.md = mbedtls_md_get_type( md_info );
-        }
-        else if( strcmp( p, "version" ) == 0 )
-        {
-            opt.version = atoi( q );
-            if( opt.version < 1 || opt.version > 3 )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+            opt.md = mbedtls_md_get_type(md_info);
+        } else if (strcmp(p, "version") == 0) {
+            opt.version = atoi(q);
+            if (opt.version < 1 || opt.version > 3) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
             opt.version--;
-        }
-        else if( strcmp( p, "selfsign" ) == 0 )
-        {
-            opt.selfsign = atoi( q );
-            if( opt.selfsign < 0 || opt.selfsign > 1 )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+        } else if (strcmp(p, "selfsign") == 0) {
+            opt.selfsign = atoi(q);
+            if (opt.selfsign < 0 || opt.selfsign > 1) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
-        }
-        else if( strcmp( p, "is_ca" ) == 0 )
-        {
-            opt.is_ca = atoi( q );
-            if( opt.is_ca < 0 || opt.is_ca > 1 )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+        } else if (strcmp(p, "is_ca") == 0) {
+            opt.is_ca = atoi(q);
+            if (opt.is_ca < 0 || opt.is_ca > 1) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
-        }
-        else if( strcmp( p, "max_pathlen" ) == 0 )
-        {
-            opt.max_pathlen = atoi( q );
-            if( opt.max_pathlen < -1 || opt.max_pathlen > 127 )
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+        } else if (strcmp(p, "max_pathlen") == 0) {
+            opt.max_pathlen = atoi(q);
+            if (opt.max_pathlen < -1 || opt.max_pathlen > 127) {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
-        }
-        else if( strcmp( p, "key_usage" ) == 0 )
-        {
-            while( q != NULL )
-            {
-                if( ( r = strchr( q, ',' ) ) != NULL )
+        } else if (strcmp(p, "key_usage") == 0) {
+            while (q != NULL) {
+                if ((r = strchr(q, ',')) != NULL) {
                     *r++ = '\0';
+                }
 
-                if( strcmp( q, "digital_signature" ) == 0 )
+                if (strcmp(q, "digital_signature") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_DIGITAL_SIGNATURE;
-                else if( strcmp( q, "non_repudiation" ) == 0 )
+                } else if (strcmp(q, "non_repudiation") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_NON_REPUDIATION;
-                else if( strcmp( q, "key_encipherment" ) == 0 )
+                } else if (strcmp(q, "key_encipherment") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_KEY_ENCIPHERMENT;
-                else if( strcmp( q, "data_encipherment" ) == 0 )
+                } else if (strcmp(q, "data_encipherment") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_DATA_ENCIPHERMENT;
-                else if( strcmp( q, "key_agreement" ) == 0 )
+                } else if (strcmp(q, "key_agreement") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_KEY_AGREEMENT;
-                else if( strcmp( q, "key_cert_sign" ) == 0 )
+                } else if (strcmp(q, "key_cert_sign") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_KEY_CERT_SIGN;
-                else if( strcmp( q, "crl_sign" ) == 0 )
+                } else if (strcmp(q, "crl_sign") == 0) {
                     opt.key_usage |= MBEDTLS_X509_KU_CRL_SIGN;
-                else
-                {
-                    mbedtls_printf( "Invalid argument for option %s\n", p );
+                } else {
+                    mbedtls_printf("Invalid argument for option %s\n", p);
                     goto usage;
                 }
 
                 q = r;
             }
-        }
-        else if( strcmp( p, "ext_key_usage" ) == 0 )
-        {
+        } else if (strcmp(p, "ext_key_usage") == 0) {
             mbedtls_asn1_sequence **tail = &opt.ext_key_usage;
 
-            while( q != NULL )
-            {
-                if( ( r = strchr( q, ',' ) ) != NULL )
+            while (q != NULL) {
+                if ((r = strchr(q, ',')) != NULL) {
                     *r++ = '\0';
+                }
 
-                ext_key_usage = mbedtls_calloc( 1, sizeof(mbedtls_asn1_sequence) );
+                ext_key_usage = mbedtls_calloc(1, sizeof(mbedtls_asn1_sequence));
                 ext_key_usage->buf.tag = MBEDTLS_ASN1_OID;
-                if( strcmp( q, "serverAuth" ) == 0 )
-                    SET_OID( ext_key_usage->buf, MBEDTLS_OID_SERVER_AUTH );
-                else if( strcmp( q, "clientAuth" ) == 0 )
-                    SET_OID( ext_key_usage->buf, MBEDTLS_OID_CLIENT_AUTH );
-                else if( strcmp( q, "codeSigning" ) == 0 )
-                    SET_OID( ext_key_usage->buf, MBEDTLS_OID_CODE_SIGNING );
-                else if( strcmp( q, "emailProtection" ) == 0 )
-                    SET_OID( ext_key_usage->buf, MBEDTLS_OID_EMAIL_PROTECTION );
-                else if( strcmp( q, "timeStamping" ) == 0 )
-                    SET_OID( ext_key_usage->buf, MBEDTLS_OID_TIME_STAMPING );
-                else if( strcmp( q, "OCSPSigning" ) == 0 )
-                    SET_OID( ext_key_usage->buf, MBEDTLS_OID_OCSP_SIGNING );
-                else
-                {
-                    mbedtls_printf( "Invalid argument for option %s\n", p );
+                if (strcmp(q, "serverAuth") == 0) {
+                    SET_OID(ext_key_usage->buf, MBEDTLS_OID_SERVER_AUTH);
+                } else if (strcmp(q, "clientAuth") == 0) {
+                    SET_OID(ext_key_usage->buf, MBEDTLS_OID_CLIENT_AUTH);
+                } else if (strcmp(q, "codeSigning") == 0) {
+                    SET_OID(ext_key_usage->buf, MBEDTLS_OID_CODE_SIGNING);
+                } else if (strcmp(q, "emailProtection") == 0) {
+                    SET_OID(ext_key_usage->buf, MBEDTLS_OID_EMAIL_PROTECTION);
+                } else if (strcmp(q, "timeStamping") == 0) {
+                    SET_OID(ext_key_usage->buf, MBEDTLS_OID_TIME_STAMPING);
+                } else if (strcmp(q, "OCSPSigning") == 0) {
+                    SET_OID(ext_key_usage->buf, MBEDTLS_OID_OCSP_SIGNING);
+                } else {
+                    mbedtls_printf("Invalid argument for option %s\n", p);
                     goto usage;
                 }
 
@@ -489,49 +449,45 @@
 
                 q = r;
             }
-        }
-        else if( strcmp( p, "ns_cert_type" ) == 0 )
-        {
-            while( q != NULL )
-            {
-                if( ( r = strchr( q, ',' ) ) != NULL )
+        } else if (strcmp(p, "ns_cert_type") == 0) {
+            while (q != NULL) {
+                if ((r = strchr(q, ',')) != NULL) {
                     *r++ = '\0';
+                }
 
-                if( strcmp( q, "ssl_client" ) == 0 )
+                if (strcmp(q, "ssl_client") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CLIENT;
-                else if( strcmp( q, "ssl_server" ) == 0 )
+                } else if (strcmp(q, "ssl_server") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER;
-                else if( strcmp( q, "email" ) == 0 )
+                } else if (strcmp(q, "email") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL;
-                else if( strcmp( q, "object_signing" ) == 0 )
+                } else if (strcmp(q, "object_signing") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING;
-                else if( strcmp( q, "ssl_ca" ) == 0 )
+                } else if (strcmp(q, "ssl_ca") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CA;
-                else if( strcmp( q, "email_ca" ) == 0 )
+                } else if (strcmp(q, "email_ca") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL_CA;
-                else if( strcmp( q, "object_signing_ca" ) == 0 )
+                } else if (strcmp(q, "object_signing_ca") == 0) {
                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING_CA;
-                else
-                {
-                    mbedtls_printf( "Invalid argument for option %s\n", p );
+                } else {
+                    mbedtls_printf("Invalid argument for option %s\n", p);
                     goto usage;
                 }
 
                 q = r;
             }
-        }
-        else if( strcmp( p, "format" ) == 0 )
-        {
-            if      ( strcmp(q, "der" ) == 0 ) opt.format = FORMAT_DER;
-            else if ( strcmp(q, "pem" ) == 0 ) opt.format = FORMAT_PEM;
-            else
-            {
-                mbedtls_printf( "Invalid argument for option %s\n", p );
+        } else if (strcmp(p, "format") == 0) {
+            if (strcmp(q, "der") == 0) {
+                opt.format = FORMAT_DER;
+            } else if (strcmp(q, "pem") == 0) {
+                opt.format = FORMAT_PEM;
+            } else {
+                mbedtls_printf("Invalid argument for option %s\n", p);
                 goto usage;
             }
-        }
-        else
+        } else {
             goto usage;
+        }
     }
 
     mbedtls_printf("\n");
@@ -539,351 +495,323 @@
     /*
      * 0. Seed the PRNG
      */
-    mbedtls_printf( "  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_strerror( ret, buf, sizeof(buf) );
-        mbedtls_printf( " failed\n  !  mbedtls_ctr_drbg_seed returned %d - %s\n",
-                        ret, buf );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *) pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" failed\n  !  mbedtls_ctr_drbg_seed returned %d - %s\n",
+                       ret, buf);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     // Parse serial to MPI
     //
-    mbedtls_printf( "  . Reading serial number..." );
-    fflush( stdout );
+    mbedtls_printf("  . Reading serial number...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_mpi_read_string( &serial, 10, opt.serial ) ) != 0 )
-    {
-        mbedtls_strerror( ret, buf, sizeof(buf) );
-        mbedtls_printf( " failed\n  !  mbedtls_mpi_read_string "
-                        "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+    if ((ret = mbedtls_mpi_read_string(&serial, 10, opt.serial)) != 0) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" failed\n  !  mbedtls_mpi_read_string "
+                       "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     // Parse issuer certificate if present
     //
-    if( !opt.selfsign && strlen( opt.issuer_crt ) )
-    {
+    if (!opt.selfsign && strlen(opt.issuer_crt)) {
         /*
          * 1.0.a. Load the certificates
          */
-        mbedtls_printf( "  . Loading the issuer certificate ..." );
-        fflush( stdout );
+        mbedtls_printf("  . Loading the issuer certificate ...");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_x509_crt_parse_file( &issuer_crt, opt.issuer_crt ) ) != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_file "
-                            "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+        if ((ret = mbedtls_x509_crt_parse_file(&issuer_crt, opt.issuer_crt)) != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse_file "
+                           "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
             goto exit;
         }
 
-        ret = mbedtls_x509_dn_gets( issuer_name, sizeof(issuer_name),
-                                 &issuer_crt.subject );
-        if( ret < 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509_dn_gets "
-                            "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+        ret = mbedtls_x509_dn_gets(issuer_name, sizeof(issuer_name),
+                                   &issuer_crt.subject);
+        if (ret < 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_x509_dn_gets "
+                           "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
             goto exit;
         }
 
         opt.issuer_name = issuer_name;
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 
 #if defined(MBEDTLS_X509_CSR_PARSE_C)
     // Parse certificate request if present
     //
-    if( !opt.selfsign && strlen( opt.request_file ) )
-    {
+    if (!opt.selfsign && strlen(opt.request_file)) {
         /*
          * 1.0.b. Load the CSR
          */
-        mbedtls_printf( "  . Loading the certificate request ..." );
-        fflush( stdout );
+        mbedtls_printf("  . Loading the certificate request ...");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_x509_csr_parse_file( &csr, opt.request_file ) ) != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509_csr_parse_file "
-                            "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+        if ((ret = mbedtls_x509_csr_parse_file(&csr, opt.request_file)) != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_x509_csr_parse_file "
+                           "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
             goto exit;
         }
 
-        ret = mbedtls_x509_dn_gets( subject_name, sizeof(subject_name),
-                                 &csr.subject );
-        if( ret < 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509_dn_gets "
-                            "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+        ret = mbedtls_x509_dn_gets(subject_name, sizeof(subject_name),
+                                   &csr.subject);
+        if (ret < 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_x509_dn_gets "
+                           "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
             goto exit;
         }
 
         opt.subject_name = subject_name;
         subject_key = &csr.pk;
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif /* MBEDTLS_X509_CSR_PARSE_C */
 
     /*
      * 1.1. Load the keys
      */
-    if( !opt.selfsign && !strlen( opt.request_file ) )
-    {
-        mbedtls_printf( "  . Loading the subject key ..." );
-        fflush( stdout );
+    if (!opt.selfsign && !strlen(opt.request_file)) {
+        mbedtls_printf("  . Loading the subject key ...");
+        fflush(stdout);
 
-        ret = mbedtls_pk_parse_keyfile( &loaded_subject_key, opt.subject_key,
-                opt.subject_pwd, mbedtls_ctr_drbg_random, &ctr_drbg );
-        if( ret != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile "
-                            "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+        ret = mbedtls_pk_parse_keyfile(&loaded_subject_key, opt.subject_key,
+                                       opt.subject_pwd, mbedtls_ctr_drbg_random, &ctr_drbg);
+        if (ret != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_pk_parse_keyfile "
+                           "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 
-    mbedtls_printf( "  . Loading the issuer key ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the issuer key ...");
+    fflush(stdout);
 
-    ret = mbedtls_pk_parse_keyfile( &loaded_issuer_key, opt.issuer_key,
-            opt.issuer_pwd, mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_strerror( ret, buf, sizeof(buf) );
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile "
-                        "returned -x%02x - %s\n\n", (unsigned int) -ret, buf );
+    ret = mbedtls_pk_parse_keyfile(&loaded_issuer_key, opt.issuer_key,
+                                   opt.issuer_pwd, mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_keyfile "
+                       "returned -x%02x - %s\n\n", (unsigned int) -ret, buf);
         goto exit;
     }
 
     // Check if key and issuer certificate match
     //
-    if( strlen( opt.issuer_crt ) )
-    {
-        if( mbedtls_pk_check_pair( &issuer_crt.pk, issuer_key,
-                                   mbedtls_ctr_drbg_random, &ctr_drbg ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  issuer_key does not match "
-                            "issuer certificate\n\n" );
+    if (strlen(opt.issuer_crt)) {
+        if (mbedtls_pk_check_pair(&issuer_crt.pk, issuer_key,
+                                  mbedtls_ctr_drbg_random, &ctr_drbg) != 0) {
+            mbedtls_printf(" failed\n  !  issuer_key does not match "
+                           "issuer certificate\n\n");
             goto exit;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-    if( opt.selfsign )
-    {
+    if (opt.selfsign) {
         opt.subject_name = opt.issuer_name;
         subject_key = issuer_key;
     }
 
-    mbedtls_x509write_crt_set_subject_key( &crt, subject_key );
-    mbedtls_x509write_crt_set_issuer_key( &crt, issuer_key );
+    mbedtls_x509write_crt_set_subject_key(&crt, subject_key);
+    mbedtls_x509write_crt_set_issuer_key(&crt, issuer_key);
 
     /*
      * 1.0. Check the names for validity
      */
-    if( ( ret = mbedtls_x509write_crt_set_subject_name( &crt, opt.subject_name ) ) != 0 )
-    {
-        mbedtls_strerror( ret, buf, sizeof(buf) );
-        mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_subject_name "
-                        "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+    if ((ret = mbedtls_x509write_crt_set_subject_name(&crt, opt.subject_name)) != 0) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" failed\n  !  mbedtls_x509write_crt_set_subject_name "
+                       "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
         goto exit;
     }
 
-    if( ( ret = mbedtls_x509write_crt_set_issuer_name( &crt, opt.issuer_name ) ) != 0 )
-    {
-        mbedtls_strerror( ret, buf, sizeof(buf) );
-        mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_issuer_name "
-                        "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+    if ((ret = mbedtls_x509write_crt_set_issuer_name(&crt, opt.issuer_name)) != 0) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" failed\n  !  mbedtls_x509write_crt_set_issuer_name "
+                       "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
         goto exit;
     }
 
-    mbedtls_printf( "  . Setting certificate values ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting certificate values ...");
+    fflush(stdout);
 
-    mbedtls_x509write_crt_set_version( &crt, opt.version );
-    mbedtls_x509write_crt_set_md_alg( &crt, opt.md );
+    mbedtls_x509write_crt_set_version(&crt, opt.version);
+    mbedtls_x509write_crt_set_md_alg(&crt, opt.md);
 
-    ret = mbedtls_x509write_crt_set_serial( &crt, &serial );
-    if( ret != 0 )
-    {
-        mbedtls_strerror( ret, buf, sizeof(buf) );
-        mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_serial "
-                        "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+    ret = mbedtls_x509write_crt_set_serial(&crt, &serial);
+    if (ret != 0) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" failed\n  !  mbedtls_x509write_crt_set_serial "
+                       "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
         goto exit;
     }
 
-    ret = mbedtls_x509write_crt_set_validity( &crt, opt.not_before, opt.not_after );
-    if( ret != 0 )
-    {
-        mbedtls_strerror( ret, buf, sizeof(buf) );
-        mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_validity "
-                        "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+    ret = mbedtls_x509write_crt_set_validity(&crt, opt.not_before, opt.not_after);
+    if (ret != 0) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" failed\n  !  mbedtls_x509write_crt_set_validity "
+                       "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-    if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
-        opt.basic_constraints != 0 )
-    {
-        mbedtls_printf( "  . Adding the Basic Constraints extension ..." );
-        fflush( stdout );
+    if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+        opt.basic_constraints != 0) {
+        mbedtls_printf("  . Adding the Basic Constraints extension ...");
+        fflush(stdout);
 
-        ret = mbedtls_x509write_crt_set_basic_constraints( &crt, opt.is_ca,
-                                                           opt.max_pathlen );
-        if( ret != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  x509write_crt_set_basic_constraints "
-                            "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+        ret = mbedtls_x509write_crt_set_basic_constraints(&crt, opt.is_ca,
+                                                          opt.max_pathlen);
+        if (ret != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  x509write_crt_set_basic_constraints "
+                           "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 
 #if defined(MBEDTLS_SHA1_C)
-    if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
-        opt.subject_identifier != 0 )
-    {
-        mbedtls_printf( "  . Adding the Subject Key Identifier ..." );
-        fflush( stdout );
+    if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+        opt.subject_identifier != 0) {
+        mbedtls_printf("  . Adding the Subject Key Identifier ...");
+        fflush(stdout);
 
-        ret = mbedtls_x509write_crt_set_subject_key_identifier( &crt );
-        if( ret != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_subject"
-                            "_key_identifier returned -0x%04x - %s\n\n",
-                            (unsigned int) -ret, buf );
+        ret = mbedtls_x509write_crt_set_subject_key_identifier(&crt);
+        if (ret != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_x509write_crt_set_subject"
+                           "_key_identifier returned -0x%04x - %s\n\n",
+                           (unsigned int) -ret, buf);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 
-    if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
-        opt.authority_identifier != 0 )
-    {
-        mbedtls_printf( "  . Adding the Authority Key Identifier ..." );
-        fflush( stdout );
+    if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+        opt.authority_identifier != 0) {
+        mbedtls_printf("  . Adding the Authority Key Identifier ...");
+        fflush(stdout);
 
-        ret = mbedtls_x509write_crt_set_authority_key_identifier( &crt );
-        if( ret != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_authority_"
-                            "key_identifier returned -0x%04x - %s\n\n",
-                            (unsigned int) -ret, buf );
+        ret = mbedtls_x509write_crt_set_authority_key_identifier(&crt);
+        if (ret != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_x509write_crt_set_authority_"
+                           "key_identifier returned -0x%04x - %s\n\n",
+                           (unsigned int) -ret, buf);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 #endif /* MBEDTLS_SHA1_C */
 
-    if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
-        opt.key_usage != 0 )
-    {
-        mbedtls_printf( "  . Adding the Key Usage extension ..." );
-        fflush( stdout );
+    if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+        opt.key_usage != 0) {
+        mbedtls_printf("  . Adding the Key Usage extension ...");
+        fflush(stdout);
 
-        ret = mbedtls_x509write_crt_set_key_usage( &crt, opt.key_usage );
-        if( ret != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_key_usage "
-                            "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+        ret = mbedtls_x509write_crt_set_key_usage(&crt, opt.key_usage);
+        if (ret != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_x509write_crt_set_key_usage "
+                           "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 
-    if( opt.ext_key_usage )
-    {
-        mbedtls_printf( "  . Adding the Extended Key Usage extension ..." );
-        fflush( stdout );
+    if (opt.ext_key_usage) {
+        mbedtls_printf("  . Adding the Extended Key Usage extension ...");
+        fflush(stdout);
 
-        ret = mbedtls_x509write_crt_set_ext_key_usage( &crt, opt.ext_key_usage );
-        if( ret != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_ext_key_usage returned -0x%02x - %s\n\n", (unsigned int) -ret, buf );
+        ret = mbedtls_x509write_crt_set_ext_key_usage(&crt, opt.ext_key_usage);
+        if (ret != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(
+                " failed\n  !  mbedtls_x509write_crt_set_ext_key_usage returned -0x%02x - %s\n\n",
+                (unsigned int) -ret,
+                buf);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 
-    if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
-        opt.ns_cert_type != 0 )
-    {
-        mbedtls_printf( "  . Adding the NS Cert Type extension ..." );
-        fflush( stdout );
+    if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+        opt.ns_cert_type != 0) {
+        mbedtls_printf("  . Adding the NS Cert Type extension ...");
+        fflush(stdout);
 
-        ret = mbedtls_x509write_crt_set_ns_cert_type( &crt, opt.ns_cert_type );
-        if( ret != 0 )
-        {
-            mbedtls_strerror( ret, buf, sizeof(buf) );
-            mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_ns_cert_type "
-                            "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
+        ret = mbedtls_x509write_crt_set_ns_cert_type(&crt, opt.ns_cert_type);
+        if (ret != 0) {
+            mbedtls_strerror(ret, buf, sizeof(buf));
+            mbedtls_printf(" failed\n  !  mbedtls_x509write_crt_set_ns_cert_type "
+                           "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
 
     /*
      * 1.2. Writing the certificate
      */
-    mbedtls_printf( "  . Writing the certificate..." );
-    fflush( stdout );
+    mbedtls_printf("  . Writing the certificate...");
+    fflush(stdout);
 
-    if( ( ret = write_certificate( &crt, opt.output_file,
-                                   mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        mbedtls_strerror( ret, buf, sizeof(buf) );
-        mbedtls_printf( " failed\n  !  write_certificate -0x%04x - %s\n\n",
-                        (unsigned int) -ret, buf );
+    if ((ret = write_certificate(&crt, opt.output_file,
+                                 mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+        mbedtls_strerror(ret, buf, sizeof(buf));
+        mbedtls_printf(" failed\n  !  write_certificate -0x%04x - %s\n\n",
+                       (unsigned int) -ret, buf);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 #if defined(MBEDTLS_X509_CSR_PARSE_C)
-    mbedtls_x509_csr_free( &csr );
+    mbedtls_x509_csr_free(&csr);
 #endif /* MBEDTLS_X509_CSR_PARSE_C */
-    mbedtls_x509_crt_free( &issuer_crt );
-    mbedtls_x509write_crt_free( &crt );
-    mbedtls_pk_free( &loaded_subject_key );
-    mbedtls_pk_free( &loaded_issuer_key );
-    mbedtls_mpi_free( &serial );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&issuer_crt);
+    mbedtls_x509write_crt_free(&crt);
+    mbedtls_pk_free(&loaded_subject_key);
+    mbedtls_pk_free(&loaded_issuer_key);
+    mbedtls_mpi_free(&serial);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_X509_CRT_WRITE_C && MBEDTLS_X509_CRT_PARSE_C &&
           MBEDTLS_FS_IO && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
diff --git a/programs/x509/crl_app.c b/programs/x509/crl_app.c
index 28cb99e..f06987c 100644
--- a/programs/x509/crl_app.c
+++ b/programs/x509/crl_app.c
@@ -24,12 +24,12 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_X509_CRL_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
     defined(MBEDTLS_X509_REMOVE_INFO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_X509_CRL_PARSE_C and/or MBEDTLS_FS_IO not defined and/or "
-           "MBEDTLS_X509_REMOVE_INFO defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_X509_CRL_PARSE_C and/or MBEDTLS_FS_IO not defined and/or "
+                   "MBEDTLS_X509_REMOVE_INFO defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -52,12 +52,11 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char *filename;       /* filename of the certificate file     */
 } opt;
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -69,67 +68,65 @@
     /*
      * Set to sane values
      */
-    mbedtls_x509_crl_init( &crl );
+    mbedtls_x509_crl_init(&crl);
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
     opt.filename            = DFL_FILENAME;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "filename" ) == 0 )
+        if (strcmp(p, "filename") == 0) {
             opt.filename = q;
-        else
+        } else {
             goto usage;
+        }
     }
 
     /*
      * 1.1. Load the CRL
      */
-    mbedtls_printf( "\n  . Loading the CRL ..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Loading the CRL ...");
+    fflush(stdout);
 
-    ret = mbedtls_x509_crl_parse_file( &crl, opt.filename );
+    ret = mbedtls_x509_crl_parse_file(&crl, opt.filename);
 
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crl_parse_file returned %d\n\n", ret );
-        mbedtls_x509_crl_free( &crl );
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crl_parse_file returned %d\n\n", ret);
+        mbedtls_x509_crl_free(&crl);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.2 Print the CRL
      */
-    mbedtls_printf( "  . CRL information    ...\n" );
-    ret = mbedtls_x509_crl_info( (char *) buf, sizeof( buf ) - 1, "      ", &crl );
-    if( ret == -1 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crl_info returned %d\n\n", ret );
-        mbedtls_x509_crl_free( &crl );
+    mbedtls_printf("  . CRL information    ...\n");
+    ret = mbedtls_x509_crl_info((char *) buf, sizeof(buf) - 1, "      ", &crl);
+    if (ret == -1) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crl_info returned %d\n\n", ret);
+        mbedtls_x509_crl_free(&crl);
         goto exit;
     }
 
-    mbedtls_printf( "%s\n", buf );
+    mbedtls_printf("%s\n", buf);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_x509_crl_free( &crl );
+    mbedtls_x509_crl_free(&crl);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CRL_PARSE_C &&
           MBEDTLS_FS_IO */
diff --git a/programs/x509/load_roots.c b/programs/x509/load_roots.c
index b8b0ecd..237bd7c 100644
--- a/programs/x509/load_roots.c
+++ b/programs/x509/load_roots.c
@@ -50,11 +50,11 @@
 
 #if !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) ||  \
     !defined(MBEDTLS_TIMING_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_FS_IO and/or "
-           "MBEDTLS_TIMING_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_TIMING_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -80,55 +80,51 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char **filenames;     /* NULL-terminated list of file names */
     unsigned iterations;        /* Number of iterations to time */
     int prime_cache;            /* Prime the disk read cache? */
 } opt;
 
 
-int read_certificates( const char *const *filenames )
+int read_certificates(const char *const *filenames)
 {
     mbedtls_x509_crt cas;
     int ret = 0;
     const char *const *cur;
 
-    mbedtls_x509_crt_init( &cas );
+    mbedtls_x509_crt_init(&cas);
 
-    for( cur = filenames; *cur != NULL; cur++ )
-    {
-        ret = mbedtls_x509_crt_parse_file( &cas, *cur );
-        if( ret != 0 )
-        {
+    for (cur = filenames; *cur != NULL; cur++) {
+        ret = mbedtls_x509_crt_parse_file(&cas, *cur);
+        if (ret != 0) {
 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
             char error_message[200];
-            mbedtls_strerror( ret, error_message, sizeof( error_message ) );
-            printf( "\n%s: -0x%04x (%s)\n",
-                    *cur, (unsigned) -ret, error_message );
+            mbedtls_strerror(ret, error_message, sizeof(error_message));
+            printf("\n%s: -0x%04x (%s)\n",
+                   *cur, (unsigned) -ret, error_message);
 #else
-            printf( "\n%s: -0x%04x\n",
-                    *cur, (unsigned) -ret );
+            printf("\n%s: -0x%04x\n",
+                   *cur, (unsigned) -ret);
 #endif
             goto exit;
         }
     }
 
 exit:
-    mbedtls_x509_crt_free( &cas );
-    return( ret == 0 );
+    mbedtls_x509_crt_free(&cas);
+    return ret == 0;
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int exit_code = MBEDTLS_EXIT_FAILURE;
     unsigned i, j;
     struct mbedtls_timing_hr_time timer;
     unsigned long ms;
 
-    if( argc <= 1 )
-    {
-        mbedtls_printf( USAGE );
+    if (argc <= 1) {
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
@@ -136,66 +132,61 @@
     opt.iterations = DFL_ITERATIONS;
     opt.prime_cache = DFL_PRIME_CACHE;
 
-    for( i = 1; i < (unsigned) argc; i++ )
-    {
+    for (i = 1; i < (unsigned) argc; i++) {
         char *p = argv[i];
         char *q = NULL;
 
-        if( strcmp( p, "--" ) == 0 )
+        if (strcmp(p, "--") == 0) {
             break;
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        }
+        if ((q = strchr(p, '=')) == NULL) {
             break;
+        }
         *q++ = '\0';
 
-        for( j = 0; p + j < q; j++ )
-        {
-            if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
+        for (j = 0; p + j < q; j++) {
+            if (argv[i][j] >= 'A' && argv[i][j] <= 'Z') {
                 argv[i][j] |= 0x20;
+            }
         }
 
-        if( strcmp( p, "iterations" ) == 0 )
-        {
-            opt.iterations = atoi( q );
-        }
-        else if( strcmp( p, "prime" ) == 0 )
-        {
-            opt.iterations = atoi( q ) != 0;
-        }
-        else
-        {
-            mbedtls_printf( "Unknown option: %s\n", p );
-            mbedtls_printf( USAGE );
+        if (strcmp(p, "iterations") == 0) {
+            opt.iterations = atoi(q);
+        } else if (strcmp(p, "prime") == 0) {
+            opt.iterations = atoi(q) != 0;
+        } else {
+            mbedtls_printf("Unknown option: %s\n", p);
+            mbedtls_printf(USAGE);
             goto exit;
         }
     }
 
-    opt.filenames = (const char**) argv + i;
-    if( *opt.filenames == 0 )
-    {
-        mbedtls_printf( "Missing list of certificate files to parse\n" );
+    opt.filenames = (const char **) argv + i;
+    if (*opt.filenames == 0) {
+        mbedtls_printf("Missing list of certificate files to parse\n");
         goto exit;
     }
 
-    mbedtls_printf( "Parsing %u certificates", argc - i );
-    if( opt.prime_cache )
-    {
-        if( ! read_certificates( opt.filenames ) )
+    mbedtls_printf("Parsing %u certificates", argc - i);
+    if (opt.prime_cache) {
+        if (!read_certificates(opt.filenames)) {
             goto exit;
-        mbedtls_printf( " " );
+        }
+        mbedtls_printf(" ");
     }
 
-    (void) mbedtls_timing_get_timer( &timer, 1 );
-    for( i = 1; i <= opt.iterations; i++ )
-    {
-        if( ! read_certificates( opt.filenames ) )
+    (void) mbedtls_timing_get_timer(&timer, 1);
+    for (i = 1; i <= opt.iterations; i++) {
+        if (!read_certificates(opt.filenames)) {
             goto exit;
-        mbedtls_printf( "." );
+        }
+        mbedtls_printf(".");
     }
-    ms = mbedtls_timing_get_timer( &timer, 0 );
-    mbedtls_printf( "\n%u iterations -> %lu ms\n", opt.iterations, ms );
+    ms = mbedtls_timing_get_timer(&timer, 0);
+    mbedtls_printf("\n%u iterations -> %lu ms\n", opt.iterations, ms);
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* necessary configuration */
diff --git a/programs/x509/req_app.c b/programs/x509/req_app.c
index dda14e1..8cfe4a4 100644
--- a/programs/x509/req_app.c
+++ b/programs/x509/req_app.c
@@ -24,12 +24,12 @@
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_X509_CSR_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
     defined(MBEDTLS_X509_REMOVE_INFO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_X509_CSR_PARSE_C and/or MBEDTLS_FS_IO not defined and/or "
-           "MBEDTLS_X509_REMOVE_INFO defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_X509_CSR_PARSE_C and/or MBEDTLS_FS_IO not defined and/or "
+                   "MBEDTLS_X509_REMOVE_INFO defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
@@ -52,12 +52,11 @@
 /*
  * global options
  */
-struct options
-{
+struct options {
     const char *filename;       /* filename of the certificate request  */
 } opt;
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -69,67 +68,65 @@
     /*
      * Set to sane values
      */
-    mbedtls_x509_csr_init( &csr );
+    mbedtls_x509_csr_init(&csr);
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
         goto exit;
     }
 
     opt.filename            = DFL_FILENAME;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL) {
             goto usage;
+        }
         *q++ = '\0';
 
-        if( strcmp( p, "filename" ) == 0 )
+        if (strcmp(p, "filename") == 0) {
             opt.filename = q;
-        else
+        } else {
             goto usage;
+        }
     }
 
     /*
      * 1.1. Load the CSR
      */
-    mbedtls_printf( "\n  . Loading the CSR ..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Loading the CSR ...");
+    fflush(stdout);
 
-    ret = mbedtls_x509_csr_parse_file( &csr, opt.filename );
+    ret = mbedtls_x509_csr_parse_file(&csr, opt.filename);
 
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_csr_parse_file returned %d\n\n", ret );
-        mbedtls_x509_csr_free( &csr );
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_csr_parse_file returned %d\n\n", ret);
+        mbedtls_x509_csr_free(&csr);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.2 Print the CSR
      */
-    mbedtls_printf( "  . CSR information    ...\n" );
-    ret = mbedtls_x509_csr_info( (char *) buf, sizeof( buf ) - 1, "      ", &csr );
-    if( ret == -1 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_csr_info returned %d\n\n", ret );
-        mbedtls_x509_csr_free( &csr );
+    mbedtls_printf("  . CSR information    ...\n");
+    ret = mbedtls_x509_csr_info((char *) buf, sizeof(buf) - 1, "      ", &csr);
+    if (ret == -1) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_csr_info returned %d\n\n", ret);
+        mbedtls_x509_csr_free(&csr);
         goto exit;
     }
 
-    mbedtls_printf( "%s\n", buf );
+    mbedtls_printf("%s\n", buf);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_x509_csr_free( &csr );
+    mbedtls_x509_csr_free(&csr);
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CSR_PARSE_C &&
           MBEDTLS_FS_IO */