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 */