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 */