diff --git a/programs/psa/crypto_examples.c b/programs/psa/crypto_examples.c
index 935d657..3f109d8 100644
--- a/programs/psa/crypto_examples.c
+++ b/programs/psa/crypto_examples.c
@@ -20,146 +20,145 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#define ASSERT( predicate )                                                   \
+#define ASSERT(predicate)                                                   \
     do                                                                        \
     {                                                                         \
-        if( ! ( predicate ) )                                                 \
+        if (!(predicate))                                                 \
         {                                                                     \
-            printf( "\tassertion failed at %s:%d - '%s'\r\n",         \
-                    __FILE__, __LINE__, #predicate);                  \
+            printf("\tassertion failed at %s:%d - '%s'\r\n",         \
+                   __FILE__, __LINE__, #predicate);                  \
             goto exit;                                                        \
         }                                                                     \
-    } while ( 0 )
+    } while (0)
 
-#define ASSERT_STATUS( actual, expected )                                     \
+#define ASSERT_STATUS(actual, expected)                                     \
     do                                                                        \
     {                                                                         \
-        if( ( actual ) != ( expected ) )                                      \
+        if ((actual) != (expected))                                      \
         {                                                                     \
-            printf( "\tassertion failed at %s:%d - "                  \
-                    "actual:%d expected:%d\r\n", __FILE__, __LINE__,  \
-                            (psa_status_t) actual, (psa_status_t) expected ); \
+            printf("\tassertion failed at %s:%d - "                  \
+                   "actual:%d expected:%d\r\n", __FILE__, __LINE__,  \
+                   (psa_status_t) actual, (psa_status_t) expected); \
             goto exit;                                                        \
         }                                                                     \
-    } while ( 0 )
+    } while (0)
 
 #if !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(MBEDTLS_AES_C) || \
     !defined(MBEDTLS_CIPHER_MODE_CBC) || !defined(MBEDTLS_CIPHER_MODE_CTR) || \
     !defined(MBEDTLS_CIPHER_MODE_WITH_PADDING) || \
     defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_AES_C and/or "
-            "MBEDTLS_CIPHER_MODE_CBC and/or MBEDTLS_CIPHER_MODE_CTR "
-            "and/or MBEDTLS_CIPHER_MODE_WITH_PADDING "
-            "not defined and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER"
-            " defined.\r\n" );
-    return( 0 );
+    printf("MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_AES_C and/or "
+           "MBEDTLS_CIPHER_MODE_CBC and/or MBEDTLS_CIPHER_MODE_CTR "
+           "and/or MBEDTLS_CIPHER_MODE_WITH_PADDING "
+           "not defined and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER"
+           " defined.\r\n");
+    return 0;
 }
 #else
 
-static psa_status_t cipher_operation( psa_cipher_operation_t *operation,
-                                      const uint8_t * input,
-                                      size_t input_size,
-                                      size_t part_size,
-                                      uint8_t * output,
-                                      size_t output_size,
-                                      size_t *output_len )
+static psa_status_t cipher_operation(psa_cipher_operation_t *operation,
+                                     const uint8_t *input,
+                                     size_t input_size,
+                                     size_t part_size,
+                                     uint8_t *output,
+                                     size_t output_size,
+                                     size_t *output_len)
 {
     psa_status_t status;
     size_t bytes_to_write = 0, bytes_written = 0, len = 0;
 
     *output_len = 0;
-    while( bytes_written != input_size )
-    {
-        bytes_to_write = ( input_size - bytes_written > part_size ?
-                           part_size :
-                           input_size - bytes_written );
+    while (bytes_written != input_size) {
+        bytes_to_write = (input_size - bytes_written > part_size ?
+                          part_size :
+                          input_size - bytes_written);
 
-        status = psa_cipher_update( operation, input + bytes_written,
-                                    bytes_to_write, output + *output_len,
-                                    output_size - *output_len, &len );
-        ASSERT_STATUS( status, PSA_SUCCESS );
+        status = psa_cipher_update(operation, input + bytes_written,
+                                   bytes_to_write, output + *output_len,
+                                   output_size - *output_len, &len);
+        ASSERT_STATUS(status, PSA_SUCCESS);
 
         bytes_written += bytes_to_write;
         *output_len += len;
     }
 
-    status = psa_cipher_finish( operation, output + *output_len,
-                                output_size - *output_len, &len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_cipher_finish(operation, output + *output_len,
+                               output_size - *output_len, &len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
     *output_len += len;
 
 exit:
-    return( status );
+    return status;
 }
 
-static psa_status_t cipher_encrypt( psa_key_id_t key,
-                                    psa_algorithm_t alg,
-                                    uint8_t * iv,
-                                    size_t iv_size,
-                                    const uint8_t * input,
-                                    size_t input_size,
-                                    size_t part_size,
-                                    uint8_t * output,
-                                    size_t output_size,
-                                    size_t *output_len )
+static psa_status_t cipher_encrypt(psa_key_id_t key,
+                                   psa_algorithm_t alg,
+                                   uint8_t *iv,
+                                   size_t iv_size,
+                                   const uint8_t *input,
+                                   size_t input_size,
+                                   size_t part_size,
+                                   uint8_t *output,
+                                   size_t output_size,
+                                   size_t *output_len)
 {
     psa_status_t status;
     psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
     size_t iv_len = 0;
 
-    memset( &operation, 0, sizeof( operation ) );
-    status = psa_cipher_encrypt_setup( &operation, key, alg );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    memset(&operation, 0, sizeof(operation));
+    status = psa_cipher_encrypt_setup(&operation, key, alg);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = psa_cipher_generate_iv( &operation, iv, iv_size, &iv_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_cipher_generate_iv(&operation, iv, iv_size, &iv_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_operation( &operation, input, input_size, part_size,
-                               output, output_size, output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_operation(&operation, input, input_size, part_size,
+                              output, output_size, output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_cipher_abort( &operation );
-    return( status );
+    psa_cipher_abort(&operation);
+    return status;
 }
 
-static psa_status_t cipher_decrypt( psa_key_id_t key,
-                                    psa_algorithm_t alg,
-                                    const uint8_t * iv,
-                                    size_t iv_size,
-                                    const uint8_t * input,
-                                    size_t input_size,
-                                    size_t part_size,
-                                    uint8_t * output,
-                                    size_t output_size,
-                                    size_t *output_len )
+static psa_status_t cipher_decrypt(psa_key_id_t key,
+                                   psa_algorithm_t alg,
+                                   const uint8_t *iv,
+                                   size_t iv_size,
+                                   const uint8_t *input,
+                                   size_t input_size,
+                                   size_t part_size,
+                                   uint8_t *output,
+                                   size_t output_size,
+                                   size_t *output_len)
 {
     psa_status_t status;
     psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
 
-    memset( &operation, 0, sizeof( operation ) );
-    status = psa_cipher_decrypt_setup( &operation, key, alg );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    memset(&operation, 0, sizeof(operation));
+    status = psa_cipher_decrypt_setup(&operation, key, alg);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = psa_cipher_set_iv( &operation, iv, iv_size );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_cipher_set_iv(&operation, iv, iv_size);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_operation( &operation, input, input_size, part_size,
-                               output, output_size, output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_operation(&operation, input, input_size, part_size,
+                              output, output_size, output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_cipher_abort( &operation );
-    return( status );
+    psa_cipher_abort(&operation);
+    return status;
 }
 
 static psa_status_t
-cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block( void )
+cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block(void)
 {
     enum {
-        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
+        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH(PSA_KEY_TYPE_AES),
         key_bits = 256,
         part_size = block_size,
     };
@@ -174,40 +173,40 @@
     uint8_t encrypt[block_size];
     uint8_t decrypt[block_size];
 
-    status = psa_generate_random( input, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_random(input, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    psa_set_key_usage_flags( &attributes,
-                             PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
-    psa_set_key_algorithm( &attributes, alg );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
-    psa_set_key_bits( &attributes, key_bits );
+    psa_set_key_usage_flags(&attributes,
+                            PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+    psa_set_key_bits(&attributes, key_bits);
 
-    status = psa_generate_key( &attributes, &key );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_key(&attributes, &key);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_encrypt( key, alg, iv, sizeof( iv ),
-                             input, sizeof( input ), part_size,
-                             encrypt, sizeof( encrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_encrypt(key, alg, iv, sizeof(iv),
+                            input, sizeof(input), part_size,
+                            encrypt, sizeof(encrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_decrypt( key, alg, iv, sizeof( iv ),
-                             encrypt, output_len, part_size,
-                             decrypt, sizeof( decrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_decrypt(key, alg, iv, sizeof(iv),
+                            encrypt, output_len, part_size,
+                            decrypt, sizeof(decrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = memcmp( input, decrypt, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = memcmp(input, decrypt, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_destroy_key( key );
-    return( status );
+    psa_destroy_key(key);
+    return status;
 }
 
-static psa_status_t cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi( void )
+static psa_status_t cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi(void)
 {
     enum {
-        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
+        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH(PSA_KEY_TYPE_AES),
         key_bits = 256,
         input_size = 100,
         part_size = 10,
@@ -222,40 +221,40 @@
     uint8_t iv[block_size], input[input_size],
             encrypt[input_size + block_size], decrypt[input_size + block_size];
 
-    status = psa_generate_random( input, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_random(input, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    psa_set_key_usage_flags( &attributes,
-                             PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
-    psa_set_key_algorithm( &attributes, alg );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
-    psa_set_key_bits( &attributes, key_bits );
+    psa_set_key_usage_flags(&attributes,
+                            PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+    psa_set_key_bits(&attributes, key_bits);
 
-    status = psa_generate_key( &attributes, &key );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_key(&attributes, &key);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_encrypt( key, alg, iv, sizeof( iv ),
-                             input, sizeof( input ), part_size,
-                             encrypt, sizeof( encrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_encrypt(key, alg, iv, sizeof(iv),
+                            input, sizeof(input), part_size,
+                            encrypt, sizeof(encrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_decrypt( key, alg, iv, sizeof( iv ),
-                             encrypt, output_len, part_size,
-                             decrypt, sizeof( decrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_decrypt(key, alg, iv, sizeof(iv),
+                            encrypt, output_len, part_size,
+                            decrypt, sizeof(decrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = memcmp( input, decrypt, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = memcmp(input, decrypt, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_destroy_key( key );
-    return( status );
+    psa_destroy_key(key);
+    return status;
 }
 
-static psa_status_t cipher_example_encrypt_decrypt_aes_ctr_multi( void )
+static psa_status_t cipher_example_encrypt_decrypt_aes_ctr_multi(void)
 {
     enum {
-        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
+        block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH(PSA_KEY_TYPE_AES),
         key_bits = 256,
         input_size = 100,
         part_size = 10,
@@ -269,63 +268,66 @@
     uint8_t iv[block_size], input[input_size], encrypt[input_size],
             decrypt[input_size];
 
-    status = psa_generate_random( input, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_random(input, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    psa_set_key_usage_flags( &attributes,
-                             PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
-    psa_set_key_algorithm( &attributes, alg );
-    psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
-    psa_set_key_bits( &attributes, key_bits );
+    psa_set_key_usage_flags(&attributes,
+                            PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+    psa_set_key_algorithm(&attributes, alg);
+    psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+    psa_set_key_bits(&attributes, key_bits);
 
-    status = psa_generate_key( &attributes, &key );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = psa_generate_key(&attributes, &key);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_encrypt( key, alg, iv, sizeof( iv ),
-                             input, sizeof( input ), part_size,
-                             encrypt, sizeof( encrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_encrypt(key, alg, iv, sizeof(iv),
+                            input, sizeof(input), part_size,
+                            encrypt, sizeof(encrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = cipher_decrypt( key, alg, iv, sizeof( iv ),
-                             encrypt, output_len, part_size,
-                             decrypt, sizeof( decrypt ), &output_len );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = cipher_decrypt(key, alg, iv, sizeof(iv),
+                            encrypt, output_len, part_size,
+                            decrypt, sizeof(decrypt), &output_len);
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
-    status = memcmp( input, decrypt, sizeof( input ) );
-    ASSERT_STATUS( status, PSA_SUCCESS );
+    status = memcmp(input, decrypt, sizeof(input));
+    ASSERT_STATUS(status, PSA_SUCCESS);
 
 exit:
-    psa_destroy_key( key );
-    return( status );
+    psa_destroy_key(key);
+    return status;
 }
 
-static void cipher_examples( void )
+static void cipher_examples(void)
 {
     psa_status_t status;
 
-    printf( "cipher encrypt/decrypt AES CBC no padding:\r\n" );
-    status = cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block( );
-    if( status == PSA_SUCCESS )
-        printf( "\tsuccess!\r\n" );
+    printf("cipher encrypt/decrypt AES CBC no padding:\r\n");
+    status = cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block();
+    if (status == PSA_SUCCESS) {
+        printf("\tsuccess!\r\n");
+    }
 
-    printf( "cipher encrypt/decrypt AES CBC PKCS7 multipart:\r\n" );
-    status = cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi( );
-    if( status == PSA_SUCCESS )
-        printf( "\tsuccess!\r\n" );
+    printf("cipher encrypt/decrypt AES CBC PKCS7 multipart:\r\n");
+    status = cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi();
+    if (status == PSA_SUCCESS) {
+        printf("\tsuccess!\r\n");
+    }
 
-    printf( "cipher encrypt/decrypt AES CTR multipart:\r\n" );
-    status = cipher_example_encrypt_decrypt_aes_ctr_multi( );
-    if( status == PSA_SUCCESS )
-        printf( "\tsuccess!\r\n" );
+    printf("cipher encrypt/decrypt AES CTR multipart:\r\n");
+    status = cipher_example_encrypt_decrypt_aes_ctr_multi();
+    if (status == PSA_SUCCESS) {
+        printf("\tsuccess!\r\n");
+    }
 }
 
-int main( void )
+int main(void)
 {
-    ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
-    cipher_examples( );
+    ASSERT(psa_crypto_init() == PSA_SUCCESS);
+    cipher_examples();
 exit:
-    mbedtls_psa_crypto_free( );
-    return( 0 );
+    mbedtls_psa_crypto_free();
+    return 0;
 }
 #endif /* MBEDTLS_PSA_CRYPTO_C && MBEDTLS_AES_C && MBEDTLS_CIPHER_MODE_CBC &&
           MBEDTLS_CIPHER_MODE_CTR && MBEDTLS_CIPHER_MODE_WITH_PADDING */