diff --git a/library/psa_crypto_cipher.c b/library/psa_crypto_cipher.c
index 91a0e3b..c501144 100644
--- a/library/psa_crypto_cipher.c
+++ b/library/psa_crypto_cipher.c
@@ -35,18 +35,17 @@
     psa_algorithm_t alg,
     psa_key_type_t key_type,
     size_t key_bits,
-    mbedtls_cipher_id_t* cipher_id )
+    mbedtls_cipher_id_t *cipher_id)
 {
     mbedtls_cipher_mode_t mode;
     mbedtls_cipher_id_t cipher_id_tmp;
 
-    if( PSA_ALG_IS_AEAD( alg ) )
-        alg = PSA_ALG_AEAD_WITH_SHORTENED_TAG( alg, 0 );
+    if (PSA_ALG_IS_AEAD(alg)) {
+        alg = PSA_ALG_AEAD_WITH_SHORTENED_TAG(alg, 0);
+    }
 
-    if( PSA_ALG_IS_CIPHER( alg ) || PSA_ALG_IS_AEAD( alg ) )
-    {
-        switch( alg )
-        {
+    if (PSA_ALG_IS_CIPHER(alg) || PSA_ALG_IS_AEAD(alg)) {
+        switch (alg) {
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_STREAM_CIPHER)
             case PSA_ALG_STREAM_CIPHER:
                 mode = MBEDTLS_MODE_STREAM;
@@ -88,31 +87,30 @@
                 break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
-            case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_CCM, 0 ):
+            case PSA_ALG_AEAD_WITH_SHORTENED_TAG(PSA_ALG_CCM, 0):
                 mode = MBEDTLS_MODE_CCM;
                 break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
-            case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_GCM, 0 ):
+            case PSA_ALG_AEAD_WITH_SHORTENED_TAG(PSA_ALG_GCM, 0):
                 mode = MBEDTLS_MODE_GCM;
                 break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
-            case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_CHACHA20_POLY1305, 0 ):
+            case PSA_ALG_AEAD_WITH_SHORTENED_TAG(PSA_ALG_CHACHA20_POLY1305, 0):
                 mode = MBEDTLS_MODE_CHACHAPOLY;
                 break;
 #endif
             default:
-                return( NULL );
+                return NULL;
         }
-    }
-    else if( alg == PSA_ALG_CMAC )
+    } else if (alg == PSA_ALG_CMAC) {
         mode = MBEDTLS_MODE_ECB;
-    else
-        return( NULL );
+    } else {
+        return NULL;
+    }
 
-    switch( key_type )
-    {
+    switch (key_type) {
 #if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_AES)
         case PSA_KEY_TYPE_AES:
             cipher_id_tmp = MBEDTLS_CIPHER_ID_AES;
@@ -127,15 +125,17 @@
         case PSA_KEY_TYPE_DES:
             /* key_bits is 64 for Single-DES, 128 for two-key Triple-DES,
              * and 192 for three-key Triple-DES. */
-            if( key_bits == 64 )
+            if (key_bits == 64) {
                 cipher_id_tmp = MBEDTLS_CIPHER_ID_DES;
-            else
+            } else {
                 cipher_id_tmp = MBEDTLS_CIPHER_ID_3DES;
+            }
             /* mbedtls doesn't recognize two-key Triple-DES as an algorithm,
              * but two-key Triple-DES is functionally three-key Triple-DES
              * with K1=K3, so that's how we present it to mbedtls. */
-            if( key_bits == 128 )
+            if (key_bits == 128) {
                 key_bits = 192;
+            }
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_CAMELLIA)
@@ -149,13 +149,14 @@
             break;
 #endif
         default:
-            return( NULL );
+            return NULL;
     }
-    if( cipher_id != NULL )
+    if (cipher_id != NULL) {
         *cipher_id = cipher_id_tmp;
+    }
 
-    return( mbedtls_cipher_info_from_values( cipher_id_tmp,
-                                             (int) key_bits, mode ) );
+    return mbedtls_cipher_info_from_values(cipher_id_tmp,
+                                           (int) key_bits, mode);
 }
 
 #if defined(MBEDTLS_PSA_BUILTIN_CIPHER)
@@ -165,110 +166,112 @@
     const psa_key_attributes_t *attributes,
     const uint8_t *key_buffer, size_t key_buffer_size,
     psa_algorithm_t alg,
-    mbedtls_operation_t cipher_operation )
+    mbedtls_operation_t cipher_operation)
 {
     int ret = 0;
     size_t key_bits;
     const mbedtls_cipher_info_t *cipher_info = NULL;
     psa_key_type_t key_type = attributes->core.type;
 
-    (void)key_buffer_size;
+    (void) key_buffer_size;
 
-    mbedtls_cipher_init( &operation->ctx.cipher );
+    mbedtls_cipher_init(&operation->ctx.cipher);
 
     operation->alg = alg;
     key_bits = attributes->core.bits;
-    cipher_info = mbedtls_cipher_info_from_psa( alg, key_type,
-                                                key_bits, NULL );
-    if( cipher_info == NULL )
-        return( PSA_ERROR_NOT_SUPPORTED );
+    cipher_info = mbedtls_cipher_info_from_psa(alg, key_type,
+                                               key_bits, NULL);
+    if (cipher_info == NULL) {
+        return PSA_ERROR_NOT_SUPPORTED;
+    }
 
-    ret = mbedtls_cipher_setup( &operation->ctx.cipher, cipher_info );
-    if( ret != 0 )
+    ret = mbedtls_cipher_setup(&operation->ctx.cipher, cipher_info);
+    if (ret != 0) {
         goto exit;
+    }
 
 #if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DES)
-    if( key_type == PSA_KEY_TYPE_DES && key_bits == 128 )
-    {
+    if (key_type == PSA_KEY_TYPE_DES && key_bits == 128) {
         /* Two-key Triple-DES is 3-key Triple-DES with K1=K3 */
         uint8_t keys[24];
-        memcpy( keys, key_buffer, 16 );
-        memcpy( keys + 16, key_buffer, 8 );
-        ret = mbedtls_cipher_setkey( &operation->ctx.cipher,
-                                     keys,
-                                     192, cipher_operation );
-    }
-    else
+        memcpy(keys, key_buffer, 16);
+        memcpy(keys + 16, key_buffer, 8);
+        ret = mbedtls_cipher_setkey(&operation->ctx.cipher,
+                                    keys,
+                                    192, cipher_operation);
+    } else
 #endif
     {
-        ret = mbedtls_cipher_setkey( &operation->ctx.cipher, key_buffer,
-                                     (int) key_bits, cipher_operation );
+        ret = mbedtls_cipher_setkey(&operation->ctx.cipher, key_buffer,
+                                    (int) key_bits, cipher_operation);
     }
-    if( ret != 0 )
+    if (ret != 0) {
         goto exit;
+    }
 
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_CBC_NO_PADDING) || \
     defined(MBEDTLS_PSA_BUILTIN_ALG_CBC_PKCS7)
-    switch( alg )
-    {
+    switch (alg) {
         case PSA_ALG_CBC_NO_PADDING:
-            ret = mbedtls_cipher_set_padding_mode( &operation->ctx.cipher,
-                                                   MBEDTLS_PADDING_NONE );
+            ret = mbedtls_cipher_set_padding_mode(&operation->ctx.cipher,
+                                                  MBEDTLS_PADDING_NONE);
             break;
         case PSA_ALG_CBC_PKCS7:
-            ret = mbedtls_cipher_set_padding_mode( &operation->ctx.cipher,
-                                                   MBEDTLS_PADDING_PKCS7 );
+            ret = mbedtls_cipher_set_padding_mode(&operation->ctx.cipher,
+                                                  MBEDTLS_PADDING_PKCS7);
             break;
         default:
             /* The algorithm doesn't involve padding. */
             ret = 0;
             break;
     }
-    if( ret != 0 )
+    if (ret != 0) {
         goto exit;
+    }
 #endif /* MBEDTLS_PSA_BUILTIN_ALG_CBC_NO_PADDING ||
           MBEDTLS_PSA_BUILTIN_ALG_CBC_PKCS7 */
 
-    operation->block_length = ( PSA_ALG_IS_STREAM_CIPHER( alg ) ? 1 :
-                                PSA_BLOCK_CIPHER_BLOCK_LENGTH( key_type ) );
-    operation->iv_length = PSA_CIPHER_IV_LENGTH( key_type, alg );
+    operation->block_length = (PSA_ALG_IS_STREAM_CIPHER(alg) ? 1 :
+                               PSA_BLOCK_CIPHER_BLOCK_LENGTH(key_type));
+    operation->iv_length = PSA_CIPHER_IV_LENGTH(key_type, alg);
 
 exit:
-    return( mbedtls_to_psa_error( ret ) );
+    return mbedtls_to_psa_error(ret);
 }
 
 psa_status_t mbedtls_psa_cipher_encrypt_setup(
     mbedtls_psa_cipher_operation_t *operation,
     const psa_key_attributes_t *attributes,
     const uint8_t *key_buffer, size_t key_buffer_size,
-    psa_algorithm_t alg )
+    psa_algorithm_t alg)
 {
-    return( psa_cipher_setup( operation, attributes,
-                              key_buffer, key_buffer_size,
-                              alg, MBEDTLS_ENCRYPT ) );
+    return psa_cipher_setup(operation, attributes,
+                            key_buffer, key_buffer_size,
+                            alg, MBEDTLS_ENCRYPT);
 }
 
 psa_status_t mbedtls_psa_cipher_decrypt_setup(
     mbedtls_psa_cipher_operation_t *operation,
     const psa_key_attributes_t *attributes,
     const uint8_t *key_buffer, size_t key_buffer_size,
-    psa_algorithm_t alg )
+    psa_algorithm_t alg)
 {
-    return( psa_cipher_setup( operation, attributes,
-                              key_buffer, key_buffer_size,
-                              alg, MBEDTLS_DECRYPT ) );
+    return psa_cipher_setup(operation, attributes,
+                            key_buffer, key_buffer_size,
+                            alg, MBEDTLS_DECRYPT);
 }
 
 psa_status_t mbedtls_psa_cipher_set_iv(
     mbedtls_psa_cipher_operation_t *operation,
-    const uint8_t *iv, size_t iv_length )
+    const uint8_t *iv, size_t iv_length)
 {
-    if( iv_length != operation->iv_length )
-        return( PSA_ERROR_INVALID_ARGUMENT );
+    if (iv_length != operation->iv_length) {
+        return PSA_ERROR_INVALID_ARGUMENT;
+    }
 
-    return( mbedtls_to_psa_error(
-                mbedtls_cipher_set_iv( &operation->ctx.cipher,
-                                       iv, iv_length ) ) );
+    return mbedtls_to_psa_error(
+        mbedtls_cipher_set_iv(&operation->ctx.cipher,
+                              iv, iv_length));
 }
 
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_ECB_NO_PADDING)
@@ -300,43 +303,42 @@
     const uint8_t *input,
     size_t input_length,
     uint8_t *output,
-    size_t *output_length )
+    size_t *output_length)
 {
     psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
     size_t block_size = ctx->cipher_info->block_size;
     size_t internal_output_length = 0;
     *output_length = 0;
 
-    if( input_length == 0 )
-    {
+    if (input_length == 0) {
         status = PSA_SUCCESS;
         goto exit;
     }
 
-    if( ctx->unprocessed_len > 0 )
-    {
+    if (ctx->unprocessed_len > 0) {
         /* Fill up to block size, and run the block if there's a full one. */
         size_t bytes_to_copy = block_size - ctx->unprocessed_len;
 
-        if( input_length < bytes_to_copy )
+        if (input_length < bytes_to_copy) {
             bytes_to_copy = input_length;
+        }
 
-        memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ),
-                input, bytes_to_copy );
+        memcpy(&(ctx->unprocessed_data[ctx->unprocessed_len]),
+               input, bytes_to_copy);
         input_length -= bytes_to_copy;
         input += bytes_to_copy;
         ctx->unprocessed_len += bytes_to_copy;
 
-        if( ctx->unprocessed_len == block_size )
-        {
+        if (ctx->unprocessed_len == block_size) {
             status = mbedtls_to_psa_error(
-                mbedtls_cipher_update( ctx,
-                                       ctx->unprocessed_data,
-                                       block_size,
-                                       output, &internal_output_length ) );
+                mbedtls_cipher_update(ctx,
+                                      ctx->unprocessed_data,
+                                      block_size,
+                                      output, &internal_output_length));
 
-            if( status != PSA_SUCCESS )
+            if (status != PSA_SUCCESS) {
                 goto exit;
+            }
 
             output += internal_output_length;
             *output_length += internal_output_length;
@@ -344,16 +346,16 @@
         }
     }
 
-    while( input_length >= block_size )
-    {
+    while (input_length >= block_size) {
         /* Run all full blocks we have, one by one */
         status = mbedtls_to_psa_error(
-            mbedtls_cipher_update( ctx, input,
-                                   block_size,
-                                   output, &internal_output_length ) );
+            mbedtls_cipher_update(ctx, input,
+                                  block_size,
+                                  output, &internal_output_length));
 
-        if( status != PSA_SUCCESS )
+        if (status != PSA_SUCCESS) {
             goto exit;
+        }
 
         input_length -= block_size;
         input += block_size;
@@ -362,122 +364,119 @@
         *output_length += internal_output_length;
     }
 
-    if( input_length > 0 )
-    {
+    if (input_length > 0) {
         /* Save unprocessed bytes for later processing */
-        memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ),
-                input, input_length );
+        memcpy(&(ctx->unprocessed_data[ctx->unprocessed_len]),
+               input, input_length);
         ctx->unprocessed_len += input_length;
     }
 
     status = PSA_SUCCESS;
 
 exit:
-    return( status );
+    return status;
 }
 #endif /* MBEDTLS_PSA_BUILTIN_ALG_ECB_NO_PADDING */
 
 psa_status_t mbedtls_psa_cipher_update(
     mbedtls_psa_cipher_operation_t *operation,
     const uint8_t *input, size_t input_length,
-    uint8_t *output, size_t output_size, size_t *output_length )
+    uint8_t *output, size_t output_size, size_t *output_length)
 {
     psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
     size_t expected_output_size;
 
-    if( ! PSA_ALG_IS_STREAM_CIPHER( operation->alg ) )
-    {
+    if (!PSA_ALG_IS_STREAM_CIPHER(operation->alg)) {
         /* Take the unprocessed partial block left over from previous
          * update calls, if any, plus the input to this call. Remove
          * the last partial block, if any. You get the data that will be
          * output in this call. */
         expected_output_size =
-            ( operation->ctx.cipher.unprocessed_len + input_length )
+            (operation->ctx.cipher.unprocessed_len + input_length)
             / operation->block_length * operation->block_length;
-    }
-    else
-    {
+    } else {
         expected_output_size = input_length;
     }
 
-    if( output_size < expected_output_size )
-        return( PSA_ERROR_BUFFER_TOO_SMALL );
+    if (output_size < expected_output_size) {
+        return PSA_ERROR_BUFFER_TOO_SMALL;
+    }
 
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_ECB_NO_PADDING)
-    if( operation->alg == PSA_ALG_ECB_NO_PADDING )
-    {
+    if (operation->alg == PSA_ALG_ECB_NO_PADDING) {
         /* mbedtls_cipher_update has an API inconsistency: it will only
-        * process a single block at a time in ECB mode. Abstract away that
-        * inconsistency here to match the PSA API behaviour. */
-        status = psa_cipher_update_ecb( &operation->ctx.cipher,
-                                        input,
-                                        input_length,
-                                        output,
-                                        output_length );
-    }
-    else
+         * process a single block at a time in ECB mode. Abstract away that
+         * inconsistency here to match the PSA API behaviour. */
+        status = psa_cipher_update_ecb(&operation->ctx.cipher,
+                                       input,
+                                       input_length,
+                                       output,
+                                       output_length);
+    } else
 #endif /* MBEDTLS_PSA_BUILTIN_ALG_ECB_NO_PADDING */
     {
         status = mbedtls_to_psa_error(
-            mbedtls_cipher_update( &operation->ctx.cipher, input,
-                                   input_length, output, output_length ) );
+            mbedtls_cipher_update(&operation->ctx.cipher, input,
+                                  input_length, output, output_length));
 
-        if( *output_length > output_size )
-            return( PSA_ERROR_CORRUPTION_DETECTED );
+        if (*output_length > output_size) {
+            return PSA_ERROR_CORRUPTION_DETECTED;
+        }
     }
 
-    return( status );
+    return status;
 }
 
 psa_status_t mbedtls_psa_cipher_finish(
     mbedtls_psa_cipher_operation_t *operation,
-    uint8_t *output, size_t output_size, size_t *output_length )
+    uint8_t *output, size_t output_size, size_t *output_length)
 {
     psa_status_t status = PSA_ERROR_GENERIC_ERROR;
     uint8_t temp_output_buffer[MBEDTLS_MAX_BLOCK_LENGTH];
 
-    if( operation->ctx.cipher.unprocessed_len != 0 )
-    {
-        if( operation->alg == PSA_ALG_ECB_NO_PADDING ||
-            operation->alg == PSA_ALG_CBC_NO_PADDING )
-        {
+    if (operation->ctx.cipher.unprocessed_len != 0) {
+        if (operation->alg == PSA_ALG_ECB_NO_PADDING ||
+            operation->alg == PSA_ALG_CBC_NO_PADDING) {
             status = PSA_ERROR_INVALID_ARGUMENT;
             goto exit;
         }
     }
 
     status = mbedtls_to_psa_error(
-        mbedtls_cipher_finish( &operation->ctx.cipher,
-                               temp_output_buffer,
-                               output_length ) );
-    if( status != PSA_SUCCESS )
+        mbedtls_cipher_finish(&operation->ctx.cipher,
+                              temp_output_buffer,
+                              output_length));
+    if (status != PSA_SUCCESS) {
         goto exit;
+    }
 
-    if( *output_length == 0 )
+    if (*output_length == 0) {
         ; /* Nothing to copy. Note that output may be NULL in this case. */
-    else if( output_size >= *output_length )
-        memcpy( output, temp_output_buffer, *output_length );
-    else
+    } else if (output_size >= *output_length) {
+        memcpy(output, temp_output_buffer, *output_length);
+    } else {
         status = PSA_ERROR_BUFFER_TOO_SMALL;
+    }
 
 exit:
-    mbedtls_platform_zeroize( temp_output_buffer,
-                              sizeof( temp_output_buffer ) );
+    mbedtls_platform_zeroize(temp_output_buffer,
+                             sizeof(temp_output_buffer));
 
-    return( status );
+    return status;
 }
 
 psa_status_t mbedtls_psa_cipher_abort(
-    mbedtls_psa_cipher_operation_t *operation )
+    mbedtls_psa_cipher_operation_t *operation)
 {
     /* Sanity check (shouldn't happen: operation->alg should
      * always have been initialized to a valid value). */
-    if( ! PSA_ALG_IS_CIPHER( operation->alg ) )
-        return( PSA_ERROR_BAD_STATE );
+    if (!PSA_ALG_IS_CIPHER(operation->alg)) {
+        return PSA_ERROR_BAD_STATE;
+    }
 
-    mbedtls_cipher_free( &operation->ctx.cipher );
+    mbedtls_cipher_free(&operation->ctx.cipher);
 
-    return( PSA_SUCCESS );
+    return PSA_SUCCESS;
 }
 
 psa_status_t mbedtls_psa_cipher_encrypt(
@@ -491,47 +490,51 @@
     size_t input_length,
     uint8_t *output,
     size_t output_size,
-    size_t *output_length )
+    size_t *output_length)
 {
     psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
     mbedtls_psa_cipher_operation_t operation = MBEDTLS_PSA_CIPHER_OPERATION_INIT;
     size_t update_output_length, finish_output_length;
 
-    status = mbedtls_psa_cipher_encrypt_setup( &operation, attributes,
-                                               key_buffer, key_buffer_size,
-                                               alg );
-    if( status != PSA_SUCCESS )
+    status = mbedtls_psa_cipher_encrypt_setup(&operation, attributes,
+                                              key_buffer, key_buffer_size,
+                                              alg);
+    if (status != PSA_SUCCESS) {
         goto exit;
-
-    if( iv_length > 0 )
-    {
-        status = mbedtls_psa_cipher_set_iv( &operation, iv, iv_length );
-        if( status != PSA_SUCCESS )
-            goto exit;
     }
 
-    status = mbedtls_psa_cipher_update( &operation, input, input_length,
-                                        output, output_size,
-                                        &update_output_length );
-    if( status != PSA_SUCCESS )
+    if (iv_length > 0) {
+        status = mbedtls_psa_cipher_set_iv(&operation, iv, iv_length);
+        if (status != PSA_SUCCESS) {
+            goto exit;
+        }
+    }
+
+    status = mbedtls_psa_cipher_update(&operation, input, input_length,
+                                       output, output_size,
+                                       &update_output_length);
+    if (status != PSA_SUCCESS) {
         goto exit;
+    }
 
     status = mbedtls_psa_cipher_finish(
         &operation,
-        mbedtls_buffer_offset( output, update_output_length ),
-        output_size - update_output_length, &finish_output_length );
-    if( status != PSA_SUCCESS )
+        mbedtls_buffer_offset(output, update_output_length),
+        output_size - update_output_length, &finish_output_length);
+    if (status != PSA_SUCCESS) {
         goto exit;
+    }
 
     *output_length = update_output_length + finish_output_length;
 
 exit:
-    if( status == PSA_SUCCESS )
-        status = mbedtls_psa_cipher_abort( &operation );
-    else
-        mbedtls_psa_cipher_abort( &operation );
+    if (status == PSA_SUCCESS) {
+        status = mbedtls_psa_cipher_abort(&operation);
+    } else {
+        mbedtls_psa_cipher_abort(&operation);
+    }
 
-    return( status );
+    return status;
 }
 
 psa_status_t mbedtls_psa_cipher_decrypt(
@@ -543,52 +546,56 @@
     size_t input_length,
     uint8_t *output,
     size_t output_size,
-    size_t *output_length )
+    size_t *output_length)
 {
     psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
     mbedtls_psa_cipher_operation_t operation = MBEDTLS_PSA_CIPHER_OPERATION_INIT;
     size_t olength, accumulated_length;
 
-    status = mbedtls_psa_cipher_decrypt_setup( &operation, attributes,
-                                               key_buffer, key_buffer_size,
-                                               alg );
-    if( status != PSA_SUCCESS )
+    status = mbedtls_psa_cipher_decrypt_setup(&operation, attributes,
+                                              key_buffer, key_buffer_size,
+                                              alg);
+    if (status != PSA_SUCCESS) {
         goto exit;
+    }
 
-    if( operation.iv_length > 0 )
-    {
-        status = mbedtls_psa_cipher_set_iv( &operation,
-                                            input, operation.iv_length );
-        if( status != PSA_SUCCESS )
+    if (operation.iv_length > 0) {
+        status = mbedtls_psa_cipher_set_iv(&operation,
+                                           input, operation.iv_length);
+        if (status != PSA_SUCCESS) {
             goto exit;
+        }
     }
 
     status = mbedtls_psa_cipher_update(
         &operation,
-        mbedtls_buffer_offset_const( input, operation.iv_length ),
+        mbedtls_buffer_offset_const(input, operation.iv_length),
         input_length - operation.iv_length,
-        output, output_size, &olength );
-    if( status != PSA_SUCCESS )
+        output, output_size, &olength);
+    if (status != PSA_SUCCESS) {
         goto exit;
+    }
 
     accumulated_length = olength;
 
     status = mbedtls_psa_cipher_finish(
         &operation,
-        mbedtls_buffer_offset( output, accumulated_length ),
-        output_size - accumulated_length, &olength );
-    if( status != PSA_SUCCESS )
+        mbedtls_buffer_offset(output, accumulated_length),
+        output_size - accumulated_length, &olength);
+    if (status != PSA_SUCCESS) {
         goto exit;
+    }
 
     *output_length = accumulated_length + olength;
 
 exit:
-    if ( status == PSA_SUCCESS )
-        status = mbedtls_psa_cipher_abort( &operation );
-    else
-        mbedtls_psa_cipher_abort( &operation );
+    if (status == PSA_SUCCESS) {
+        status = mbedtls_psa_cipher_abort(&operation);
+    } else {
+        mbedtls_psa_cipher_abort(&operation);
+    }
 
-    return( status );
+    return status;
 }
 #endif /* MBEDTLS_PSA_BUILTIN_CIPHER */