diff --git a/library/psa_crypto_hash.c b/library/psa_crypto_hash.c
index a20c13f..ddf7094 100644
--- a/library/psa_crypto_hash.c
+++ b/library/psa_crypto_hash.c
@@ -31,10 +31,9 @@
 
 #if defined(MBEDTLS_PSA_BUILTIN_HASH)
 psa_status_t mbedtls_psa_hash_abort(
-    mbedtls_psa_hash_operation_t *operation )
+    mbedtls_psa_hash_operation_t *operation)
 {
-    switch( operation->alg )
-    {
+    switch (operation->alg) {
         case 0:
             /* The object has (apparently) been initialized but it is not
              * in use. It's ok to call abort on such an object, and there's
@@ -42,243 +41,240 @@
             break;
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
         case PSA_ALG_MD5:
-            mbedtls_md5_free( &operation->ctx.md5 );
+            mbedtls_md5_free(&operation->ctx.md5);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
         case PSA_ALG_RIPEMD160:
-            mbedtls_ripemd160_free( &operation->ctx.ripemd160 );
+            mbedtls_ripemd160_free(&operation->ctx.ripemd160);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
         case PSA_ALG_SHA_1:
-            mbedtls_sha1_free( &operation->ctx.sha1 );
+            mbedtls_sha1_free(&operation->ctx.sha1);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
         case PSA_ALG_SHA_224:
-            mbedtls_sha256_free( &operation->ctx.sha256 );
+            mbedtls_sha256_free(&operation->ctx.sha256);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
         case PSA_ALG_SHA_256:
-            mbedtls_sha256_free( &operation->ctx.sha256 );
+            mbedtls_sha256_free(&operation->ctx.sha256);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
         case PSA_ALG_SHA_384:
-            mbedtls_sha512_free( &operation->ctx.sha512 );
+            mbedtls_sha512_free(&operation->ctx.sha512);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
         case PSA_ALG_SHA_512:
-            mbedtls_sha512_free( &operation->ctx.sha512 );
+            mbedtls_sha512_free(&operation->ctx.sha512);
             break;
 #endif
         default:
-            return( PSA_ERROR_BAD_STATE );
+            return PSA_ERROR_BAD_STATE;
     }
     operation->alg = 0;
-    return( PSA_SUCCESS );
+    return PSA_SUCCESS;
 }
 
 psa_status_t mbedtls_psa_hash_setup(
     mbedtls_psa_hash_operation_t *operation,
-    psa_algorithm_t alg )
+    psa_algorithm_t alg)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
     /* A context must be freshly initialized before it can be set up. */
-    if( operation->alg != 0 )
-    {
-        return( PSA_ERROR_BAD_STATE );
+    if (operation->alg != 0) {
+        return PSA_ERROR_BAD_STATE;
     }
 
-    switch( alg )
-    {
+    switch (alg) {
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
         case PSA_ALG_MD5:
-            mbedtls_md5_init( &operation->ctx.md5 );
-            ret = mbedtls_md5_starts( &operation->ctx.md5 );
+            mbedtls_md5_init(&operation->ctx.md5);
+            ret = mbedtls_md5_starts(&operation->ctx.md5);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
         case PSA_ALG_RIPEMD160:
-            mbedtls_ripemd160_init( &operation->ctx.ripemd160 );
-            ret = mbedtls_ripemd160_starts( &operation->ctx.ripemd160 );
+            mbedtls_ripemd160_init(&operation->ctx.ripemd160);
+            ret = mbedtls_ripemd160_starts(&operation->ctx.ripemd160);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
         case PSA_ALG_SHA_1:
-            mbedtls_sha1_init( &operation->ctx.sha1 );
-            ret = mbedtls_sha1_starts( &operation->ctx.sha1 );
+            mbedtls_sha1_init(&operation->ctx.sha1);
+            ret = mbedtls_sha1_starts(&operation->ctx.sha1);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
         case PSA_ALG_SHA_224:
-            mbedtls_sha256_init( &operation->ctx.sha256 );
-            ret = mbedtls_sha256_starts( &operation->ctx.sha256, 1 );
+            mbedtls_sha256_init(&operation->ctx.sha256);
+            ret = mbedtls_sha256_starts(&operation->ctx.sha256, 1);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
         case PSA_ALG_SHA_256:
-            mbedtls_sha256_init( &operation->ctx.sha256 );
-            ret = mbedtls_sha256_starts( &operation->ctx.sha256, 0 );
+            mbedtls_sha256_init(&operation->ctx.sha256);
+            ret = mbedtls_sha256_starts(&operation->ctx.sha256, 0);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
         case PSA_ALG_SHA_384:
-            mbedtls_sha512_init( &operation->ctx.sha512 );
-            ret = mbedtls_sha512_starts( &operation->ctx.sha512, 1 );
+            mbedtls_sha512_init(&operation->ctx.sha512);
+            ret = mbedtls_sha512_starts(&operation->ctx.sha512, 1);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
         case PSA_ALG_SHA_512:
-            mbedtls_sha512_init( &operation->ctx.sha512 );
-            ret = mbedtls_sha512_starts( &operation->ctx.sha512, 0 );
+            mbedtls_sha512_init(&operation->ctx.sha512);
+            ret = mbedtls_sha512_starts(&operation->ctx.sha512, 0);
             break;
 #endif
         default:
-            return( PSA_ALG_IS_HASH( alg ) ?
-                    PSA_ERROR_NOT_SUPPORTED :
-                    PSA_ERROR_INVALID_ARGUMENT );
+            return PSA_ALG_IS_HASH(alg) ?
+                   PSA_ERROR_NOT_SUPPORTED :
+                   PSA_ERROR_INVALID_ARGUMENT;
     }
-    if( ret == 0 )
+    if (ret == 0) {
         operation->alg = alg;
-    else
-        mbedtls_psa_hash_abort( operation );
-    return( mbedtls_to_psa_error( ret ) );
+    } else {
+        mbedtls_psa_hash_abort(operation);
+    }
+    return mbedtls_to_psa_error(ret);
 }
 
 psa_status_t mbedtls_psa_hash_clone(
     const mbedtls_psa_hash_operation_t *source_operation,
-    mbedtls_psa_hash_operation_t *target_operation )
+    mbedtls_psa_hash_operation_t *target_operation)
 {
-    switch( source_operation->alg )
-    {
+    switch (source_operation->alg) {
         case 0:
-            return( PSA_ERROR_BAD_STATE );
+            return PSA_ERROR_BAD_STATE;
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
         case PSA_ALG_MD5:
-            mbedtls_md5_clone( &target_operation->ctx.md5,
-                               &source_operation->ctx.md5 );
+            mbedtls_md5_clone(&target_operation->ctx.md5,
+                              &source_operation->ctx.md5);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
         case PSA_ALG_RIPEMD160:
-            mbedtls_ripemd160_clone( &target_operation->ctx.ripemd160,
-                                     &source_operation->ctx.ripemd160 );
+            mbedtls_ripemd160_clone(&target_operation->ctx.ripemd160,
+                                    &source_operation->ctx.ripemd160);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
         case PSA_ALG_SHA_1:
-            mbedtls_sha1_clone( &target_operation->ctx.sha1,
-                                &source_operation->ctx.sha1 );
+            mbedtls_sha1_clone(&target_operation->ctx.sha1,
+                               &source_operation->ctx.sha1);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
         case PSA_ALG_SHA_224:
-            mbedtls_sha256_clone( &target_operation->ctx.sha256,
-                                  &source_operation->ctx.sha256 );
+            mbedtls_sha256_clone(&target_operation->ctx.sha256,
+                                 &source_operation->ctx.sha256);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
         case PSA_ALG_SHA_256:
-            mbedtls_sha256_clone( &target_operation->ctx.sha256,
-                                  &source_operation->ctx.sha256 );
+            mbedtls_sha256_clone(&target_operation->ctx.sha256,
+                                 &source_operation->ctx.sha256);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
         case PSA_ALG_SHA_384:
-            mbedtls_sha512_clone( &target_operation->ctx.sha512,
-                                  &source_operation->ctx.sha512 );
+            mbedtls_sha512_clone(&target_operation->ctx.sha512,
+                                 &source_operation->ctx.sha512);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
         case PSA_ALG_SHA_512:
-            mbedtls_sha512_clone( &target_operation->ctx.sha512,
-                                  &source_operation->ctx.sha512 );
+            mbedtls_sha512_clone(&target_operation->ctx.sha512,
+                                 &source_operation->ctx.sha512);
             break;
 #endif
         default:
             (void) source_operation;
             (void) target_operation;
-            return( PSA_ERROR_NOT_SUPPORTED );
+            return PSA_ERROR_NOT_SUPPORTED;
     }
 
     target_operation->alg = source_operation->alg;
-    return( PSA_SUCCESS );
+    return PSA_SUCCESS;
 }
 
 psa_status_t mbedtls_psa_hash_update(
     mbedtls_psa_hash_operation_t *operation,
     const uint8_t *input,
-    size_t input_length )
+    size_t input_length)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    switch( operation->alg )
-    {
+    switch (operation->alg) {
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
         case PSA_ALG_MD5:
-            ret = mbedtls_md5_update( &operation->ctx.md5,
-                                          input, input_length );
+            ret = mbedtls_md5_update(&operation->ctx.md5,
+                                     input, input_length);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
         case PSA_ALG_RIPEMD160:
-            ret = mbedtls_ripemd160_update( &operation->ctx.ripemd160,
-                                                input, input_length );
+            ret = mbedtls_ripemd160_update(&operation->ctx.ripemd160,
+                                           input, input_length);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
         case PSA_ALG_SHA_1:
-            ret = mbedtls_sha1_update( &operation->ctx.sha1,
-                                           input, input_length );
+            ret = mbedtls_sha1_update(&operation->ctx.sha1,
+                                      input, input_length);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
         case PSA_ALG_SHA_224:
-            ret = mbedtls_sha256_update( &operation->ctx.sha256,
-                                             input, input_length );
+            ret = mbedtls_sha256_update(&operation->ctx.sha256,
+                                        input, input_length);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
         case PSA_ALG_SHA_256:
-            ret = mbedtls_sha256_update( &operation->ctx.sha256,
-                                             input, input_length );
+            ret = mbedtls_sha256_update(&operation->ctx.sha256,
+                                        input, input_length);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
         case PSA_ALG_SHA_384:
-            ret = mbedtls_sha512_update( &operation->ctx.sha512,
-                                             input, input_length );
+            ret = mbedtls_sha512_update(&operation->ctx.sha512,
+                                        input, input_length);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
         case PSA_ALG_SHA_512:
-            ret = mbedtls_sha512_update( &operation->ctx.sha512,
-                                             input, input_length );
+            ret = mbedtls_sha512_update(&operation->ctx.sha512,
+                                        input, input_length);
             break;
 #endif
         default:
             (void) input;
             (void) input_length;
-            return( PSA_ERROR_BAD_STATE );
+            return PSA_ERROR_BAD_STATE;
     }
 
-    return( mbedtls_to_psa_error( ret ) );
+    return mbedtls_to_psa_error(ret);
 }
 
 psa_status_t mbedtls_psa_hash_finish(
     mbedtls_psa_hash_operation_t *operation,
     uint8_t *hash,
     size_t hash_size,
-    size_t *hash_length )
+    size_t *hash_length)
 {
     psa_status_t status;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    size_t actual_hash_length = PSA_HASH_LENGTH( operation->alg );
+    size_t actual_hash_length = PSA_HASH_LENGTH(operation->alg);
 
     /* Fill the output buffer with something that isn't a valid hash
      * (barring an attack on the hash and deliberately-crafted input),
@@ -286,62 +282,62 @@
     *hash_length = hash_size;
     /* If hash_size is 0 then hash may be NULL and then the
      * call to memset would have undefined behavior. */
-    if( hash_size != 0 )
-        memset( hash, '!', hash_size );
+    if (hash_size != 0) {
+        memset(hash, '!', hash_size);
+    }
 
-    if( hash_size < actual_hash_length )
-    {
+    if (hash_size < actual_hash_length) {
         status = PSA_ERROR_BUFFER_TOO_SMALL;
         goto exit;
     }
 
-    switch( operation->alg )
-    {
+    switch (operation->alg) {
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_MD5)
         case PSA_ALG_MD5:
-            ret = mbedtls_md5_finish( &operation->ctx.md5, hash );
+            ret = mbedtls_md5_finish(&operation->ctx.md5, hash);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160)
         case PSA_ALG_RIPEMD160:
-            ret = mbedtls_ripemd160_finish( &operation->ctx.ripemd160, hash );
+            ret = mbedtls_ripemd160_finish(&operation->ctx.ripemd160, hash);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1)
         case PSA_ALG_SHA_1:
-            ret = mbedtls_sha1_finish( &operation->ctx.sha1, hash );
+            ret = mbedtls_sha1_finish(&operation->ctx.sha1, hash);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224)
         case PSA_ALG_SHA_224:
-            ret = mbedtls_sha256_finish( &operation->ctx.sha256, hash );
+            ret = mbedtls_sha256_finish(&operation->ctx.sha256, hash);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256)
         case PSA_ALG_SHA_256:
-            ret = mbedtls_sha256_finish( &operation->ctx.sha256, hash );
+            ret = mbedtls_sha256_finish(&operation->ctx.sha256, hash);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384)
         case PSA_ALG_SHA_384:
-            ret = mbedtls_sha512_finish( &operation->ctx.sha512, hash );
+            ret = mbedtls_sha512_finish(&operation->ctx.sha512, hash);
             break;
 #endif
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512)
         case PSA_ALG_SHA_512:
-            ret = mbedtls_sha512_finish( &operation->ctx.sha512, hash );
+            ret = mbedtls_sha512_finish(&operation->ctx.sha512, hash);
             break;
 #endif
         default:
             (void) hash;
-            return( PSA_ERROR_BAD_STATE );
+            return PSA_ERROR_BAD_STATE;
     }
-    status = mbedtls_to_psa_error( ret );
+    status = mbedtls_to_psa_error(ret);
 
 exit:
-    if( status == PSA_SUCCESS )
+    if (status == PSA_SUCCESS) {
         *hash_length = actual_hash_length;
-    return( status );
+    }
+    return status;
 }
 
 psa_status_t mbedtls_psa_hash_compute(
@@ -357,22 +353,26 @@
     psa_status_t abort_status = PSA_ERROR_CORRUPTION_DETECTED;
 
     *hash_length = hash_size;
-    status = mbedtls_psa_hash_setup( &operation, alg );
-    if( status != PSA_SUCCESS )
+    status = mbedtls_psa_hash_setup(&operation, alg);
+    if (status != PSA_SUCCESS) {
         goto exit;
-    status = mbedtls_psa_hash_update( &operation, input, input_length );
-    if( status != PSA_SUCCESS )
+    }
+    status = mbedtls_psa_hash_update(&operation, input, input_length);
+    if (status != PSA_SUCCESS) {
         goto exit;
-    status = mbedtls_psa_hash_finish( &operation, hash, hash_size, hash_length );
-    if( status != PSA_SUCCESS )
+    }
+    status = mbedtls_psa_hash_finish(&operation, hash, hash_size, hash_length);
+    if (status != PSA_SUCCESS) {
         goto exit;
+    }
 
 exit:
-    abort_status = mbedtls_psa_hash_abort( &operation );
-    if( status == PSA_SUCCESS )
-        return( abort_status );
-    else
-        return( status );
+    abort_status = mbedtls_psa_hash_abort(&operation);
+    if (status == PSA_SUCCESS) {
+        return abort_status;
+    } else {
+        return status;
+    }
 
 }
 #endif /* MBEDTLS_PSA_BUILTIN_HASH */