diff --git a/library/psa_crypto_hash.h b/library/psa_crypto_hash.h
index b99b942..ab07231 100644
--- a/library/psa_crypto_hash.h
+++ b/library/psa_crypto_hash.h
@@ -32,7 +32,7 @@
  * \return  The Mbed TLS MD information of the hash algorithm. \c NULL if the
  *          PSA hash algorithm is not supported.
  */
-const mbedtls_md_info_t *mbedtls_md_info_from_psa( psa_algorithm_t alg );
+const mbedtls_md_info_t *mbedtls_md_info_from_psa(psa_algorithm_t alg);
 
 /** Calculate the hash (digest) of a message using Mbed TLS routines.
  *
@@ -102,7 +102,7 @@
  */
 psa_status_t mbedtls_psa_hash_setup(
     mbedtls_psa_hash_operation_t *operation,
-    psa_algorithm_t alg );
+    psa_algorithm_t alg);
 
 /** Clone an Mbed TLS hash operation.
  *
@@ -134,7 +134,7 @@
  */
 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);
 
 /** Add a message fragment to a multipart Mbed TLS hash operation.
  *
@@ -162,7 +162,7 @@
 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);
 
 /** Finish the calculation of the Mbed TLS-calculated hash of a message.
  *
@@ -202,7 +202,7 @@
     mbedtls_psa_hash_operation_t *operation,
     uint8_t *hash,
     size_t hash_size,
-    size_t *hash_length );
+    size_t *hash_length);
 
 /** Abort an Mbed TLS hash operation.
  *
@@ -229,6 +229,6 @@
  * \retval #PSA_ERROR_CORRUPTION_DETECTED
  */
 psa_status_t mbedtls_psa_hash_abort(
-    mbedtls_psa_hash_operation_t *operation );
+    mbedtls_psa_hash_operation_t *operation);
 
 #endif /* PSA_CRYPTO_HASH_H */