diff --git a/tests/include/test/drivers/aead.h b/tests/include/test/drivers/aead.h
index 2207cb3..182bed2 100644
--- a/tests/include/test/drivers/aead.h
+++ b/tests/include/test/drivers/aead.h
@@ -41,10 +41,10 @@
 
 #define MBEDTLS_TEST_DRIVER_AEAD_INIT { 0, 0, 0 }
 static inline mbedtls_test_driver_aead_hooks_t
-    mbedtls_test_driver_aead_hooks_init( void )
+mbedtls_test_driver_aead_hooks_init(void)
 {
     const mbedtls_test_driver_aead_hooks_t v = MBEDTLS_TEST_DRIVER_AEAD_INIT;
-    return( v );
+    return v;
 }
 
 extern mbedtls_test_driver_aead_hooks_t mbedtls_test_driver_aead_hooks;
@@ -56,7 +56,7 @@
     const uint8_t *nonce, size_t nonce_length,
     const uint8_t *additional_data, size_t additional_data_length,
     const uint8_t *plaintext, size_t plaintext_length,
-    uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length );
+    uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length);
 
 psa_status_t mbedtls_test_transparent_aead_decrypt(
     const psa_key_attributes_t *attributes,
@@ -65,7 +65,7 @@
     const uint8_t *nonce, size_t nonce_length,
     const uint8_t *additional_data, size_t additional_data_length,
     const uint8_t *ciphertext, size_t ciphertext_length,
-    uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length );
+    uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length);
 
 #endif /* PSA_CRYPTO_DRIVER_TEST */
 #endif /* PSA_CRYPTO_TEST_DRIVERS_AEAD_H */
diff --git a/tests/include/test/drivers/cipher.h b/tests/include/test/drivers/cipher.h
index c1aa616..2bd7b62 100644
--- a/tests/include/test/drivers/cipher.h
+++ b/tests/include/test/drivers/cipher.h
@@ -45,10 +45,10 @@
 
 #define MBEDTLS_TEST_DRIVER_CIPHER_INIT { NULL, 0, PSA_SUCCESS, 0 }
 static inline mbedtls_test_driver_cipher_hooks_t
-     mbedtls_test_driver_cipher_hooks_init( void )
+mbedtls_test_driver_cipher_hooks_init(void)
 {
     const mbedtls_test_driver_cipher_hooks_t v = MBEDTLS_TEST_DRIVER_CIPHER_INIT;
-    return( v );
+    return v;
 }
 
 extern mbedtls_test_driver_cipher_hooks_t mbedtls_test_driver_cipher_hooks;
@@ -81,7 +81,7 @@
     psa_algorithm_t alg);
 
 psa_status_t mbedtls_test_transparent_cipher_abort(
-    mbedtls_transparent_test_driver_cipher_operation_t *operation );
+    mbedtls_transparent_test_driver_cipher_operation_t *operation);
 
 psa_status_t mbedtls_test_transparent_cipher_set_iv(
     mbedtls_transparent_test_driver_cipher_operation_t *operation,
diff --git a/tests/include/test/drivers/hash.h b/tests/include/test/drivers/hash.h
index 865cd74..de7ebc5 100644
--- a/tests/include/test/drivers/hash.h
+++ b/tests/include/test/drivers/hash.h
@@ -41,10 +41,10 @@
 
 #define MBEDTLS_TEST_DRIVER_HASH_INIT { 0, 0, 0 }
 static inline mbedtls_test_driver_hash_hooks_t
-    mbedtls_test_driver_hash_hooks_init( void )
+mbedtls_test_driver_hash_hooks_init(void)
 {
     const mbedtls_test_driver_hash_hooks_t v = MBEDTLS_TEST_DRIVER_HASH_INIT;
-    return( v );
+    return v;
 }
 
 extern mbedtls_test_driver_hash_hooks_t mbedtls_test_driver_hash_hooks;
@@ -52,29 +52,29 @@
 psa_status_t mbedtls_test_transparent_hash_compute(
     psa_algorithm_t alg,
     const uint8_t *input, size_t input_length,
-    uint8_t *hash, size_t hash_size, size_t *hash_length );
+    uint8_t *hash, size_t hash_size, size_t *hash_length);
 
 psa_status_t mbedtls_test_transparent_hash_setup(
     mbedtls_transparent_test_driver_hash_operation_t *operation,
-    psa_algorithm_t alg );
+    psa_algorithm_t alg);
 
 psa_status_t mbedtls_test_transparent_hash_clone(
     const mbedtls_transparent_test_driver_hash_operation_t *source_operation,
-    mbedtls_transparent_test_driver_hash_operation_t *target_operation );
+    mbedtls_transparent_test_driver_hash_operation_t *target_operation);
 
 psa_status_t mbedtls_test_transparent_hash_update(
     mbedtls_transparent_test_driver_hash_operation_t *operation,
     const uint8_t *input,
-    size_t input_length );
+    size_t input_length);
 
 psa_status_t mbedtls_test_transparent_hash_finish(
     mbedtls_transparent_test_driver_hash_operation_t *operation,
     uint8_t *hash,
     size_t hash_size,
-    size_t *hash_length );
+    size_t *hash_length);
 
 psa_status_t mbedtls_test_transparent_hash_abort(
-    mbedtls_transparent_test_driver_hash_operation_t *operation );
+    mbedtls_transparent_test_driver_hash_operation_t *operation);
 
 #endif /* PSA_CRYPTO_DRIVER_TEST */
 #endif /* PSA_CRYPTO_TEST_DRIVERS_HASH_H */
diff --git a/tests/include/test/drivers/key_management.h b/tests/include/test/drivers/key_management.h
index c8dfbb3..d10ba4b 100644
--- a/tests/include/test/drivers/key_management.h
+++ b/tests/include/test/drivers/key_management.h
@@ -52,43 +52,43 @@
  * used as a location of an opaque test drivers. */
 #define MBEDTLS_TEST_DRIVER_KEY_MANAGEMENT_INIT { NULL, 0, PSA_SUCCESS, 0, 0x800000 }
 static inline mbedtls_test_driver_key_management_hooks_t
-    mbedtls_test_driver_key_management_hooks_init( void )
+mbedtls_test_driver_key_management_hooks_init(void)
 {
     const mbedtls_test_driver_key_management_hooks_t
         v = MBEDTLS_TEST_DRIVER_KEY_MANAGEMENT_INIT;
-    return( v );
+    return v;
 }
 
 extern mbedtls_test_driver_key_management_hooks_t
     mbedtls_test_driver_key_management_hooks;
 
-psa_status_t mbedtls_test_transparent_init( void );
-void mbedtls_test_transparent_free( void );
-psa_status_t mbedtls_test_opaque_init( void );
-void mbedtls_test_opaque_free( void );
+psa_status_t mbedtls_test_transparent_init(void);
+void mbedtls_test_transparent_free(void);
+psa_status_t mbedtls_test_opaque_init(void);
+void mbedtls_test_opaque_free(void);
 
 psa_status_t mbedtls_test_transparent_generate_key(
     const psa_key_attributes_t *attributes,
-    uint8_t *key, size_t key_size, size_t *key_length );
+    uint8_t *key, size_t key_size, size_t *key_length);
 
 psa_status_t mbedtls_test_opaque_generate_key(
     const psa_key_attributes_t *attributes,
-    uint8_t *key, size_t key_size, size_t *key_length );
+    uint8_t *key, size_t key_size, size_t *key_length);
 
 psa_status_t mbedtls_test_opaque_export_key(
     const psa_key_attributes_t *attributes,
     const uint8_t *key, size_t key_length,
-    uint8_t *data, size_t data_size, size_t *data_length );
+    uint8_t *data, size_t data_size, size_t *data_length);
 
 psa_status_t mbedtls_test_transparent_export_public_key(
     const psa_key_attributes_t *attributes,
     const uint8_t *key, size_t key_length,
-    uint8_t *data, size_t data_size, size_t *data_length );
+    uint8_t *data, size_t data_size, size_t *data_length);
 
 psa_status_t mbedtls_test_opaque_export_public_key(
     const psa_key_attributes_t *attributes,
     const uint8_t *key, size_t key_length,
-    uint8_t *data, size_t data_size, size_t *data_length );
+    uint8_t *data, size_t data_size, size_t *data_length);
 
 psa_status_t mbedtls_test_transparent_import_key(
     const psa_key_attributes_t *attributes,
@@ -102,7 +102,7 @@
 psa_status_t mbedtls_test_opaque_get_builtin_key(
     psa_drv_slot_number_t slot_number,
     psa_key_attributes_t *attributes,
-    uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length );
+    uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length);
 
 #endif /* PSA_CRYPTO_DRIVER_TEST */
 #endif /* PSA_CRYPTO_TEST_DRIVERS_KEY_MANAGEMENT_H */
diff --git a/tests/include/test/drivers/mac.h b/tests/include/test/drivers/mac.h
index 7733dd3..8af1335 100644
--- a/tests/include/test/drivers/mac.h
+++ b/tests/include/test/drivers/mac.h
@@ -41,10 +41,10 @@
 
 #define MBEDTLS_TEST_DRIVER_MAC_INIT { 0, 0, 0 }
 static inline mbedtls_test_driver_mac_hooks_t
-    mbedtls_test_driver_mac_hooks_init( void )
+mbedtls_test_driver_mac_hooks_init(void)
 {
     const mbedtls_test_driver_mac_hooks_t v = MBEDTLS_TEST_DRIVER_MAC_INIT;
-    return( v );
+    return v;
 }
 
 extern mbedtls_test_driver_mac_hooks_t mbedtls_test_driver_mac_hooks;
@@ -58,40 +58,40 @@
     size_t input_length,
     uint8_t *mac,
     size_t mac_size,
-    size_t *mac_length );
+    size_t *mac_length);
 
 psa_status_t mbedtls_test_transparent_mac_sign_setup(
     mbedtls_transparent_test_driver_mac_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);
 
 psa_status_t mbedtls_test_transparent_mac_verify_setup(
     mbedtls_transparent_test_driver_mac_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);
 
 psa_status_t mbedtls_test_transparent_mac_update(
     mbedtls_transparent_test_driver_mac_operation_t *operation,
     const uint8_t *input,
-    size_t input_length );
+    size_t input_length);
 
 psa_status_t mbedtls_test_transparent_mac_sign_finish(
     mbedtls_transparent_test_driver_mac_operation_t *operation,
     uint8_t *mac,
     size_t mac_size,
-    size_t *mac_length );
+    size_t *mac_length);
 
 psa_status_t mbedtls_test_transparent_mac_verify_finish(
     mbedtls_transparent_test_driver_mac_operation_t *operation,
     const uint8_t *mac,
-    size_t mac_length );
+    size_t mac_length);
 
 psa_status_t mbedtls_test_transparent_mac_abort(
-    mbedtls_transparent_test_driver_mac_operation_t *operation );
+    mbedtls_transparent_test_driver_mac_operation_t *operation);
 
 psa_status_t mbedtls_test_opaque_mac_compute(
     const psa_key_attributes_t *attributes,
@@ -102,40 +102,40 @@
     size_t input_length,
     uint8_t *mac,
     size_t mac_size,
-    size_t *mac_length );
+    size_t *mac_length);
 
 psa_status_t mbedtls_test_opaque_mac_sign_setup(
     mbedtls_opaque_test_driver_mac_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);
 
 psa_status_t mbedtls_test_opaque_mac_verify_setup(
     mbedtls_opaque_test_driver_mac_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);
 
 psa_status_t mbedtls_test_opaque_mac_update(
     mbedtls_opaque_test_driver_mac_operation_t *operation,
     const uint8_t *input,
-    size_t input_length );
+    size_t input_length);
 
 psa_status_t mbedtls_test_opaque_mac_sign_finish(
     mbedtls_opaque_test_driver_mac_operation_t *operation,
     uint8_t *mac,
     size_t mac_size,
-    size_t *mac_length );
+    size_t *mac_length);
 
 psa_status_t mbedtls_test_opaque_mac_verify_finish(
     mbedtls_opaque_test_driver_mac_operation_t *operation,
     const uint8_t *mac,
-    size_t mac_length );
+    size_t mac_length);
 
 psa_status_t mbedtls_test_opaque_mac_abort(
-    mbedtls_opaque_test_driver_mac_operation_t *operation );
+    mbedtls_opaque_test_driver_mac_operation_t *operation);
 
 #endif /* PSA_CRYPTO_DRIVER_TEST */
 #endif /* PSA_CRYPTO_TEST_DRIVERS_MAC_H */
diff --git a/tests/include/test/drivers/signature.h b/tests/include/test/drivers/signature.h
index 5e64edc..4a2465b 100644
--- a/tests/include/test/drivers/signature.h
+++ b/tests/include/test/drivers/signature.h
@@ -42,11 +42,11 @@
 
 #define MBEDTLS_TEST_DRIVER_SIGNATURE_INIT { NULL, 0, PSA_SUCCESS, 0 }
 static inline mbedtls_test_driver_signature_hooks_t
-    mbedtls_test_driver_signature_hooks_init( void )
+mbedtls_test_driver_signature_hooks_init(void)
 {
     const mbedtls_test_driver_signature_hooks_t
         v = MBEDTLS_TEST_DRIVER_SIGNATURE_INIT;
-    return( v );
+    return v;
 }
 
 extern mbedtls_test_driver_signature_hooks_t
@@ -63,7 +63,7 @@
     size_t input_length,
     uint8_t *signature,
     size_t signature_size,
-    size_t *signature_length );
+    size_t *signature_length);
 
 psa_status_t mbedtls_test_opaque_signature_sign_message(
     const psa_key_attributes_t *attributes,
@@ -74,7 +74,7 @@
     size_t input_length,
     uint8_t *signature,
     size_t signature_size,
-    size_t *signature_length );
+    size_t *signature_length);
 
 psa_status_t mbedtls_test_transparent_signature_verify_message(
     const psa_key_attributes_t *attributes,
@@ -84,7 +84,7 @@
     const uint8_t *input,
     size_t input_length,
     const uint8_t *signature,
-    size_t signature_length );
+    size_t signature_length);
 
 psa_status_t mbedtls_test_opaque_signature_verify_message(
     const psa_key_attributes_t *attributes,
@@ -94,35 +94,35 @@
     const uint8_t *input,
     size_t input_length,
     const uint8_t *signature,
-    size_t signature_length );
+    size_t signature_length);
 
 psa_status_t mbedtls_test_transparent_signature_sign_hash(
     const psa_key_attributes_t *attributes,
     const uint8_t *key, size_t key_length,
     psa_algorithm_t alg,
     const uint8_t *hash, size_t hash_length,
-    uint8_t *signature, size_t signature_size, size_t *signature_length );
+    uint8_t *signature, size_t signature_size, size_t *signature_length);
 
 psa_status_t mbedtls_test_opaque_signature_sign_hash(
     const psa_key_attributes_t *attributes,
     const uint8_t *key, size_t key_length,
     psa_algorithm_t alg,
     const uint8_t *hash, size_t hash_length,
-    uint8_t *signature, size_t signature_size, size_t *signature_length );
+    uint8_t *signature, size_t signature_size, size_t *signature_length);
 
 psa_status_t mbedtls_test_transparent_signature_verify_hash(
     const psa_key_attributes_t *attributes,
     const uint8_t *key, size_t key_length,
     psa_algorithm_t alg,
     const uint8_t *hash, size_t hash_length,
-    const uint8_t *signature, size_t signature_length );
+    const uint8_t *signature, size_t signature_length);
 
 psa_status_t mbedtls_test_opaque_signature_verify_hash(
     const psa_key_attributes_t *attributes,
     const uint8_t *key, size_t key_length,
     psa_algorithm_t alg,
     const uint8_t *hash, size_t hash_length,
-    const uint8_t *signature, size_t signature_length );
+    const uint8_t *signature, size_t signature_length);
 
 #endif /* PSA_CRYPTO_DRIVER_TEST */
 #endif /* PSA_CRYPTO_TEST_DRIVERS_SIGNATURE_H */
diff --git a/tests/include/test/drivers/size.h b/tests/include/test/drivers/size.h
index b2665bd..9d0adcf 100644
--- a/tests/include/test/drivers/size.h
+++ b/tests/include/test/drivers/size.h
@@ -31,7 +31,7 @@
 
 size_t mbedtls_test_size_function(
     const psa_key_type_t key_type,
-    const size_t key_bits );
+    const size_t key_bits);
 
 #endif /* PSA_CRYPTO_DRIVER_TEST */
 #endif /* PSA_CRYPTO_TEST_DRIVERS_SIZE_H */