diff --git a/library/psa_crypto_cipher.h b/library/psa_crypto_cipher.h
index 3bd5360..6cc6bf6 100644
--- a/library/psa_crypto_cipher.h
+++ b/library/psa_crypto_cipher.h
@@ -38,7 +38,7 @@
  */
 const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
     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);
 
 /**
  * \brief Set the key for a multipart symmetric encryption operation.
@@ -68,7 +68,7 @@
     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);
 
 /**
  * \brief Set the key for a multipart symmetric decryption operation.
@@ -98,7 +98,7 @@
     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);
 
 /** Set the IV for a symmetric encryption or decryption operation.
  *
@@ -124,7 +124,7 @@
  */
 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);
 
 /** Encrypt or decrypt a message fragment in an active cipher operation.
  *
@@ -150,7 +150,7 @@
 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);
 
 /** Finish encrypting or decrypting a message in a cipher operation.
  *
@@ -180,7 +180,7 @@
  */
 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);
 
 /** Abort a cipher operation.
  *
@@ -197,7 +197,7 @@
  *
  * \retval #PSA_SUCCESS
  */
-psa_status_t mbedtls_psa_cipher_abort( mbedtls_psa_cipher_operation_t *operation );
+psa_status_t mbedtls_psa_cipher_abort(mbedtls_psa_cipher_operation_t *operation);
 
 /** Encrypt a message using a symmetric cipher.
  *
@@ -241,17 +241,17 @@
  *         This is a decryption operation for an algorithm that includes
  *         padding, and the ciphertext does not contain valid padding.
  */
-psa_status_t mbedtls_psa_cipher_encrypt( const psa_key_attributes_t *attributes,
-                                         const uint8_t *key_buffer,
-                                         size_t key_buffer_size,
-                                         psa_algorithm_t alg,
-                                         const uint8_t *iv,
-                                         size_t iv_length,
-                                         const uint8_t *input,
-                                         size_t input_length,
-                                         uint8_t *output,
-                                         size_t output_size,
-                                         size_t *output_length );
+psa_status_t mbedtls_psa_cipher_encrypt(const psa_key_attributes_t *attributes,
+                                        const uint8_t *key_buffer,
+                                        size_t key_buffer_size,
+                                        psa_algorithm_t alg,
+                                        const uint8_t *iv,
+                                        size_t iv_length,
+                                        const uint8_t *input,
+                                        size_t input_length,
+                                        uint8_t *output,
+                                        size_t output_size,
+                                        size_t *output_length);
 
 /** Decrypt a message using a symmetric cipher.
  *
@@ -292,14 +292,14 @@
  *         This is a decryption operation for an algorithm that includes
  *         padding, and the ciphertext does not contain valid padding.
  */
-psa_status_t mbedtls_psa_cipher_decrypt( const psa_key_attributes_t *attributes,
-                                         const uint8_t *key_buffer,
-                                         size_t key_buffer_size,
-                                         psa_algorithm_t alg,
-                                         const uint8_t *input,
-                                         size_t input_length,
-                                         uint8_t *output,
-                                         size_t output_size,
-                                         size_t *output_length );
+psa_status_t mbedtls_psa_cipher_decrypt(const psa_key_attributes_t *attributes,
+                                        const uint8_t *key_buffer,
+                                        size_t key_buffer_size,
+                                        psa_algorithm_t alg,
+                                        const uint8_t *input,
+                                        size_t input_length,
+                                        uint8_t *output,
+                                        size_t output_size,
+                                        size_t *output_length);
 
 #endif /* PSA_CRYPTO_CIPHER_H */