diff --git a/include/mbedtls/cmac.h b/include/mbedtls/cmac.h
index 8934886..254995c 100644
--- a/include/mbedtls/cmac.h
+++ b/include/mbedtls/cmac.h
@@ -56,8 +56,7 @@
 /**
  * The CMAC context structure.
  */
-struct mbedtls_cmac_context_t
-{
+struct mbedtls_cmac_context_t {
     /** The internal state of the CMAC algorithm.  */
     unsigned char       state[MBEDTLS_CIPHER_BLKSIZE_MAX];
 
@@ -103,8 +102,8 @@
  * \return              \c 0 on success.
  * \return              A cipher-specific error code on failure.
  */
-int mbedtls_cipher_cmac_starts( mbedtls_cipher_context_t *ctx,
-                                const unsigned char *key, size_t keybits );
+int mbedtls_cipher_cmac_starts(mbedtls_cipher_context_t *ctx,
+                               const unsigned char *key, size_t keybits);
 
 /**
  * \brief               This function feeds an input buffer into an ongoing CMAC
@@ -128,8 +127,8 @@
  * \return             #MBEDTLS_ERR_MD_BAD_INPUT_DATA
  *                     if parameter verification fails.
  */
-int mbedtls_cipher_cmac_update( mbedtls_cipher_context_t *ctx,
-                                const unsigned char *input, size_t ilen );
+int mbedtls_cipher_cmac_update(mbedtls_cipher_context_t *ctx,
+                               const unsigned char *input, size_t ilen);
 
 /**
  * \brief               This function finishes an ongoing CMAC operation, and
@@ -147,8 +146,8 @@
  * \return              #MBEDTLS_ERR_MD_BAD_INPUT_DATA
  *                      if parameter verification fails.
  */
-int mbedtls_cipher_cmac_finish( mbedtls_cipher_context_t *ctx,
-                                unsigned char *output );
+int mbedtls_cipher_cmac_finish(mbedtls_cipher_context_t *ctx,
+                               unsigned char *output);
 
 /**
  * \brief               This function starts a new CMAC operation with the same
@@ -166,7 +165,7 @@
  * \return              #MBEDTLS_ERR_MD_BAD_INPUT_DATA
  *                      if parameter verification fails.
  */
-int mbedtls_cipher_cmac_reset( mbedtls_cipher_context_t *ctx );
+int mbedtls_cipher_cmac_reset(mbedtls_cipher_context_t *ctx);
 
 /**
  * \brief               This function calculates the full generic CMAC
@@ -195,10 +194,10 @@
  * \return              #MBEDTLS_ERR_MD_BAD_INPUT_DATA
  *                      if parameter verification fails.
  */
-int mbedtls_cipher_cmac( const mbedtls_cipher_info_t *cipher_info,
-                         const unsigned char *key, size_t keylen,
-                         const unsigned char *input, size_t ilen,
-                         unsigned char *output );
+int mbedtls_cipher_cmac(const mbedtls_cipher_info_t *cipher_info,
+                        const unsigned char *key, size_t keylen,
+                        const unsigned char *input, size_t ilen,
+                        unsigned char *output);
 
 #if defined(MBEDTLS_AES_C)
 /**
@@ -218,12 +217,12 @@
  *
  * \return          \c 0 on success.
  */
-int mbedtls_aes_cmac_prf_128( const unsigned char *key, size_t key_len,
-                              const unsigned char *input, size_t in_len,
-                              unsigned char output[16] );
+int mbedtls_aes_cmac_prf_128(const unsigned char *key, size_t key_len,
+                             const unsigned char *input, size_t in_len,
+                             unsigned char output[16]);
 #endif /* MBEDTLS_AES_C */
 
-#if defined(MBEDTLS_SELF_TEST) && ( defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C) )
+#if defined(MBEDTLS_SELF_TEST) && (defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C))
 /**
  * \brief          The CMAC checkup routine.
  *
@@ -237,7 +236,7 @@
  * \return         \c 0 on success.
  * \return         \c 1 on failure.
  */
-int mbedtls_cmac_self_test( int verbose );
+int mbedtls_cmac_self_test(int verbose);
 #endif /* MBEDTLS_SELF_TEST && ( MBEDTLS_AES_C || MBEDTLS_DES_C ) */
 
 #ifdef __cplusplus