diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h
index 5b54be2..00bd17d 100644
--- a/include/mbedtls/sha256.h
+++ b/include/mbedtls/sha256.h
@@ -55,8 +55,7 @@
  *                 checksum calculations. The choice between these two is
  *                 made in the call to mbedtls_sha256_starts_ret().
  */
-typedef struct mbedtls_sha256_context
-{
+typedef struct mbedtls_sha256_context {
     uint32_t total[2];          /*!< The number of Bytes processed.  */
     uint32_t state[8];          /*!< The intermediate digest state.  */
     unsigned char buffer[64];   /*!< The data block being processed. */
@@ -74,7 +73,7 @@
  *
  * \param ctx      The SHA-256 context to initialize. This must not be \c NULL.
  */
-void mbedtls_sha256_init( mbedtls_sha256_context *ctx );
+void mbedtls_sha256_init(mbedtls_sha256_context *ctx);
 
 /**
  * \brief          This function clears a SHA-256 context.
@@ -83,7 +82,7 @@
  *                 case this function returns immediately. If it is not \c NULL,
  *                 it must point to an initialized SHA-256 context.
  */
-void mbedtls_sha256_free( mbedtls_sha256_context *ctx );
+void mbedtls_sha256_free(mbedtls_sha256_context *ctx);
 
 /**
  * \brief          This function clones the state of a SHA-256 context.
@@ -91,8 +90,8 @@
  * \param dst      The destination context. This must be initialized.
  * \param src      The context to clone. This must be initialized.
  */
-void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
-                           const mbedtls_sha256_context *src );
+void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
+                          const mbedtls_sha256_context *src);
 
 /**
  * \brief          This function starts a SHA-224 or SHA-256 checksum
@@ -105,7 +104,7 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 );
+int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224);
 
 /**
  * \brief          This function feeds an input buffer into an ongoing
@@ -120,9 +119,9 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
-                               const unsigned char *input,
-                               size_t ilen );
+int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx,
+                              const unsigned char *input,
+                              size_t ilen);
 
 /**
  * \brief          This function finishes the SHA-256 operation, and writes
@@ -136,8 +135,8 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
-                               unsigned char output[32] );
+int mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx,
+                              unsigned char output[32]);
 
 /**
  * \brief          This function processes a single data block within
@@ -151,8 +150,8 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx,
-                                     const unsigned char data[64] );
+int mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx,
+                                    const unsigned char data[64]);
 
 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
 #if defined(MBEDTLS_DEPRECATED_WARNING)
@@ -170,8 +169,8 @@
  * \param is224    Determines which function to use. This must be
  *                 either \c 0 for SHA-256, or \c 1 for SHA-224.
  */
-MBEDTLS_DEPRECATED void mbedtls_sha256_starts( mbedtls_sha256_context *ctx,
-                                               int is224 );
+MBEDTLS_DEPRECATED void mbedtls_sha256_starts(mbedtls_sha256_context *ctx,
+                                              int is224);
 
 /**
  * \brief          This function feeds an input buffer into an ongoing
@@ -185,9 +184,9 @@
  *                 buffer of length \p ilen Bytes.
  * \param ilen     The length of the input data in Bytes.
  */
-MBEDTLS_DEPRECATED void mbedtls_sha256_update( mbedtls_sha256_context *ctx,
-                                               const unsigned char *input,
-                                               size_t ilen );
+MBEDTLS_DEPRECATED void mbedtls_sha256_update(mbedtls_sha256_context *ctx,
+                                              const unsigned char *input,
+                                              size_t ilen);
 
 /**
  * \brief          This function finishes the SHA-256 operation, and writes
@@ -200,8 +199,8 @@
  * \param output   The SHA-224 or SHA-256 checksum result. This must be
  *                 a writable buffer of length \c 32 Bytes.
  */
-MBEDTLS_DEPRECATED void mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
-                                               unsigned char output[32] );
+MBEDTLS_DEPRECATED void mbedtls_sha256_finish(mbedtls_sha256_context *ctx,
+                                              unsigned char output[32]);
 
 /**
  * \brief          This function processes a single data block within
@@ -214,8 +213,8 @@
  * \param data     The buffer holding one block of data. This must be
  *                 a readable buffer of size \c 64 Bytes.
  */
-MBEDTLS_DEPRECATED void mbedtls_sha256_process( mbedtls_sha256_context *ctx,
-                                                const unsigned char data[64] );
+MBEDTLS_DEPRECATED void mbedtls_sha256_process(mbedtls_sha256_context *ctx,
+                                               const unsigned char data[64]);
 
 #undef MBEDTLS_DEPRECATED
 #endif /* !MBEDTLS_DEPRECATED_REMOVED */
@@ -241,10 +240,10 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha256_ret( const unsigned char *input,
-                        size_t ilen,
-                        unsigned char output[32],
-                        int is224 );
+int mbedtls_sha256_ret(const unsigned char *input,
+                       size_t ilen,
+                       unsigned char output[32],
+                       int is224);
 
 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
 #if defined(MBEDTLS_DEPRECATED_WARNING)
@@ -273,10 +272,10 @@
  * \param is224    Determines which function to use. This must be either
  *                 \c 0 for SHA-256, or \c 1 for SHA-224.
  */
-MBEDTLS_DEPRECATED void mbedtls_sha256( const unsigned char *input,
-                                        size_t ilen,
-                                        unsigned char output[32],
-                                        int is224 );
+MBEDTLS_DEPRECATED void mbedtls_sha256(const unsigned char *input,
+                                       size_t ilen,
+                                       unsigned char output[32],
+                                       int is224);
 
 #undef MBEDTLS_DEPRECATED
 #endif /* !MBEDTLS_DEPRECATED_REMOVED */
@@ -289,7 +288,7 @@
  * \return         \c 0 on success.
  * \return         \c 1 on failure.
  */
-int mbedtls_sha256_self_test( int verbose );
+int mbedtls_sha256_self_test(int verbose);
 
 #endif /* MBEDTLS_SELF_TEST */