diff --git a/include/mbedtls/sha1.h b/include/mbedtls/sha1.h
index 6b55174..18bde93 100644
--- a/include/mbedtls/sha1.h
+++ b/include/mbedtls/sha1.h
@@ -54,8 +54,7 @@
  *                 stronger message digests instead.
  *
  */
-typedef struct mbedtls_sha1_context
-{
+typedef struct mbedtls_sha1_context {
     uint32_t MBEDTLS_PRIVATE(total)[2];          /*!< The number of Bytes processed.  */
     uint32_t MBEDTLS_PRIVATE(state)[5];          /*!< The intermediate digest state.  */
     unsigned char MBEDTLS_PRIVATE(buffer)[64];   /*!< The data block being processed. */
@@ -77,7 +76,7 @@
  *                 This must not be \c NULL.
  *
  */
-void mbedtls_sha1_init( mbedtls_sha1_context *ctx );
+void mbedtls_sha1_init(mbedtls_sha1_context *ctx);
 
 /**
  * \brief          This function clears a SHA-1 context.
@@ -92,7 +91,7 @@
  *                 SHA-1 context.
  *
  */
-void mbedtls_sha1_free( mbedtls_sha1_context *ctx );
+void mbedtls_sha1_free(mbedtls_sha1_context *ctx);
 
 /**
  * \brief          This function clones the state of a SHA-1 context.
@@ -105,8 +104,8 @@
  * \param src      The SHA-1 context to clone from. This must be initialized.
  *
  */
-void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
-                         const mbedtls_sha1_context *src );
+void mbedtls_sha1_clone(mbedtls_sha1_context *dst,
+                        const mbedtls_sha1_context *src);
 
 /**
  * \brief          This function starts a SHA-1 checksum calculation.
@@ -121,7 +120,7 @@
  * \return         A negative error code on failure.
  *
  */
-int mbedtls_sha1_starts( mbedtls_sha1_context *ctx );
+int mbedtls_sha1_starts(mbedtls_sha1_context *ctx);
 
 /**
  * \brief          This function feeds an input buffer into an ongoing SHA-1
@@ -140,9 +139,9 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha1_update( mbedtls_sha1_context *ctx,
-                         const unsigned char *input,
-                         size_t ilen );
+int mbedtls_sha1_update(mbedtls_sha1_context *ctx,
+                        const unsigned char *input,
+                        size_t ilen);
 
 /**
  * \brief          This function finishes the SHA-1 operation, and writes
@@ -160,8 +159,8 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha1_finish( mbedtls_sha1_context *ctx,
-                         unsigned char output[20] );
+int mbedtls_sha1_finish(mbedtls_sha1_context *ctx,
+                        unsigned char output[20]);
 
 /**
  * \brief          SHA-1 process data block (internal use only).
@@ -178,8 +177,8 @@
  * \return         A negative error code on failure.
  *
  */
-int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx,
-                                   const unsigned char data[64] );
+int mbedtls_internal_sha1_process(mbedtls_sha1_context *ctx,
+                                  const unsigned char data[64]);
 
 /**
  * \brief          This function calculates the SHA-1 checksum of a buffer.
@@ -204,9 +203,9 @@
  * \return         A negative error code on failure.
  *
  */
-int mbedtls_sha1( const unsigned char *input,
-                  size_t ilen,
-                  unsigned char output[20] );
+int mbedtls_sha1(const unsigned char *input,
+                 size_t ilen,
+                 unsigned char output[20]);
 
 #if defined(MBEDTLS_SELF_TEST)
 
@@ -221,7 +220,7 @@
  * \return         \c 1 on failure.
  *
  */
-int mbedtls_sha1_self_test( int verbose );
+int mbedtls_sha1_self_test(int verbose);
 
 #endif /* MBEDTLS_SELF_TEST */