diff --git a/include/mbedtls/hmac_drbg.h b/include/mbedtls/hmac_drbg.h
index f2cf2c0..4ca6b08 100644
--- a/include/mbedtls/hmac_drbg.h
+++ b/include/mbedtls/hmac_drbg.h
@@ -83,8 +83,7 @@
 /**
  * HMAC_DRBG context.
  */
-typedef struct mbedtls_hmac_drbg_context
-{
+typedef struct mbedtls_hmac_drbg_context {
     /* Working state: the key K is not stored explicitly,
      * but is implied by the HMAC context */
     mbedtls_md_context_t MBEDTLS_PRIVATE(md_ctx);                    /*!< HMAC context (inc. K)  */
@@ -94,11 +93,11 @@
     /* Administrative state */
     size_t MBEDTLS_PRIVATE(entropy_len);         /*!< entropy bytes grabbed on each (re)seed */
     int MBEDTLS_PRIVATE(prediction_resistance);  /*!< enable prediction resistance (Automatic
-                                     reseed before every random generation) */
+                                                    reseed before every random generation) */
     int MBEDTLS_PRIVATE(reseed_interval);        /*!< reseed interval   */
 
     /* Callbacks */
-    int (*MBEDTLS_PRIVATE(f_entropy))(void *, unsigned char *, size_t); /*!< entropy function */
+    int(*MBEDTLS_PRIVATE(f_entropy))(void *, unsigned char *, size_t);  /*!< entropy function */
     void *MBEDTLS_PRIVATE(p_entropy);            /*!< context for the entropy function        */
 
 #if defined(MBEDTLS_THREADING_C)
@@ -126,7 +125,7 @@
  *
  * \param ctx           HMAC_DRBG context to be initialized.
  */
-void mbedtls_hmac_drbg_init( mbedtls_hmac_drbg_context *ctx );
+void mbedtls_hmac_drbg_init(mbedtls_hmac_drbg_context *ctx);
 
 /**
  * \brief               HMAC_DRBG initial seeding.
@@ -196,12 +195,12 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
  *                      if the call to \p f_entropy failed.
  */
-int mbedtls_hmac_drbg_seed( mbedtls_hmac_drbg_context *ctx,
-                    const mbedtls_md_info_t * md_info,
-                    int (*f_entropy)(void *, unsigned char *, size_t),
-                    void *p_entropy,
-                    const unsigned char *custom,
-                    size_t len );
+int mbedtls_hmac_drbg_seed(mbedtls_hmac_drbg_context *ctx,
+                           const mbedtls_md_info_t *md_info,
+                           int (*f_entropy)(void *, unsigned char *, size_t),
+                           void *p_entropy,
+                           const unsigned char *custom,
+                           size_t len);
 
 /**
  * \brief               Initialisation of simplified HMAC_DRBG (never reseeds).
@@ -231,9 +230,9 @@
  * \return              #MBEDTLS_ERR_MD_ALLOC_FAILED if there was not enough
  *                      memory to allocate context data.
  */
-int mbedtls_hmac_drbg_seed_buf( mbedtls_hmac_drbg_context *ctx,
-                        const mbedtls_md_info_t * md_info,
-                        const unsigned char *data, size_t data_len );
+int mbedtls_hmac_drbg_seed_buf(mbedtls_hmac_drbg_context *ctx,
+                               const mbedtls_md_info_t *md_info,
+                               const unsigned char *data, size_t data_len);
 
 /**
  * \brief               This function turns prediction resistance on or off.
@@ -248,8 +247,8 @@
  * \param ctx           The HMAC_DRBG context.
  * \param resistance    #MBEDTLS_HMAC_DRBG_PR_ON or #MBEDTLS_HMAC_DRBG_PR_OFF.
  */
-void mbedtls_hmac_drbg_set_prediction_resistance( mbedtls_hmac_drbg_context *ctx,
-                                          int resistance );
+void mbedtls_hmac_drbg_set_prediction_resistance(mbedtls_hmac_drbg_context *ctx,
+                                                 int resistance);
 
 /**
  * \brief               This function sets the amount of entropy grabbed on each
@@ -260,8 +259,8 @@
  * \param ctx           The HMAC_DRBG context.
  * \param len           The amount of entropy to grab, in bytes.
  */
-void mbedtls_hmac_drbg_set_entropy_len( mbedtls_hmac_drbg_context *ctx,
-                                size_t len );
+void mbedtls_hmac_drbg_set_entropy_len(mbedtls_hmac_drbg_context *ctx,
+                                       size_t len);
 
 /**
  * \brief               Set the reseed interval.
@@ -275,8 +274,8 @@
  * \param ctx           The HMAC_DRBG context.
  * \param interval      The reseed interval.
  */
-void mbedtls_hmac_drbg_set_reseed_interval( mbedtls_hmac_drbg_context *ctx,
-                                    int interval );
+void mbedtls_hmac_drbg_set_reseed_interval(mbedtls_hmac_drbg_context *ctx,
+                                           int interval);
 
 /**
  * \brief               This function updates the state of the HMAC_DRBG context.
@@ -295,8 +294,8 @@
  * \return              \c 0 on success, or an error from the underlying
  *                      hash calculation.
  */
-int mbedtls_hmac_drbg_update( mbedtls_hmac_drbg_context *ctx,
-                              const unsigned char *additional, size_t add_len );
+int mbedtls_hmac_drbg_update(mbedtls_hmac_drbg_context *ctx,
+                             const unsigned char *additional, size_t add_len);
 
 /**
  * \brief               This function reseeds the HMAC_DRBG context, that is
@@ -322,8 +321,8 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
  *                      if a call to the entropy function failed.
  */
-int mbedtls_hmac_drbg_reseed( mbedtls_hmac_drbg_context *ctx,
-                      const unsigned char *additional, size_t len );
+int mbedtls_hmac_drbg_reseed(mbedtls_hmac_drbg_context *ctx,
+                             const unsigned char *additional, size_t len);
 
 /**
  * \brief   This function updates an HMAC_DRBG instance with additional
@@ -356,10 +355,10 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG if
  *                      \p add_len > #MBEDTLS_HMAC_DRBG_MAX_INPUT.
  */
-int mbedtls_hmac_drbg_random_with_add( void *p_rng,
-                               unsigned char *output, size_t output_len,
-                               const unsigned char *additional,
-                               size_t add_len );
+int mbedtls_hmac_drbg_random_with_add(void *p_rng,
+                                      unsigned char *output, size_t output_len,
+                                      const unsigned char *additional,
+                                      size_t add_len);
 
 /**
  * \brief   This function uses HMAC_DRBG to generate random data.
@@ -388,7 +387,7 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG if
  *                      \p out_len > #MBEDTLS_HMAC_DRBG_MAX_REQUEST.
  */
-int mbedtls_hmac_drbg_random( void *p_rng, unsigned char *output, size_t out_len );
+int mbedtls_hmac_drbg_random(void *p_rng, unsigned char *output, size_t out_len);
 
 /**
  * \brief               This function resets HMAC_DRBG context to the state immediately
@@ -396,7 +395,7 @@
  *
  * \param ctx           The HMAC_DRBG context to free.
  */
-void mbedtls_hmac_drbg_free( mbedtls_hmac_drbg_context *ctx );
+void mbedtls_hmac_drbg_free(mbedtls_hmac_drbg_context *ctx);
 
 #if defined(MBEDTLS_FS_IO)
 /**
@@ -410,7 +409,7 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED on reseed
  *                      failure.
  */
-int mbedtls_hmac_drbg_write_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path );
+int mbedtls_hmac_drbg_write_seed_file(mbedtls_hmac_drbg_context *ctx, const char *path);
 
 /**
  * \brief               This function reads and updates a seed file. The seed
@@ -426,7 +425,7 @@
  * \return              #MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG if the existing
  *                      seed file is too large.
  */
-int mbedtls_hmac_drbg_update_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path );
+int mbedtls_hmac_drbg_update_seed_file(mbedtls_hmac_drbg_context *ctx, const char *path);
 #endif /* MBEDTLS_FS_IO */
 
 
@@ -437,7 +436,7 @@
  * \return              \c 0 if successful.
  * \return              \c 1 if the test failed.
  */
-int mbedtls_hmac_drbg_self_test( int verbose );
+int mbedtls_hmac_drbg_self_test(int verbose);
 #endif
 
 #ifdef __cplusplus