diff --git a/include/mbedtls/ctr_drbg.h b/include/mbedtls/ctr_drbg.h
index 2b66b53..8d28150 100644
--- a/include/mbedtls/ctr_drbg.h
+++ b/include/mbedtls/ctr_drbg.h
@@ -77,8 +77,8 @@
  */
 #endif
 
-#define MBEDTLS_CTR_DRBG_KEYBITS            ( MBEDTLS_CTR_DRBG_KEYSIZE * 8 ) /**< The key size for the DRBG operation, in bits. */
-#define MBEDTLS_CTR_DRBG_SEEDLEN            ( MBEDTLS_CTR_DRBG_KEYSIZE + MBEDTLS_CTR_DRBG_BLOCKSIZE ) /**< The seed length, calculated as (counter + AES key). */
+#define MBEDTLS_CTR_DRBG_KEYBITS            (MBEDTLS_CTR_DRBG_KEYSIZE * 8)   /**< The key size for the DRBG operation, in bits. */
+#define MBEDTLS_CTR_DRBG_SEEDLEN            (MBEDTLS_CTR_DRBG_KEYSIZE + MBEDTLS_CTR_DRBG_BLOCKSIZE)   /**< The seed length, calculated as (counter + AES key). */
 
 /**
  * \name SECTION: Module settings
@@ -161,42 +161,41 @@
  * the entropy source does not provide enough material to form a nonce.
  * See the documentation of mbedtls_ctr_drbg_seed() for more information.
  */
-#define MBEDTLS_CTR_DRBG_ENTROPY_NONCE_LEN ( MBEDTLS_CTR_DRBG_ENTROPY_LEN + 1 ) / 2
+#define MBEDTLS_CTR_DRBG_ENTROPY_NONCE_LEN (MBEDTLS_CTR_DRBG_ENTROPY_LEN + 1) / 2
 #endif
 
 /**
  * \brief          The CTR_DRBG context structure.
  */
-typedef struct mbedtls_ctr_drbg_context
-{
+typedef struct mbedtls_ctr_drbg_context {
     unsigned char MBEDTLS_PRIVATE(counter)[16];  /*!< The counter (V). */
     int MBEDTLS_PRIVATE(reseed_counter);         /*!< The reseed counter.
-                                 * This is the number of requests that have
-                                 * been made since the last (re)seeding,
-                                 * minus one.
-                                 * Before the initial seeding, this field
-                                 * contains the amount of entropy in bytes
-                                 * to use as a nonce for the initial seeding,
-                                 * or -1 if no nonce length has been explicitly
-                                 * set (see mbedtls_ctr_drbg_set_nonce_len()).
-                                 */
+                                                  * This is the number of requests that have
+                                                  * been made since the last (re)seeding,
+                                                  * minus one.
+                                                  * Before the initial seeding, this field
+                                                  * contains the amount of entropy in bytes
+                                                  * to use as a nonce for the initial seeding,
+                                                  * or -1 if no nonce length has been explicitly
+                                                  * set (see mbedtls_ctr_drbg_set_nonce_len()).
+                                                  */
     int MBEDTLS_PRIVATE(prediction_resistance);  /*!< This determines whether prediction
-                                     resistance is enabled, that is
-                                     whether to systematically reseed before
-                                     each random generation. */
+                                                    resistance is enabled, that is
+                                                    whether to systematically reseed before
+                                                    each random generation. */
     size_t MBEDTLS_PRIVATE(entropy_len);         /*!< The amount of entropy grabbed on each
-                                     seed or reseed operation, in bytes. */
+                                                    seed or reseed operation, in bytes. */
     int MBEDTLS_PRIVATE(reseed_interval);        /*!< The reseed interval.
-                                 * This is the maximum number of requests
-                                 * that can be made between reseedings. */
+                                                  * This is the maximum number of requests
+                                                  * that can be made between reseedings. */
 
     mbedtls_aes_context MBEDTLS_PRIVATE(aes_ctx);        /*!< The AES context. */
 
     /*
      * Callbacks (Entropy)
      */
-    int (*MBEDTLS_PRIVATE(f_entropy))(void *, unsigned char *, size_t);
-                                /*!< The entropy callback function. */
+    int(*MBEDTLS_PRIVATE(f_entropy))(void *, unsigned char *, size_t);
+    /*!< The entropy callback function. */
 
     void *MBEDTLS_PRIVATE(p_entropy);            /*!< The context for the entropy function. */
 
@@ -225,7 +224,7 @@
  *
  * \param ctx           The CTR_DRBG context to initialize.
  */
-void mbedtls_ctr_drbg_init( mbedtls_ctr_drbg_context *ctx );
+void mbedtls_ctr_drbg_init(mbedtls_ctr_drbg_context *ctx);
 
 /**
  * \brief               This function seeds and sets up the CTR_DRBG
@@ -326,11 +325,11 @@
  * \return              \c 0 on success.
  * \return              #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on failure.
  */
-int mbedtls_ctr_drbg_seed( mbedtls_ctr_drbg_context *ctx,
-                   int (*f_entropy)(void *, unsigned char *, size_t),
-                   void *p_entropy,
-                   const unsigned char *custom,
-                   size_t len );
+int mbedtls_ctr_drbg_seed(mbedtls_ctr_drbg_context *ctx,
+                          int (*f_entropy)(void *, unsigned char *, size_t),
+                          void *p_entropy,
+                          const unsigned char *custom,
+                          size_t len);
 
 /**
  * \brief               This function resets CTR_DRBG context to the state immediately
@@ -338,7 +337,7 @@
  *
  * \param ctx           The CTR_DRBG context to clear.
  */
-void mbedtls_ctr_drbg_free( mbedtls_ctr_drbg_context *ctx );
+void mbedtls_ctr_drbg_free(mbedtls_ctr_drbg_context *ctx);
 
 /**
  * \brief               This function turns prediction resistance on or off.
@@ -353,8 +352,8 @@
  * \param ctx           The CTR_DRBG context.
  * \param resistance    #MBEDTLS_CTR_DRBG_PR_ON or #MBEDTLS_CTR_DRBG_PR_OFF.
  */
-void mbedtls_ctr_drbg_set_prediction_resistance( mbedtls_ctr_drbg_context *ctx,
-                                         int resistance );
+void mbedtls_ctr_drbg_set_prediction_resistance(mbedtls_ctr_drbg_context *ctx,
+                                                int resistance);
 
 /**
  * \brief               This function sets the amount of entropy grabbed on each
@@ -380,8 +379,8 @@
  *                      and at most the maximum length accepted by the
  *                      entropy function that is set in the context.
  */
-void mbedtls_ctr_drbg_set_entropy_len( mbedtls_ctr_drbg_context *ctx,
-                               size_t len );
+void mbedtls_ctr_drbg_set_entropy_len(mbedtls_ctr_drbg_context *ctx,
+                                      size_t len);
 
 /**
  * \brief               This function sets the amount of entropy grabbed
@@ -402,8 +401,8 @@
  * \return              #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
  *                      if the initial seeding has already taken place.
  */
-int mbedtls_ctr_drbg_set_nonce_len( mbedtls_ctr_drbg_context *ctx,
-                                    size_t len );
+int mbedtls_ctr_drbg_set_nonce_len(mbedtls_ctr_drbg_context *ctx,
+                                   size_t len);
 
 /**
  * \brief               This function sets the reseed interval.
@@ -417,8 +416,8 @@
  * \param ctx           The CTR_DRBG context.
  * \param interval      The reseed interval.
  */
-void mbedtls_ctr_drbg_set_reseed_interval( mbedtls_ctr_drbg_context *ctx,
-                                   int interval );
+void mbedtls_ctr_drbg_set_reseed_interval(mbedtls_ctr_drbg_context *ctx,
+                                          int interval);
 
 /**
  * \brief               This function reseeds the CTR_DRBG context, that is
@@ -440,8 +439,8 @@
  * \return              \c 0 on success.
  * \return              #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on failure.
  */
-int mbedtls_ctr_drbg_reseed( mbedtls_ctr_drbg_context *ctx,
-                     const unsigned char *additional, size_t len );
+int mbedtls_ctr_drbg_reseed(mbedtls_ctr_drbg_context *ctx,
+                            const unsigned char *additional, size_t len);
 
 /**
  * \brief              This function updates the state of the CTR_DRBG context.
@@ -463,9 +462,9 @@
  *                     #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT.
  * \return             An error from the underlying AES cipher on failure.
  */
-int mbedtls_ctr_drbg_update( mbedtls_ctr_drbg_context *ctx,
-                             const unsigned char *additional,
-                             size_t add_len );
+int mbedtls_ctr_drbg_update(mbedtls_ctr_drbg_context *ctx,
+                            const unsigned char *additional,
+                            size_t add_len);
 
 /**
  * \brief   This function updates a CTR_DRBG instance with additional
@@ -498,9 +497,9 @@
  * \return    #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
  *            #MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG on failure.
  */
-int mbedtls_ctr_drbg_random_with_add( void *p_rng,
-                              unsigned char *output, size_t output_len,
-                              const unsigned char *additional, size_t add_len );
+int mbedtls_ctr_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 CTR_DRBG to generate random data.
@@ -526,8 +525,8 @@
  * \return              #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
  *                      #MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG on failure.
  */
-int mbedtls_ctr_drbg_random( void *p_rng,
-                     unsigned char *output, size_t output_len );
+int mbedtls_ctr_drbg_random(void *p_rng,
+                            unsigned char *output, size_t output_len);
 
 #if defined(MBEDTLS_FS_IO)
 /**
@@ -541,7 +540,7 @@
  * \return              #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on reseed
  *                      failure.
  */
-int mbedtls_ctr_drbg_write_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );
+int mbedtls_ctr_drbg_write_seed_file(mbedtls_ctr_drbg_context *ctx, const char *path);
 
 /**
  * \brief               This function reads and updates a seed file. The seed
@@ -557,7 +556,7 @@
  * \return              #MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG if the existing
  *                      seed file is too large.
  */
-int mbedtls_ctr_drbg_update_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );
+int mbedtls_ctr_drbg_update_seed_file(mbedtls_ctr_drbg_context *ctx, const char *path);
 #endif /* MBEDTLS_FS_IO */
 
 #if defined(MBEDTLS_SELF_TEST)
@@ -568,7 +567,7 @@
  * \return              \c 0 on success.
  * \return              \c 1 on failure.
  */
-int mbedtls_ctr_drbg_self_test( int verbose );
+int mbedtls_ctr_drbg_self_test(int verbose);
 
 #endif /* MBEDTLS_SELF_TEST */