diff --git a/include/mbedtls/asn1write.h b/include/mbedtls/asn1write.h
index 5da7654..a439268 100644
--- a/include/mbedtls/asn1write.h
+++ b/include/mbedtls/asn1write.h
@@ -33,11 +33,11 @@
 #define MBEDTLS_ASN1_CHK_ADD(g, f)                      \
     do                                                  \
     {                                                   \
-        if( ( ret = (f) ) < 0 )                         \
-            return( ret );                              \
+        if ((ret = (f)) < 0)                         \
+        return ret;                              \
         else                                            \
-            (g) += ret;                                 \
-    } while( 0 )
+        (g) += ret;                                 \
+    } while (0)
 
 #ifdef __cplusplus
 extern "C" {
@@ -55,8 +55,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start,
-                            size_t len );
+int mbedtls_asn1_write_len(unsigned char **p, unsigned char *start,
+                           size_t len);
 /**
  * \brief           Write an ASN.1 tag in ASN.1 format.
  *
@@ -69,8 +69,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_tag( unsigned char **p, unsigned char *start,
-                            unsigned char tag );
+int mbedtls_asn1_write_tag(unsigned char **p, unsigned char *start,
+                           unsigned char tag);
 
 /**
  * \brief           Write raw buffer data.
@@ -85,8 +85,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_raw_buffer( unsigned char **p, unsigned char *start,
-                                   const unsigned char *buf, size_t size );
+int mbedtls_asn1_write_raw_buffer(unsigned char **p, unsigned char *start,
+                                  const unsigned char *buf, size_t size);
 
 #if defined(MBEDTLS_BIGNUM_C)
 /**
@@ -103,8 +103,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_mpi( unsigned char **p, unsigned char *start,
-                            const mbedtls_mpi *X );
+int mbedtls_asn1_write_mpi(unsigned char **p, unsigned char *start,
+                           const mbedtls_mpi *X);
 #endif /* MBEDTLS_BIGNUM_C */
 
 /**
@@ -119,7 +119,7 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_null( unsigned char **p, unsigned char *start );
+int mbedtls_asn1_write_null(unsigned char **p, unsigned char *start);
 
 /**
  * \brief           Write an OID tag (#MBEDTLS_ASN1_OID) and data
@@ -135,8 +135,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_oid( unsigned char **p, unsigned char *start,
-                            const char *oid, size_t oid_len );
+int mbedtls_asn1_write_oid(unsigned char **p, unsigned char *start,
+                           const char *oid, size_t oid_len);
 
 /**
  * \brief           Write an AlgorithmIdentifier sequence in ASN.1 format.
@@ -153,10 +153,10 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_algorithm_identifier( unsigned char **p,
-                                             unsigned char *start,
-                                             const char *oid, size_t oid_len,
-                                             size_t par_len );
+int mbedtls_asn1_write_algorithm_identifier(unsigned char **p,
+                                            unsigned char *start,
+                                            const char *oid, size_t oid_len,
+                                            size_t par_len);
 
 /**
  * \brief           Write a boolean tag (#MBEDTLS_ASN1_BOOLEAN) and value
@@ -171,8 +171,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_bool( unsigned char **p, unsigned char *start,
-                             int boolean );
+int mbedtls_asn1_write_bool(unsigned char **p, unsigned char *start,
+                            int boolean);
 
 /**
  * \brief           Write an int tag (#MBEDTLS_ASN1_INTEGER) and value
@@ -188,7 +188,7 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_int( unsigned char **p, unsigned char *start, int val );
+int mbedtls_asn1_write_int(unsigned char **p, unsigned char *start, int val);
 
 /**
  * \brief           Write an enum tag (#MBEDTLS_ASN1_ENUMERATED) and value
@@ -203,7 +203,7 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure.
  */
-int mbedtls_asn1_write_enum( unsigned char **p, unsigned char *start, int val );
+int mbedtls_asn1_write_enum(unsigned char **p, unsigned char *start, int val);
 
 /**
  * \brief           Write a string in ASN.1 format using a specific
@@ -222,9 +222,9 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_asn1_write_tagged_string( unsigned char **p, unsigned char *start,
-                                      int tag, const char *text,
-                                      size_t text_len );
+int mbedtls_asn1_write_tagged_string(unsigned char **p, unsigned char *start,
+                                     int tag, const char *text,
+                                     size_t text_len);
 
 /**
  * \brief           Write a string in ASN.1 format using the PrintableString
@@ -241,9 +241,9 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_asn1_write_printable_string( unsigned char **p,
-                                         unsigned char *start,
-                                         const char *text, size_t text_len );
+int mbedtls_asn1_write_printable_string(unsigned char **p,
+                                        unsigned char *start,
+                                        const char *text, size_t text_len);
 
 /**
  * \brief           Write a UTF8 string in ASN.1 format using the UTF8String
@@ -260,8 +260,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_asn1_write_utf8_string( unsigned char **p, unsigned char *start,
-                                    const char *text, size_t text_len );
+int mbedtls_asn1_write_utf8_string(unsigned char **p, unsigned char *start,
+                                   const char *text, size_t text_len);
 
 /**
  * \brief           Write a string in ASN.1 format using the IA5String
@@ -278,8 +278,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_asn1_write_ia5_string( unsigned char **p, unsigned char *start,
-                                   const char *text, size_t text_len );
+int mbedtls_asn1_write_ia5_string(unsigned char **p, unsigned char *start,
+                                  const char *text, size_t text_len);
 
 /**
  * \brief           Write a bitstring tag (#MBEDTLS_ASN1_BIT_STRING) and
@@ -295,8 +295,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_asn1_write_bitstring( unsigned char **p, unsigned char *start,
-                                  const unsigned char *buf, size_t bits );
+int mbedtls_asn1_write_bitstring(unsigned char **p, unsigned char *start,
+                                 const unsigned char *buf, size_t bits);
 
 /**
  * \brief           This function writes a named bitstring tag
@@ -315,10 +315,10 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_asn1_write_named_bitstring( unsigned char **p,
-                                        unsigned char *start,
-                                        const unsigned char *buf,
-                                        size_t bits );
+int mbedtls_asn1_write_named_bitstring(unsigned char **p,
+                                       unsigned char *start,
+                                       const unsigned char *buf,
+                                       size_t bits);
 
 /**
  * \brief           Write an octet string tag (#MBEDTLS_ASN1_OCTET_STRING)
@@ -334,8 +334,8 @@
  * \return          The number of bytes written to \p p on success.
  * \return          A negative error code on failure.
  */
-int mbedtls_asn1_write_octet_string( unsigned char **p, unsigned char *start,
-                                     const unsigned char *buf, size_t size );
+int mbedtls_asn1_write_octet_string(unsigned char **p, unsigned char *start,
+                                    const unsigned char *buf, size_t size);
 
 /**
  * \brief           Create or find a specific named_data entry for writing in a
@@ -358,10 +358,10 @@
  * \return          A pointer to the new / existing entry on success.
  * \return          \c NULL if if there was a memory allocation error.
  */
-mbedtls_asn1_named_data *mbedtls_asn1_store_named_data( mbedtls_asn1_named_data **list,
-                                        const char *oid, size_t oid_len,
-                                        const unsigned char *val,
-                                        size_t val_len );
+mbedtls_asn1_named_data *mbedtls_asn1_store_named_data(mbedtls_asn1_named_data **list,
+                                                       const char *oid, size_t oid_len,
+                                                       const unsigned char *val,
+                                                       size_t val_len);
 
 #ifdef __cplusplus
 }