diff --git a/library/ssl_tls13_keys.h b/library/ssl_tls13_keys.h
index 7089049..4c3b252 100644
--- a/library/ssl_tls13_keys.h
+++ b/library/ssl_tls13_keys.h
@@ -23,46 +23,44 @@
  * the point of use. See e.g. the definition of mbedtls_ssl_tls1_3_labels_union
  * below. */
 #define MBEDTLS_SSL_TLS1_3_LABEL_LIST                               \
-    MBEDTLS_SSL_TLS1_3_LABEL( finished    , "finished"     ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( resumption  , "resumption"   ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( traffic_upd , "traffic upd"  ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( exporter    , "exporter"     ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( key         , "key"          ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( iv          , "iv"           ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( c_hs_traffic, "c hs traffic" ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( c_ap_traffic, "c ap traffic" ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( c_e_traffic , "c e traffic"  ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( s_hs_traffic, "s hs traffic" ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( s_ap_traffic, "s ap traffic" ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( s_e_traffic , "s e traffic"  ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( e_exp_master, "e exp master" ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( res_master  , "res master"   ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( exp_master  , "exp master"   ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( ext_binder  , "ext binder"   ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( res_binder  , "res binder"   ) \
-    MBEDTLS_SSL_TLS1_3_LABEL( derived     , "derived"      )
+    MBEDTLS_SSL_TLS1_3_LABEL(finished, "finished") \
+    MBEDTLS_SSL_TLS1_3_LABEL(resumption, "resumption") \
+    MBEDTLS_SSL_TLS1_3_LABEL(traffic_upd, "traffic upd") \
+    MBEDTLS_SSL_TLS1_3_LABEL(exporter, "exporter") \
+    MBEDTLS_SSL_TLS1_3_LABEL(key, "key") \
+    MBEDTLS_SSL_TLS1_3_LABEL(iv, "iv") \
+    MBEDTLS_SSL_TLS1_3_LABEL(c_hs_traffic, "c hs traffic") \
+    MBEDTLS_SSL_TLS1_3_LABEL(c_ap_traffic, "c ap traffic") \
+    MBEDTLS_SSL_TLS1_3_LABEL(c_e_traffic, "c e traffic") \
+    MBEDTLS_SSL_TLS1_3_LABEL(s_hs_traffic, "s hs traffic") \
+    MBEDTLS_SSL_TLS1_3_LABEL(s_ap_traffic, "s ap traffic") \
+    MBEDTLS_SSL_TLS1_3_LABEL(s_e_traffic, "s e traffic") \
+    MBEDTLS_SSL_TLS1_3_LABEL(e_exp_master, "e exp master") \
+    MBEDTLS_SSL_TLS1_3_LABEL(res_master, "res master") \
+    MBEDTLS_SSL_TLS1_3_LABEL(exp_master, "exp master") \
+    MBEDTLS_SSL_TLS1_3_LABEL(ext_binder, "ext binder") \
+    MBEDTLS_SSL_TLS1_3_LABEL(res_binder, "res binder") \
+    MBEDTLS_SSL_TLS1_3_LABEL(derived, "derived")
 
-#define MBEDTLS_SSL_TLS1_3_LABEL( name, string )       \
-    const unsigned char name    [ sizeof(string) - 1 ];
+#define MBEDTLS_SSL_TLS1_3_LABEL(name, string)       \
+    const unsigned char name    [sizeof(string) - 1];
 
-union mbedtls_ssl_tls1_3_labels_union
-{
+union mbedtls_ssl_tls1_3_labels_union {
     MBEDTLS_SSL_TLS1_3_LABEL_LIST
 };
-struct mbedtls_ssl_tls1_3_labels_struct
-{
+struct mbedtls_ssl_tls1_3_labels_struct {
     MBEDTLS_SSL_TLS1_3_LABEL_LIST
 };
 #undef MBEDTLS_SSL_TLS1_3_LABEL
 
 extern const struct mbedtls_ssl_tls1_3_labels_struct mbedtls_ssl_tls1_3_labels;
 
-#define MBEDTLS_SSL_TLS1_3_LBL_WITH_LEN( LABEL )  \
+#define MBEDTLS_SSL_TLS1_3_LBL_WITH_LEN(LABEL)  \
     mbedtls_ssl_tls1_3_labels.LABEL,              \
     sizeof(mbedtls_ssl_tls1_3_labels.LABEL)
 
 #define MBEDTLS_SSL_TLS1_3_KEY_SCHEDULE_MAX_LABEL_LEN  \
-    sizeof( union mbedtls_ssl_tls1_3_labels_union )
+    sizeof(union mbedtls_ssl_tls1_3_labels_union)
 
 /* The maximum length of HKDF contexts used in the TLS 1.3 standard.
  * Since contexts are always hashes of message transcripts, this can
@@ -107,11 +105,11 @@
  */
 
 int mbedtls_ssl_tls1_3_hkdf_expand_label(
-                     mbedtls_md_type_t hash_alg,
-                     const unsigned char *secret, size_t slen,
-                     const unsigned char *label, size_t llen,
-                     const unsigned char *ctx, size_t clen,
-                     unsigned char *buf, size_t blen );
+    mbedtls_md_type_t hash_alg,
+    const unsigned char *secret, size_t slen,
+    const unsigned char *label, size_t llen,
+    const unsigned char *ctx, size_t clen,
+    unsigned char *buf, size_t blen);
 
 /**
  * \brief           This function is part of the TLS 1.3 key schedule.
@@ -143,11 +141,11 @@
  */
 
 int mbedtls_ssl_tls1_3_make_traffic_keys(
-                     mbedtls_md_type_t hash_alg,
-                     const unsigned char *client_secret,
-                     const unsigned char *server_secret,
-                     size_t slen, size_t key_len, size_t iv_len,
-                     mbedtls_ssl_key_set *keys );
+    mbedtls_md_type_t hash_alg,
+    const unsigned char *client_secret,
+    const unsigned char *server_secret,
+    size_t slen, size_t key_len, size_t iv_len,
+    mbedtls_ssl_key_set *keys);
 
 
 #define MBEDTLS_SSL_TLS1_3_CONTEXT_UNHASHED 0
@@ -191,12 +189,12 @@
  * \returns        A negative error code on failure.
  */
 int mbedtls_ssl_tls1_3_derive_secret(
-                   mbedtls_md_type_t hash_alg,
-                   const unsigned char *secret, size_t slen,
-                   const unsigned char *label, size_t llen,
-                   const unsigned char *ctx, size_t clen,
-                   int ctx_hashed,
-                   unsigned char *dstbuf, size_t buflen );
+    mbedtls_md_type_t hash_alg,
+    const unsigned char *secret, size_t slen,
+    const unsigned char *label, size_t llen,
+    const unsigned char *ctx, size_t clen,
+    int ctx_hashed,
+    unsigned char *dstbuf, size_t buflen);
 
 /**
  * \brief Compute the next secret in the TLS 1.3 key schedule
@@ -266,9 +264,9 @@
  */
 
 int mbedtls_ssl_tls1_3_evolve_secret(
-                   mbedtls_md_type_t hash_alg,
-                   const unsigned char *secret_old,
-                   const unsigned char *input, size_t input_len,
-                   unsigned char *secret_new );
+    mbedtls_md_type_t hash_alg,
+    const unsigned char *secret_old,
+    const unsigned char *input, size_t input_len,
+    unsigned char *secret_new);
 
 #endif /* MBEDTLS_SSL_TLS1_3_KEYS_H */