diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index b40ddb7..b693d53 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -48,39 +48,40 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_conf_has_static_psk( mbedtls_ssl_config const *conf )
+static int ssl_conf_has_static_psk(mbedtls_ssl_config const *conf)
 {
-    if( conf->psk_identity     == NULL ||
-        conf->psk_identity_len == 0     )
-    {
-        return( 0 );
+    if (conf->psk_identity     == NULL ||
+        conf->psk_identity_len == 0) {
+        return 0;
     }
 
-    if( conf->psk != NULL && conf->psk_len != 0 )
-        return( 1 );
+    if (conf->psk != NULL && conf->psk_len != 0) {
+        return 1;
+    }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( ! mbedtls_svc_key_id_is_null( conf->psk_opaque ) )
-        return( 1 );
+    if (!mbedtls_svc_key_id_is_null(conf->psk_opaque)) {
+        return 1;
+    }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    return( 0 );
+    return 0;
 }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_conf_has_static_raw_psk( mbedtls_ssl_config const *conf )
+static int ssl_conf_has_static_raw_psk(mbedtls_ssl_config const *conf)
 {
-    if( conf->psk_identity     == NULL ||
-        conf->psk_identity_len == 0     )
-    {
-        return( 0 );
+    if (conf->psk_identity     == NULL ||
+        conf->psk_identity_len == 0) {
+        return 0;
     }
 
-    if( conf->psk != NULL && conf->psk_len != 0 )
-        return( 1 );
+    if (conf->psk != NULL && conf->psk_len != 0) {
+        return 1;
+    }
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
@@ -88,26 +89,27 @@
 
 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_hostname_ext( mbedtls_ssl_context *ssl,
-                                   unsigned char *buf,
-                                   const unsigned char *end,
-                                   size_t *olen )
+static int ssl_write_hostname_ext(mbedtls_ssl_context *ssl,
+                                  unsigned char *buf,
+                                  const unsigned char *end,
+                                  size_t *olen)
 {
     unsigned char *p = buf;
     size_t hostname_len;
 
     *olen = 0;
 
-    if( ssl->hostname == NULL )
-        return( 0 );
+    if (ssl->hostname == NULL) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding server name extension: %s",
-          ssl->hostname ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding server name extension: %s",
+                           ssl->hostname));
 
-    hostname_len = strlen( ssl->hostname );
+    hostname_len = strlen(ssl->hostname);
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, hostname_len + 9 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, hostname_len + 9);
 
     /*
      * Sect. 3, RFC 6066 (TLS Extensions Definitions)
@@ -135,34 +137,34 @@
      * } ServerNameList;
      *
      */
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_SERVERNAME, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_SERVERNAME, p, 0);
     p += 2;
 
-    MBEDTLS_PUT_UINT16_BE( hostname_len + 5, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(hostname_len + 5, p, 0);
     p += 2;
 
-    MBEDTLS_PUT_UINT16_BE( hostname_len + 3, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(hostname_len + 3, p, 0);
     p += 2;
 
-    *p++ = MBEDTLS_BYTE_0( MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME );
+    *p++ = MBEDTLS_BYTE_0(MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME);
 
-    MBEDTLS_PUT_UINT16_BE( hostname_len, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(hostname_len, p, 0);
     p += 2;
 
-    memcpy( p, ssl->hostname, hostname_len );
+    memcpy(p, ssl->hostname, hostname_len);
 
     *olen = hostname_len + 9;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
 
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_renegotiation_ext( mbedtls_ssl_context *ssl,
-                                        unsigned char *buf,
-                                        const unsigned char *end,
-                                        size_t *olen )
+static int ssl_write_renegotiation_ext(mbedtls_ssl_context *ssl,
+                                       unsigned char *buf,
+                                       const unsigned char *end,
+                                       size_t *olen)
 {
     unsigned char *p = buf;
 
@@ -171,29 +173,30 @@
     /* We're always including a TLS_EMPTY_RENEGOTIATION_INFO_SCSV in the
      * initial ClientHello, in which case also adding the renegotiation
      * info extension is NOT RECOMMENDED as per RFC 5746 Section 3.4. */
-    if( ssl->renego_status != MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS )
-        return( 0 );
+    if (ssl->renego_status != MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding renegotiation extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding renegotiation extension"));
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 5 + ssl->verify_data_len );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 5 + ssl->verify_data_len);
 
     /*
      * Secure renegotiation
      */
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_RENEGOTIATION_INFO, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_RENEGOTIATION_INFO, p, 0);
     p += 2;
 
     *p++ = 0x00;
-    *p++ = MBEDTLS_BYTE_0( ssl->verify_data_len + 1 );
-    *p++ = MBEDTLS_BYTE_0( ssl->verify_data_len );
+    *p++ = MBEDTLS_BYTE_0(ssl->verify_data_len + 1);
+    *p++ = MBEDTLS_BYTE_0(ssl->verify_data_len);
 
-    memcpy( p, ssl->own_verify_data, ssl->verify_data_len );
+    memcpy(p, ssl->own_verify_data, ssl->verify_data_len);
 
     *olen = 5 + ssl->verify_data_len;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_RENEGOTIATION */
 
@@ -203,10 +206,10 @@
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && \
     defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_signature_algorithms_ext( mbedtls_ssl_context *ssl,
-                                               unsigned char *buf,
-                                               const unsigned char *end,
-                                               size_t *olen )
+static int ssl_write_signature_algorithms_ext(mbedtls_ssl_context *ssl,
+                                              unsigned char *buf,
+                                              const unsigned char *end,
+                                              size_t *olen)
 {
     unsigned char *p = buf;
     size_t sig_alg_len = 0;
@@ -218,50 +221,50 @@
 
     *olen = 0;
 
-    if( ssl->conf->max_minor_ver != MBEDTLS_SSL_MINOR_VERSION_3 )
-        return( 0 );
+    if (ssl->conf->max_minor_ver != MBEDTLS_SSL_MINOR_VERSION_3) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding signature_algorithms extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding signature_algorithms extension"));
 
-    if( ssl->conf->sig_hashes == NULL )
-        return( MBEDTLS_ERR_SSL_BAD_CONFIG );
+    if (ssl->conf->sig_hashes == NULL) {
+        return MBEDTLS_ERR_SSL_BAD_CONFIG;
+    }
 
-    for( md = ssl->conf->sig_hashes; *md != MBEDTLS_MD_NONE; md++ )
-    {
+    for (md = ssl->conf->sig_hashes; *md != MBEDTLS_MD_NONE; md++) {
 #if defined(MBEDTLS_ECDSA_C)
         sig_alg_len += 2;
 #endif
 #if defined(MBEDTLS_RSA_C)
         sig_alg_len += 2;
 #endif
-        if( sig_alg_len > MBEDTLS_SSL_MAX_SIG_HASH_ALG_LIST_LEN )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 3,
-                ( "length in bytes of sig-hash-alg extension too big" ) );
-            return( MBEDTLS_ERR_SSL_BAD_CONFIG );
+        if (sig_alg_len > MBEDTLS_SSL_MAX_SIG_HASH_ALG_LIST_LEN) {
+            MBEDTLS_SSL_DEBUG_MSG(3,
+                                  ("length in bytes of sig-hash-alg extension too big"));
+            return MBEDTLS_ERR_SSL_BAD_CONFIG;
         }
     }
 
     /* Empty signature algorithms list, this is a configuration error. */
-    if( sig_alg_len == 0 )
-        return( MBEDTLS_ERR_SSL_BAD_CONFIG );
+    if (sig_alg_len == 0) {
+        return MBEDTLS_ERR_SSL_BAD_CONFIG;
+    }
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, sig_alg_len + 6 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, sig_alg_len + 6);
 
     /*
      * Prepare signature_algorithms extension (TLS 1.2)
      */
     sig_alg_len = 0;
 
-    for( md = ssl->conf->sig_hashes; *md != MBEDTLS_MD_NONE; md++ )
-    {
+    for (md = ssl->conf->sig_hashes; *md != MBEDTLS_MD_NONE; md++) {
 #if defined(MBEDTLS_ECDSA_C)
-        sig_alg_list[sig_alg_len++] = mbedtls_ssl_hash_from_md_alg( *md );
+        sig_alg_list[sig_alg_len++] = mbedtls_ssl_hash_from_md_alg(*md);
         sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_ECDSA;
 #endif
 #if defined(MBEDTLS_RSA_C)
-        sig_alg_list[sig_alg_len++] = mbedtls_ssl_hash_from_md_alg( *md );
+        sig_alg_list[sig_alg_len++] = mbedtls_ssl_hash_from_md_alg(*md);
         sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_RSA;
 #endif
     }
@@ -283,18 +286,18 @@
      * SignatureAndHashAlgorithm
      *   supported_signature_algorithms<2..2^16-2>;
      */
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_SIG_ALG, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_SIG_ALG, p, 0);
     p += 2;
 
-    MBEDTLS_PUT_UINT16_BE( sig_alg_len + 2, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(sig_alg_len + 2, p, 0);
     p += 2;
 
-    MBEDTLS_PUT_UINT16_BE( sig_alg_len, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(sig_alg_len, p, 0);
     p += 2;
 
     *olen = 6 + sig_alg_len;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 &&
           MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
@@ -302,10 +305,10 @@
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
     defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl,
-                                                    unsigned char *buf,
-                                                    const unsigned char *end,
-                                                    size_t *olen )
+static int ssl_write_supported_elliptic_curves_ext(mbedtls_ssl_context *ssl,
+                                                   unsigned char *buf,
+                                                   const unsigned char *end,
+                                                   size_t *olen)
 {
     unsigned char *p = buf;
     unsigned char *elliptic_curve_list = p + 6;
@@ -315,80 +318,78 @@
 
     *olen = 0;
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding supported_elliptic_curves extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding supported_elliptic_curves extension"));
 
-    if( ssl->conf->curve_list == NULL )
-        return( MBEDTLS_ERR_SSL_BAD_CONFIG );
+    if (ssl->conf->curve_list == NULL) {
+        return MBEDTLS_ERR_SSL_BAD_CONFIG;
+    }
 
-    for( grp_id = ssl->conf->curve_list;
+    for (grp_id = ssl->conf->curve_list;
          *grp_id != MBEDTLS_ECP_DP_NONE;
-         grp_id++ )
-    {
-        info = mbedtls_ecp_curve_info_from_grp_id( *grp_id );
-        if( info == NULL )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "invalid curve in ssl configuration" ) );
-            return( MBEDTLS_ERR_SSL_BAD_CONFIG );
+         grp_id++) {
+        info = mbedtls_ecp_curve_info_from_grp_id(*grp_id);
+        if (info == NULL) {
+            MBEDTLS_SSL_DEBUG_MSG(1,
+                                  ("invalid curve in ssl configuration"));
+            return MBEDTLS_ERR_SSL_BAD_CONFIG;
         }
         elliptic_curve_len += 2;
 
-        if( elliptic_curve_len > MBEDTLS_SSL_MAX_CURVE_LIST_LEN )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 3,
-                ( "malformed supported_elliptic_curves extension in config" ) );
-            return( MBEDTLS_ERR_SSL_BAD_CONFIG );
+        if (elliptic_curve_len > MBEDTLS_SSL_MAX_CURVE_LIST_LEN) {
+            MBEDTLS_SSL_DEBUG_MSG(3,
+                                  ("malformed supported_elliptic_curves extension in config"));
+            return MBEDTLS_ERR_SSL_BAD_CONFIG;
         }
     }
 
     /* Empty elliptic curve list, this is a configuration error. */
-    if( elliptic_curve_len == 0 )
-        return( MBEDTLS_ERR_SSL_BAD_CONFIG );
+    if (elliptic_curve_len == 0) {
+        return MBEDTLS_ERR_SSL_BAD_CONFIG;
+    }
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 6 + elliptic_curve_len );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 6 + elliptic_curve_len);
 
     elliptic_curve_len = 0;
 
-    for( grp_id = ssl->conf->curve_list;
+    for (grp_id = ssl->conf->curve_list;
          *grp_id != MBEDTLS_ECP_DP_NONE;
-         grp_id++ )
-    {
-        info = mbedtls_ecp_curve_info_from_grp_id( *grp_id );
-        elliptic_curve_list[elliptic_curve_len++] = MBEDTLS_BYTE_1( info->tls_id );
-        elliptic_curve_list[elliptic_curve_len++] = MBEDTLS_BYTE_0( info->tls_id );
+         grp_id++) {
+        info = mbedtls_ecp_curve_info_from_grp_id(*grp_id);
+        elliptic_curve_list[elliptic_curve_len++] = MBEDTLS_BYTE_1(info->tls_id);
+        elliptic_curve_list[elliptic_curve_len++] = MBEDTLS_BYTE_0(info->tls_id);
     }
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES, p, 0);
     p += 2;
 
-    MBEDTLS_PUT_UINT16_BE( elliptic_curve_len + 2, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(elliptic_curve_len + 2, p, 0);
     p += 2;
 
-    MBEDTLS_PUT_UINT16_BE( elliptic_curve_len, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(elliptic_curve_len, p, 0);
     p += 2;
 
     *olen = 6 + elliptic_curve_len;
 
-    return( 0 );
+    return 0;
 }
 
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl,
-                                                  unsigned char *buf,
-                                                  const unsigned char *end,
-                                                  size_t *olen )
+static int ssl_write_supported_point_formats_ext(mbedtls_ssl_context *ssl,
+                                                 unsigned char *buf,
+                                                 const unsigned char *end,
+                                                 size_t *olen)
 {
     unsigned char *p = buf;
     (void) ssl; /* ssl used for debugging only */
 
     *olen = 0;
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding supported_point_formats extension" ) );
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 6 );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding supported_point_formats extension"));
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 6);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS, p, 0);
     p += 2;
 
     *p++ = 0x00;
@@ -399,17 +400,17 @@
 
     *olen = 6;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
           MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_ecjpake_kkpp_ext( mbedtls_ssl_context *ssl,
-                                       unsigned char *buf,
-                                       const unsigned char *end,
-                                       size_t *olen )
+static int ssl_write_ecjpake_kkpp_ext(mbedtls_ssl_context *ssl,
+                                      unsigned char *buf,
+                                      const unsigned char *end,
+                                      size_t *olen)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char *p = buf;
@@ -418,15 +419,16 @@
     *olen = 0;
 
     /* Skip costly extension if we can't use EC J-PAKE anyway */
-    if( mbedtls_ecjpake_check( &ssl->handshake->ecjpake_ctx ) != 0 )
-        return( 0 );
+    if (mbedtls_ecjpake_check(&ssl->handshake->ecjpake_ctx) != 0) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding ecjpake_kkpp extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding ecjpake_kkpp extension"));
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 4 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 4);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_ECJPAKE_KKPP, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_ECJPAKE_KKPP, p, 0);
     p += 2;
 
     /*
@@ -434,56 +436,51 @@
      * We don't want to compute fresh values every time (both for performance
      * and consistency reasons), so cache the extension content.
      */
-    if( ssl->handshake->ecjpake_cache == NULL ||
-        ssl->handshake->ecjpake_cache_len == 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "generating new ecjpake parameters" ) );
+    if (ssl->handshake->ecjpake_cache == NULL ||
+        ssl->handshake->ecjpake_cache_len == 0) {
+        MBEDTLS_SSL_DEBUG_MSG(3, ("generating new ecjpake parameters"));
 
-        ret = mbedtls_ecjpake_write_round_one( &ssl->handshake->ecjpake_ctx,
-                                               p + 2, end - p - 2, &kkpp_len,
-                                               ssl->conf->f_rng, ssl->conf->p_rng );
-        if( ret != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1 ,
-                "mbedtls_ecjpake_write_round_one", ret );
-            return( ret );
+        ret = mbedtls_ecjpake_write_round_one(&ssl->handshake->ecjpake_ctx,
+                                              p + 2, end - p - 2, &kkpp_len,
+                                              ssl->conf->f_rng, ssl->conf->p_rng);
+        if (ret != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1,
+                                  "mbedtls_ecjpake_write_round_one", ret);
+            return ret;
         }
 
-        ssl->handshake->ecjpake_cache = mbedtls_calloc( 1, kkpp_len );
-        if( ssl->handshake->ecjpake_cache == NULL )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "allocation failed" ) );
-            return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
+        ssl->handshake->ecjpake_cache = mbedtls_calloc(1, kkpp_len);
+        if (ssl->handshake->ecjpake_cache == NULL) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("allocation failed"));
+            return MBEDTLS_ERR_SSL_ALLOC_FAILED;
         }
 
-        memcpy( ssl->handshake->ecjpake_cache, p + 2, kkpp_len );
+        memcpy(ssl->handshake->ecjpake_cache, p + 2, kkpp_len);
         ssl->handshake->ecjpake_cache_len = kkpp_len;
-    }
-    else
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "re-using cached ecjpake parameters" ) );
+    } else {
+        MBEDTLS_SSL_DEBUG_MSG(3, ("re-using cached ecjpake parameters"));
 
         kkpp_len = ssl->handshake->ecjpake_cache_len;
-        MBEDTLS_SSL_CHK_BUF_PTR( p + 2, end, kkpp_len );
+        MBEDTLS_SSL_CHK_BUF_PTR(p + 2, end, kkpp_len);
 
-        memcpy( p + 2, ssl->handshake->ecjpake_cache, kkpp_len );
+        memcpy(p + 2, ssl->handshake->ecjpake_cache, kkpp_len);
     }
 
-    MBEDTLS_PUT_UINT16_BE( kkpp_len, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(kkpp_len, p, 0);
     p += 2;
 
     *olen = kkpp_len + 4;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_cid_ext( mbedtls_ssl_context *ssl,
-                              unsigned char *buf,
-                              const unsigned char *end,
-                              size_t *olen )
+static int ssl_write_cid_ext(mbedtls_ssl_context *ssl,
+                             unsigned char *buf,
+                             const unsigned char *end,
+                             size_t *olen)
 {
     unsigned char *p = buf;
     size_t ext_len;
@@ -495,56 +492,56 @@
      *   struct {
      *      opaque cid<0..2^8-1>;
      *   } ConnectionId;
-    */
+     */
 
     *olen = 0;
-    if( ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM ||
-        ssl->negotiate_cid == MBEDTLS_SSL_CID_DISABLED )
-    {
-        return( 0 );
+    if (ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM ||
+        ssl->negotiate_cid == MBEDTLS_SSL_CID_DISABLED) {
+        return 0;
     }
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding CID extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, adding CID extension"));
 
     /* ssl->own_cid_len is at most MBEDTLS_SSL_CID_IN_LEN_MAX
      * which is at most 255, so the increment cannot overflow. */
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, (unsigned)( ssl->own_cid_len + 5 ) );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, (unsigned) (ssl->own_cid_len + 5));
 
     /* Add extension ID + size */
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_CID, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_CID, p, 0);
     p += 2;
     ext_len = (size_t) ssl->own_cid_len + 1;
-    MBEDTLS_PUT_UINT16_BE( ext_len, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(ext_len, p, 0);
     p += 2;
 
     *p++ = (uint8_t) ssl->own_cid_len;
-    memcpy( p, ssl->own_cid, ssl->own_cid_len );
+    memcpy(p, ssl->own_cid, ssl->own_cid_len);
 
     *olen = ssl->own_cid_len + 5;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_max_fragment_length_ext( mbedtls_ssl_context *ssl,
-                                              unsigned char *buf,
-                                              const unsigned char *end,
-                                              size_t *olen )
+static int ssl_write_max_fragment_length_ext(mbedtls_ssl_context *ssl,
+                                             unsigned char *buf,
+                                             const unsigned char *end,
+                                             size_t *olen)
 {
     unsigned char *p = buf;
 
     *olen = 0;
 
-    if( ssl->conf->mfl_code == MBEDTLS_SSL_MAX_FRAG_LEN_NONE )
-        return( 0 );
+    if (ssl->conf->mfl_code == MBEDTLS_SSL_MAX_FRAG_LEN_NONE) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding max_fragment_length extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding max_fragment_length extension"));
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 5 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 5);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH, p, 0);
     p += 2;
 
     *p++ = 0x00;
@@ -554,30 +551,31 @@
 
     *olen = 5;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_truncated_hmac_ext( mbedtls_ssl_context *ssl,
-                                         unsigned char *buf,
-                                         const unsigned char *end,
-                                         size_t *olen )
+static int ssl_write_truncated_hmac_ext(mbedtls_ssl_context *ssl,
+                                        unsigned char *buf,
+                                        const unsigned char *end,
+                                        size_t *olen)
 {
     unsigned char *p = buf;
 
     *olen = 0;
 
-    if( ssl->conf->trunc_hmac == MBEDTLS_SSL_TRUNC_HMAC_DISABLED )
-        return( 0 );
+    if (ssl->conf->trunc_hmac == MBEDTLS_SSL_TRUNC_HMAC_DISABLED) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding truncated_hmac extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding truncated_hmac extension"));
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 4 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 4);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_TRUNCATED_HMAC, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_TRUNCATED_HMAC, p, 0);
     p += 2;
 
     *p++ = 0x00;
@@ -585,31 +583,32 @@
 
     *olen = 4;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
 
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_encrypt_then_mac_ext( mbedtls_ssl_context *ssl,
-                                           unsigned char *buf,
-                                           const unsigned char *end,
-                                           size_t *olen )
+static int ssl_write_encrypt_then_mac_ext(mbedtls_ssl_context *ssl,
+                                          unsigned char *buf,
+                                          const unsigned char *end,
+                                          size_t *olen)
 {
     unsigned char *p = buf;
 
     *olen = 0;
 
-    if( ssl->conf->encrypt_then_mac == MBEDTLS_SSL_ETM_DISABLED ||
-        ssl->conf->max_minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 )
-        return( 0 );
+    if (ssl->conf->encrypt_then_mac == MBEDTLS_SSL_ETM_DISABLED ||
+        ssl->conf->max_minor_ver == MBEDTLS_SSL_MINOR_VERSION_0) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding encrypt_then_mac extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding encrypt_then_mac extension"));
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 4 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 4);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC, p, 0);
     p += 2;
 
     *p++ = 0x00;
@@ -617,31 +616,32 @@
 
     *olen = 4;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
 
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_extended_ms_ext( mbedtls_ssl_context *ssl,
-                                      unsigned char *buf,
-                                      const unsigned char *end,
-                                      size_t *olen )
+static int ssl_write_extended_ms_ext(mbedtls_ssl_context *ssl,
+                                     unsigned char *buf,
+                                     const unsigned char *end,
+                                     size_t *olen)
 {
     unsigned char *p = buf;
 
     *olen = 0;
 
-    if( ssl->conf->extended_ms == MBEDTLS_SSL_EXTENDED_MS_DISABLED ||
-        ssl->conf->max_minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 )
-        return( 0 );
+    if (ssl->conf->extended_ms == MBEDTLS_SSL_EXTENDED_MS_DISABLED ||
+        ssl->conf->max_minor_ver == MBEDTLS_SSL_MINOR_VERSION_0) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding extended_master_secret extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding extended_master_secret extension"));
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 4 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 4);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET, p, 0);
     p += 2;
 
     *p++ = 0x00;
@@ -649,59 +649,61 @@
 
     *olen = 4;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_session_ticket_ext( mbedtls_ssl_context *ssl,
-                                         unsigned char *buf,
-                                         const unsigned char *end,
-                                         size_t *olen )
+static int ssl_write_session_ticket_ext(mbedtls_ssl_context *ssl,
+                                        unsigned char *buf,
+                                        const unsigned char *end,
+                                        size_t *olen)
 {
     unsigned char *p = buf;
     size_t tlen = ssl->session_negotiate->ticket_len;
 
     *olen = 0;
 
-    if( ssl->conf->session_tickets == MBEDTLS_SSL_SESSION_TICKETS_DISABLED )
-        return( 0 );
+    if (ssl->conf->session_tickets == MBEDTLS_SSL_SESSION_TICKETS_DISABLED) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, adding session ticket extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, adding session ticket extension"));
 
     /* The addition is safe here since the ticket length is 16 bit. */
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 4 + tlen );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 4 + tlen);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_SESSION_TICKET, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_SESSION_TICKET, p, 0);
     p += 2;
 
-    MBEDTLS_PUT_UINT16_BE( tlen, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(tlen, p, 0);
     p += 2;
 
     *olen = 4;
 
-    if( ssl->session_negotiate->ticket == NULL || tlen == 0 )
-        return( 0 );
+    if (ssl->session_negotiate->ticket == NULL || tlen == 0) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "sending session ticket of length %" MBEDTLS_PRINTF_SIZET, tlen ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("sending session ticket of length %" MBEDTLS_PRINTF_SIZET, tlen));
 
-    memcpy( p, ssl->session_negotiate->ticket, tlen );
+    memcpy(p, ssl->session_negotiate->ticket, tlen);
 
     *olen += tlen;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
 #if defined(MBEDTLS_SSL_ALPN)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_alpn_ext( mbedtls_ssl_context *ssl,
-                               unsigned char *buf,
-                               const unsigned char *end,
-                               size_t *olen )
+static int ssl_write_alpn_ext(mbedtls_ssl_context *ssl,
+                              unsigned char *buf,
+                              const unsigned char *end,
+                              size_t *olen)
 {
     unsigned char *p = buf;
     size_t alpnlen = 0;
@@ -709,17 +711,19 @@
 
     *olen = 0;
 
-    if( ssl->conf->alpn_list == NULL )
-        return( 0 );
+    if (ssl->conf->alpn_list == NULL) {
+        return 0;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding alpn extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, adding alpn extension"));
 
-    for( cur = ssl->conf->alpn_list; *cur != NULL; cur++ )
-        alpnlen += strlen( *cur ) + 1;
+    for (cur = ssl->conf->alpn_list; *cur != NULL; cur++) {
+        alpnlen += strlen(*cur) + 1;
+    }
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 6 + alpnlen );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 6 + alpnlen);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_ALPN, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_ALPN, p, 0);
     p += 2;
 
     /*
@@ -733,35 +737,34 @@
     /* Skip writing extension and list length for now */
     p += 4;
 
-    for( cur = ssl->conf->alpn_list; *cur != NULL; cur++ )
-    {
+    for (cur = ssl->conf->alpn_list; *cur != NULL; cur++) {
         /*
          * mbedtls_ssl_conf_set_alpn_protocols() checked that the length of
          * protocol names is less than 255.
          */
-        *p = (unsigned char)strlen( *cur );
-        memcpy( p + 1, *cur, *p );
+        *p = (unsigned char) strlen(*cur);
+        memcpy(p + 1, *cur, *p);
         p += 1 + *p;
     }
 
     *olen = p - buf;
 
     /* List length = olen - 2 (ext_type) - 2 (ext_len) - 2 (list_len) */
-    MBEDTLS_PUT_UINT16_BE( *olen - 6, buf, 4 );
+    MBEDTLS_PUT_UINT16_BE(*olen - 6, buf, 4);
 
     /* Extension length = olen - 2 (ext_type) - 2 (ext_len) */
-    MBEDTLS_PUT_UINT16_BE( *olen - 4, buf, 2 );
+    MBEDTLS_PUT_UINT16_BE(*olen - 4, buf, 2);
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_ALPN */
 
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl,
-                                   unsigned char *buf,
-                                   const unsigned char *end,
-                                   size_t *olen )
+static int ssl_write_use_srtp_ext(mbedtls_ssl_context *ssl,
+                                  unsigned char *buf,
+                                  const unsigned char *end,
+                                  size_t *olen)
 {
     unsigned char *p = buf;
     size_t protection_profiles_index = 0, ext_len = 0;
@@ -769,11 +772,10 @@
 
     *olen = 0;
 
-    if( ( ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM ) ||
-        ( ssl->conf->dtls_srtp_profile_list == NULL ) ||
-        ( ssl->conf->dtls_srtp_profile_list_len == 0 ) )
-    {
-        return( 0 );
+    if ((ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM) ||
+        (ssl->conf->dtls_srtp_profile_list == NULL) ||
+        (ssl->conf->dtls_srtp_profile_list_len == 0)) {
+        return 0;
     }
 
     /* RFC 5764 section 4.1.1
@@ -785,28 +787,27 @@
      * } UseSRTPData;
      * SRTPProtectionProfile SRTPProtectionProfiles<2..2^16-1>;
      */
-    if( ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED )
-    {
+    if (ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED) {
         mki_len = ssl->dtls_srtp_info.mki_len;
     }
     /* Extension length = 2 bytes for profiles length,
      *                    ssl->conf->dtls_srtp_profile_list_len * 2 (each profile is 2 bytes length ),
      *                    1 byte for srtp_mki vector length and the mki_len value
      */
-    ext_len = 2 + 2 * ( ssl->conf->dtls_srtp_profile_list_len ) + 1 + mki_len;
+    ext_len = 2 + 2 * (ssl->conf->dtls_srtp_profile_list_len) + 1 + mki_len;
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding use_srtp extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, adding use_srtp extension"));
 
     /* Check there is room in the buffer for the extension + 4 bytes
      * - the extension tag (2 bytes)
      * - the extension length (2 bytes)
      */
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, ext_len + 4 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, ext_len + 4);
 
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_USE_SRTP, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(MBEDTLS_TLS_EXT_USE_SRTP, p, 0);
     p += 2;
 
-    MBEDTLS_PUT_UINT16_BE( ext_len, p, 0 );
+    MBEDTLS_PUT_UINT16_BE(ext_len, p, 0);
     p += 2;
 
     /* protection profile length: 2*(ssl->conf->dtls_srtp_profile_list_len) */
@@ -818,47 +819,42 @@
      *                        >> 8 ) & 0xFF );
      */
     *p++ = 0;
-    *p++ = MBEDTLS_BYTE_0( 2 * ssl->conf->dtls_srtp_profile_list_len );
+    *p++ = MBEDTLS_BYTE_0(2 * ssl->conf->dtls_srtp_profile_list_len);
 
-    for( protection_profiles_index=0;
+    for (protection_profiles_index = 0;
          protection_profiles_index < ssl->conf->dtls_srtp_profile_list_len;
-         protection_profiles_index++ )
-    {
+         protection_profiles_index++) {
         profile_value = mbedtls_ssl_check_srtp_profile_value
-                ( ssl->conf->dtls_srtp_profile_list[protection_profiles_index] );
-        if( profile_value != MBEDTLS_TLS_SRTP_UNSET )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "ssl_write_use_srtp_ext, add profile: %04x",
-                                        profile_value ) );
-            MBEDTLS_PUT_UINT16_BE( profile_value, p, 0 );
+                            (ssl->conf->dtls_srtp_profile_list[protection_profiles_index]);
+        if (profile_value != MBEDTLS_TLS_SRTP_UNSET) {
+            MBEDTLS_SSL_DEBUG_MSG(3, ("ssl_write_use_srtp_ext, add profile: %04x",
+                                      profile_value));
+            MBEDTLS_PUT_UINT16_BE(profile_value, p, 0);
             p += 2;
-        }
-        else
-        {
+        } else {
             /*
              * Note: we shall never arrive here as protection profiles
              * is checked by mbedtls_ssl_conf_dtls_srtp_protection_profiles function
              */
-            MBEDTLS_SSL_DEBUG_MSG( 3,
-                    ( "client hello, "
-                      "illegal DTLS-SRTP protection profile %d",
-                      ssl->conf->dtls_srtp_profile_list[protection_profiles_index]
-                    ) );
-            return( MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED );
+            MBEDTLS_SSL_DEBUG_MSG(3,
+                                  ("client hello, "
+                                   "illegal DTLS-SRTP protection profile %d",
+                                   ssl->conf->dtls_srtp_profile_list[protection_profiles_index]
+                                  ));
+            return MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
         }
     }
 
     *p++ = mki_len & 0xFF;
 
-    if( mki_len != 0 )
-    {
-        memcpy( p, ssl->dtls_srtp_info.mki_value, mki_len );
+    if (mki_len != 0) {
+        memcpy(p, ssl->dtls_srtp_info.mki_value, mki_len);
         /*
          * Increment p to point to the current position.
          */
         p += mki_len;
-        MBEDTLS_SSL_DEBUG_BUF( 3, "sending mki",  ssl->dtls_srtp_info.mki_value,
-                               ssl->dtls_srtp_info.mki_len );
+        MBEDTLS_SSL_DEBUG_BUF(3, "sending mki",  ssl->dtls_srtp_info.mki_value,
+                              ssl->dtls_srtp_info.mki_len);
     }
 
     /*
@@ -871,7 +867,7 @@
      */
     *olen = p - buf;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
@@ -879,7 +875,7 @@
  * Generate random bytes for ClientHello
  */
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_generate_random( mbedtls_ssl_context *ssl )
+static int ssl_generate_random(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char *p = ssl->handshake->randbytes;
@@ -891,31 +887,32 @@
      * When responding to a verify request, MUST reuse random (RFC 6347 4.2.1)
      */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
-        ssl->handshake->verify_cookie != NULL )
-    {
-        return( 0 );
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+        ssl->handshake->verify_cookie != NULL) {
+        return 0;
     }
 #endif
 
 #if defined(MBEDTLS_HAVE_TIME)
-    t = mbedtls_time( NULL );
-    MBEDTLS_PUT_UINT32_BE( t, p, 0 );
+    t = mbedtls_time(NULL);
+    MBEDTLS_PUT_UINT32_BE(t, p, 0);
     p += 4;
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, current time: %" MBEDTLS_PRINTF_LONGLONG,
-                                (long long) t ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, current time: %" MBEDTLS_PRINTF_LONGLONG,
+                              (long long) t));
 #else
-    if( ( ret = ssl->conf->f_rng( ssl->conf->p_rng, p, 4 ) ) != 0 )
-        return( ret );
+    if ((ret = ssl->conf->f_rng(ssl->conf->p_rng, p, 4)) != 0) {
+        return ret;
+    }
 
     p += 4;
 #endif /* MBEDTLS_HAVE_TIME */
 
-    if( ( ret = ssl->conf->f_rng( ssl->conf->p_rng, p, 28 ) ) != 0 )
-        return( ret );
+    if ((ret = ssl->conf->f_rng(ssl->conf->p_rng, p, 28)) != 0) {
+        return ret;
+    }
 
-    return( 0 );
+    return 0;
 }
 
 /**
@@ -930,50 +927,54 @@
  */
 MBEDTLS_CHECK_RETURN_CRITICAL
 static int ssl_validate_ciphersuite(
-    const mbedtls_ssl_ciphersuite_t * suite_info,
-    const mbedtls_ssl_context * ssl,
-    int min_minor_ver, int max_minor_ver )
+    const mbedtls_ssl_ciphersuite_t *suite_info,
+    const mbedtls_ssl_context *ssl,
+    int min_minor_ver, int max_minor_ver)
 {
     (void) ssl;
-    if( suite_info == NULL )
-        return( 1 );
+    if (suite_info == NULL) {
+        return 1;
+    }
 
-    if( suite_info->min_minor_ver > max_minor_ver ||
-            suite_info->max_minor_ver < min_minor_ver )
-        return( 1 );
+    if (suite_info->min_minor_ver > max_minor_ver ||
+        suite_info->max_minor_ver < min_minor_ver) {
+        return 1;
+    }
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
-            ( suite_info->flags & MBEDTLS_CIPHERSUITE_NODTLS ) )
-        return( 1 );
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+        (suite_info->flags & MBEDTLS_CIPHERSUITE_NODTLS)) {
+        return 1;
+    }
 #endif
 
 #if defined(MBEDTLS_ARC4_C)
-    if( ssl->conf->arc4_disabled == MBEDTLS_SSL_ARC4_DISABLED &&
-            suite_info->cipher == MBEDTLS_CIPHER_ARC4_128 )
-        return( 1 );
+    if (ssl->conf->arc4_disabled == MBEDTLS_SSL_ARC4_DISABLED &&
+        suite_info->cipher == MBEDTLS_CIPHER_ARC4_128) {
+        return 1;
+    }
 #endif
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( suite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE &&
-            mbedtls_ecjpake_check( &ssl->handshake->ecjpake_ctx ) != 0 )
-        return( 1 );
+    if (suite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE &&
+        mbedtls_ecjpake_check(&ssl->handshake->ecjpake_ctx) != 0) {
+        return 1;
+    }
 #endif
 
     /* Don't suggest PSK-based ciphersuite if no PSK is available. */
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-    if( mbedtls_ssl_ciphersuite_uses_psk( suite_info ) &&
-        ssl_conf_has_static_psk( ssl->conf ) == 0 )
-    {
-        return( 1 );
+    if (mbedtls_ssl_ciphersuite_uses_psk(suite_info) &&
+        ssl_conf_has_static_psk(ssl->conf) == 0) {
+        return 1;
     }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
-    return( 0 );
+    return 0;
 }
 
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
+static int ssl_write_client_hello(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t i, n, olen, ext_len = 0;
@@ -990,30 +991,29 @@
     int uses_ec = 0;
 #endif
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write client hello" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> write client hello"));
 
-    if( ssl->conf->f_rng == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "no RNG provided") );
-        return( MBEDTLS_ERR_SSL_NO_RNG );
+    if (ssl->conf->f_rng == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("no RNG provided"));
+        return MBEDTLS_ERR_SSL_NO_RNG;
     }
 
     int renegotiating = 0;
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    if( ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE )
+    if (ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE) {
         renegotiating = 1;
+    }
 #endif
-    if( !renegotiating )
-    {
+    if (!renegotiating) {
         ssl->major_ver = ssl->conf->min_major_ver;
         ssl->minor_ver = ssl->conf->min_minor_ver;
     }
 
-    if( ssl->conf->max_major_ver == 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "configured max major version is invalid, consider using mbedtls_ssl_config_defaults()" ) );
-        return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
+    if (ssl->conf->max_major_ver == 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              (
+                                  "configured max major version is invalid, consider using mbedtls_ssl_config_defaults()"));
+        return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
     }
 
     buf = ssl->out_msg;
@@ -1027,7 +1027,7 @@
      * Use static upper bounds instead of the actual values
      * to allow the compiler to optimize this away.
      */
-    MBEDTLS_SSL_CHK_BUF_PTR( buf, end, 38 + 1 + 32 );
+    MBEDTLS_SSL_CHK_BUF_PTR(buf, end, 38 + 1 + 32);
 
     /*
      * The 38 first bytes of the ClientHello:
@@ -1043,22 +1043,21 @@
      */
 
     p = buf + 4;
-    mbedtls_ssl_write_version( ssl->conf->max_major_ver,
-                               ssl->conf->max_minor_ver,
-                               ssl->conf->transport, p );
+    mbedtls_ssl_write_version(ssl->conf->max_major_ver,
+                              ssl->conf->max_minor_ver,
+                              ssl->conf->transport, p);
     p += 2;
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, max version: [%d:%d]",
-                   buf[4], buf[5] ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, max version: [%d:%d]",
+                              buf[4], buf[5]));
 
-    if( ( ret = ssl_generate_random( ssl ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_generate_random", ret );
-        return( ret );
+    if ((ret = ssl_generate_random(ssl)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_generate_random", ret);
+        return ret;
     }
 
-    memcpy( p, ssl->handshake->randbytes, 32 );
-    MBEDTLS_SSL_DEBUG_BUF( 3, "client hello, random bytes", p, 32 );
+    memcpy(p, ssl->handshake->randbytes, 32);
+    MBEDTLS_SSL_DEBUG_BUF(3, "client hello, random bytes", p, 32);
     p += 32;
 
     /*
@@ -1075,12 +1074,11 @@
      */
     n = ssl->session_negotiate->id_len;
 
-    if( n < 16 || n > 32 ||
+    if (n < 16 || n > 32 ||
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
         ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE ||
 #endif
-        ssl->handshake->resume == 0 )
-    {
+        ssl->handshake->resume == 0) {
         n = 0;
     }
 
@@ -1089,16 +1087,15 @@
      * RFC 5077 section 3.4: "When presenting a ticket, the client MAY
      * generate and include a Session ID in the TLS ClientHello."
      */
-    if( !renegotiating )
-    {
-        if( ssl->session_negotiate->ticket != NULL &&
-                ssl->session_negotiate->ticket_len != 0 )
-        {
-            ret = ssl->conf->f_rng( ssl->conf->p_rng,
-                                    ssl->session_negotiate->id, 32 );
+    if (!renegotiating) {
+        if (ssl->session_negotiate->ticket != NULL &&
+            ssl->session_negotiate->ticket_len != 0) {
+            ret = ssl->conf->f_rng(ssl->conf->p_rng,
+                                   ssl->session_negotiate->id, 32);
 
-            if( ret != 0 )
-                return( ret );
+            if (ret != 0) {
+                return ret;
+            }
 
             ssl->session_negotiate->id_len = n = 32;
         }
@@ -1113,11 +1110,12 @@
      */
     *p++ = (unsigned char) n;
 
-    for( i = 0; i < n; i++ )
+    for (i = 0; i < n; i++) {
         *p++ = ssl->session_negotiate->id[i];
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, session id len.: %" MBEDTLS_PRINTF_SIZET, n ) );
-    MBEDTLS_SSL_DEBUG_BUF( 3,   "client hello, session id", buf + 39, n );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, session id len.: %" MBEDTLS_PRINTF_SIZET, n));
+    MBEDTLS_SSL_DEBUG_BUF(3,   "client hello, session id", buf + 39, n);
 
     /*
      *   With 'n' being the length of the session identifier
@@ -1136,27 +1134,23 @@
      * DTLS cookie
      */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        MBEDTLS_SSL_CHK_BUF_PTR( p, end, 1 );
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        MBEDTLS_SSL_CHK_BUF_PTR(p, end, 1);
 
-        if( ssl->handshake->verify_cookie == NULL )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "no verify cookie to send" ) );
+        if (ssl->handshake->verify_cookie == NULL) {
+            MBEDTLS_SSL_DEBUG_MSG(3, ("no verify cookie to send"));
             *p++ = 0;
-        }
-        else
-        {
-            MBEDTLS_SSL_DEBUG_BUF( 3, "client hello, cookie",
-                              ssl->handshake->verify_cookie,
-                              ssl->handshake->verify_cookie_len );
+        } else {
+            MBEDTLS_SSL_DEBUG_BUF(3, "client hello, cookie",
+                                  ssl->handshake->verify_cookie,
+                                  ssl->handshake->verify_cookie_len);
 
             *p++ = ssl->handshake->verify_cookie_len;
 
-            MBEDTLS_SSL_CHK_BUF_PTR( p, end,
-                                     ssl->handshake->verify_cookie_len );
-            memcpy( p, ssl->handshake->verify_cookie,
-                       ssl->handshake->verify_cookie_len );
+            MBEDTLS_SSL_CHK_BUF_PTR(p, end,
+                                    ssl->handshake->verify_cookie_len);
+            memcpy(p, ssl->handshake->verify_cookie,
+                   ssl->handshake->verify_cookie_len);
             p += ssl->handshake->verify_cookie_len;
         }
     }
@@ -1171,63 +1165,62 @@
     n = 0;
     q = p;
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 2);
     p += 2;
 
-    for( i = 0; ciphersuites[i] != 0; i++ )
-    {
-        ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuites[i] );
+    for (i = 0; ciphersuites[i] != 0; i++) {
+        ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(ciphersuites[i]);
 
-        if( ssl_validate_ciphersuite( ciphersuite_info, ssl,
-                                      ssl->conf->min_minor_ver,
-                                      ssl->conf->max_minor_ver ) != 0 )
+        if (ssl_validate_ciphersuite(ciphersuite_info, ssl,
+                                     ssl->conf->min_minor_ver,
+                                     ssl->conf->max_minor_ver) != 0) {
             continue;
+        }
 
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, add ciphersuite: %#04x (%s)",
-                                    (unsigned int)ciphersuites[i], ciphersuite_info->name ) );
+        MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, add ciphersuite: %#04x (%s)",
+                                  (unsigned int) ciphersuites[i], ciphersuite_info->name));
 
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
-    defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-        uses_ec |= mbedtls_ssl_ciphersuite_uses_ec( ciphersuite_info );
+        defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+        uses_ec |= mbedtls_ssl_ciphersuite_uses_ec(ciphersuite_info);
 #endif
 
-        MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+        MBEDTLS_SSL_CHK_BUF_PTR(p, end, 2);
 
         n++;
-        MBEDTLS_PUT_UINT16_BE( ciphersuites[i], p, 0 );
+        MBEDTLS_PUT_UINT16_BE(ciphersuites[i], p, 0);
         p += 2;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "client hello, got %" MBEDTLS_PRINTF_SIZET " ciphersuites (excluding SCSVs)", n ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("client hello, got %" MBEDTLS_PRINTF_SIZET
+                           " ciphersuites (excluding SCSVs)", n));
 
     /*
      * Add TLS_EMPTY_RENEGOTIATION_INFO_SCSV
      */
-    if( !renegotiating )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "adding EMPTY_RENEGOTIATION_INFO_SCSV" ) );
-        MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
-        MBEDTLS_PUT_UINT16_BE( MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO, p, 0 );
+    if (!renegotiating) {
+        MBEDTLS_SSL_DEBUG_MSG(3, ("adding EMPTY_RENEGOTIATION_INFO_SCSV"));
+        MBEDTLS_SSL_CHK_BUF_PTR(p, end, 2);
+        MBEDTLS_PUT_UINT16_BE(MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO, p, 0);
         p += 2;
         n++;
     }
 
     /* Some versions of OpenSSL don't handle it correctly if not at end */
 #if defined(MBEDTLS_SSL_FALLBACK_SCSV)
-    if( ssl->conf->fallback == MBEDTLS_SSL_IS_FALLBACK )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "adding FALLBACK_SCSV" ) );
+    if (ssl->conf->fallback == MBEDTLS_SSL_IS_FALLBACK) {
+        MBEDTLS_SSL_DEBUG_MSG(3, ("adding FALLBACK_SCSV"));
 
-        MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
-        MBEDTLS_PUT_UINT16_BE( MBEDTLS_SSL_FALLBACK_SCSV_VALUE, p, 0 );
+        MBEDTLS_SSL_CHK_BUF_PTR(p, end, 2);
+        MBEDTLS_PUT_UINT16_BE(MBEDTLS_SSL_FALLBACK_SCSV_VALUE, p, 0);
         p += 2;
         n++;
     }
 #endif
 
-    *q++ = (unsigned char)( n >> 7 );
-    *q++ = (unsigned char)( n << 1 );
+    *q++ = (unsigned char) (n >> 7);
+    *q++ = (unsigned char) (n << 1);
 
 #if defined(MBEDTLS_ZLIB_SUPPORT)
     offer_compress = 1;
@@ -1242,43 +1235,40 @@
      * an actual need for it.
      */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
         offer_compress = 0;
+    }
 #endif
 
-    if( offer_compress )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress len.: %d", 2 ) );
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress alg.: %d %d",
-                                    MBEDTLS_SSL_COMPRESS_DEFLATE,
-                                    MBEDTLS_SSL_COMPRESS_NULL ) );
+    if (offer_compress) {
+        MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, compress len.: %d", 2));
+        MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, compress alg.: %d %d",
+                                  MBEDTLS_SSL_COMPRESS_DEFLATE,
+                                  MBEDTLS_SSL_COMPRESS_NULL));
 
-        MBEDTLS_SSL_CHK_BUF_PTR( p, end, 3 );
+        MBEDTLS_SSL_CHK_BUF_PTR(p, end, 3);
         *p++ = 2;
         *p++ = MBEDTLS_SSL_COMPRESS_DEFLATE;
         *p++ = MBEDTLS_SSL_COMPRESS_NULL;
-    }
-    else
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress len.: %d", 1 ) );
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress alg.: %d",
-                            MBEDTLS_SSL_COMPRESS_NULL ) );
+    } else {
+        MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, compress len.: %d", 1));
+        MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, compress alg.: %d",
+                                  MBEDTLS_SSL_COMPRESS_NULL));
 
-        MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+        MBEDTLS_SSL_CHK_BUF_PTR(p, end, 2);
         *p++ = 1;
         *p++ = MBEDTLS_SSL_COMPRESS_NULL;
     }
 
     /* First write extensions, then the total length */
 
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+    MBEDTLS_SSL_CHK_BUF_PTR(p, end, 2);
 
 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
-    if( ( ret = ssl_write_hostname_ext( ssl, p + 2 + ext_len,
-                                        end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_hostname_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_hostname_ext(ssl, p + 2 + ext_len,
+                                      end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_hostname_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
@@ -1286,133 +1276,119 @@
     /* Note that TLS_EMPTY_RENEGOTIATION_INFO_SCSV is always added
      * even if MBEDTLS_SSL_RENEGOTIATION is not defined. */
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    if( ( ret = ssl_write_renegotiation_ext( ssl, p + 2 + ext_len,
-                                             end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_renegotiation_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_renegotiation_ext(ssl, p + 2 + ext_len,
+                                           end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_renegotiation_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && \
     defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
-    if( ( ret = ssl_write_signature_algorithms_ext( ssl, p + 2 + ext_len,
-                                                    end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_signature_algorithms_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_signature_algorithms_ext(ssl, p + 2 + ext_len,
+                                                  end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_signature_algorithms_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
     defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( uses_ec )
-    {
-        if( ( ret = ssl_write_supported_elliptic_curves_ext( ssl, p + 2 + ext_len,
-                                                             end, &olen ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_supported_elliptic_curves_ext", ret );
-            return( ret );
+    if (uses_ec) {
+        if ((ret = ssl_write_supported_elliptic_curves_ext(ssl, p + 2 + ext_len,
+                                                           end, &olen)) != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_supported_elliptic_curves_ext", ret);
+            return ret;
         }
         ext_len += olen;
 
-        if( ( ret = ssl_write_supported_point_formats_ext( ssl, p + 2 + ext_len,
-                                                           end, &olen ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_supported_point_formats_ext", ret );
-            return( ret );
+        if ((ret = ssl_write_supported_point_formats_ext(ssl, p + 2 + ext_len,
+                                                         end, &olen)) != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_supported_point_formats_ext", ret);
+            return ret;
         }
         ext_len += olen;
     }
 #endif
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( ( ret = ssl_write_ecjpake_kkpp_ext( ssl, p + 2 + ext_len,
-                                            end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_ecjpake_kkpp_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_ecjpake_kkpp_ext(ssl, p + 2 + ext_len,
+                                          end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_ecjpake_kkpp_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( ( ret = ssl_write_cid_ext( ssl, p + 2 + ext_len, end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_cid_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_cid_ext(ssl, p + 2 + ext_len, end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_cid_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    if( ( ret = ssl_write_max_fragment_length_ext( ssl, p + 2 + ext_len,
-                                                   end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_max_fragment_length_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_max_fragment_length_ext(ssl, p + 2 + ext_len,
+                                                 end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_max_fragment_length_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
-    if( ( ret = ssl_write_truncated_hmac_ext( ssl, p + 2 + ext_len,
-                                              end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_truncated_hmac_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_truncated_hmac_ext(ssl, p + 2 + ext_len,
+                                            end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_truncated_hmac_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-    if( ( ret = ssl_write_encrypt_then_mac_ext( ssl, p + 2 + ext_len,
-                                                end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_encrypt_then_mac_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_encrypt_then_mac_ext(ssl, p + 2 + ext_len,
+                                              end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_encrypt_then_mac_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-    if( ( ret = ssl_write_extended_ms_ext( ssl, p + 2 + ext_len,
-                                           end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_extended_ms_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_extended_ms_ext(ssl, p + 2 + ext_len,
+                                         end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_extended_ms_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_SSL_ALPN)
-    if( ( ret = ssl_write_alpn_ext( ssl, p + 2 + ext_len,
-                                    end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_alpn_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_alpn_ext(ssl, p + 2 + ext_len,
+                                  end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_alpn_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
-    if( ( ret = ssl_write_use_srtp_ext( ssl, p + 2 + ext_len,
-                                        end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_use_srtp_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_use_srtp_ext(ssl, p + 2 + ext_len,
+                                      end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_use_srtp_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    if( ( ret = ssl_write_session_ticket_ext( ssl, p + 2 + ext_len,
-                                              end, &olen ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_session_ticket_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_session_ticket_ext(ssl, p + 2 + ext_len,
+                                            end, &olen)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_session_ticket_ext", ret);
+        return ret;
     }
     ext_len += olen;
 #endif
@@ -1420,14 +1396,13 @@
     /* olen unused if all extensions are disabled */
     ((void) olen);
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, total extension length: %" MBEDTLS_PRINTF_SIZET,
-                                ext_len ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("client hello, total extension length: %" MBEDTLS_PRINTF_SIZET,
+                              ext_len));
 
-    if( ext_len > 0 )
-    {
+    if (ext_len > 0) {
         /* No need to check for space here, because the extension
          * writing functions already took care of that. */
-        MBEDTLS_PUT_UINT16_BE( ext_len, p, 0 );
+        MBEDTLS_PUT_UINT16_BE(ext_len, p, 0);
         p += 2 + ext_len;
     }
 
@@ -1438,363 +1413,343 @@
     ssl->state++;
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-        mbedtls_ssl_send_flight_completed( ssl );
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        mbedtls_ssl_send_flight_completed(ssl);
+    }
 #endif
 
-    if( ( ret = mbedtls_ssl_write_handshake_msg( ssl ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_handshake_msg", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_write_handshake_msg(ssl)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_write_handshake_msg", ret);
+        return ret;
     }
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
-        ( ret = mbedtls_ssl_flight_transmit( ssl ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_flight_transmit", ret );
-        return( ret );
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+        (ret = mbedtls_ssl_flight_transmit(ssl)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_flight_transmit", ret);
+        return ret;
     }
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write client hello" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= write client hello"));
 
-    return( 0 );
+    return 0;
 }
 
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_renegotiation_info( mbedtls_ssl_context *ssl,
-                                         const unsigned char *buf,
-                                         size_t len )
+static int ssl_parse_renegotiation_info(mbedtls_ssl_context *ssl,
+                                        const unsigned char *buf,
+                                        size_t len)
 {
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    if( ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE )
-    {
+    if (ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE) {
         /* Check verify-data in constant-time. The length OTOH is no secret */
-        if( len    != 1 + ssl->verify_data_len * 2 ||
+        if (len    != 1 + ssl->verify_data_len * 2 ||
             buf[0] !=     ssl->verify_data_len * 2 ||
-            mbedtls_ct_memcmp( buf + 1,
-                          ssl->own_verify_data, ssl->verify_data_len ) != 0 ||
-            mbedtls_ct_memcmp( buf + 1 + ssl->verify_data_len,
-                          ssl->peer_verify_data, ssl->verify_data_len ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching renegotiation info" ) );
+            mbedtls_ct_memcmp(buf + 1,
+                              ssl->own_verify_data, ssl->verify_data_len) != 0 ||
+            mbedtls_ct_memcmp(buf + 1 + ssl->verify_data_len,
+                              ssl->peer_verify_data, ssl->verify_data_len) != 0) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("non-matching renegotiation info"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_SSL_RENEGOTIATION */
     {
-        if( len != 1 || buf[0] != 0x00 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "non-zero length renegotiation info" ) );
+        if (len != 1 || buf[0] != 0x00) {
+            MBEDTLS_SSL_DEBUG_MSG(1,
+                                  ("non-zero length renegotiation info"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
         }
 
         ssl->secure_renegotiation = MBEDTLS_SSL_SECURE_RENEGOTIATION;
     }
 
-    return( 0 );
+    return 0;
 }
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_max_fragment_length_ext( mbedtls_ssl_context *ssl,
-                                              const unsigned char *buf,
-                                              size_t len )
+static int ssl_parse_max_fragment_length_ext(mbedtls_ssl_context *ssl,
+                                             const unsigned char *buf,
+                                             size_t len)
 {
     /*
      * server should use the extension only if we did,
      * and if so the server's value should match ours (and len is always 1)
      */
-    if( ssl->conf->mfl_code == MBEDTLS_SSL_MAX_FRAG_LEN_NONE ||
+    if (ssl->conf->mfl_code == MBEDTLS_SSL_MAX_FRAG_LEN_NONE ||
         len != 1 ||
-        buf[0] != ssl->conf->mfl_code )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "non-matching max fragment length extension" ) );
+        buf[0] != ssl->conf->mfl_code) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("non-matching max fragment length extension"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_truncated_hmac_ext( mbedtls_ssl_context *ssl,
-                                         const unsigned char *buf,
-                                         size_t len )
+static int ssl_parse_truncated_hmac_ext(mbedtls_ssl_context *ssl,
+                                        const unsigned char *buf,
+                                        size_t len)
 {
-    if( ssl->conf->trunc_hmac == MBEDTLS_SSL_TRUNC_HMAC_DISABLED ||
-        len != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "non-matching truncated HMAC extension" ) );
+    if (ssl->conf->trunc_hmac == MBEDTLS_SSL_TRUNC_HMAC_DISABLED ||
+        len != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("non-matching truncated HMAC extension"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     ((void) buf);
 
     ssl->session_negotiate->trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_cid_ext( mbedtls_ssl_context *ssl,
-                              const unsigned char *buf,
-                              size_t len )
+static int ssl_parse_cid_ext(mbedtls_ssl_context *ssl,
+                             const unsigned char *buf,
+                             size_t len)
 {
     size_t peer_cid_len;
 
-    if( /* CID extension only makes sense in DTLS */
+    if ( /* CID extension only makes sense in DTLS */
         ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM ||
         /* The server must only send the CID extension if we have offered it. */
-        ssl->negotiate_cid == MBEDTLS_SSL_CID_DISABLED )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "CID extension unexpected" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        ssl->negotiate_cid == MBEDTLS_SSL_CID_DISABLED) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("CID extension unexpected"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
-    if( len == 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "CID extension invalid" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (len == 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("CID extension invalid"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     peer_cid_len = *buf++;
     len--;
 
-    if( peer_cid_len > MBEDTLS_SSL_CID_OUT_LEN_MAX )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "CID extension invalid" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (peer_cid_len > MBEDTLS_SSL_CID_OUT_LEN_MAX) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("CID extension invalid"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
-    if( len != peer_cid_len )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "CID extension invalid" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (len != peer_cid_len) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("CID extension invalid"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     ssl->handshake->cid_in_use = MBEDTLS_SSL_CID_ENABLED;
     ssl->handshake->peer_cid_len = (uint8_t) peer_cid_len;
-    memcpy( ssl->handshake->peer_cid, buf, peer_cid_len );
+    memcpy(ssl->handshake->peer_cid, buf, peer_cid_len);
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "Use of CID extension negotiated" ) );
-    MBEDTLS_SSL_DEBUG_BUF( 3, "Server CID", buf, peer_cid_len );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("Use of CID extension negotiated"));
+    MBEDTLS_SSL_DEBUG_BUF(3, "Server CID", buf, peer_cid_len);
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_encrypt_then_mac_ext( mbedtls_ssl_context *ssl,
-                                         const unsigned char *buf,
-                                         size_t len )
+static int ssl_parse_encrypt_then_mac_ext(mbedtls_ssl_context *ssl,
+                                          const unsigned char *buf,
+                                          size_t len)
 {
-    if( ssl->conf->encrypt_then_mac == MBEDTLS_SSL_ETM_DISABLED ||
+    if (ssl->conf->encrypt_then_mac == MBEDTLS_SSL_ETM_DISABLED ||
         ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 ||
-        len != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "non-matching encrypt-then-MAC extension" ) );
+        len != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("non-matching encrypt-then-MAC extension"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     ((void) buf);
 
     ssl->session_negotiate->encrypt_then_mac = MBEDTLS_SSL_ETM_ENABLED;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
 
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_extended_ms_ext( mbedtls_ssl_context *ssl,
-                                         const unsigned char *buf,
-                                         size_t len )
+static int ssl_parse_extended_ms_ext(mbedtls_ssl_context *ssl,
+                                     const unsigned char *buf,
+                                     size_t len)
 {
-    if( ssl->conf->extended_ms == MBEDTLS_SSL_EXTENDED_MS_DISABLED ||
+    if (ssl->conf->extended_ms == MBEDTLS_SSL_EXTENDED_MS_DISABLED ||
         ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 ||
-        len != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "non-matching extended master secret extension" ) );
+        len != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("non-matching extended master secret extension"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     ((void) buf);
 
     ssl->handshake->extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_session_ticket_ext( mbedtls_ssl_context *ssl,
-                                         const unsigned char *buf,
-                                         size_t len )
+static int ssl_parse_session_ticket_ext(mbedtls_ssl_context *ssl,
+                                        const unsigned char *buf,
+                                        size_t len)
 {
-    if( ssl->conf->session_tickets == MBEDTLS_SSL_SESSION_TICKETS_DISABLED ||
-        len != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "non-matching session ticket extension" ) );
+    if (ssl->conf->session_tickets == MBEDTLS_SSL_SESSION_TICKETS_DISABLED ||
+        len != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("non-matching session ticket extension"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     ((void) buf);
 
     ssl->handshake->new_session_ticket = 1;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
     defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_supported_point_formats_ext( mbedtls_ssl_context *ssl,
-                                                  const unsigned char *buf,
-                                                  size_t len )
+static int ssl_parse_supported_point_formats_ext(mbedtls_ssl_context *ssl,
+                                                 const unsigned char *buf,
+                                                 size_t len)
 {
     size_t list_size;
     const unsigned char *p;
 
-    if( len == 0 || (size_t)( buf[0] + 1 ) != len )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (len == 0 || (size_t) (buf[0] + 1) != len) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
     list_size = buf[0];
 
     p = buf + 1;
-    while( list_size > 0 )
-    {
-        if( p[0] == MBEDTLS_ECP_PF_UNCOMPRESSED ||
-            p[0] == MBEDTLS_ECP_PF_COMPRESSED )
-        {
+    while (list_size > 0) {
+        if (p[0] == MBEDTLS_ECP_PF_UNCOMPRESSED ||
+            p[0] == MBEDTLS_ECP_PF_COMPRESSED) {
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
             ssl->handshake->ecdh_ctx.point_format = p[0];
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
             ssl->handshake->ecjpake_ctx.point_format = p[0];
 #endif
-            MBEDTLS_SSL_DEBUG_MSG( 4, ( "point format selected: %d", p[0] ) );
-            return( 0 );
+            MBEDTLS_SSL_DEBUG_MSG(4, ("point format selected: %d", p[0]));
+            return 0;
         }
 
         list_size--;
         p++;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 1, ( "no point format in common" ) );
-    mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                    MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-    return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    MBEDTLS_SSL_DEBUG_MSG(1, ("no point format in common"));
+    mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                   MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+    return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
 }
 #endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
           MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_ecjpake_kkpp( mbedtls_ssl_context *ssl,
-                                   const unsigned char *buf,
-                                   size_t len )
+static int ssl_parse_ecjpake_kkpp(mbedtls_ssl_context *ssl,
+                                  const unsigned char *buf,
+                                  size_t len)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    if( ssl->handshake->ciphersuite_info->key_exchange !=
-        MBEDTLS_KEY_EXCHANGE_ECJPAKE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "skip ecjpake kkpp extension" ) );
-        return( 0 );
+    if (ssl->handshake->ciphersuite_info->key_exchange !=
+        MBEDTLS_KEY_EXCHANGE_ECJPAKE) {
+        MBEDTLS_SSL_DEBUG_MSG(3, ("skip ecjpake kkpp extension"));
+        return 0;
     }
 
     /* If we got here, we no longer need our cached extension */
-    mbedtls_free( ssl->handshake->ecjpake_cache );
+    mbedtls_free(ssl->handshake->ecjpake_cache);
     ssl->handshake->ecjpake_cache = NULL;
     ssl->handshake->ecjpake_cache_len = 0;
 
-    if( ( ret = mbedtls_ecjpake_read_round_one( &ssl->handshake->ecjpake_ctx,
-                                                buf, len ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecjpake_read_round_one", ret );
+    if ((ret = mbedtls_ecjpake_read_round_one(&ssl->handshake->ecjpake_ctx,
+                                              buf, len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ecjpake_read_round_one", ret);
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( ret );
+            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+        return ret;
     }
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
 #if defined(MBEDTLS_SSL_ALPN)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_alpn_ext( mbedtls_ssl_context *ssl,
-                               const unsigned char *buf, size_t len )
+static int ssl_parse_alpn_ext(mbedtls_ssl_context *ssl,
+                              const unsigned char *buf, size_t len)
 {
     size_t list_len, name_len;
     const char **p;
 
     /* If we didn't send it, the server shouldn't send it */
-    if( ssl->conf->alpn_list == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching ALPN extension" ) );
+    if (ssl->conf->alpn_list == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("non-matching ALPN extension"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     /*
@@ -1808,62 +1763,58 @@
      */
 
     /* Min length is 2 (list_len) + 1 (name_len) + 1 (name) */
-    if( len < 4 )
-    {
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (len < 4) {
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
-    list_len = ( buf[0] << 8 ) | buf[1];
-    if( list_len != len - 2 )
-    {
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    list_len = (buf[0] << 8) | buf[1];
+    if (list_len != len - 2) {
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     name_len = buf[2];
-    if( name_len != list_len - 1 )
-    {
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (name_len != list_len - 1) {
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     /* Check that the server chosen protocol was in our list and save it */
-    for( p = ssl->conf->alpn_list; *p != NULL; p++ )
-    {
-        if( name_len == strlen( *p ) &&
-            memcmp( buf + 3, *p, name_len ) == 0 )
-        {
+    for (p = ssl->conf->alpn_list; *p != NULL; p++) {
+        if (name_len == strlen(*p) &&
+            memcmp(buf + 3, *p, name_len) == 0) {
             ssl->alpn_chosen = *p;
-            return( 0 );
+            return 0;
         }
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 1, ( "ALPN extension: no matching protocol" ) );
-    mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                    MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-    return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    MBEDTLS_SSL_DEBUG_MSG(1, ("ALPN extension: no matching protocol"));
+    mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                   MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+    return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
 }
 #endif /* MBEDTLS_SSL_ALPN */
 
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl,
-                                   const unsigned char *buf,
-                                   size_t len )
+static int ssl_parse_use_srtp_ext(mbedtls_ssl_context *ssl,
+                                  const unsigned char *buf,
+                                  size_t len)
 {
     mbedtls_ssl_srtp_profile server_protection = MBEDTLS_TLS_SRTP_UNSET;
     size_t i, mki_len = 0;
     uint16_t server_protection_profile_value = 0;
 
     /* If use_srtp is not configured, just ignore the extension */
-    if( ( ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM ) ||
-        ( ssl->conf->dtls_srtp_profile_list == NULL ) ||
-        ( ssl->conf->dtls_srtp_profile_list_len == 0 ) )
-        return( 0 );
+    if ((ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM) ||
+        (ssl->conf->dtls_srtp_profile_list == NULL) ||
+        (ssl->conf->dtls_srtp_profile_list_len == 0)) {
+        return 0;
+    }
 
     /* RFC 5764 section 4.1.1
      * uint8 SRTPProtectionProfile[2];
@@ -1876,8 +1827,7 @@
      * SRTPProtectionProfile SRTPProtectionProfiles<2..2^16-1>;
      *
      */
-    if( ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED )
-    {
+    if (ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED) {
         mki_len = ssl->dtls_srtp_info.mki_len;
     }
 
@@ -1887,8 +1837,9 @@
      *                                      + mki_len(1 byte)
      *                                      and optional srtp_mki
      */
-    if( ( len < 5 ) || ( len != ( buf[4] + 5u ) ) )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if ((len < 5) || (len != (buf[4] + 5u))) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
+    }
 
     /*
      * get the server protection profile
@@ -1898,17 +1849,17 @@
      * protection profile length must be 0x0002 as we must have only
      * one protection profile in server Hello
      */
-    if( (  buf[0] != 0 ) || ( buf[1] != 2 ) )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if ((buf[0] != 0) || (buf[1] != 2)) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
+    }
 
-    server_protection_profile_value = ( buf[2] << 8 ) | buf[3];
+    server_protection_profile_value = (buf[2] << 8) | buf[3];
     server_protection = mbedtls_ssl_check_srtp_profile_value(
-                    server_protection_profile_value );
-    if( server_protection != MBEDTLS_TLS_SRTP_UNSET )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "found srtp profile: %s",
-                                      mbedtls_ssl_get_srtp_profile_as_string(
-                                              server_protection ) ) );
+        server_protection_profile_value);
+    if (server_protection != MBEDTLS_TLS_SRTP_UNSET) {
+        MBEDTLS_SSL_DEBUG_MSG(3, ("found srtp profile: %s",
+                                  mbedtls_ssl_get_srtp_profile_as_string(
+                                      server_protection)));
     }
 
     ssl->dtls_srtp_info.chosen_dtls_srtp_profile = MBEDTLS_TLS_SRTP_UNSET;
@@ -1916,30 +1867,26 @@
     /*
      * Check we have the server profile in our list
      */
-    for( i=0; i < ssl->conf->dtls_srtp_profile_list_len; i++)
-    {
-        if( server_protection == ssl->conf->dtls_srtp_profile_list[i] )
-        {
+    for (i = 0; i < ssl->conf->dtls_srtp_profile_list_len; i++) {
+        if (server_protection == ssl->conf->dtls_srtp_profile_list[i]) {
             ssl->dtls_srtp_info.chosen_dtls_srtp_profile = ssl->conf->dtls_srtp_profile_list[i];
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "selected srtp profile: %s",
+            MBEDTLS_SSL_DEBUG_MSG(3, ("selected srtp profile: %s",
                                       mbedtls_ssl_get_srtp_profile_as_string(
-                                              server_protection ) ) );
+                                          server_protection)));
             break;
         }
     }
 
     /* If no match was found : server problem, it shall never answer with incompatible profile */
-    if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile == MBEDTLS_TLS_SRTP_UNSET )
-    {
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (ssl->dtls_srtp_info.chosen_dtls_srtp_profile == MBEDTLS_TLS_SRTP_UNSET) {
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     /* If server does not use mki in its reply, make sure the client won't keep
      * one as negotiated */
-    if( len == 5 )
-    {
+    if (len == 5) {
         ssl->dtls_srtp_info.mki_len = 0;
     }
 
@@ -1949,21 +1896,19 @@
      *  that is different than the one the client offered, then the client
      *  MUST abort the handshake and SHOULD send an invalid_parameter alert.
      */
-    if( len > 5  && ( buf[4] != mki_len ||
-        ( memcmp( ssl->dtls_srtp_info.mki_value, &buf[5], mki_len ) ) ) )
-    {
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (len > 5  && (buf[4] != mki_len ||
+                     (memcmp(ssl->dtls_srtp_info.mki_value, &buf[5], mki_len)))) {
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
-#if defined (MBEDTLS_DEBUG_C)
-    if( len > 5 )
-    {
-        MBEDTLS_SSL_DEBUG_BUF( 3, "received mki", ssl->dtls_srtp_info.mki_value,
-                                                  ssl->dtls_srtp_info.mki_len );
+#if defined(MBEDTLS_DEBUG_C)
+    if (len > 5) {
+        MBEDTLS_SSL_DEBUG_BUF(3, "received mki", ssl->dtls_srtp_info.mki_value,
+                              ssl->dtls_srtp_info.mki_len);
     }
 #endif
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
@@ -1972,25 +1917,24 @@
  */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_hello_verify_request( mbedtls_ssl_context *ssl )
+static int ssl_parse_hello_verify_request(mbedtls_ssl_context *ssl)
 {
-    const unsigned char *p = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
+    const unsigned char *p = ssl->in_msg + mbedtls_ssl_hs_hdr_len(ssl);
     int major_ver, minor_ver;
     unsigned char cookie_len;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse hello verify request" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> parse hello verify request"));
 
     /* Check that there is enough room for:
      * - 2 bytes of version
      * - 1 byte of cookie_len
      */
-    if( mbedtls_ssl_hs_hdr_len( ssl ) + 3 > ssl->in_msglen )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "incoming HelloVerifyRequest message is too short" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                    MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (mbedtls_ssl_hs_hdr_len(ssl) + 3 > ssl->in_msglen) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("incoming HelloVerifyRequest message is too short"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     /*
@@ -1999,63 +1943,60 @@
      *   opaque cookie<0..2^8-1>;
      * } HelloVerifyRequest;
      */
-    MBEDTLS_SSL_DEBUG_BUF( 3, "server version", p, 2 );
-    mbedtls_ssl_read_version( &major_ver, &minor_ver, ssl->conf->transport, p );
+    MBEDTLS_SSL_DEBUG_BUF(3, "server version", p, 2);
+    mbedtls_ssl_read_version(&major_ver, &minor_ver, ssl->conf->transport, p);
     p += 2;
 
     /*
      * Since the RFC is not clear on this point, accept DTLS 1.0 (TLS 1.1)
      * even is lower than our min version.
      */
-    if( major_ver < MBEDTLS_SSL_MAJOR_VERSION_3 ||
+    if (major_ver < MBEDTLS_SSL_MAJOR_VERSION_3 ||
         minor_ver < MBEDTLS_SSL_MINOR_VERSION_2 ||
         major_ver > ssl->conf->max_major_ver  ||
-        minor_ver > ssl->conf->max_minor_ver  )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server version" ) );
+        minor_ver > ssl->conf->max_minor_ver) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server version"));
 
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION );
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION);
 
-        return( MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION );
+        return MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION;
     }
 
     cookie_len = *p++;
-    if( ( ssl->in_msg + ssl->in_msglen ) - p < cookie_len )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "cookie length does not match incoming message size" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                    MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if ((ssl->in_msg + ssl->in_msglen) - p < cookie_len) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("cookie length does not match incoming message size"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
-    MBEDTLS_SSL_DEBUG_BUF( 3, "cookie", p, cookie_len );
+    MBEDTLS_SSL_DEBUG_BUF(3, "cookie", p, cookie_len);
 
-    mbedtls_free( ssl->handshake->verify_cookie );
+    mbedtls_free(ssl->handshake->verify_cookie);
 
-    ssl->handshake->verify_cookie = mbedtls_calloc( 1, cookie_len );
-    if( ssl->handshake->verify_cookie  == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "alloc failed (%d bytes)", cookie_len ) );
-        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
+    ssl->handshake->verify_cookie = mbedtls_calloc(1, cookie_len);
+    if (ssl->handshake->verify_cookie  == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("alloc failed (%d bytes)", cookie_len));
+        return MBEDTLS_ERR_SSL_ALLOC_FAILED;
     }
 
-    memcpy( ssl->handshake->verify_cookie, p, cookie_len );
+    memcpy(ssl->handshake->verify_cookie, p, cookie_len);
     ssl->handshake->verify_cookie_len = cookie_len;
 
     /* Start over at ClientHello */
     ssl->state = MBEDTLS_SSL_CLIENT_HELLO;
-    mbedtls_ssl_reset_checksum( ssl );
+    mbedtls_ssl_reset_checksum(ssl);
 
-    mbedtls_ssl_recv_flight_completed( ssl );
+    mbedtls_ssl_recv_flight_completed(ssl);
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse hello verify request" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= parse hello verify request"));
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-static int is_compression_bad( mbedtls_ssl_context *ssl, unsigned char comp )
+static int is_compression_bad(mbedtls_ssl_context *ssl, unsigned char comp)
 {
     int bad_comp = 0;
 
@@ -2064,23 +2005,26 @@
 #if defined(MBEDTLS_ZLIB_SUPPORT)
     /* See comments in ssl_write_client_hello() */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
-        comp != MBEDTLS_SSL_COMPRESS_NULL )
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+        comp != MBEDTLS_SSL_COMPRESS_NULL) {
         bad_comp = 1;
+    }
 #endif
 
-    if( comp != MBEDTLS_SSL_COMPRESS_NULL &&
-        comp != MBEDTLS_SSL_COMPRESS_DEFLATE )
+    if (comp != MBEDTLS_SSL_COMPRESS_NULL &&
+        comp != MBEDTLS_SSL_COMPRESS_DEFLATE) {
         bad_comp = 1;
+    }
 #else /* MBEDTLS_ZLIB_SUPPORT */
-    if( comp != MBEDTLS_SSL_COMPRESS_NULL )
+    if (comp != MBEDTLS_SSL_COMPRESS_NULL) {
         bad_comp = 1;
-#endif/* MBEDTLS_ZLIB_SUPPORT */
+    }
+#endif /* MBEDTLS_ZLIB_SUPPORT */
     return bad_comp;
 }
 
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
+static int ssl_parse_server_hello(mbedtls_ssl_context *ssl)
 {
     int ret, i;
     size_t n;
@@ -2093,74 +2037,65 @@
     int handshake_failure = 0;
     const mbedtls_ssl_ciphersuite_t *suite_info;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse server hello" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> parse server hello"));
 
-    if( ( ret = mbedtls_ssl_read_record( ssl, 1 ) ) != 0 )
-    {
+    if ((ret = mbedtls_ssl_read_record(ssl, 1)) != 0) {
         /* No alert on a read error. */
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
-        return( ret );
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_read_record", ret);
+        return ret;
     }
 
     buf = ssl->in_msg;
 
-    if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
-    {
+    if (ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE) {
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-        if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS )
-        {
+        if (ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS) {
             ssl->renego_records_seen++;
 
-            if( ssl->conf->renego_max_records >= 0 &&
-                ssl->renego_records_seen > ssl->conf->renego_max_records )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1,
-                    ( "renegotiation requested, but not honored by server" ) );
-                return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
+            if (ssl->conf->renego_max_records >= 0 &&
+                ssl->renego_records_seen > ssl->conf->renego_max_records) {
+                MBEDTLS_SSL_DEBUG_MSG(1,
+                                      ("renegotiation requested, but not honored by server"));
+                return MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
             }
 
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "non-handshake message during renegotiation" ) );
+            MBEDTLS_SSL_DEBUG_MSG(1,
+                                  ("non-handshake message during renegotiation"));
 
             ssl->keep_current_message = 1;
-            return( MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO );
+            return MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO;
         }
 #endif /* MBEDTLS_SSL_RENEGOTIATION */
 
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE );
-        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
+            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE);
+        return MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
     }
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( buf[0] == MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 2, ( "received hello verify request" ) );
-            MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server hello" ) );
-            return( ssl_parse_hello_verify_request( ssl ) );
-        }
-        else
-        {
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if (buf[0] == MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST) {
+            MBEDTLS_SSL_DEBUG_MSG(2, ("received hello verify request"));
+            MBEDTLS_SSL_DEBUG_MSG(2, ("<= parse server hello"));
+            return ssl_parse_hello_verify_request(ssl);
+        } else {
             /* We made it through the verification process */
-            mbedtls_free( ssl->handshake->verify_cookie );
+            mbedtls_free(ssl->handshake->verify_cookie);
             ssl->handshake->verify_cookie = NULL;
             ssl->handshake->verify_cookie_len = 0;
         }
     }
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-    if( ssl->in_hslen < 38 + mbedtls_ssl_hs_hdr_len( ssl ) ||
-        buf[0] != MBEDTLS_SSL_HS_SERVER_HELLO )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (ssl->in_hslen < 38 + mbedtls_ssl_hs_hdr_len(ssl) ||
+        buf[0] != MBEDTLS_SSL_HS_SERVER_HELLO) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     /*
@@ -2174,389 +2109,363 @@
      * 38+n . 39+n  extensions length (optional)
      * 40+n .  ..   extensions
      */
-    buf += mbedtls_ssl_hs_hdr_len( ssl );
+    buf += mbedtls_ssl_hs_hdr_len(ssl);
 
-    MBEDTLS_SSL_DEBUG_BUF( 3, "server hello, version", buf + 0, 2 );
-    mbedtls_ssl_read_version( &ssl->major_ver, &ssl->minor_ver,
-                      ssl->conf->transport, buf + 0 );
+    MBEDTLS_SSL_DEBUG_BUF(3, "server hello, version", buf + 0, 2);
+    mbedtls_ssl_read_version(&ssl->major_ver, &ssl->minor_ver,
+                             ssl->conf->transport, buf + 0);
 
-    if( ssl->major_ver < ssl->conf->min_major_ver ||
+    if (ssl->major_ver < ssl->conf->min_major_ver ||
         ssl->minor_ver < ssl->conf->min_minor_ver ||
         ssl->major_ver > ssl->conf->max_major_ver ||
-        ssl->minor_ver > ssl->conf->max_minor_ver )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "server version out of bounds -  min: [%d:%d], server: [%d:%d], max: [%d:%d]",
-              ssl->conf->min_major_ver,
-              ssl->conf->min_minor_ver,
-              ssl->major_ver, ssl->minor_ver,
-              ssl->conf->max_major_ver,
-              ssl->conf->max_minor_ver ) );
+        ssl->minor_ver > ssl->conf->max_minor_ver) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              (
+                                  "server version out of bounds -  min: [%d:%d], server: [%d:%d], max: [%d:%d]",
+                                  ssl->conf->min_major_ver,
+                                  ssl->conf->min_minor_ver,
+                                  ssl->major_ver, ssl->minor_ver,
+                                  ssl->conf->max_major_ver,
+                                  ssl->conf->max_minor_ver));
 
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                     MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION );
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION);
 
-        return( MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION );
+        return MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, current time: %lu",
-                                     ( (unsigned long) buf[2] << 24 ) |
-                                     ( (unsigned long) buf[3] << 16 ) |
-                                     ( (unsigned long) buf[4] <<  8 ) |
-                                     ( (unsigned long) buf[5]       ) ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("server hello, current time: %lu",
+                              ((unsigned long) buf[2] << 24) |
+                              ((unsigned long) buf[3] << 16) |
+                              ((unsigned long) buf[4] <<  8) |
+                              ((unsigned long) buf[5])));
 
-    memcpy( ssl->handshake->randbytes + 32, buf + 2, 32 );
+    memcpy(ssl->handshake->randbytes + 32, buf + 2, 32);
 
     n = buf[34];
 
-    MBEDTLS_SSL_DEBUG_BUF( 3,   "server hello, random bytes", buf + 2, 32 );
+    MBEDTLS_SSL_DEBUG_BUF(3,   "server hello, random bytes", buf + 2, 32);
 
-    if( n > 32 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    if (n > 32) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
-    if( ssl->in_hslen > mbedtls_ssl_hs_hdr_len( ssl ) + 39 + n )
-    {
-        ext_len = ( ( buf[38 + n] <<  8 )
-                  | ( buf[39 + n]       ) );
+    if (ssl->in_hslen > mbedtls_ssl_hs_hdr_len(ssl) + 39 + n) {
+        ext_len = ((buf[38 + n] <<  8)
+                   | (buf[39 + n]));
 
-        if( ( ext_len > 0 && ext_len < 4 ) ||
-            ssl->in_hslen != mbedtls_ssl_hs_hdr_len( ssl ) + 40 + n + ext_len )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        if ((ext_len > 0 && ext_len < 4) ||
+            ssl->in_hslen != mbedtls_ssl_hs_hdr_len(ssl) + 40 + n + ext_len) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
         }
-    }
-    else if( ssl->in_hslen == mbedtls_ssl_hs_hdr_len( ssl ) + 38 + n )
-    {
+    } else if (ssl->in_hslen == mbedtls_ssl_hs_hdr_len(ssl) + 38 + n) {
         ext_len = 0;
-    }
-    else
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+    } else {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
     /* ciphersuite (used later) */
-    i = ( buf[35 + n] << 8 ) | buf[36 + n];
+    i = (buf[35 + n] << 8) | buf[36 + n];
 
     /*
      * Read and check compression
      */
     comp = buf[37 + n];
 
-    if( is_compression_bad( ssl, comp ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "server hello, bad compression: %d", comp ) );
+    if (is_compression_bad(ssl, comp)) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("server hello, bad compression: %d", comp));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
     }
 
     /*
      * Initialize update checksum functions
      */
-    ssl->handshake->ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( i );
-    if( ssl->handshake->ciphersuite_info == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "ciphersuite info for %04x not found", (unsigned int)i ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
+    ssl->handshake->ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(i);
+    if (ssl->handshake->ciphersuite_info == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("ciphersuite info for %04x not found", (unsigned int) i));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
     }
 
-    mbedtls_ssl_optimize_checksum( ssl, ssl->handshake->ciphersuite_info );
+    mbedtls_ssl_optimize_checksum(ssl, ssl->handshake->ciphersuite_info);
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, session id len.: %" MBEDTLS_PRINTF_SIZET, n ) );
-    MBEDTLS_SSL_DEBUG_BUF( 3,   "server hello, session id", buf + 35, n );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("server hello, session id len.: %" MBEDTLS_PRINTF_SIZET, n));
+    MBEDTLS_SSL_DEBUG_BUF(3,   "server hello, session id", buf + 35, n);
 
     /*
      * Check if the session can be resumed
      */
-    if( ssl->handshake->resume == 0 || n == 0 ||
+    if (ssl->handshake->resume == 0 || n == 0 ||
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
         ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE ||
 #endif
         ssl->session_negotiate->ciphersuite != i ||
         ssl->session_negotiate->compression != comp ||
         ssl->session_negotiate->id_len != n ||
-        memcmp( ssl->session_negotiate->id, buf + 35, n ) != 0 )
-    {
+        memcmp(ssl->session_negotiate->id, buf + 35, n) != 0) {
         ssl->state++;
         ssl->handshake->resume = 0;
 #if defined(MBEDTLS_HAVE_TIME)
-        ssl->session_negotiate->start = mbedtls_time( NULL );
+        ssl->session_negotiate->start = mbedtls_time(NULL);
 #endif
         ssl->session_negotiate->ciphersuite = i;
         ssl->session_negotiate->compression = comp;
         ssl->session_negotiate->id_len = n;
-        memcpy( ssl->session_negotiate->id, buf + 35, n );
-    }
-    else
-    {
+        memcpy(ssl->session_negotiate->id, buf + 35, n);
+    } else {
         ssl->state = MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "%s session has been resumed",
-                   ssl->handshake->resume ? "a" : "no" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("%s session has been resumed",
+                              ssl->handshake->resume ? "a" : "no"));
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %04x", (unsigned) i ) );
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d",
-                                buf[37 + n] ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("server hello, chosen ciphersuite: %04x", (unsigned) i));
+    MBEDTLS_SSL_DEBUG_MSG(3, ("server hello, compress alg.: %d",
+                              buf[37 + n]));
 
     /*
      * Perform cipher suite validation in same way as in ssl_write_client_hello.
      */
     i = 0;
-    while( 1 )
-    {
-        if( ssl->conf->ciphersuite_list[ssl->minor_ver][i] == 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+    while (1) {
+        if (ssl->conf->ciphersuite_list[ssl->minor_ver][i] == 0) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
         }
 
-        if( ssl->conf->ciphersuite_list[ssl->minor_ver][i++] ==
-            ssl->session_negotiate->ciphersuite )
-        {
+        if (ssl->conf->ciphersuite_list[ssl->minor_ver][i++] ==
+            ssl->session_negotiate->ciphersuite) {
             break;
         }
     }
 
     suite_info = mbedtls_ssl_ciphersuite_from_id(
-        ssl->session_negotiate->ciphersuite );
-    if( ssl_validate_ciphersuite( suite_info, ssl, ssl->minor_ver,
-                                  ssl->minor_ver ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        ssl->session_negotiate->ciphersuite);
+    if (ssl_validate_ciphersuite(suite_info, ssl, ssl->minor_ver,
+                                 ssl->minor_ver) != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3,
-        ( "server hello, chosen ciphersuite: %s", suite_info->name ) );
+    MBEDTLS_SSL_DEBUG_MSG(3,
+                          ("server hello, chosen ciphersuite: %s", suite_info->name));
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-    if( suite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA &&
-        ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 )
-    {
+    if (suite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA &&
+        ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3) {
         ssl->handshake->ecrs_enabled = 1;
     }
 #endif
 
-    if( comp != MBEDTLS_SSL_COMPRESS_NULL
+    if (comp != MBEDTLS_SSL_COMPRESS_NULL
 #if defined(MBEDTLS_ZLIB_SUPPORT)
         && comp != MBEDTLS_SSL_COMPRESS_DEFLATE
 #endif
-      )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        ) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
     ssl->session_negotiate->compression = comp;
 
     ext = buf + 40 + n;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2,
-        ( "server hello, total extension length: %" MBEDTLS_PRINTF_SIZET, ext_len ) );
+    MBEDTLS_SSL_DEBUG_MSG(2,
+                          ("server hello, total extension length: %" MBEDTLS_PRINTF_SIZET,
+                           ext_len));
 
-    while( ext_len )
-    {
-        unsigned int ext_id   = ( ( ext[0] <<  8 )
-                                | ( ext[1]       ) );
-        unsigned int ext_size = ( ( ext[2] <<  8 )
-                                | ( ext[3]       ) );
+    while (ext_len) {
+        unsigned int ext_id   = ((ext[0] <<  8)
+                                 | (ext[1]));
+        unsigned int ext_size = ((ext[2] <<  8)
+                                 | (ext[3]));
 
-        if( ext_size + 4 > ext_len )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        if (ext_size + 4 > ext_len) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
             mbedtls_ssl_send_alert_message(
                 ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
         }
 
-        switch( ext_id )
-        {
-        case MBEDTLS_TLS_EXT_RENEGOTIATION_INFO:
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found renegotiation extension" ) );
+        switch (ext_id) {
+            case MBEDTLS_TLS_EXT_RENEGOTIATION_INFO:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found renegotiation extension"));
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-            renegotiation_info_seen = 1;
+                renegotiation_info_seen = 1;
 #endif
 
-            if( ( ret = ssl_parse_renegotiation_info( ssl, ext + 4,
-                                                      ext_size ) ) != 0 )
-                return( ret );
+                if ((ret = ssl_parse_renegotiation_info(ssl, ext + 4,
+                                                        ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-        case MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH:
-            MBEDTLS_SSL_DEBUG_MSG( 3,
-                ( "found max_fragment_length extension" ) );
+            case MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH:
+                MBEDTLS_SSL_DEBUG_MSG(3,
+                                      ("found max_fragment_length extension"));
 
-            if( ( ret = ssl_parse_max_fragment_length_ext( ssl,
-                            ext + 4, ext_size ) ) != 0 )
-            {
-                return( ret );
-            }
+                if ((ret = ssl_parse_max_fragment_length_ext(ssl,
+                                                             ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
-        case MBEDTLS_TLS_EXT_TRUNCATED_HMAC:
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found truncated_hmac extension" ) );
+            case MBEDTLS_TLS_EXT_TRUNCATED_HMAC:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found truncated_hmac extension"));
 
-            if( ( ret = ssl_parse_truncated_hmac_ext( ssl,
-                            ext + 4, ext_size ) ) != 0 )
-            {
-                return( ret );
-            }
+                if ((ret = ssl_parse_truncated_hmac_ext(ssl,
+                                                        ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-        case MBEDTLS_TLS_EXT_CID:
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found CID extension" ) );
+            case MBEDTLS_TLS_EXT_CID:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found CID extension"));
 
-            if( ( ret = ssl_parse_cid_ext( ssl,
-                                           ext + 4,
-                                           ext_size ) ) != 0 )
-            {
-                return( ret );
-            }
+                if ((ret = ssl_parse_cid_ext(ssl,
+                                             ext + 4,
+                                             ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-        case MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC:
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found encrypt_then_mac extension" ) );
+            case MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found encrypt_then_mac extension"));
 
-            if( ( ret = ssl_parse_encrypt_then_mac_ext( ssl,
-                            ext + 4, ext_size ) ) != 0 )
-            {
-                return( ret );
-            }
+                if ((ret = ssl_parse_encrypt_then_mac_ext(ssl,
+                                                          ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
 
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-        case MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET:
-            MBEDTLS_SSL_DEBUG_MSG( 3,
-                ( "found extended_master_secret extension" ) );
+            case MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET:
+                MBEDTLS_SSL_DEBUG_MSG(3,
+                                      ("found extended_master_secret extension"));
 
-            if( ( ret = ssl_parse_extended_ms_ext( ssl,
-                            ext + 4, ext_size ) ) != 0 )
-            {
-                return( ret );
-            }
+                if ((ret = ssl_parse_extended_ms_ext(ssl,
+                                                     ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
-        case MBEDTLS_TLS_EXT_SESSION_TICKET:
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found session_ticket extension" ) );
+            case MBEDTLS_TLS_EXT_SESSION_TICKET:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found session_ticket extension"));
 
-            if( ( ret = ssl_parse_session_ticket_ext( ssl,
-                            ext + 4, ext_size ) ) != 0 )
-            {
-                return( ret );
-            }
+                if ((ret = ssl_parse_session_ticket_ext(ssl,
+                                                        ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
-    defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-        case MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS:
-            MBEDTLS_SSL_DEBUG_MSG( 3,
-                ( "found supported_point_formats extension" ) );
+                defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+            case MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS:
+                MBEDTLS_SSL_DEBUG_MSG(3,
+                                      ("found supported_point_formats extension"));
 
-            if( ( ret = ssl_parse_supported_point_formats_ext( ssl,
-                            ext + 4, ext_size ) ) != 0 )
-            {
-                return( ret );
-            }
+                if ((ret = ssl_parse_supported_point_formats_ext(ssl,
+                                                                 ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
           MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-        case MBEDTLS_TLS_EXT_ECJPAKE_KKPP:
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found ecjpake_kkpp extension" ) );
+            case MBEDTLS_TLS_EXT_ECJPAKE_KKPP:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found ecjpake_kkpp extension"));
 
-            if( ( ret = ssl_parse_ecjpake_kkpp( ssl,
-                            ext + 4, ext_size ) ) != 0 )
-            {
-                return( ret );
-            }
+                if ((ret = ssl_parse_ecjpake_kkpp(ssl,
+                                                  ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
 #if defined(MBEDTLS_SSL_ALPN)
-        case MBEDTLS_TLS_EXT_ALPN:
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found alpn extension" ) );
+            case MBEDTLS_TLS_EXT_ALPN:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found alpn extension"));
 
-            if( ( ret = ssl_parse_alpn_ext( ssl, ext + 4, ext_size ) ) != 0 )
-                return( ret );
+                if ((ret = ssl_parse_alpn_ext(ssl, ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_SSL_ALPN */
 
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
-        case MBEDTLS_TLS_EXT_USE_SRTP:
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found use_srtp extension" ) );
+            case MBEDTLS_TLS_EXT_USE_SRTP:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found use_srtp extension"));
 
-            if( ( ret = ssl_parse_use_srtp_ext( ssl, ext + 4, ext_size ) ) != 0 )
-                return( ret );
+                if ((ret = ssl_parse_use_srtp_ext(ssl, ext + 4, ext_size)) != 0) {
+                    return ret;
+                }
 
-            break;
+                break;
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
-        default:
-            MBEDTLS_SSL_DEBUG_MSG( 3,
-                ( "unknown extension found: %u (ignoring)", ext_id ) );
+            default:
+                MBEDTLS_SSL_DEBUG_MSG(3,
+                                      ("unknown extension found: %u (ignoring)", ext_id));
         }
 
         ext_len -= 4 + ext_size;
         ext += 4 + ext_size;
 
-        if( ext_len > 0 && ext_len < 4 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+        if (ext_len > 0 && ext_len < 4) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
         }
     }
 
@@ -2565,77 +2474,68 @@
      * extensions. It sets the transform data for the resumed session which in
      * case of DTLS includes the server CID extracted from the CID extension.
      */
-    if( ssl->handshake->resume )
-    {
-        if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret );
+    if (ssl->handshake->resume) {
+        if ((ret = mbedtls_ssl_derive_keys(ssl)) != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_derive_keys", ret);
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR );
-            return( ret );
+                MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR);
+            return ret;
         }
     }
 
     /*
      * Renegotiation security checks
      */
-    if( ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
+    if (ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
         ssl->conf->allow_legacy_renegotiation ==
-        MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "legacy renegotiation, breaking off handshake" ) );
+        MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("legacy renegotiation, breaking off handshake"));
         handshake_failure = 1;
     }
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
-    else if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
+    else if (ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
              ssl->secure_renegotiation == MBEDTLS_SSL_SECURE_RENEGOTIATION &&
-             renegotiation_info_seen == 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "renegotiation_info extension missing (secure)" ) );
+             renegotiation_info_seen == 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("renegotiation_info extension missing (secure)"));
         handshake_failure = 1;
-    }
-    else if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
-             ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
-             ssl->conf->allow_legacy_renegotiation ==
-             MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "legacy renegotiation not allowed" ) );
+    } else if (ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
+               ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
+               ssl->conf->allow_legacy_renegotiation ==
+               MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("legacy renegotiation not allowed"));
         handshake_failure = 1;
-    }
-    else if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
-             ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
-             renegotiation_info_seen == 1 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "renegotiation_info extension present (legacy)" ) );
+    } else if (ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
+               ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
+               renegotiation_info_seen == 1) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("renegotiation_info extension present (legacy)"));
         handshake_failure = 1;
     }
 #endif /* MBEDTLS_SSL_RENEGOTIATION */
 
-    if( handshake_failure == 1 )
-    {
+    if (handshake_failure == 1) {
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server hello" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= parse server hello"));
 
-    return( 0 );
+    return 0;
 }
 
 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
     defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_server_dh_params( mbedtls_ssl_context *ssl,
-                                       unsigned char **p,
-                                       unsigned char *end )
+static int ssl_parse_server_dh_params(mbedtls_ssl_context *ssl,
+                                      unsigned char **p,
+                                      unsigned char *end)
 {
     int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
     size_t dhm_actual_bitlen;
@@ -2649,27 +2549,25 @@
      *     opaque dh_Ys<1..2^16-1>;
      * } ServerDHParams;
      */
-    if( ( ret = mbedtls_dhm_read_params( &ssl->handshake->dhm_ctx,
-                                         p, end ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 2, ( "mbedtls_dhm_read_params" ), ret );
-        return( ret );
+    if ((ret = mbedtls_dhm_read_params(&ssl->handshake->dhm_ctx,
+                                       p, end)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(2, ("mbedtls_dhm_read_params"), ret);
+        return ret;
     }
 
-    dhm_actual_bitlen = mbedtls_mpi_bitlen( &ssl->handshake->dhm_ctx.P );
-    if( dhm_actual_bitlen < ssl->conf->dhm_min_bitlen )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "DHM prime too short: %" MBEDTLS_PRINTF_SIZET " < %u",
-                                    dhm_actual_bitlen,
-                                    ssl->conf->dhm_min_bitlen ) );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    dhm_actual_bitlen = mbedtls_mpi_bitlen(&ssl->handshake->dhm_ctx.P);
+    if (dhm_actual_bitlen < ssl->conf->dhm_min_bitlen) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("DHM prime too short: %" MBEDTLS_PRINTF_SIZET " < %u",
+                                  dhm_actual_bitlen,
+                                  ssl->conf->dhm_min_bitlen));
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
     }
 
-    MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: P ", &ssl->handshake->dhm_ctx.P  );
-    MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: G ", &ssl->handshake->dhm_ctx.G  );
-    MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: GY", &ssl->handshake->dhm_ctx.GY );
+    MBEDTLS_SSL_DEBUG_MPI(3, "DHM: P ", &ssl->handshake->dhm_ctx.P);
+    MBEDTLS_SSL_DEBUG_MPI(3, "DHM: G ", &ssl->handshake->dhm_ctx.G);
+    MBEDTLS_SSL_DEBUG_MPI(3, "DHM: GY", &ssl->handshake->dhm_ctx.GY);
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
@@ -2680,7 +2578,7 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
     defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_check_server_ecdh_params( const mbedtls_ssl_context *ssl )
+static int ssl_check_server_ecdh_params(const mbedtls_ssl_context *ssl)
 {
     const mbedtls_ecp_curve_info *curve_info;
     mbedtls_ecp_group_id grp_id;
@@ -2690,28 +2588,29 @@
     grp_id = ssl->handshake->ecdh_ctx.grp_id;
 #endif /* MBEDTLS_ECDH_LEGACY_CONTEXT */
 
-    curve_info = mbedtls_ecp_curve_info_from_grp_id( grp_id );
-    if( curve_info == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+    curve_info = mbedtls_ecp_curve_info_from_grp_id(grp_id);
+    if (curve_info == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+        return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDH curve: %s", curve_info->name ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("ECDH curve: %s", curve_info->name));
 
 #if defined(MBEDTLS_ECP_C)
-    if( mbedtls_ssl_check_curve( ssl, grp_id ) != 0 )
-        return( -1 );
+    if (mbedtls_ssl_check_curve(ssl, grp_id) != 0) {
+        return -1;
+    }
 #else
-    if( ssl->handshake->ecdh_ctx.grp.nbits < 163 ||
-        ssl->handshake->ecdh_ctx.grp.nbits > 521 )
-        return( -1 );
+    if (ssl->handshake->ecdh_ctx.grp.nbits < 163 ||
+        ssl->handshake->ecdh_ctx.grp.nbits > 521) {
+        return -1;
+    }
 #endif /* MBEDTLS_ECP_C */
 
-    MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
-                            MBEDTLS_DEBUG_ECDH_QP );
+    MBEDTLS_SSL_DEBUG_ECDH(3, &ssl->handshake->ecdh_ctx,
+                           MBEDTLS_DEBUG_ECDH_QP);
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
@@ -2720,12 +2619,12 @@
           MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) &&                           \
-        ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) )
+    (defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED))
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_server_ecdh_params_psa( mbedtls_ssl_context *ssl,
-                                             unsigned char **p,
-                                             unsigned char *end )
+static int ssl_parse_server_ecdh_params_psa(mbedtls_ssl_context *ssl,
+                                            unsigned char **p,
+                                            unsigned char *end)
 {
     uint16_t tls_id;
     size_t ecdh_bits = 0;
@@ -2736,12 +2635,14 @@
      * Parse ECC group
      */
 
-    if( end - *p < 4 )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if (end - *p < 4) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
+    }
 
     /* First byte is curve_type; only named_curve is handled */
-    if( *(*p)++ != MBEDTLS_ECP_TLS_NAMED_CURVE )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if (*(*p)++ != MBEDTLS_ECP_TLS_NAMED_CURVE) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
+    }
 
     /* Next two bytes are the namedcurve value */
     tls_id = *(*p)++;
@@ -2749,17 +2650,18 @@
     tls_id |= *(*p)++;
 
     /* Check it's a curve we offered */
-    if( mbedtls_ssl_check_curve_tls_id( ssl, tls_id ) != 0 )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if (mbedtls_ssl_check_curve_tls_id(ssl, tls_id) != 0) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
+    }
 
     /* Convert EC group to PSA key type. */
-    if( ( handshake->ecdh_psa_type =
-          mbedtls_psa_parse_tls_ecc_group( tls_id, &ecdh_bits ) ) == 0 )
-    {
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if ((handshake->ecdh_psa_type =
+             mbedtls_psa_parse_tls_ecc_group(tls_id, &ecdh_bits)) == 0) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
     }
-    if( ecdh_bits > 0xffff )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if (ecdh_bits > 0xffff) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
+    }
     handshake->ecdh_bits = (uint16_t) ecdh_bits;
 
     /*
@@ -2767,20 +2669,20 @@
      */
 
     ecpoint_len = *(*p)++;
-    if( (size_t)( end - *p ) < ecpoint_len )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if ((size_t) (end - *p) < ecpoint_len) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
+    }
 
-    if( mbedtls_psa_tls_ecpoint_to_psa_ec(
-                                    *p, ecpoint_len,
-                                    handshake->ecdh_psa_peerkey,
-                                    sizeof( handshake->ecdh_psa_peerkey ),
-                                    &handshake->ecdh_psa_peerkey_len ) != 0 )
-    {
-        return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
+    if (mbedtls_psa_tls_ecpoint_to_psa_ec(
+            *p, ecpoint_len,
+            handshake->ecdh_psa_peerkey,
+            sizeof(handshake->ecdh_psa_peerkey),
+            &handshake->ecdh_psa_peerkey_len) != 0) {
+        return MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
     }
 
     *p += ecpoint_len;
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_USE_PSA_CRYPTO &&
             ( MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
@@ -2790,9 +2692,9 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_server_ecdh_params( mbedtls_ssl_context *ssl,
-                                         unsigned char **p,
-                                         unsigned char *end )
+static int ssl_parse_server_ecdh_params(mbedtls_ssl_context *ssl,
+                                        unsigned char **p,
+                                        unsigned char *end)
 {
     int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
 
@@ -2804,25 +2706,24 @@
      *     ECPoint      public;
      * } ServerECDHParams;
      */
-    if( ( ret = mbedtls_ecdh_read_params( &ssl->handshake->ecdh_ctx,
-                                  (const unsigned char **) p, end ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, ( "mbedtls_ecdh_read_params" ), ret );
+    if ((ret = mbedtls_ecdh_read_params(&ssl->handshake->ecdh_ctx,
+                                        (const unsigned char **) p, end)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, ("mbedtls_ecdh_read_params"), ret);
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-        if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
+        if (ret == MBEDTLS_ERR_ECP_IN_PROGRESS) {
             ret = MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS;
+        }
 #endif
-        return( ret );
+        return ret;
     }
 
-    if( ssl_check_server_ecdh_params( ssl ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "bad server key exchange message (ECDHE curve)" ) );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if (ssl_check_server_ecdh_params(ssl) != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("bad server key exchange message (ECDHE curve)"));
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
     }
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
@@ -2830,9 +2731,9 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_server_psk_hint( mbedtls_ssl_context *ssl,
-                                      unsigned char **p,
-                                      unsigned char *end )
+static int ssl_parse_server_psk_hint(mbedtls_ssl_context *ssl,
+                                     unsigned char **p,
+                                     unsigned char *end)
 {
     int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
     uint16_t  len;
@@ -2843,20 +2744,18 @@
      *
      * opaque psk_identity_hint<0..2^16-1>;
      */
-    if( end - (*p) < 2 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "bad server key exchange message (psk_identity_hint length)" ) );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if (end - (*p) < 2) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("bad server key exchange message (psk_identity_hint length)"));
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
     }
     len = (*p)[0] << 8 | (*p)[1];
     *p += 2;
 
-    if( end - (*p) < len )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "bad server key exchange message (psk_identity_hint length)" ) );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if (end - (*p) < len) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("bad server key exchange message (psk_identity_hint length)"));
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
     }
 
     /*
@@ -2867,7 +2766,7 @@
     *p += len;
     ret = 0;
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
@@ -2877,19 +2776,18 @@
  * Generate a pre-master secret and encrypt it with the server's RSA key
  */
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_encrypted_pms( mbedtls_ssl_context *ssl,
-                                    size_t offset, size_t *olen,
-                                    size_t pms_offset )
+static int ssl_write_encrypted_pms(mbedtls_ssl_context *ssl,
+                                   size_t offset, size_t *olen,
+                                   size_t pms_offset)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t len_bytes = ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 ? 0 : 2;
     unsigned char *p = ssl->handshake->premaster + pms_offset;
-    mbedtls_pk_context * peer_pk;
+    mbedtls_pk_context *peer_pk;
 
-    if( offset + len_bytes > MBEDTLS_SSL_OUT_CONTENT_LEN )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "buffer too small for encrypted pms" ) );
-        return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
+    if (offset + len_bytes > MBEDTLS_SSL_OUT_CONTENT_LEN) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("buffer too small for encrypted pms"));
+        return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL;
     }
 
     /*
@@ -2899,14 +2797,13 @@
      *      opaque random[46];
      *  } PreMasterSecret;
      */
-    mbedtls_ssl_write_version( ssl->conf->max_major_ver,
-                               ssl->conf->max_minor_ver,
-                               ssl->conf->transport, p );
+    mbedtls_ssl_write_version(ssl->conf->max_major_ver,
+                              ssl->conf->max_minor_ver,
+                              ssl->conf->transport, p);
 
-    if( ( ret = ssl->conf->f_rng( ssl->conf->p_rng, p + 2, 46 ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "f_rng", ret );
-        return( ret );
+    if ((ret = ssl->conf->f_rng(ssl->conf->p_rng, p + 2, 46)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "f_rng", ret);
+        return ret;
     }
 
     ssl->handshake->pmslen = 48;
@@ -2914,11 +2811,10 @@
 #if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
     peer_pk = &ssl->handshake->peer_pubkey;
 #else /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
-    if( ssl->session_negotiate->peer_cert == NULL )
-    {
+    if (ssl->session_negotiate->peer_cert == NULL) {
         /* Should never happen */
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+        return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
     }
     peer_pk = &ssl->session_negotiate->peer_cert->pk;
 #endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
@@ -2926,36 +2822,33 @@
     /*
      * Now write it out, encrypted
      */
-    if( ! mbedtls_pk_can_do( peer_pk, MBEDTLS_PK_RSA ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "certificate key type mismatch" ) );
-        return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH );
+    if (!mbedtls_pk_can_do(peer_pk, MBEDTLS_PK_RSA)) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("certificate key type mismatch"));
+        return MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH;
     }
 
-    if( ( ret = mbedtls_pk_encrypt( peer_pk,
-                            p, ssl->handshake->pmslen,
-                            ssl->out_msg + offset + len_bytes, olen,
-                            MBEDTLS_SSL_OUT_CONTENT_LEN - offset - len_bytes,
-                            ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_rsa_pkcs1_encrypt", ret );
-        return( ret );
+    if ((ret = mbedtls_pk_encrypt(peer_pk,
+                                  p, ssl->handshake->pmslen,
+                                  ssl->out_msg + offset + len_bytes, olen,
+                                  MBEDTLS_SSL_OUT_CONTENT_LEN - offset - len_bytes,
+                                  ssl->conf->f_rng, ssl->conf->p_rng)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_rsa_pkcs1_encrypt", ret);
+        return ret;
     }
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1) || defined(MBEDTLS_SSL_PROTO_TLS1_1) || \
     defined(MBEDTLS_SSL_PROTO_TLS1_2)
-    if( len_bytes == 2 )
-    {
-        MBEDTLS_PUT_UINT16_BE( *olen, ssl->out_msg, offset );
+    if (len_bytes == 2) {
+        MBEDTLS_PUT_UINT16_BE(*olen, ssl->out_msg, offset);
         *olen += 2;
     }
 #endif
 
 #if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
     /* We don't need the peer's public key anymore. Free it. */
-    mbedtls_pk_free( peer_pk );
+    mbedtls_pk_free(peer_pk);
 #endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED */
@@ -2965,64 +2858,61 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_signature_algorithm( mbedtls_ssl_context *ssl,
-                                          unsigned char **p,
-                                          unsigned char *end,
-                                          mbedtls_md_type_t *md_alg,
-                                          mbedtls_pk_type_t *pk_alg )
+static int ssl_parse_signature_algorithm(mbedtls_ssl_context *ssl,
+                                         unsigned char **p,
+                                         unsigned char *end,
+                                         mbedtls_md_type_t *md_alg,
+                                         mbedtls_pk_type_t *pk_alg)
 {
     ((void) ssl);
     *md_alg = MBEDTLS_MD_NONE;
     *pk_alg = MBEDTLS_PK_NONE;
 
     /* Only in TLS 1.2 */
-    if( ssl->minor_ver != MBEDTLS_SSL_MINOR_VERSION_3 )
-    {
-        return( 0 );
+    if (ssl->minor_ver != MBEDTLS_SSL_MINOR_VERSION_3) {
+        return 0;
     }
 
-    if( (*p) + 2 > end )
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if ((*p) + 2 > end) {
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
+    }
 
     /*
      * Get hash algorithm
      */
-    if( ( *md_alg = mbedtls_ssl_md_alg_from_hash( (*p)[0] ) )
-        == MBEDTLS_MD_NONE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "Server used unsupported HashAlgorithm %d", *(p)[0] ) );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if ((*md_alg = mbedtls_ssl_md_alg_from_hash((*p)[0]))
+        == MBEDTLS_MD_NONE) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("Server used unsupported HashAlgorithm %d", *(p)[0]));
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
     }
 
     /*
      * Get signature algorithm
      */
-    if( ( *pk_alg = mbedtls_ssl_pk_alg_from_sig( (*p)[1] ) )
-        == MBEDTLS_PK_NONE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "server used unsupported SignatureAlgorithm %d", (*p)[1] ) );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if ((*pk_alg = mbedtls_ssl_pk_alg_from_sig((*p)[1]))
+        == MBEDTLS_PK_NONE) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("server used unsupported SignatureAlgorithm %d", (*p)[1]));
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
     }
 
     /*
      * Check if the hash is acceptable
      */
-    if( mbedtls_ssl_check_sig_hash( ssl, *md_alg ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "server used HashAlgorithm %d that was not offered", *(p)[0] ) );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+    if (mbedtls_ssl_check_sig_hash(ssl, *md_alg) != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("server used HashAlgorithm %d that was not offered", *(p)[0]));
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used SignatureAlgorithm %d",
-                                (*p)[1] ) );
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used HashAlgorithm %d",
-                                (*p)[0] ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("Server used SignatureAlgorithm %d",
+                              (*p)[1]));
+    MBEDTLS_SSL_DEBUG_MSG(2, ("Server used HashAlgorithm %d",
+                              (*p)[0]));
     *p += 2;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
@@ -3032,75 +2922,70 @@
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
     defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_get_ecdh_params_from_cert( mbedtls_ssl_context *ssl )
+static int ssl_get_ecdh_params_from_cert(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     const mbedtls_ecp_keypair *peer_key;
-    mbedtls_pk_context * peer_pk;
+    mbedtls_pk_context *peer_pk;
 
 #if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
     peer_pk = &ssl->handshake->peer_pubkey;
 #else /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
-    if( ssl->session_negotiate->peer_cert == NULL )
-    {
+    if (ssl->session_negotiate->peer_cert == NULL) {
         /* Should never happen */
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+        return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
     }
     peer_pk = &ssl->session_negotiate->peer_cert->pk;
 #endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
 
     /* This is a public key, so it can't be opaque, so can_do() is a good
      * enough check to ensure pk_ec() is safe to use below. */
-    if( ! mbedtls_pk_can_do( peer_pk, MBEDTLS_PK_ECKEY ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "server key not ECDH capable" ) );
-        return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH );
+    if (!mbedtls_pk_can_do(peer_pk, MBEDTLS_PK_ECKEY)) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("server key not ECDH capable"));
+        return MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH;
     }
 
-    peer_key = mbedtls_pk_ec( *peer_pk );
+    peer_key = mbedtls_pk_ec(*peer_pk);
 
-    if( ( ret = mbedtls_ecdh_get_params( &ssl->handshake->ecdh_ctx, peer_key,
-                                 MBEDTLS_ECDH_THEIRS ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, ( "mbedtls_ecdh_get_params" ), ret );
-        return( ret );
+    if ((ret = mbedtls_ecdh_get_params(&ssl->handshake->ecdh_ctx, peer_key,
+                                       MBEDTLS_ECDH_THEIRS)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, ("mbedtls_ecdh_get_params"), ret);
+        return ret;
     }
 
-    if( ssl_check_server_ecdh_params( ssl ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server certificate (ECDH curve)" ) );
-        return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE );
+    if (ssl_check_server_ecdh_params(ssl) != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server certificate (ECDH curve)"));
+        return MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE;
     }
 
 #if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
     /* We don't need the peer's public key anymore. Free it,
      * so that more RAM is available for upcoming expensive
      * operations like ECDHE. */
-    mbedtls_pk_free( peer_pk );
+    mbedtls_pk_free(peer_pk);
 #endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||
           MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
 
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
+static int ssl_parse_server_key_exchange(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     const mbedtls_ssl_ciphersuite_t *ciphersuite_info =
         ssl->handshake->ciphersuite_info;
     unsigned char *p = NULL, *end = NULL;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse server key exchange" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> parse server key exchange"));
 
 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse server key exchange" ) );
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA) {
+        MBEDTLS_SSL_DEBUG_MSG(2, ("<= skip parse server key exchange"));
         ssl->state++;
-        return( 0 );
+        return 0;
     }
     ((void) p);
     ((void) end);
@@ -3108,22 +2993,20 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
     defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
-    {
-        if( ( ret = ssl_get_ecdh_params_from_cert( ssl ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "ssl_get_ecdh_params_from_cert", ret );
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA) {
+        if ((ret = ssl_get_ecdh_params_from_cert(ssl)) != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "ssl_get_ecdh_params_from_cert", ret);
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-            return( ret );
+                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+            return ret;
         }
 
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse server key exchange" ) );
+        MBEDTLS_SSL_DEBUG_MSG(2, ("<= skip parse server key exchange"));
         ssl->state++;
-        return( 0 );
+        return 0;
     }
     ((void) p);
     ((void) end);
@@ -3131,174 +3014,155 @@
           MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-    if( ssl->handshake->ecrs_enabled &&
-        ssl->handshake->ecrs_state == ssl_ecrs_ske_start_processing )
-    {
+    if (ssl->handshake->ecrs_enabled &&
+        ssl->handshake->ecrs_state == ssl_ecrs_ske_start_processing) {
         goto start_processing;
     }
 #endif
 
-    if( ( ret = mbedtls_ssl_read_record( ssl, 1 ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_read_record(ssl, 1)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_read_record", ret);
+        return ret;
     }
 
-    if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+    if (ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server key exchange message"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE );
-        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
+            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE);
+        return MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
     }
 
     /*
      * ServerKeyExchange may be skipped with PSK and RSA-PSK when the server
      * doesn't use a psk_identity_hint
      */
-    if( ssl->in_msg[0] != MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE )
-    {
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
-            ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK )
-        {
+    if (ssl->in_msg[0] != MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE) {
+        if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+            ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK) {
             /* Current message is probably either
              * CertificateRequest or ServerHelloDone */
             ssl->keep_current_message = 1;
             goto exit;
         }
 
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "server key exchange message must not be skipped" ) );
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("server key exchange message must not be skipped"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE );
+            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE);
 
-        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
+        return MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
     }
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-    if( ssl->handshake->ecrs_enabled )
+    if (ssl->handshake->ecrs_enabled) {
         ssl->handshake->ecrs_state = ssl_ecrs_ske_start_processing;
+    }
 
 start_processing:
 #endif
-    p   = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
+    p   = ssl->in_msg + mbedtls_ssl_hs_hdr_len(ssl);
     end = ssl->in_msg + ssl->in_hslen;
-    MBEDTLS_SSL_DEBUG_BUF( 3,   "server key exchange", p, end - p );
+    MBEDTLS_SSL_DEBUG_BUF(3,   "server key exchange", p, end - p);
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
-    {
-        if( ssl_parse_server_psk_hint( ssl, &p, end ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK) {
+        if (ssl_parse_server_psk_hint(ssl, &p, end) != 0) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server key exchange message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
         }
     } /* FALLTHROUGH */
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) ||                       \
     defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK )
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK) {
         ; /* nothing more to do */
-    else
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_PSK_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED */
 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
     defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK )
-    {
-        if( ssl_parse_server_dh_params( ssl, &p, end ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK) {
+        if (ssl_parse_server_dh_params(ssl, &p, end) != 0) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server key exchange message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
 #if defined(MBEDTLS_USE_PSA_CRYPTO) &&                           \
-        ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) )
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA )
-    {
-        if( ssl_parse_server_ecdh_params_psa( ssl, &p, end ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+    (defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED))
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA) {
+        if (ssl_parse_server_ecdh_params_psa(ssl, &p, end) != 0) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server key exchange message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_USE_PSA_CRYPTO &&
             ( MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
               MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ) */
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA )
-    {
-        if( ssl_parse_server_ecdh_params( ssl, &p, end ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA) {
+        if (ssl_parse_server_ecdh_params(ssl, &p, end) != 0) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server key exchange message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
-    {
-        ret = mbedtls_ecjpake_read_round_two( &ssl->handshake->ecjpake_ctx,
-                                              p, end - p );
-        if( ret != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecjpake_read_round_two", ret );
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE) {
+        ret = mbedtls_ecjpake_read_round_two(&ssl->handshake->ecjpake_ctx,
+                                             p, end - p);
+        if (ret != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ecjpake_read_round_two", ret);
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
     {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+        return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
     }
 
 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_SERVER_SIGNATURE_ENABLED)
-    if( mbedtls_ssl_ciphersuite_uses_server_signature( ciphersuite_info ) )
-    {
+    if (mbedtls_ssl_ciphersuite_uses_server_signature(ciphersuite_info)) {
         size_t sig_len, hashlen;
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
         unsigned char hash[PSA_HASH_MAX_SIZE];
@@ -3307,133 +3171,123 @@
 #endif
         mbedtls_md_type_t md_alg = MBEDTLS_MD_NONE;
         mbedtls_pk_type_t pk_alg = MBEDTLS_PK_NONE;
-        unsigned char *params = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
+        unsigned char *params = ssl->in_msg + mbedtls_ssl_hs_hdr_len(ssl);
         size_t params_len = p - params;
         void *rs_ctx = NULL;
 
-        mbedtls_pk_context * peer_pk;
+        mbedtls_pk_context *peer_pk;
 
         /*
          * Handle the digitally-signed structure
          */
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-        if( ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 )
-        {
-            if( ssl_parse_signature_algorithm( ssl, &p, end,
-                                               &md_alg, &pk_alg ) != 0 )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1,
-                    ( "bad server key exchange message" ) );
+        if (ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3) {
+            if (ssl_parse_signature_algorithm(ssl, &p, end,
+                                              &md_alg, &pk_alg) != 0) {
+                MBEDTLS_SSL_DEBUG_MSG(1,
+                                      ("bad server key exchange message"));
                 mbedtls_ssl_send_alert_message(
                     ssl,
                     MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                    MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-                return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                    MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+                return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
             }
 
-            if( pk_alg !=
-                mbedtls_ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info ) )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1,
-                    ( "bad server key exchange message" ) );
+            if (pk_alg !=
+                mbedtls_ssl_get_ciphersuite_sig_pk_alg(ciphersuite_info)) {
+                MBEDTLS_SSL_DEBUG_MSG(1,
+                                      ("bad server key exchange message"));
                 mbedtls_ssl_send_alert_message(
                     ssl,
                     MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                    MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-                return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                    MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+                return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
             }
-        }
-        else
+        } else
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 #if defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) || \
-    defined(MBEDTLS_SSL_PROTO_TLS1_1)
-        if( ssl->minor_ver < MBEDTLS_SSL_MINOR_VERSION_3 )
-        {
-            pk_alg = mbedtls_ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info );
+        defined(MBEDTLS_SSL_PROTO_TLS1_1)
+        if (ssl->minor_ver < MBEDTLS_SSL_MINOR_VERSION_3) {
+            pk_alg = mbedtls_ssl_get_ciphersuite_sig_pk_alg(ciphersuite_info);
 
             /* Default hash for ECDSA is SHA-1 */
-            if( pk_alg == MBEDTLS_PK_ECDSA && md_alg == MBEDTLS_MD_NONE )
+            if (pk_alg == MBEDTLS_PK_ECDSA && md_alg == MBEDTLS_MD_NONE) {
                 md_alg = MBEDTLS_MD_SHA1;
-        }
-        else
+            }
+        } else
 #endif
         {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+            MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+            return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
         }
 
         /*
          * Read signature
          */
 
-        if( p > end - 2 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+        if (p > end - 2) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server key exchange message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
         }
-        sig_len = ( p[0] << 8 ) | p[1];
+        sig_len = (p[0] << 8) | p[1];
         p += 2;
 
-        if( p != end - sig_len )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+        if (p != end - sig_len) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server key exchange message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE;
         }
 
-        MBEDTLS_SSL_DEBUG_BUF( 3, "signature", p, sig_len );
+        MBEDTLS_SSL_DEBUG_BUF(3, "signature", p, sig_len);
 
         /*
          * Compute the hash that has been signed
          */
 #if defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) || \
-    defined(MBEDTLS_SSL_PROTO_TLS1_1)
-        if( md_alg == MBEDTLS_MD_NONE )
-        {
+        defined(MBEDTLS_SSL_PROTO_TLS1_1)
+        if (md_alg == MBEDTLS_MD_NONE) {
             hashlen = 36;
-            ret = mbedtls_ssl_get_key_exchange_md_ssl_tls( ssl, hash, params,
-                                                           params_len );
-            if( ret != 0 )
-                return( ret );
-        }
-        else
+            ret = mbedtls_ssl_get_key_exchange_md_ssl_tls(ssl, hash, params,
+                                                          params_len);
+            if (ret != 0) {
+                return ret;
+            }
+        } else
 #endif /* MBEDTLS_SSL_PROTO_SSL3 || MBEDTLS_SSL_PROTO_TLS1 || \
           MBEDTLS_SSL_PROTO_TLS1_1 */
 #if defined(MBEDTLS_SSL_PROTO_TLS1) || defined(MBEDTLS_SSL_PROTO_TLS1_1) || \
-    defined(MBEDTLS_SSL_PROTO_TLS1_2)
-        if( md_alg != MBEDTLS_MD_NONE )
-        {
-            ret = mbedtls_ssl_get_key_exchange_md_tls1_2( ssl, hash, &hashlen,
-                                                          params, params_len,
-                                                          md_alg );
-            if( ret != 0 )
-                return( ret );
-        }
-        else
+        defined(MBEDTLS_SSL_PROTO_TLS1_2)
+        if (md_alg != MBEDTLS_MD_NONE) {
+            ret = mbedtls_ssl_get_key_exchange_md_tls1_2(ssl, hash, &hashlen,
+                                                         params, params_len,
+                                                         md_alg);
+            if (ret != 0) {
+                return ret;
+            }
+        } else
 #endif /* MBEDTLS_SSL_PROTO_TLS1 || MBEDTLS_SSL_PROTO_TLS1_1 || \
           MBEDTLS_SSL_PROTO_TLS1_2 */
         {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+            MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+            return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
         }
 
-        MBEDTLS_SSL_DEBUG_BUF( 3, "parameters hash", hash, hashlen );
+        MBEDTLS_SSL_DEBUG_BUF(3, "parameters hash", hash, hashlen);
 
 #if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
         peer_pk = &ssl->handshake->peer_pubkey;
 #else /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
-        if( ssl->session_negotiate->peer_cert == NULL )
-        {
+        if (ssl->session_negotiate->peer_cert == NULL) {
             /* Should never happen */
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+            MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+            return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
         }
         peer_pk = &ssl->session_negotiate->peer_cert->pk;
 #endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
@@ -3441,44 +3295,42 @@
         /*
          * Verify signature
          */
-        if( !mbedtls_pk_can_do( peer_pk, pk_alg ) )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+        if (!mbedtls_pk_can_do(peer_pk, pk_alg)) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server key exchange message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-            return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH );
+                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+            return MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH;
         }
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-        if( ssl->handshake->ecrs_enabled )
+        if (ssl->handshake->ecrs_enabled) {
             rs_ctx = &ssl->handshake->ecrs_ctx.pk;
+        }
 #endif /* MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED */
 
-        if( ( ret = mbedtls_pk_verify_restartable( peer_pk,
-                        md_alg, hash, hashlen, p, sig_len, rs_ctx ) ) != 0 )
-        {
+        if ((ret = mbedtls_pk_verify_restartable(peer_pk,
+                                                 md_alg, hash, hashlen, p, sig_len, rs_ctx)) != 0) {
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-            if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
-            {
-                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_pk_verify", ret );
-                return( MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS );
+            if (ret == MBEDTLS_ERR_ECP_IN_PROGRESS) {
+                MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_pk_verify", ret);
+                return MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS;
             }
 #endif /* MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED */
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR );
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_pk_verify", ret );
-            return( ret );
+                MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR);
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_pk_verify", ret);
+            return ret;
         }
 
 #if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
         /* We don't need the peer's public key anymore. Free it,
          * so that more RAM is available for upcoming expensive
          * operations like ECDHE. */
-        mbedtls_pk_free( peer_pk );
+        mbedtls_pk_free(peer_pk);
 #endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
     }
 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_SERVER_SIGNATURE_ENABLED */
@@ -3486,33 +3338,32 @@
 exit:
     ssl->state++;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server key exchange" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= parse server key exchange"));
 
-    return( 0 );
+    return 0;
 }
 
-#if ! defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
+#if !defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
+static int ssl_parse_certificate_request(mbedtls_ssl_context *ssl)
 {
     const mbedtls_ssl_ciphersuite_t *ciphersuite_info =
         ssl->handshake->ciphersuite_info;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse certificate request" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> parse certificate request"));
 
-    if( ! mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate request" ) );
+    if (!mbedtls_ssl_ciphersuite_cert_req_allowed(ciphersuite_info)) {
+        MBEDTLS_SSL_DEBUG_MSG(2, ("<= skip parse certificate request"));
         ssl->state++;
-        return( 0 );
+        return 0;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-    return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+    MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+    return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
 }
 #else /* MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED */
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
+static int ssl_parse_certificate_request(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char *buf;
@@ -3521,39 +3372,35 @@
     const mbedtls_ssl_ciphersuite_t *ciphersuite_info =
         ssl->handshake->ciphersuite_info;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse certificate request" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> parse certificate request"));
 
-    if( ! mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate request" ) );
+    if (!mbedtls_ssl_ciphersuite_cert_req_allowed(ciphersuite_info)) {
+        MBEDTLS_SSL_DEBUG_MSG(2, ("<= skip parse certificate request"));
         ssl->state++;
-        return( 0 );
+        return 0;
     }
 
-    if( ( ret = mbedtls_ssl_read_record( ssl, 1 ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_read_record(ssl, 1)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_read_record", ret);
+        return ret;
     }
 
-    if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+    if (ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad certificate request message"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE );
-        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
+            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE);
+        return MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
     }
 
     ssl->state++;
-    ssl->client_auth = ( ssl->in_msg[0] == MBEDTLS_SSL_HS_CERTIFICATE_REQUEST );
+    ssl->client_auth = (ssl->in_msg[0] == MBEDTLS_SSL_HS_CERTIFICATE_REQUEST);
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "got %s certificate request",
-                        ssl->client_auth ? "a" : "no" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("got %s certificate request",
+                              ssl->client_auth ? "a" : "no"));
 
-    if( ssl->client_auth == 0 )
-    {
+    if (ssl->client_auth == 0) {
         /* Current message is probably the ServerHelloDone */
         ssl->keep_current_message = 1;
         goto exit;
@@ -3586,14 +3433,13 @@
     buf = ssl->in_msg;
 
     /* certificate_types */
-    if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+    if (ssl->in_hslen <= mbedtls_ssl_hs_hdr_len(ssl)) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad certificate request message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST;
     }
-    cert_type_len = buf[mbedtls_ssl_hs_hdr_len( ssl )];
+    cert_type_len = buf[mbedtls_ssl_hs_hdr_len(ssl)];
     n = cert_type_len;
 
     /*
@@ -3606,23 +3452,21 @@
      * therefore the buffer length at this point must be greater than that
      * regardless of the actual code path.
      */
-    if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+    if (ssl->in_hslen <= mbedtls_ssl_hs_hdr_len(ssl) + 2 + n) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad certificate request message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST;
     }
 
     /* supported_signature_algorithms */
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-    if( ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 )
-    {
+    if (ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3) {
         size_t sig_alg_len =
-            ( ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 1 + n] <<  8 )
-              | ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n]   ) );
+            ((buf[mbedtls_ssl_hs_hdr_len(ssl) + 1 + n] <<  8)
+             | (buf[mbedtls_ssl_hs_hdr_len(ssl) + 2 + n]));
 #if defined(MBEDTLS_DEBUG_C)
-        unsigned char* sig_alg;
+        unsigned char *sig_alg;
         size_t i;
 #endif
 
@@ -3638,24 +3482,22 @@
          *     buf[...hdr_len + 3 + n + sig_alg_len],
          * which is one less than we need the buf to be.
          */
-        if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl )
-                                + 3 + n + sig_alg_len )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+        if (ssl->in_hslen <= mbedtls_ssl_hs_hdr_len(ssl)
+            + 3 + n + sig_alg_len) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad certificate request message"));
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-            return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST;
         }
 
 #if defined(MBEDTLS_DEBUG_C)
-        sig_alg = buf + mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n;
-        for( i = 0; i < sig_alg_len; i += 2 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 3,
-                ( "Supported Signature Algorithm found: %d,%d",
-                  sig_alg[i], sig_alg[i + 1]  ) );
+        sig_alg = buf + mbedtls_ssl_hs_hdr_len(ssl) + 3 + n;
+        for (i = 0; i < sig_alg_len; i += 2) {
+            MBEDTLS_SSL_DEBUG_MSG(3,
+                                  ("Supported Signature Algorithm found: %d,%d",
+                                   sig_alg[i], sig_alg[i + 1]));
         }
 #endif
 
@@ -3664,67 +3506,64 @@
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
     /* certificate_authorities */
-    dn_len = ( ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 1 + n] <<  8 )
-             | ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n]       ) );
+    dn_len = ((buf[mbedtls_ssl_hs_hdr_len(ssl) + 1 + n] <<  8)
+              | (buf[mbedtls_ssl_hs_hdr_len(ssl) + 2 + n]));
 
     n += dn_len;
-    if( ssl->in_hslen != mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+    if (ssl->in_hslen != mbedtls_ssl_hs_hdr_len(ssl) + 3 + n) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad certificate request message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST;
     }
 
 exit:
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse certificate request" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= parse certificate request"));
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED */
 
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_server_hello_done( mbedtls_ssl_context *ssl )
+static int ssl_parse_server_hello_done(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse server hello done" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> parse server hello done"));
 
-    if( ( ret = mbedtls_ssl_read_record( ssl, 1 ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_read_record(ssl, 1)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_read_record", ret);
+        return ret;
     }
 
-    if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello done message" ) );
-        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
+    if (ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello done message"));
+        return MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
     }
 
-    if( ssl->in_hslen  != mbedtls_ssl_hs_hdr_len( ssl ) ||
-        ssl->in_msg[0] != MBEDTLS_SSL_HS_SERVER_HELLO_DONE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello done message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE );
+    if (ssl->in_hslen  != mbedtls_ssl_hs_hdr_len(ssl) ||
+        ssl->in_msg[0] != MBEDTLS_SSL_HS_SERVER_HELLO_DONE) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello done message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE;
     }
 
     ssl->state++;
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-        mbedtls_ssl_recv_flight_completed( ssl );
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        mbedtls_ssl_recv_flight_completed(ssl);
+    }
 #endif
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server hello done" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= parse server hello done"));
 
-    return( 0 );
+    return 0;
 }
 
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
+static int ssl_write_client_key_exchange(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
@@ -3733,52 +3572,47 @@
     const mbedtls_ssl_ciphersuite_t *ciphersuite_info =
         ssl->handshake->ciphersuite_info;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write client key exchange" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> write client key exchange"));
 
 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_RSA )
-    {
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_RSA) {
         /*
          * DHM key exchange -- send G^X mod P
          */
         content_len = ssl->handshake->dhm_ctx.len;
 
-        MBEDTLS_PUT_UINT16_BE( content_len, ssl->out_msg, 4 );
+        MBEDTLS_PUT_UINT16_BE(content_len, ssl->out_msg, 4);
         header_len = 6;
 
-        ret = mbedtls_dhm_make_public( &ssl->handshake->dhm_ctx,
-                          (int) mbedtls_mpi_size( &ssl->handshake->dhm_ctx.P ),
-                          &ssl->out_msg[header_len], content_len,
-                          ssl->conf->f_rng, ssl->conf->p_rng );
-        if( ret != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_make_public", ret );
-            return( ret );
+        ret = mbedtls_dhm_make_public(&ssl->handshake->dhm_ctx,
+                                      (int) mbedtls_mpi_size(&ssl->handshake->dhm_ctx.P),
+                                      &ssl->out_msg[header_len], content_len,
+                                      ssl->conf->f_rng, ssl->conf->p_rng);
+        if (ret != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_dhm_make_public", ret);
+            return ret;
         }
 
-        MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: X ", &ssl->handshake->dhm_ctx.X  );
-        MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: GX", &ssl->handshake->dhm_ctx.GX );
+        MBEDTLS_SSL_DEBUG_MPI(3, "DHM: X ", &ssl->handshake->dhm_ctx.X);
+        MBEDTLS_SSL_DEBUG_MPI(3, "DHM: GX", &ssl->handshake->dhm_ctx.GX);
 
-        if( ( ret = mbedtls_dhm_calc_secret( &ssl->handshake->dhm_ctx,
-                                  ssl->handshake->premaster,
-                                  MBEDTLS_PREMASTER_SIZE,
-                                  &ssl->handshake->pmslen,
-                                  ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_calc_secret", ret );
-            return( ret );
+        if ((ret = mbedtls_dhm_calc_secret(&ssl->handshake->dhm_ctx,
+                                           ssl->handshake->premaster,
+                                           MBEDTLS_PREMASTER_SIZE,
+                                           &ssl->handshake->pmslen,
+                                           ssl->conf->f_rng, ssl->conf->p_rng)) != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_dhm_calc_secret", ret);
+            return ret;
         }
 
-        MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->handshake->dhm_ctx.K  );
-    }
-    else
+        MBEDTLS_SSL_DEBUG_MPI(3, "DHM: K ", &ssl->handshake->dhm_ctx.K);
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */
 #if defined(MBEDTLS_USE_PSA_CRYPTO) &&                           \
-        ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) )
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA )
-    {
+    (defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED))
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA) {
         psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_status_t destruction_status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_key_attributes_t key_attributes;
@@ -3792,7 +3626,7 @@
 
         header_len = 4;
 
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "Perform PSA-based ECDH computation." ) );
+        MBEDTLS_SSL_DEBUG_MSG(1, ("Perform PSA-based ECDH computation."));
 
         /*
          * Generate EC private key for ECDHE exchange.
@@ -3806,63 +3640,62 @@
          * For the time being, we therefore need to split the computation
          * of the ECDH secret and the application of the TLS 1.2 PRF. */
         key_attributes = psa_key_attributes_init();
-        psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
-        psa_set_key_algorithm( &key_attributes, PSA_ALG_ECDH );
-        psa_set_key_type( &key_attributes, handshake->ecdh_psa_type );
-        psa_set_key_bits( &key_attributes, handshake->ecdh_bits );
+        psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE);
+        psa_set_key_algorithm(&key_attributes, PSA_ALG_ECDH);
+        psa_set_key_type(&key_attributes, handshake->ecdh_psa_type);
+        psa_set_key_bits(&key_attributes, handshake->ecdh_bits);
 
         /* Generate ECDH private key. */
-        status = psa_generate_key( &key_attributes,
-                                   &handshake->ecdh_psa_privkey );
-        if( status != PSA_SUCCESS )
-            return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
+        status = psa_generate_key(&key_attributes,
+                                  &handshake->ecdh_psa_privkey);
+        if (status != PSA_SUCCESS) {
+            return MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+        }
 
         /* Export the public part of the ECDH private key from PSA
          * and convert it to ECPoint format used in ClientKeyExchange. */
-        status = psa_export_public_key( handshake->ecdh_psa_privkey,
-                                        own_pubkey, sizeof( own_pubkey ),
-                                        &own_pubkey_len );
-        if( status != PSA_SUCCESS )
-        {
-            psa_destroy_key( handshake->ecdh_psa_privkey );
+        status = psa_export_public_key(handshake->ecdh_psa_privkey,
+                                       own_pubkey, sizeof(own_pubkey),
+                                       &own_pubkey_len);
+        if (status != PSA_SUCCESS) {
+            psa_destroy_key(handshake->ecdh_psa_privkey);
             handshake->ecdh_psa_privkey = MBEDTLS_SVC_KEY_ID_INIT;
-            return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
+            return MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
         }
 
-        if( mbedtls_psa_tls_psa_ec_to_ecpoint( own_pubkey,
-                                               own_pubkey_len,
-                                               &own_pubkey_ecpoint,
-                                               &own_pubkey_ecpoint_len ) != 0 )
-        {
-            psa_destroy_key( handshake->ecdh_psa_privkey );
+        if (mbedtls_psa_tls_psa_ec_to_ecpoint(own_pubkey,
+                                              own_pubkey_len,
+                                              &own_pubkey_ecpoint,
+                                              &own_pubkey_ecpoint_len) != 0) {
+            psa_destroy_key(handshake->ecdh_psa_privkey);
             handshake->ecdh_psa_privkey = MBEDTLS_SVC_KEY_ID_INIT;
-            return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
+            return MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
         }
 
         /* Copy ECPoint structure to outgoing message buffer. */
         ssl->out_msg[header_len] = (unsigned char) own_pubkey_ecpoint_len;
-        memcpy( ssl->out_msg + header_len + 1,
-                own_pubkey_ecpoint, own_pubkey_ecpoint_len );
+        memcpy(ssl->out_msg + header_len + 1,
+               own_pubkey_ecpoint, own_pubkey_ecpoint_len);
         content_len = own_pubkey_ecpoint_len + 1;
 
         /* The ECDH secret is the premaster secret used for key derivation. */
 
         /* Compute ECDH shared secret. */
-        status = psa_raw_key_agreement( PSA_ALG_ECDH,
-                                        handshake->ecdh_psa_privkey,
-                                        handshake->ecdh_psa_peerkey,
-                                        handshake->ecdh_psa_peerkey_len,
-                                        ssl->handshake->premaster,
-                                        sizeof( ssl->handshake->premaster ),
-                                        &ssl->handshake->pmslen );
+        status = psa_raw_key_agreement(PSA_ALG_ECDH,
+                                       handshake->ecdh_psa_privkey,
+                                       handshake->ecdh_psa_peerkey,
+                                       handshake->ecdh_psa_peerkey_len,
+                                       ssl->handshake->premaster,
+                                       sizeof(ssl->handshake->premaster),
+                                       &ssl->handshake->pmslen);
 
-        destruction_status = psa_destroy_key( handshake->ecdh_psa_privkey );
+        destruction_status = psa_destroy_key(handshake->ecdh_psa_privkey);
         handshake->ecdh_psa_privkey = MBEDTLS_SVC_KEY_ID_INIT;
 
-        if( status != PSA_SUCCESS || destruction_status != PSA_SUCCESS )
-            return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
-    }
-    else
+        if (status != PSA_SUCCESS || destruction_status != PSA_SUCCESS) {
+            return MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+        }
+    } else
 #endif /* MBEDTLS_USE_PSA_CRYPTO &&
             ( MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
               MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ) */
@@ -3870,142 +3703,131 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
     defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
     defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
-    {
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA) {
         /*
          * ECDH key exchange -- send client public value
          */
         header_len = 4;
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-        if( ssl->handshake->ecrs_enabled )
-        {
-            if( ssl->handshake->ecrs_state == ssl_ecrs_cke_ecdh_calc_secret )
+        if (ssl->handshake->ecrs_enabled) {
+            if (ssl->handshake->ecrs_state == ssl_ecrs_cke_ecdh_calc_secret) {
                 goto ecdh_calc_secret;
+            }
 
-            mbedtls_ecdh_enable_restart( &ssl->handshake->ecdh_ctx );
+            mbedtls_ecdh_enable_restart(&ssl->handshake->ecdh_ctx);
         }
 #endif
 
-        ret = mbedtls_ecdh_make_public( &ssl->handshake->ecdh_ctx,
-                                &content_len,
-                                &ssl->out_msg[header_len], 1000,
-                                ssl->conf->f_rng, ssl->conf->p_rng );
-        if( ret != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_make_public", ret );
+        ret = mbedtls_ecdh_make_public(&ssl->handshake->ecdh_ctx,
+                                       &content_len,
+                                       &ssl->out_msg[header_len], 1000,
+                                       ssl->conf->f_rng, ssl->conf->p_rng);
+        if (ret != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ecdh_make_public", ret);
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-            if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
+            if (ret == MBEDTLS_ERR_ECP_IN_PROGRESS) {
                 ret = MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS;
+            }
 #endif
-            return( ret );
+            return ret;
         }
 
-        MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
-                                MBEDTLS_DEBUG_ECDH_Q );
+        MBEDTLS_SSL_DEBUG_ECDH(3, &ssl->handshake->ecdh_ctx,
+                               MBEDTLS_DEBUG_ECDH_Q);
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-        if( ssl->handshake->ecrs_enabled )
-        {
+        if (ssl->handshake->ecrs_enabled) {
             ssl->handshake->ecrs_n = content_len;
             ssl->handshake->ecrs_state = ssl_ecrs_cke_ecdh_calc_secret;
         }
 
 ecdh_calc_secret:
-        if( ssl->handshake->ecrs_enabled )
+        if (ssl->handshake->ecrs_enabled) {
             content_len = ssl->handshake->ecrs_n;
+        }
 #endif
-        if( ( ret = mbedtls_ecdh_calc_secret( &ssl->handshake->ecdh_ctx,
-                                  &ssl->handshake->pmslen,
-                                  ssl->handshake->premaster,
-                                  MBEDTLS_MPI_MAX_SIZE,
-                                  ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_calc_secret", ret );
+        if ((ret = mbedtls_ecdh_calc_secret(&ssl->handshake->ecdh_ctx,
+                                            &ssl->handshake->pmslen,
+                                            ssl->handshake->premaster,
+                                            MBEDTLS_MPI_MAX_SIZE,
+                                            ssl->conf->f_rng, ssl->conf->p_rng)) != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ecdh_calc_secret", ret);
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-            if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
+            if (ret == MBEDTLS_ERR_ECP_IN_PROGRESS) {
                 ret = MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS;
+            }
 #endif
-            return( ret );
+            return ret;
         }
 
-        MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
-                                MBEDTLS_DEBUG_ECDH_Z );
-    }
-    else
+        MBEDTLS_SSL_DEBUG_ECDH(3, &ssl->handshake->ecdh_ctx,
+                               MBEDTLS_DEBUG_ECDH_Z);
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-    if( mbedtls_ssl_ciphersuite_uses_psk( ciphersuite_info ) )
-    {
+    if (mbedtls_ssl_ciphersuite_uses_psk(ciphersuite_info)) {
         /*
          * opaque psk_identity<0..2^16-1>;
          */
-        if( ssl_conf_has_static_psk( ssl->conf ) == 0 )
-        {
+        if (ssl_conf_has_static_psk(ssl->conf) == 0) {
             /* We don't offer PSK suites if we don't have a PSK,
              * and we check that the server's choice is among the
              * ciphersuites we offered, so this should never happen. */
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+            return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
         }
 
         header_len = 4;
         content_len = ssl->conf->psk_identity_len;
 
-        if( header_len + 2 + content_len > MBEDTLS_SSL_OUT_CONTENT_LEN )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "psk identity too long or SSL buffer too short" ) );
-            return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
+        if (header_len + 2 + content_len > MBEDTLS_SSL_OUT_CONTENT_LEN) {
+            MBEDTLS_SSL_DEBUG_MSG(1,
+                                  ("psk identity too long or SSL buffer too short"));
+            return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL;
         }
 
-        ssl->out_msg[header_len++] = MBEDTLS_BYTE_1( content_len );
-        ssl->out_msg[header_len++] = MBEDTLS_BYTE_0( content_len );
+        ssl->out_msg[header_len++] = MBEDTLS_BYTE_1(content_len);
+        ssl->out_msg[header_len++] = MBEDTLS_BYTE_0(content_len);
 
-        memcpy( ssl->out_msg + header_len,
-                ssl->conf->psk_identity,
-                ssl->conf->psk_identity_len );
+        memcpy(ssl->out_msg + header_len,
+               ssl->conf->psk_identity,
+               ssl->conf->psk_identity_len);
         header_len += ssl->conf->psk_identity_len;
 
 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK )
-        {
+        if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK) {
             content_len = 0;
-        }
-        else
+        } else
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK )
-        {
+        if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
             /* Opaque PSKs are currently only supported for PSK-only suites. */
-            if( ssl_conf_has_static_raw_psk( ssl->conf ) == 0 )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1, ( "opaque PSK not supported with RSA-PSK" ) );
-                return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
+            if (ssl_conf_has_static_raw_psk(ssl->conf) == 0) {
+                MBEDTLS_SSL_DEBUG_MSG(1, ("opaque PSK not supported with RSA-PSK"));
+                return MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
             }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-            if( ( ret = ssl_write_encrypted_pms( ssl, header_len,
-                                                 &content_len, 2 ) ) != 0 )
-                return( ret );
-        }
-        else
+            if ((ret = ssl_write_encrypted_pms(ssl, header_len,
+                                               &content_len, 2)) != 0) {
+                return ret;
+            }
+        } else
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK )
-        {
+        if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
             /* Opaque PSKs are currently only supported for PSK-only suites. */
-            if( ssl_conf_has_static_raw_psk( ssl->conf ) == 0 )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1, ( "opaque PSK not supported with DHE-PSK" ) );
-                return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
+            if (ssl_conf_has_static_raw_psk(ssl->conf) == 0) {
+                MBEDTLS_SSL_DEBUG_MSG(1, ("opaque PSK not supported with DHE-PSK"));
+                return MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
             }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
@@ -4014,128 +3836,112 @@
              */
             content_len = ssl->handshake->dhm_ctx.len;
 
-            if( header_len + 2 + content_len >
-                MBEDTLS_SSL_OUT_CONTENT_LEN )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1,
-                    ( "psk identity or DHM size too long or SSL buffer too short" ) );
-                return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
+            if (header_len + 2 + content_len >
+                MBEDTLS_SSL_OUT_CONTENT_LEN) {
+                MBEDTLS_SSL_DEBUG_MSG(1,
+                                      ("psk identity or DHM size too long or SSL buffer too short"));
+                return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL;
             }
 
-            ssl->out_msg[header_len++] = MBEDTLS_BYTE_1( content_len );
-            ssl->out_msg[header_len++] = MBEDTLS_BYTE_0( content_len );
+            ssl->out_msg[header_len++] = MBEDTLS_BYTE_1(content_len);
+            ssl->out_msg[header_len++] = MBEDTLS_BYTE_0(content_len);
 
-            ret = mbedtls_dhm_make_public( &ssl->handshake->dhm_ctx,
-                    (int) mbedtls_mpi_size( &ssl->handshake->dhm_ctx.P ),
-                    &ssl->out_msg[header_len], content_len,
-                    ssl->conf->f_rng, ssl->conf->p_rng );
-            if( ret != 0 )
-            {
-                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_make_public", ret );
-                return( ret );
+            ret = mbedtls_dhm_make_public(&ssl->handshake->dhm_ctx,
+                                          (int) mbedtls_mpi_size(&ssl->handshake->dhm_ctx.P),
+                                          &ssl->out_msg[header_len], content_len,
+                                          ssl->conf->f_rng, ssl->conf->p_rng);
+            if (ret != 0) {
+                MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_dhm_make_public", ret);
+                return ret;
             }
-        }
-        else
+        } else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
-        {
+        if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
             /* Opaque PSKs are currently only supported for PSK-only suites. */
-            if( ssl_conf_has_static_raw_psk( ssl->conf ) == 0 )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1, ( "opaque PSK not supported with ECDHE-PSK" ) );
-                return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
+            if (ssl_conf_has_static_raw_psk(ssl->conf) == 0) {
+                MBEDTLS_SSL_DEBUG_MSG(1, ("opaque PSK not supported with ECDHE-PSK"));
+                return MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
             }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
             /*
              * ClientECDiffieHellmanPublic public;
              */
-            ret = mbedtls_ecdh_make_public( &ssl->handshake->ecdh_ctx,
-                    &content_len,
-                    &ssl->out_msg[header_len],
-                    MBEDTLS_SSL_OUT_CONTENT_LEN - header_len,
-                    ssl->conf->f_rng, ssl->conf->p_rng );
-            if( ret != 0 )
-            {
-                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_make_public", ret );
-                return( ret );
+            ret = mbedtls_ecdh_make_public(&ssl->handshake->ecdh_ctx,
+                                           &content_len,
+                                           &ssl->out_msg[header_len],
+                                           MBEDTLS_SSL_OUT_CONTENT_LEN - header_len,
+                                           ssl->conf->f_rng, ssl->conf->p_rng);
+            if (ret != 0) {
+                MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ecdh_make_public", ret);
+                return ret;
             }
 
-            MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
-                                    MBEDTLS_DEBUG_ECDH_Q );
-        }
-        else
+            MBEDTLS_SSL_DEBUG_ECDH(3, &ssl->handshake->ecdh_ctx,
+                                   MBEDTLS_DEBUG_ECDH_Q);
+        } else
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
         {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+            MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+            return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
         }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) &&          \
-    defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK &&
+        defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
+        if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK &&
             ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 &&
-            ssl_conf_has_static_raw_psk( ssl->conf ) == 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "skip PMS generation for opaque PSK" ) );
-        }
-        else
+            ssl_conf_has_static_raw_psk(ssl->conf) == 0) {
+            MBEDTLS_SSL_DEBUG_MSG(1,
+                                  ("skip PMS generation for opaque PSK"));
+        } else
 #endif /* MBEDTLS_USE_PSA_CRYPTO &&
           MBEDTLS_KEY_EXCHANGE_PSK_ENABLED */
-        if( ( ret = mbedtls_ssl_psk_derive_premaster( ssl,
-                        ciphersuite_info->key_exchange ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1,
-                "mbedtls_ssl_psk_derive_premaster", ret );
-            return( ret );
+        if ((ret = mbedtls_ssl_psk_derive_premaster(ssl,
+                                                    ciphersuite_info->key_exchange)) != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1,
+                                  "mbedtls_ssl_psk_derive_premaster", ret);
+            return ret;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA )
-    {
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA) {
         header_len = 4;
-        if( ( ret = ssl_write_encrypted_pms( ssl, header_len,
-                                             &content_len, 0 ) ) != 0 )
-            return( ret );
-    }
-    else
+        if ((ret = ssl_write_encrypted_pms(ssl, header_len,
+                                           &content_len, 0)) != 0) {
+            return ret;
+        }
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_RSA_ENABLED */
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
-    {
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE) {
         header_len = 4;
 
-        ret = mbedtls_ecjpake_write_round_two( &ssl->handshake->ecjpake_ctx,
-                ssl->out_msg + header_len,
-                MBEDTLS_SSL_OUT_CONTENT_LEN - header_len,
-                &content_len,
-                ssl->conf->f_rng, ssl->conf->p_rng );
-        if( ret != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecjpake_write_round_two", ret );
-            return( ret );
+        ret = mbedtls_ecjpake_write_round_two(&ssl->handshake->ecjpake_ctx,
+                                              ssl->out_msg + header_len,
+                                              MBEDTLS_SSL_OUT_CONTENT_LEN - header_len,
+                                              &content_len,
+                                              ssl->conf->f_rng, ssl->conf->p_rng);
+        if (ret != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ecjpake_write_round_two", ret);
+            return ret;
         }
 
-        ret = mbedtls_ecjpake_derive_secret( &ssl->handshake->ecjpake_ctx,
-                ssl->handshake->premaster, 32, &ssl->handshake->pmslen,
-                ssl->conf->f_rng, ssl->conf->p_rng );
-        if( ret != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecjpake_derive_secret", ret );
-            return( ret );
+        ret = mbedtls_ecjpake_derive_secret(&ssl->handshake->ecjpake_ctx,
+                                            ssl->handshake->premaster, 32, &ssl->handshake->pmslen,
+                                            ssl->conf->f_rng, ssl->conf->p_rng);
+        if (ret != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ecjpake_derive_secret", ret);
+            return ret;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_RSA_ENABLED */
     {
         ((void) ciphersuite_info);
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+        return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
     }
 
     ssl->out_msglen  = header_len + content_len;
@@ -4144,46 +3950,43 @@
 
     ssl->state++;
 
-    if( ( ret = mbedtls_ssl_write_handshake_msg( ssl ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_handshake_msg", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_write_handshake_msg(ssl)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_write_handshake_msg", ret);
+        return ret;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write client key exchange" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= write client key exchange"));
 
-    return( 0 );
+    return 0;
 }
 
 #if !defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl )
+static int ssl_write_certificate_verify(mbedtls_ssl_context *ssl)
 {
     const mbedtls_ssl_ciphersuite_t *ciphersuite_info =
         ssl->handshake->ciphersuite_info;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write certificate verify" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> write certificate verify"));
 
-    if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_derive_keys(ssl)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_derive_keys", ret);
+        return ret;
     }
 
-    if( !mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
+    if (!mbedtls_ssl_ciphersuite_cert_req_allowed(ciphersuite_info)) {
+        MBEDTLS_SSL_DEBUG_MSG(2, ("<= skip write certificate verify"));
         ssl->state++;
-        return( 0 );
+        return 0;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-    return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+    MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+    return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
 }
 #else /* !MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED */
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl )
+static int ssl_write_certificate_verify(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
     const mbedtls_ssl_ciphersuite_t *ciphersuite_info =
@@ -4195,58 +3998,53 @@
     size_t hashlen;
     void *rs_ctx = NULL;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write certificate verify" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> write certificate verify"));
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-    if( ssl->handshake->ecrs_enabled &&
-        ssl->handshake->ecrs_state == ssl_ecrs_crt_vrfy_sign )
-    {
+    if (ssl->handshake->ecrs_enabled &&
+        ssl->handshake->ecrs_state == ssl_ecrs_crt_vrfy_sign) {
         goto sign;
     }
 #endif
 
-    if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_derive_keys(ssl)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_derive_keys", ret);
+        return ret;
     }
 
-    if( !mbedtls_ssl_ciphersuite_cert_req_allowed( ciphersuite_info ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
+    if (!mbedtls_ssl_ciphersuite_cert_req_allowed(ciphersuite_info)) {
+        MBEDTLS_SSL_DEBUG_MSG(2, ("<= skip write certificate verify"));
         ssl->state++;
-        return( 0 );
+        return 0;
     }
 
-    if( ssl->client_auth == 0 || mbedtls_ssl_own_cert( ssl ) == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
+    if (ssl->client_auth == 0 || mbedtls_ssl_own_cert(ssl) == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(2, ("<= skip write certificate verify"));
         ssl->state++;
-        return( 0 );
+        return 0;
     }
 
-    if( mbedtls_ssl_own_key( ssl ) == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "got no private key for certificate" ) );
-        return( MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED );
+    if (mbedtls_ssl_own_key(ssl) == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("got no private key for certificate"));
+        return MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED;
     }
 
     /*
      * Make a signature of the handshake digests
      */
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-    if( ssl->handshake->ecrs_enabled )
+    if (ssl->handshake->ecrs_enabled) {
         ssl->handshake->ecrs_state = ssl_ecrs_crt_vrfy_sign;
+    }
 
 sign:
 #endif
 
-    ssl->handshake->calc_verify( ssl, hash, &hashlen );
+    ssl->handshake->calc_verify(ssl, hash, &hashlen);
 
 #if defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) || \
     defined(MBEDTLS_SSL_PROTO_TLS1_1)
-    if( ssl->minor_ver != MBEDTLS_SSL_MINOR_VERSION_3 )
-    {
+    if (ssl->minor_ver != MBEDTLS_SSL_MINOR_VERSION_3) {
         /*
          * digitally-signed struct {
          *     opaque md5_hash[16];
@@ -4264,19 +4062,16 @@
         /*
          * For ECDSA, default hash is SHA-1 only
          */
-        if( mbedtls_pk_can_do( mbedtls_ssl_own_key( ssl ), MBEDTLS_PK_ECDSA ) )
-        {
+        if (mbedtls_pk_can_do(mbedtls_ssl_own_key(ssl), MBEDTLS_PK_ECDSA)) {
             hash_start += 16;
             hashlen -= 16;
             md_alg = MBEDTLS_MD_SHA1;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_SSL_PROTO_SSL3 || MBEDTLS_SSL_PROTO_TLS1 || \
           MBEDTLS_SSL_PROTO_TLS1_1 */
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-    if( ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 )
-    {
+    if (ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3) {
         /*
          * digitally-signed struct {
          *     opaque handshake_messages[handshake_messages_length];
@@ -4293,48 +4088,45 @@
          *         SHA224 in order to satisfy 'weird' needs from the server
          *         side.
          */
-        if( ssl->handshake->ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
-        {
+        if (ssl->handshake->ciphersuite_info->mac == MBEDTLS_MD_SHA384) {
             md_alg = MBEDTLS_MD_SHA384;
             ssl->out_msg[4] = MBEDTLS_SSL_HASH_SHA384;
-        }
-        else
-        {
+        } else {
             md_alg = MBEDTLS_MD_SHA256;
             ssl->out_msg[4] = MBEDTLS_SSL_HASH_SHA256;
         }
-        ssl->out_msg[5] = mbedtls_ssl_sig_from_pk( mbedtls_ssl_own_key( ssl ) );
+        ssl->out_msg[5] = mbedtls_ssl_sig_from_pk(mbedtls_ssl_own_key(ssl));
 
         /* Info from md_alg will be used instead */
         hashlen = 0;
         offset = 2;
-    }
-    else
+    } else
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
     {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+        return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
     }
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-    if( ssl->handshake->ecrs_enabled )
+    if (ssl->handshake->ecrs_enabled) {
         rs_ctx = &ssl->handshake->ecrs_ctx.pk;
+    }
 #endif
 
-    if( ( ret = mbedtls_pk_sign_restartable( mbedtls_ssl_own_key( ssl ),
-                         md_alg, hash_start, hashlen,
-                         ssl->out_msg + 6 + offset, &n,
-                         ssl->conf->f_rng, ssl->conf->p_rng, rs_ctx ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_pk_sign", ret );
+    if ((ret = mbedtls_pk_sign_restartable(mbedtls_ssl_own_key(ssl),
+                                           md_alg, hash_start, hashlen,
+                                           ssl->out_msg + 6 + offset, &n,
+                                           ssl->conf->f_rng, ssl->conf->p_rng, rs_ctx)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_pk_sign", ret);
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-        if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
+        if (ret == MBEDTLS_ERR_ECP_IN_PROGRESS) {
             ret = MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS;
+        }
 #endif
-        return( ret );
+        return ret;
     }
 
-    MBEDTLS_PUT_UINT16_BE( n, ssl->out_msg, offset + 4 );
+    MBEDTLS_PUT_UINT16_BE(n, ssl->out_msg, offset + 4);
 
     ssl->out_msglen  = 6 + n + offset;
     ssl->out_msgtype = MBEDTLS_SSL_MSG_HANDSHAKE;
@@ -4342,21 +4134,20 @@
 
     ssl->state++;
 
-    if( ( ret = mbedtls_ssl_write_handshake_msg( ssl ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_handshake_msg", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_write_handshake_msg(ssl)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_write_handshake_msg", ret);
+        return ret;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write certificate verify" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= write certificate verify"));
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED */
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_parse_new_session_ticket( mbedtls_ssl_context *ssl )
+static int ssl_parse_new_session_ticket(mbedtls_ssl_context *ssl)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     uint32_t lifetime;
@@ -4364,22 +4155,20 @@
     unsigned char *ticket;
     const unsigned char *msg;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse new session ticket" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("=> parse new session ticket"));
 
-    if( ( ret = mbedtls_ssl_read_record( ssl, 1 ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
-        return( ret );
+    if ((ret = mbedtls_ssl_read_record(ssl, 1)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_ssl_read_record", ret);
+        return ret;
     }
 
-    if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
+    if (ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad new session ticket message"));
         mbedtls_ssl_send_alert_message(
             ssl,
             MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE );
-        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
+            MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE);
+        return MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
     }
 
     /*
@@ -4392,31 +4181,29 @@
      * 4  .  5   ticket_len (n)
      * 6  .  5+n ticket content
      */
-    if( ssl->in_msg[0] != MBEDTLS_SSL_HS_NEW_SESSION_TICKET ||
-        ssl->in_hslen < 6 + mbedtls_ssl_hs_hdr_len( ssl ) )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET );
+    if (ssl->in_msg[0] != MBEDTLS_SSL_HS_NEW_SESSION_TICKET ||
+        ssl->in_hslen < 6 + mbedtls_ssl_hs_hdr_len(ssl)) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad new session ticket message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET;
     }
 
-    msg = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
+    msg = ssl->in_msg + mbedtls_ssl_hs_hdr_len(ssl);
 
-    lifetime = ( ((uint32_t) msg[0]) << 24 ) | ( msg[1] << 16 ) |
-               ( msg[2] << 8 ) | ( msg[3] );
+    lifetime = (((uint32_t) msg[0]) << 24) | (msg[1] << 16) |
+               (msg[2] << 8) | (msg[3]);
 
-    ticket_len = ( msg[4] << 8 ) | ( msg[5] );
+    ticket_len = (msg[4] << 8) | (msg[5]);
 
-    if( ticket_len + 6 + mbedtls_ssl_hs_hdr_len( ssl ) != ssl->in_hslen )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET );
+    if (ticket_len + 6 + mbedtls_ssl_hs_hdr_len(ssl) != ssl->in_hslen) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad new session ticket message"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "ticket length: %" MBEDTLS_PRINTF_SIZET, ticket_len ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("ticket length: %" MBEDTLS_PRINTF_SIZET, ticket_len));
 
     /* We're not waiting for a NewSessionTicket message any more */
     ssl->handshake->new_session_ticket = 0;
@@ -4426,33 +4213,32 @@
      * Zero-length ticket means the server changed his mind and doesn't want
      * to send a ticket after all, so just forget it
      */
-    if( ticket_len == 0 )
-        return( 0 );
+    if (ticket_len == 0) {
+        return 0;
+    }
 
-    if( ssl->session != NULL && ssl->session->ticket != NULL )
-    {
-        mbedtls_platform_zeroize( ssl->session->ticket,
-                                  ssl->session->ticket_len );
-        mbedtls_free( ssl->session->ticket );
+    if (ssl->session != NULL && ssl->session->ticket != NULL) {
+        mbedtls_platform_zeroize(ssl->session->ticket,
+                                 ssl->session->ticket_len);
+        mbedtls_free(ssl->session->ticket);
         ssl->session->ticket = NULL;
         ssl->session->ticket_len = 0;
     }
 
-    mbedtls_platform_zeroize( ssl->session_negotiate->ticket,
-                              ssl->session_negotiate->ticket_len );
-    mbedtls_free( ssl->session_negotiate->ticket );
+    mbedtls_platform_zeroize(ssl->session_negotiate->ticket,
+                             ssl->session_negotiate->ticket_len);
+    mbedtls_free(ssl->session_negotiate->ticket);
     ssl->session_negotiate->ticket = NULL;
     ssl->session_negotiate->ticket_len = 0;
 
-    if( ( ticket = mbedtls_calloc( 1, ticket_len ) ) == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "ticket alloc failed" ) );
-        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                                        MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR );
-        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
+    if ((ticket = mbedtls_calloc(1, ticket_len)) == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("ticket alloc failed"));
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR);
+        return MBEDTLS_ERR_SSL_ALLOC_FAILED;
     }
 
-    memcpy( ticket, msg + 6, ticket_len );
+    memcpy(ticket, msg + 6, ticket_len);
 
     ssl->session_negotiate->ticket = ticket;
     ssl->session_negotiate->ticket_len = ticket_len;
@@ -4463,149 +4249,149 @@
      * "If the client receives a session ticket from the server, then it
      * discards any Session ID that was sent in the ServerHello."
      */
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "ticket in use, discarding session id" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("ticket in use, discarding session id"));
     ssl->session_negotiate->id_len = 0;
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse new session ticket" ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("<= parse new session ticket"));
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
 /*
  * SSL handshake -- client side -- single step
  */
-int mbedtls_ssl_handshake_client_step( mbedtls_ssl_context *ssl )
+int mbedtls_ssl_handshake_client_step(mbedtls_ssl_context *ssl)
 {
     int ret = 0;
 
-    if( ssl->state == MBEDTLS_SSL_HANDSHAKE_OVER || ssl->handshake == NULL )
-        return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
+    if (ssl->state == MBEDTLS_SSL_HANDSHAKE_OVER || ssl->handshake == NULL) {
+        return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
+    }
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "client state: %d", ssl->state ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("client state: %d", ssl->state));
 
-    if( ( ret = mbedtls_ssl_flush_output( ssl ) ) != 0 )
-        return( ret );
+    if ((ret = mbedtls_ssl_flush_output(ssl)) != 0) {
+        return ret;
+    }
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
-        ssl->handshake->retransmit_state == MBEDTLS_SSL_RETRANS_SENDING )
-    {
-        if( ( ret = mbedtls_ssl_flight_transmit( ssl ) ) != 0 )
-            return( ret );
+    if (ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+        ssl->handshake->retransmit_state == MBEDTLS_SSL_RETRANS_SENDING) {
+        if ((ret = mbedtls_ssl_flight_transmit(ssl)) != 0) {
+            return ret;
+        }
     }
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
     /* Change state now, so that it is right in mbedtls_ssl_read_record(), used
      * by DTLS for dropping out-of-sequence ChangeCipherSpec records */
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    if( ssl->state == MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC &&
-        ssl->handshake->new_session_ticket != 0 )
-    {
+    if (ssl->state == MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC &&
+        ssl->handshake->new_session_ticket != 0) {
         ssl->state = MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET;
     }
 #endif
 
-    switch( ssl->state )
-    {
+    switch (ssl->state) {
         case MBEDTLS_SSL_HELLO_REQUEST:
             ssl->state = MBEDTLS_SSL_CLIENT_HELLO;
             break;
 
-       /*
-        *  ==>   ClientHello
-        */
-       case MBEDTLS_SSL_CLIENT_HELLO:
-           ret = ssl_write_client_hello( ssl );
-           break;
+        /*
+         *  ==>   ClientHello
+         */
+        case MBEDTLS_SSL_CLIENT_HELLO:
+            ret = ssl_write_client_hello(ssl);
+            break;
 
-       /*
-        *  <==   ServerHello
-        *        Certificate
-        *      ( ServerKeyExchange  )
-        *      ( CertificateRequest )
-        *        ServerHelloDone
-        */
-       case MBEDTLS_SSL_SERVER_HELLO:
-           ret = ssl_parse_server_hello( ssl );
-           break;
+        /*
+         *  <==   ServerHello
+         *        Certificate
+         *      ( ServerKeyExchange  )
+         *      ( CertificateRequest )
+         *        ServerHelloDone
+         */
+        case MBEDTLS_SSL_SERVER_HELLO:
+            ret = ssl_parse_server_hello(ssl);
+            break;
 
-       case MBEDTLS_SSL_SERVER_CERTIFICATE:
-           ret = mbedtls_ssl_parse_certificate( ssl );
-           break;
+        case MBEDTLS_SSL_SERVER_CERTIFICATE:
+            ret = mbedtls_ssl_parse_certificate(ssl);
+            break;
 
-       case MBEDTLS_SSL_SERVER_KEY_EXCHANGE:
-           ret = ssl_parse_server_key_exchange( ssl );
-           break;
+        case MBEDTLS_SSL_SERVER_KEY_EXCHANGE:
+            ret = ssl_parse_server_key_exchange(ssl);
+            break;
 
-       case MBEDTLS_SSL_CERTIFICATE_REQUEST:
-           ret = ssl_parse_certificate_request( ssl );
-           break;
+        case MBEDTLS_SSL_CERTIFICATE_REQUEST:
+            ret = ssl_parse_certificate_request(ssl);
+            break;
 
-       case MBEDTLS_SSL_SERVER_HELLO_DONE:
-           ret = ssl_parse_server_hello_done( ssl );
-           break;
+        case MBEDTLS_SSL_SERVER_HELLO_DONE:
+            ret = ssl_parse_server_hello_done(ssl);
+            break;
 
-       /*
-        *  ==> ( Certificate/Alert  )
-        *        ClientKeyExchange
-        *      ( CertificateVerify  )
-        *        ChangeCipherSpec
-        *        Finished
-        */
-       case MBEDTLS_SSL_CLIENT_CERTIFICATE:
-           ret = mbedtls_ssl_write_certificate( ssl );
-           break;
+        /*
+         *  ==> ( Certificate/Alert  )
+         *        ClientKeyExchange
+         *      ( CertificateVerify  )
+         *        ChangeCipherSpec
+         *        Finished
+         */
+        case MBEDTLS_SSL_CLIENT_CERTIFICATE:
+            ret = mbedtls_ssl_write_certificate(ssl);
+            break;
 
-       case MBEDTLS_SSL_CLIENT_KEY_EXCHANGE:
-           ret = ssl_write_client_key_exchange( ssl );
-           break;
+        case MBEDTLS_SSL_CLIENT_KEY_EXCHANGE:
+            ret = ssl_write_client_key_exchange(ssl);
+            break;
 
-       case MBEDTLS_SSL_CERTIFICATE_VERIFY:
-           ret = ssl_write_certificate_verify( ssl );
-           break;
+        case MBEDTLS_SSL_CERTIFICATE_VERIFY:
+            ret = ssl_write_certificate_verify(ssl);
+            break;
 
-       case MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC:
-           ret = mbedtls_ssl_write_change_cipher_spec( ssl );
-           break;
+        case MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC:
+            ret = mbedtls_ssl_write_change_cipher_spec(ssl);
+            break;
 
-       case MBEDTLS_SSL_CLIENT_FINISHED:
-           ret = mbedtls_ssl_write_finished( ssl );
-           break;
+        case MBEDTLS_SSL_CLIENT_FINISHED:
+            ret = mbedtls_ssl_write_finished(ssl);
+            break;
 
-       /*
-        *  <==   ( NewSessionTicket )
-        *        ChangeCipherSpec
-        *        Finished
-        */
+            /*
+             *  <==   ( NewSessionTicket )
+             *        ChangeCipherSpec
+             *        Finished
+             */
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
-       case MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET:
-           ret = ssl_parse_new_session_ticket( ssl );
-           break;
+        case MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET:
+            ret = ssl_parse_new_session_ticket(ssl);
+            break;
 #endif
 
-       case MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC:
-           ret = mbedtls_ssl_parse_change_cipher_spec( ssl );
-           break;
+        case MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC:
+            ret = mbedtls_ssl_parse_change_cipher_spec(ssl);
+            break;
 
-       case MBEDTLS_SSL_SERVER_FINISHED:
-           ret = mbedtls_ssl_parse_finished( ssl );
-           break;
+        case MBEDTLS_SSL_SERVER_FINISHED:
+            ret = mbedtls_ssl_parse_finished(ssl);
+            break;
 
-       case MBEDTLS_SSL_FLUSH_BUFFERS:
-           MBEDTLS_SSL_DEBUG_MSG( 2, ( "handshake: done" ) );
-           ssl->state = MBEDTLS_SSL_HANDSHAKE_WRAPUP;
-           break;
+        case MBEDTLS_SSL_FLUSH_BUFFERS:
+            MBEDTLS_SSL_DEBUG_MSG(2, ("handshake: done"));
+            ssl->state = MBEDTLS_SSL_HANDSHAKE_WRAPUP;
+            break;
 
-       case MBEDTLS_SSL_HANDSHAKE_WRAPUP:
-           mbedtls_ssl_handshake_wrapup( ssl );
-           break;
+        case MBEDTLS_SSL_HANDSHAKE_WRAPUP:
+            mbedtls_ssl_handshake_wrapup(ssl);
+            break;
 
-       default:
-           MBEDTLS_SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) );
-           return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
-   }
+        default:
+            MBEDTLS_SSL_DEBUG_MSG(1, ("invalid state %d", ssl->state));
+            return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
+    }
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_SSL_CLI_C */