diff --git a/library/ssl_tls12_client.c b/library/ssl_tls12_client.c
index 30b6481..b427ae9 100644
--- a/library/ssl_tls12_client.c
+++ b/library/ssl_tls12_client.c
@@ -51,10 +51,10 @@
 
 #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;
 
@@ -63,29 +63,30 @@
     /* 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 */
 
@@ -93,21 +94,21 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
 
 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;
@@ -118,17 +119,17 @@
 
     *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;
@@ -138,19 +139,21 @@
 
     /* Skip costly extension if we can't use EC J-PAKE anyway */
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( ssl->handshake->psa_pake_ctx_is_ok != 1 )
-        return( 0 );
+    if (ssl->handshake->psa_pake_ctx_is_ok != 1) {
+        return 0;
+    }
 #else
-    if( mbedtls_ecjpake_check( &ssl->handshake->ecjpake_ctx ) != 0 )
-        return( 0 );
+    if (mbedtls_ecjpake_check(&ssl->handshake->ecjpake_ctx) != 0) {
+        return 0;
+    }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    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;
 
     /*
@@ -158,69 +161,63 @@
      * 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"));
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
         ret = mbedtls_psa_ecjpake_write_round(&ssl->handshake->psa_pake_ctx,
-                                                p + 2, end - p - 2, &kkpp_len,
-                                                MBEDTLS_ECJPAKE_ROUND_ONE );
-        if ( ret != 0 )
-        {
-            psa_destroy_key( ssl->handshake->psa_pake_password );
-            psa_pake_abort( &ssl->handshake->psa_pake_ctx );
-            MBEDTLS_SSL_DEBUG_RET( 1 , "psa_pake_output", ret );
-            return( ret );
+                                              p + 2, end - p - 2, &kkpp_len,
+                                              MBEDTLS_ECJPAKE_ROUND_ONE);
+        if (ret != 0) {
+            psa_destroy_key(ssl->handshake->psa_pake_password);
+            psa_pake_abort(&ssl->handshake->psa_pake_ctx);
+            MBEDTLS_SSL_DEBUG_RET(1, "psa_pake_output", ret);
+            return ret;
         }
 #else
-        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;
         }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-        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;
@@ -229,56 +226,56 @@
      *   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;
@@ -288,30 +285,31 @@
 
     *olen = 5;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
 #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 )
-        return( 0 );
+    if (ssl->conf->encrypt_then_mac == MBEDTLS_SSL_ETM_DISABLED) {
+        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;
@@ -319,30 +317,31 @@
 
     *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 )
-        return( 0 );
+    if (ssl->conf->extended_ms == MBEDTLS_SSL_EXTENDED_MS_DISABLED) {
+        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;
@@ -350,59 +349,61 @@
 
     *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_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;
@@ -410,11 +411,10 @@
 
     *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
@@ -426,28 +426,27 @@
      * } 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) */
@@ -459,47 +458,42 @@
      *                        >> 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);
     }
 
     /*
@@ -512,15 +506,15 @@
      */
     *olen = p - buf;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_DTLS_SRTP */
 
-int mbedtls_ssl_tls12_write_client_hello_exts( mbedtls_ssl_context *ssl,
-                                               unsigned char *buf,
-                                               const unsigned char *end,
-                                               int uses_ec,
-                                               size_t *out_len )
+int mbedtls_ssl_tls12_write_client_hello_exts(mbedtls_ssl_context *ssl,
+                                              unsigned char *buf,
+                                              const unsigned char *end,
+                                              int uses_ec,
+                                              size_t *out_len)
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char *p = buf;
@@ -537,425 +531,396 @@
     /* 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, end, &ext_len ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_renegotiation_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_renegotiation_ext(ssl, p, end, &ext_len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_renegotiation_ext", ret);
+        return ret;
     }
     p += ext_len;
 #endif
 
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
     defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( uses_ec )
-    {
-        if( ( ret = ssl_write_supported_point_formats_ext( ssl, p, end,
-                                                           &ext_len ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_supported_point_formats_ext", ret );
-            return( ret );
+    if (uses_ec) {
+        if ((ret = ssl_write_supported_point_formats_ext(ssl, p, end,
+                                                         &ext_len)) != 0) {
+            MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_supported_point_formats_ext", ret);
+            return ret;
         }
         p += ext_len;
     }
 #endif
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( ( ret = ssl_write_ecjpake_kkpp_ext( ssl, p, end, &ext_len ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_ecjpake_kkpp_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_ecjpake_kkpp_ext(ssl, p, end, &ext_len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_ecjpake_kkpp_ext", ret);
+        return ret;
     }
     p += ext_len;
 #endif
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( ( ret = ssl_write_cid_ext( ssl, p, end, &ext_len ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_cid_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_cid_ext(ssl, p, end, &ext_len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_cid_ext", ret);
+        return ret;
     }
     p += ext_len;
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    if( ( ret = ssl_write_max_fragment_length_ext( ssl, p, end,
-                                                   &ext_len ) ) != 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, end,
+                                                 &ext_len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_max_fragment_length_ext", ret);
+        return ret;
     }
     p += ext_len;
 #endif
 
 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-    if( ( ret = ssl_write_encrypt_then_mac_ext( ssl, p, end, &ext_len ) ) != 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, end, &ext_len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_encrypt_then_mac_ext", ret);
+        return ret;
     }
     p += ext_len;
 #endif
 
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-    if( ( ret = ssl_write_extended_ms_ext( ssl, p, end, &ext_len ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_extended_ms_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_extended_ms_ext(ssl, p, end, &ext_len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_extended_ms_ext", ret);
+        return ret;
     }
     p += ext_len;
 #endif
 
 #if defined(MBEDTLS_SSL_DTLS_SRTP)
-    if( ( ret = ssl_write_use_srtp_ext( ssl, p, end, &ext_len ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_use_srtp_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_use_srtp_ext(ssl, p, end, &ext_len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_use_srtp_ext", ret);
+        return ret;
     }
     p += ext_len;
 #endif
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    if( ( ret = ssl_write_session_ticket_ext( ssl, p, end, &ext_len ) ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_write_session_ticket_ext", ret );
-        return( ret );
+    if ((ret = ssl_write_session_ticket_ext(ssl, p, end, &ext_len)) != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, "ssl_write_session_ticket_ext", ret);
+        return ret;
     }
     p += ext_len;
 #endif
 
     *out_len = p - buf;
 
-    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_HANDSHAKE_FAILURE );
+                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+            return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
         }
-    }
-    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_HANDSHAKE_FAILURE );
+                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+            return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
         }
 
         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_ILLEGAL_PARAMETER );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
     }
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
 #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_UNSUPPORTED_EXTENSION );
+        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_UNSUPPORTED_EXTENSION;
     }
 
-    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_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
+    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_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
     }
 
     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_ILLEGAL_PARAMETER );
-        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
+    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_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
     }
 
-    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_DECODE_ERROR );
-        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
+    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_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
     }
 
     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 ||
-        len != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "non-matching encrypt-then-MAC extension" ) );
+    if (ssl->conf->encrypt_then_mac == MBEDTLS_SSL_ETM_DISABLED ||
+        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_UNSUPPORTED_EXTENSION );
+            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_UNSUPPORTED_EXTENSION;
     }
 
     ((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 ||
-        len != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "non-matching extended master secret extension" ) );
+    if (ssl->conf->extended_ms == MBEDTLS_SSL_EXTENDED_MS_DISABLED ||
+        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_UNSUPPORTED_EXTENSION );
+            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_UNSUPPORTED_EXTENSION;
     }
 
     ((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_UNSUPPORTED_EXTENSION );
+            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_UNSUPPORTED_EXTENSION;
     }
 
     ((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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
     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_USE_PSA_CRYPTO) &&                             \
-    ( defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) )
+            (defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C))
             ssl->handshake->ecdh_ctx.point_format = p[0];
 #endif /* !MBEDTLS_USE_PSA_CRYPTO &&
           ( MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ) */
 #if !defined(MBEDTLS_USE_PSA_CRYPTO) &&                             \
-    defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-            mbedtls_ecjpake_set_point_format( &ssl->handshake->ecjpake_ctx,
-                                              p[0] );
+            defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+            mbedtls_ecjpake_set_point_format(&ssl->handshake->ecjpake_ctx,
+                                             p[0]);
 #endif /* !MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
-            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_HANDSHAKE_FAILURE );
+    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_HANDSHAKE_FAILURE;
 }
 #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 defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( ( ret = mbedtls_psa_ecjpake_read_round(
-                            &ssl->handshake->psa_pake_ctx, buf, len,
-                            MBEDTLS_ECJPAKE_ROUND_ONE ) ) != 0 )
-    {
-        psa_destroy_key( ssl->handshake->psa_pake_password );
-        psa_pake_abort( &ssl->handshake->psa_pake_ctx );
+    if ((ret = mbedtls_psa_ecjpake_read_round(
+             &ssl->handshake->psa_pake_ctx, buf, len,
+             MBEDTLS_ECJPAKE_ROUND_ONE)) != 0) {
+        psa_destroy_key(ssl->handshake->psa_pake_password);
+        psa_pake_abort(&ssl->handshake->psa_pake_ctx);
 
-        MBEDTLS_SSL_DEBUG_RET( 1, "psa_pake_input round one", ret );
-        mbedtls_ssl_send_alert_message(
-                ssl,
-                MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-        return( ret );
-    }
-
-    return( 0 );
-#else
-    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_DEBUG_RET(1, "psa_pake_input 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;
+#else
+    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;
+    }
+
+    return 0;
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 }
 #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_UNSUPPORTED_EXTENSION );
+            MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT);
+        return MBEDTLS_ERR_SSL_UNSUPPORTED_EXTENSION;
     }
 
     /*
@@ -969,62 +934,58 @@
      */
 
     /* 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_DECODE_ERROR );
+    if (len < 4) {
+        mbedtls_ssl_send_alert_message(ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                       MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
     }
 
-    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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
     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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
     /* 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_HANDSHAKE_FAILURE );
+    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_HANDSHAKE_FAILURE;
 }
 #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];
@@ -1037,8 +998,7 @@
      * 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;
     }
 
@@ -1048,8 +1008,9 @@
      *                                      + mki_len(1 byte)
      *                                      and optional srtp_mki
      */
-    if( ( len < 5 ) || ( len != ( buf[4] + 5u ) ) )
-        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
+    if ((len < 5) || (len != (buf[4] + 5u))) {
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
+    }
 
     /*
      * get the server protection profile
@@ -1059,17 +1020,17 @@
      * 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_DECODE_ERROR );
+    if ((buf[0] != 0) || (buf[1] != 2)) {
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
+    }
 
-    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;
@@ -1077,30 +1038,26 @@
     /*
      * 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_HANDSHAKE_FAILURE );
+    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_HANDSHAKE_FAILURE;
     }
 
     /* 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;
     }
 
@@ -1110,21 +1067,19 @@
      *  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_ILLEGAL_PARAMETER );
+    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_ILLEGAL_PARAMETER;
     }
-#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 */
 
@@ -1133,9 +1088,9 @@
  */
 #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);
     uint16_t dtls_legacy_version;
 
 #if !defined(MBEDTLS_SSL_PROTO_TLS1_3)
@@ -1144,19 +1099,18 @@
     uint16_t cookie_len;
 #endif
 
-    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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
     /*
@@ -1165,8 +1119,8 @@
      *   opaque cookie<0..2^8-1>;
      * } HelloVerifyRequest;
      */
-    MBEDTLS_SSL_DEBUG_BUF( 3, "server version", p, 2 );
-    dtls_legacy_version = MBEDTLS_GET_UINT16_BE( p, 0 );
+    MBEDTLS_SSL_DEBUG_BUF(3, "server version", p, 2);
+    dtls_legacy_version = MBEDTLS_GET_UINT16_BE(p, 0);
     p += 2;
 
     /*
@@ -1174,53 +1128,50 @@
      * The DTLS 1.3 (current draft) renames ProtocolVersion server_version to
      * legacy_version and locks the value of legacy_version to 0xfefd (DTLS 1.2)
      */
-    if( dtls_legacy_version != 0xfefd && dtls_legacy_version != 0xfeff )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server version" ) );
+    if (dtls_legacy_version != 0xfefd && dtls_legacy_version != 0xfeff) {
+        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_PROTOCOL_VERSION );
+        return MBEDTLS_ERR_SSL_BAD_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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
-    MBEDTLS_SSL_DEBUG_BUF( 3, "cookie", p, cookie_len );
+    MBEDTLS_SSL_DEBUG_BUF(3, "cookie", p, cookie_len);
 
-    mbedtls_free( ssl->handshake->cookie );
+    mbedtls_free(ssl->handshake->cookie);
 
-    ssl->handshake->cookie = mbedtls_calloc( 1, cookie_len );
-    if( ssl->handshake->cookie  == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "alloc failed (%d bytes)", cookie_len ) );
-        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
+    ssl->handshake->cookie = mbedtls_calloc(1, cookie_len);
+    if (ssl->handshake->cookie  == NULL) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("alloc failed (%d bytes)", cookie_len));
+        return MBEDTLS_ERR_SSL_ALLOC_FAILED;
     }
 
-    memcpy( ssl->handshake->cookie, p, cookie_len );
+    memcpy(ssl->handshake->cookie, p, cookie_len);
     ssl->handshake->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 */
 
 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;
@@ -1233,74 +1184,65 @@
     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->cookie );
+            mbedtls_free(ssl->handshake->cookie);
             ssl->handshake->cookie = NULL;
             ssl->handshake->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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
     /*
@@ -1314,365 +1256,340 @@
      * 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, 2 );
-    ssl->tls_version = mbedtls_ssl_read_version( buf, ssl->conf->transport );
+    MBEDTLS_SSL_DEBUG_BUF(3, "server hello, version", buf, 2);
+    ssl->tls_version = mbedtls_ssl_read_version(buf, ssl->conf->transport);
     ssl->session_negotiate->tls_version = ssl->tls_version;
 
-    if( ssl->tls_version < ssl->conf->min_tls_version ||
-        ssl->tls_version > ssl->conf->max_tls_version )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "server version out of bounds -  min: [0x%x], server: [0x%x], max: [0x%x]",
-              (unsigned)ssl->conf->min_tls_version,
-              (unsigned)ssl->tls_version,
-              (unsigned)ssl->conf->max_tls_version ) );
+    if (ssl->tls_version < ssl->conf->min_tls_version ||
+        ssl->tls_version > ssl->conf->max_tls_version) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              (
+                                  "server version out of bounds -  min: [0x%x], server: [0x%x], max: [0x%x]",
+                                  (unsigned) ssl->conf->min_tls_version,
+                                  (unsigned) ssl->tls_version,
+                                  (unsigned) ssl->conf->max_tls_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_PROTOCOL_VERSION );
+        return MBEDTLS_ERR_SSL_BAD_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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
-    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_DECODE_ERROR );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_DECODE_ERROR;
         }
-    }
-    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_DECODE_ERROR );
+    } 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_DECODE_ERROR;
     }
 
     /* 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( comp != MBEDTLS_SSL_COMPRESS_NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1,
-            ( "server hello, bad compression: %d", comp ) );
+    if (comp != MBEDTLS_SSL_COMPRESS_NULL) {
+        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->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->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[i] == 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+    while (1) {
+        if (ssl->conf->ciphersuite_list[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_ILLEGAL_PARAMETER );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
         }
 
-        if( ssl->conf->ciphersuite_list[i++] ==
-            ssl->session_negotiate->ciphersuite )
-        {
+        if (ssl->conf->ciphersuite_list[i++] ==
+            ssl->session_negotiate->ciphersuite) {
             break;
         }
     }
 
     suite_info = mbedtls_ssl_ciphersuite_from_id(
-        ssl->session_negotiate->ciphersuite );
-    if( mbedtls_ssl_validate_ciphersuite( ssl, suite_info, ssl->tls_version,
-                                          ssl->tls_version ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        ssl->session_negotiate->ciphersuite);
+    if (mbedtls_ssl_validate_ciphersuite(ssl, suite_info, ssl->tls_version,
+                                         ssl->tls_version) != 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_HANDSHAKE_FAILURE );
-        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+        return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
     }
 
-    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->tls_version == MBEDTLS_SSL_VERSION_TLS1_2 )
-    {
+    if (suite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA &&
+        ssl->tls_version == MBEDTLS_SSL_VERSION_TLS1_2) {
         ssl->handshake->ecrs_enabled = 1;
     }
 #endif
 
-    if( comp != MBEDTLS_SSL_COMPRESS_NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+    if (comp != MBEDTLS_SSL_COMPRESS_NULL) {
+        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_ILLEGAL_PARAMETER );
+            MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+        return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
     }
 
     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_DECODE_ERROR );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_DECODE_ERROR;
         }
 
-        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_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_DECODE_ERROR );
+        if (ext_len > 0 && ext_len < 4) {
+            MBEDTLS_SSL_DEBUG_MSG(1, ("bad server hello message"));
+            return MBEDTLS_ERR_SSL_DECODE_ERROR;
         }
     }
 
@@ -1681,77 +1598,68 @@
      * 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_HANDSHAKE_FAILURE );
+            MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+        return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
     }
 
-    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;
@@ -1765,27 +1673,25 @@
      *     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_dhm_get_bitlen( &ssl->handshake->dhm_ctx );
-    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_HANDSHAKE_FAILURE );
+    dhm_actual_bitlen = mbedtls_dhm_get_bitlen(&ssl->handshake->dhm_ctx);
+    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_HANDSHAKE_FAILURE;
     }
 
-    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 */
@@ -1795,9 +1701,9 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)   ||   \
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_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)
 {
     uint16_t tls_id;
     uint8_t ecpoint_len;
@@ -1816,12 +1722,14 @@
      *  4       ECPoint.len
      *  5+      ECPoint contents
      */
-    if( end - *p < 4 )
-        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
+    if (end - *p < 4) {
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
+    }
 
     /* First byte is curve_type; only named_curve is handled */
-    if( *(*p)++ != MBEDTLS_ECP_TLS_NAMED_CURVE )
-        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+    if (*(*p)++ != MBEDTLS_ECP_TLS_NAMED_CURVE) {
+        return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
+    }
 
     /* Next two bytes are the namedcurve value */
     tls_id = *(*p)++;
@@ -1829,36 +1737,36 @@
     tls_id |= *(*p)++;
 
     /* Check it's a curve we offered */
-    if( mbedtls_ssl_check_curve_tls_id( ssl, tls_id ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 2,
-            ( "bad server key exchange message (ECDHE curve): %u",
-              (unsigned) tls_id ) );
-        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+    if (mbedtls_ssl_check_curve_tls_id(ssl, tls_id) != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(2,
+                              ("bad server key exchange message (ECDHE curve): %u",
+                               (unsigned) tls_id));
+        return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
     }
 
     /* Convert EC's TLS ID to PSA key type. */
-    if( mbedtls_ssl_get_psa_curve_info_from_tls_id( tls_id, &ec_psa_family,
-                    &ec_bits ) == PSA_ERROR_NOT_SUPPORTED )
-    {
-        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+    if (mbedtls_ssl_get_psa_curve_info_from_tls_id(tls_id, &ec_psa_family,
+                                                   &ec_bits) == PSA_ERROR_NOT_SUPPORTED) {
+        return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
     }
-    handshake->ecdh_psa_type = PSA_KEY_TYPE_ECC_KEY_PAIR( ec_psa_family );
+    handshake->ecdh_psa_type = PSA_KEY_TYPE_ECC_KEY_PAIR(ec_psa_family);
     handshake->ecdh_bits = ec_bits;
 
     /* Keep a copy of the peer's public key */
     ecpoint_len = *(*p)++;
-    if( (size_t)( end - *p ) < ecpoint_len )
-        return( MBEDTLS_ERR_SSL_DECODE_ERROR );
+    if ((size_t) (end - *p) < ecpoint_len) {
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
+    }
 
-    if( ecpoint_len > sizeof( handshake->ecdh_psa_peerkey ) )
-        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+    if (ecpoint_len > sizeof(handshake->ecdh_psa_peerkey)) {
+        return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
+    }
 
-    memcpy( handshake->ecdh_psa_peerkey, *p, ecpoint_len );
+    memcpy(handshake->ecdh_psa_peerkey, *p, ecpoint_len);
     handshake->ecdh_psa_peerkey_len = ecpoint_len;
     *p += ecpoint_len;
 
-    return( 0 );
+    return 0;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED   ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED   ||
@@ -1870,7 +1778,7 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_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)
 {
     uint16_t tls_id;
     mbedtls_ecp_group_id grp_id;
@@ -1880,23 +1788,23 @@
     grp_id = ssl->handshake->ecdh_ctx.grp_id;
 #endif
 
-    tls_id = mbedtls_ssl_get_tls_id_from_ecp_group_id( grp_id );
-    if( tls_id == 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+    tls_id = mbedtls_ssl_get_tls_id_from_ecp_group_id(grp_id);
+    if (tls_id == 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("should never happen"));
+        return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDH curve: %s",
-                mbedtls_ssl_get_curve_name_from_tls_id( tls_id ) ) );
+    MBEDTLS_SSL_DEBUG_MSG(2, ("ECDH curve: %s",
+                              mbedtls_ssl_get_curve_name_from_tls_id(tls_id)));
 
-    if( mbedtls_ssl_check_curve( ssl, grp_id ) != 0 )
-        return( -1 );
+    if (mbedtls_ssl_check_curve(ssl, grp_id) != 0) {
+        return -1;
+    }
 
-    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   ||
@@ -1909,9 +1817,9 @@
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||     \
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_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;
 
@@ -1923,35 +1831,34 @@
      *     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_HANDSHAKE_FAILURE );
+    if (ssl_check_server_ecdh_params(ssl) != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("bad server key exchange message (ECDHE curve)"));
+        return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
     }
 
-    return( ret );
+    return ret;
 }
-#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||     \
-          MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||     \
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED || \
+          MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED || \
           MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
 #endif /* !MBEDTLS_USE_PSA_CRYPTO */
 #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;
@@ -1962,20 +1869,18 @@
      *
      * 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_DECODE_ERROR );
+    if (end - (*p) < 2) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("bad server key exchange message (psk_identity_hint length)"));
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
     }
     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_DECODE_ERROR );
+    if (end - (*p) < len) {
+        MBEDTLS_SSL_DEBUG_MSG(1,
+                              ("bad server key exchange message (psk_identity_hint length)"));
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
     }
 
     /*
@@ -1986,7 +1891,7 @@
     *p += len;
     ret = 0;
 
-    return( ret );
+    return ret;
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
@@ -1996,19 +1901,18 @@
  * 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 = 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;
     }
 
     /*
@@ -2018,13 +1922,12 @@
      *      opaque random[46];
      *  } PreMasterSecret;
      */
-    mbedtls_ssl_write_version( p, ssl->conf->transport,
-                               MBEDTLS_SSL_VERSION_TLS1_2 );
+    mbedtls_ssl_write_version(p, ssl->conf->transport,
+                              MBEDTLS_SSL_VERSION_TLS1_2);
 
-    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;
@@ -2032,11 +1935,10 @@
 #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 */
@@ -2044,33 +1946,30 @@
     /*
      * 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( 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;
     }
 
 #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 */
@@ -2078,115 +1977,107 @@
 #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 defined(MBEDTLS_USE_PSA_CRYPTO)
     size_t olen = 0;
     uint16_t tls_id = 0;
     psa_ecc_family_t ecc_family;
 
-    if( mbedtls_ssl_check_curve( ssl, peer_key->grp.id ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server certificate (ECDH curve)" ) );
-        return( MBEDTLS_ERR_SSL_BAD_CERTIFICATE );
+    if (mbedtls_ssl_check_curve(ssl, peer_key->grp.id) != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server certificate (ECDH curve)"));
+        return MBEDTLS_ERR_SSL_BAD_CERTIFICATE;
     }
 
-    tls_id = mbedtls_ssl_get_tls_id_from_ecp_group_id( peer_key->grp.id );
-    if( tls_id == 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "ECC group %u not suported",
-                                peer_key->grp.id ) );
-        return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
+    tls_id = mbedtls_ssl_get_tls_id_from_ecp_group_id(peer_key->grp.id);
+    if (tls_id == 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("ECC group %u not suported",
+                                  peer_key->grp.id));
+        return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
     }
 
     /* If the above conversion to TLS ID was fine, then also this one will be,
        so there is no need to check the return value here */
-    mbedtls_ssl_get_psa_curve_info_from_tls_id( tls_id, &ecc_family,
-                                &ssl->handshake->ecdh_bits );
+    mbedtls_ssl_get_psa_curve_info_from_tls_id(tls_id, &ecc_family,
+                                               &ssl->handshake->ecdh_bits);
 
-    ssl->handshake->ecdh_psa_type = PSA_KEY_TYPE_ECC_KEY_PAIR( ecc_family );
+    ssl->handshake->ecdh_psa_type = PSA_KEY_TYPE_ECC_KEY_PAIR(ecc_family);
 
     /* Store peer's public key in psa format. */
-    ret = mbedtls_ecp_point_write_binary( &peer_key->grp, &peer_key->Q,
-                                          MBEDTLS_ECP_PF_UNCOMPRESSED, &olen,
-                                          ssl->handshake->ecdh_psa_peerkey,
-                                          MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH );
+    ret = mbedtls_ecp_point_write_binary(&peer_key->grp, &peer_key->Q,
+                                         MBEDTLS_ECP_PF_UNCOMPRESSED, &olen,
+                                         ssl->handshake->ecdh_psa_peerkey,
+                                         MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH);
 
-    if ( ret != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, ( "mbedtls_ecp_point_write_binary" ), ret );
-        return( ret );
+    if (ret != 0) {
+        MBEDTLS_SSL_DEBUG_RET(1, ("mbedtls_ecp_point_write_binary"), ret);
+        return ret;
     }
 
     ssl->handshake->ecdh_psa_peerkey_len = olen;
 #else
-    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_CERTIFICATE );
+    if (ssl_check_server_ecdh_params(ssl) != 0) {
+        MBEDTLS_SSL_DEBUG_MSG(1, ("bad server certificate (ECDH curve)"));
+        return MBEDTLS_ERR_SSL_BAD_CERTIFICATE;
     }
 #endif
 #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);
@@ -2194,22 +2085,20 @@
 
 #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);
@@ -2217,132 +2106,119 @@
           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_DECODE_ERROR );
-            return( MBEDTLS_ERR_SSL_DECODE_ERROR );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_DECODE_ERROR;
         }
     } /* 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_ILLEGAL_PARAMETER );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
         }
-    }
-    else
+    } else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_DHE_PSK_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_ILLEGAL_PARAMETER );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
         }
-    }
-    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 )
-    {
+    if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
         /*
          * The first 3 bytes are:
@@ -2352,81 +2228,74 @@
          * However since we only support secp256r1 for now, we check only
          * that TLS ID here
          */
-        uint16_t read_tls_id = MBEDTLS_GET_UINT16_BE( p, 1 );
+        uint16_t read_tls_id = MBEDTLS_GET_UINT16_BE(p, 1);
         uint16_t exp_tls_id = mbedtls_ssl_get_tls_id_from_ecp_group_id(
-                                    MBEDTLS_ECP_DP_SECP256R1 );
+            MBEDTLS_ECP_DP_SECP256R1);
 
-        if( exp_tls_id == 0 )
-        {
-            return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
+        if (exp_tls_id == 0) {
+            return MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
         }
 
-        if( ( *p != MBEDTLS_ECP_TLS_NAMED_CURVE ) ||
-            ( read_tls_id != exp_tls_id ) )
-        {
-            return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
+        if ((*p != MBEDTLS_ECP_TLS_NAMED_CURVE) ||
+            (read_tls_id != exp_tls_id)) {
+            return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
         }
 
         p += 3;
 
-        if( ( ret = mbedtls_psa_ecjpake_read_round(
-                        &ssl->handshake->psa_pake_ctx, p, end - p,
-                        MBEDTLS_ECJPAKE_ROUND_TWO ) ) != 0 )
-        {
-            psa_destroy_key( ssl->handshake->psa_pake_password );
-            psa_pake_abort( &ssl->handshake->psa_pake_ctx );
+        if ((ret = mbedtls_psa_ecjpake_read_round(
+                 &ssl->handshake->psa_pake_ctx, p, end - p,
+                 MBEDTLS_ECJPAKE_ROUND_TWO)) != 0) {
+            psa_destroy_key(ssl->handshake->psa_pake_password);
+            psa_pake_abort(&ssl->handshake->psa_pake_ctx);
 
-            MBEDTLS_SSL_DEBUG_RET( 1, "psa_pake_input round two", ret );
+            MBEDTLS_SSL_DEBUG_RET(1, "psa_pake_input round two", ret);
             mbedtls_ssl_send_alert_message(
                 ssl,
                 MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
-            return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+            return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
         }
 #else
-        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 );
+        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_HANDSHAKE_FAILURE );
-            return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+                MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE);
+            return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
         }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-    }
-    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;
         unsigned char hash[MBEDTLS_HASH_MAX_SIZE];
 
         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;
         uint16_t sig_alg;
 
-        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 */
@@ -2434,143 +2303,137 @@
         /*
          * Handle the digitally-signed structure
          */
-        MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, 2 );
-        sig_alg = MBEDTLS_GET_UINT16_BE( p, 0 );
-        if( mbedtls_ssl_get_pk_type_and_md_alg_from_sig_alg(
-                            sig_alg, &pk_alg, &md_alg ) != 0 &&
-            ! mbedtls_ssl_sig_alg_is_offered( ssl, sig_alg ) &&
-            ! mbedtls_ssl_sig_alg_is_supported( ssl, sig_alg ) )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "bad server key exchange message" ) );
+        MBEDTLS_SSL_CHK_BUF_READ_PTR(p, end, 2);
+        sig_alg = MBEDTLS_GET_UINT16_BE(p, 0);
+        if (mbedtls_ssl_get_pk_type_and_md_alg_from_sig_alg(
+                sig_alg, &pk_alg, &md_alg) != 0 &&
+            !mbedtls_ssl_sig_alg_is_offered(ssl, sig_alg) &&
+            !mbedtls_ssl_sig_alg_is_supported(ssl, sig_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_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
         }
         p += 2;
 
-        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_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
+                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER);
+            return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
         }
 
         /*
          * 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_DECODE_ERROR );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_DECODE_ERROR;
         }
-        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_DECODE_ERROR );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_DECODE_ERROR;
         }
 
-        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( 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
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+        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 {
+            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);
 
         /*
          * 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
 
 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
-        if( pk_alg == MBEDTLS_PK_RSASSA_PSS )
-        {
+        if (pk_alg == MBEDTLS_PK_RSASSA_PSS) {
             mbedtls_pk_rsassa_pss_options rsassa_pss_options;
             rsassa_pss_options.mgf1_hash_id = md_alg;
             rsassa_pss_options.expected_salt_len =
-                                    mbedtls_hash_info_get_size( md_alg );
-            if( rsassa_pss_options.expected_salt_len == 0 )
-                return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+                mbedtls_hash_info_get_size(md_alg);
+            if (rsassa_pss_options.expected_salt_len == 0) {
+                return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
+            }
 
-            ret = mbedtls_pk_verify_ext( pk_alg, &rsassa_pss_options,
-                                         peer_pk,
-                                         md_alg, hash, hashlen,
-                                         p, sig_len );
-        }
-        else
+            ret = mbedtls_pk_verify_ext(pk_alg, &rsassa_pss_options,
+                                        peer_pk,
+                                        md_alg, hash, hashlen,
+                                        p, sig_len);
+        } else
 #endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */
-            ret = mbedtls_pk_verify_restartable( peer_pk,
-                        md_alg, hash, hashlen, p, sig_len, rs_ctx );
+        ret = mbedtls_pk_verify_restartable(peer_pk,
+                                            md_alg, hash, hashlen, p, sig_len, rs_ctx);
 
-        if( ret != 0 )
-        {
+        if (ret != 0) {
             int send_alert_msg = 1;
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
-            send_alert_msg = ( ret != MBEDTLS_ERR_ECP_IN_PROGRESS );
+            send_alert_msg = (ret != MBEDTLS_ERR_ECP_IN_PROGRESS);
 #endif
-            if( send_alert_msg )
+            if (send_alert_msg) {
                 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 );
+                    MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR);
+            }
+            MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_pk_verify", 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 !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 */
@@ -2578,33 +2441,32 @@
 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;
@@ -2614,44 +2476,40 @@
         ssl->handshake->ciphersuite_info;
     size_t sig_alg_len;
 #if defined(MBEDTLS_DEBUG_C)
-        unsigned char *sig_alg;
-        unsigned char *dn;
+    unsigned char *sig_alg;
+    unsigned char *dn;
 #endif
 
-    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->handshake->client_auth =
-                    ( ssl->in_msg[0] == MBEDTLS_SSL_HS_CERTIFICATE_REQUEST );
+        (ssl->in_msg[0] == MBEDTLS_SSL_HS_CERTIFICATE_REQUEST);
 
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "got %s certificate request",
-                        ssl->handshake->client_auth ? "a" : "no" ) );
+    MBEDTLS_SSL_DEBUG_MSG(3, ("got %s certificate request",
+                              ssl->handshake->client_auth ? "a" : "no"));
 
-    if( ssl->handshake->client_auth == 0 )
-    {
+    if (ssl->handshake->client_auth == 0) {
         /* Current message is probably the ServerHelloDone */
         ssl->keep_current_message = 1;
         goto exit;
@@ -2684,14 +2542,13 @@
     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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
-    cert_type_len = buf[mbedtls_ssl_hs_hdr_len( ssl )];
+    cert_type_len = buf[mbedtls_ssl_hs_hdr_len(ssl)];
     n = cert_type_len;
 
     /*
@@ -2704,17 +2561,16 @@
      * 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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
     /* supported_signature_algorithms */
-    sig_alg_len = ( ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 1 + n] <<  8 )
-                  | ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n]   ) );
+    sig_alg_len = ((buf[mbedtls_ssl_hs_hdr_len(ssl) + 1 + n] <<  8)
+                   | (buf[mbedtls_ssl_hs_hdr_len(ssl) + 2 + n]));
 
     /*
      * The furthest access in buf is in the loop few lines below:
@@ -2728,119 +2584,112 @@
      *     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_DECODE_ERROR );
+            MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+        return MBEDTLS_ERR_SSL_DECODE_ERROR;
     }
 
 #if defined(MBEDTLS_DEBUG_C)
-    sig_alg = buf + mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n;
-    for( size_t i = 0; i < sig_alg_len; i += 2 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3,
-            ( "Supported Signature Algorithm found: %02x %02x",
-              sig_alg[i], sig_alg[i + 1]  ) );
+    sig_alg = buf + mbedtls_ssl_hs_hdr_len(ssl) + 3 + n;
+    for (size_t i = 0; i < sig_alg_len; i += 2) {
+        MBEDTLS_SSL_DEBUG_MSG(3,
+                              ("Supported Signature Algorithm found: %02x %02x",
+                               sig_alg[i], sig_alg[i + 1]));
     }
 #endif
 
     n += 2 + sig_alg_len;
 
     /* 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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
 #if defined(MBEDTLS_DEBUG_C)
-    dn = buf + mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n - dn_len;
-    for( size_t i = 0, dni_len = 0; i < dn_len; i += 2 + dni_len )
-    {
+    dn = buf + mbedtls_ssl_hs_hdr_len(ssl) + 3 + n - dn_len;
+    for (size_t i = 0, dni_len = 0; i < dn_len; i += 2 + dni_len) {
         unsigned char *p = dn + i + 2;
         mbedtls_x509_name name;
         size_t asn1_len;
         char s[MBEDTLS_X509_MAX_DN_NAME_SIZE];
-        memset( &name, 0, sizeof( name ) );
-        dni_len = MBEDTLS_GET_UINT16_BE( dn + i, 0 );
-        if( dni_len > dn_len - i - 2 ||
-            mbedtls_asn1_get_tag( &p, p + dni_len, &asn1_len,
-              MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) != 0 ||
-            mbedtls_x509_get_name( &p, p + asn1_len, &name ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+        memset(&name, 0, sizeof(name));
+        dni_len = MBEDTLS_GET_UINT16_BE(dn + i, 0);
+        if (dni_len > dn_len - i - 2 ||
+            mbedtls_asn1_get_tag(&p, p + dni_len, &asn1_len,
+                                 MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE) != 0 ||
+            mbedtls_x509_get_name(&p, p + asn1_len, &name) != 0) {
+            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_DECODE_ERROR );
+                MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR);
+            return MBEDTLS_ERR_SSL_DECODE_ERROR;
         }
-        MBEDTLS_SSL_DEBUG_MSG( 3,
-            ( "DN hint: %.*s",
-              mbedtls_x509_dn_gets( s, sizeof(s), &name ), s ) );
-        mbedtls_asn1_free_named_data_list_shallow( name.next );
+        MBEDTLS_SSL_DEBUG_MSG(3,
+                              ("DN hint: %.*s",
+                               mbedtls_x509_dn_gets(s, sizeof(s), &name), s));
+        mbedtls_asn1_free_named_data_list_shallow(name.next);
     }
 #endif
 
 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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
     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;
 
@@ -2849,55 +2698,50 @@
     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 = mbedtls_dhm_get_len( &ssl->handshake->dhm_ctx );
+        content_len = mbedtls_dhm_get_len(&ssl->handshake->dhm_ctx);
 
-        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_dhm_get_len( &ssl->handshake->dhm_ctx ),
-                          &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_dhm_get_len(&ssl->handshake->dhm_ctx),
+                                      &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_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
     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) {
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
         psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_status_t destruction_status = PSA_ERROR_CORRUPTION_DETECTED;
@@ -2907,7 +2751,7 @@
 
         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.
@@ -2921,33 +2765,33 @@
          * 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.
          * The export format is an ECPoint structure as expected by TLS,
          * but we just need to add a length byte before that. */
         unsigned char *own_pubkey = ssl->out_msg + header_len + 1;
         unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
-        size_t own_pubkey_max_len = (size_t)( end - own_pubkey );
+        size_t own_pubkey_max_len = (size_t) (end - own_pubkey);
         size_t own_pubkey_len;
 
-        status = psa_export_public_key( handshake->ecdh_psa_privkey,
-                                        own_pubkey, own_pubkey_max_len,
-                                        &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, own_pubkey_max_len,
+                                       &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;
         }
 
         ssl->out_msg[header_len] = (unsigned char) own_pubkey_len;
@@ -2956,19 +2800,20 @@
         /* 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 );
+        if (status != PSA_SUCCESS || destruction_status != PSA_SUCCESS) {
+            return MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+        }
 #else
         /*
          * ECDH key exchange -- send client public value
@@ -2976,70 +2821,68 @@
         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 );
+        MBEDTLS_SSL_DEBUG_ECDH(3, &ssl->handshake->ecdh_ctx,
+                               MBEDTLS_DEBUG_ECDH_Z);
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-    }
-    else
+    } 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_USE_PSA_CRYPTO) &&                           \
     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) {
         psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_status_t destruction_status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_key_attributes_t key_attributes;
@@ -3049,38 +2892,38 @@
         /*
          * opaque psk_identity<0..2^16-1>;
          */
-        if( mbedtls_ssl_conf_has_static_psk( ssl->conf ) == 0 )
+        if (mbedtls_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;
+        }
 
         /* uint16 to store content length */
         const size_t content_len_size = 2;
 
         header_len = 4;
 
-        if( header_len + content_len_size + ssl->conf->psk_identity_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 + content_len_size + ssl->conf->psk_identity_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;
         }
 
         unsigned char *p = ssl->out_msg + header_len;
 
-        *p++ = MBEDTLS_BYTE_1( ssl->conf->psk_identity_len );
-        *p++ = MBEDTLS_BYTE_0( ssl->conf->psk_identity_len );
+        *p++ = MBEDTLS_BYTE_1(ssl->conf->psk_identity_len);
+        *p++ = MBEDTLS_BYTE_0(ssl->conf->psk_identity_len);
         header_len += content_len_size;
 
-        memcpy( p, ssl->conf->psk_identity,
-                ssl->conf->psk_identity_len );
+        memcpy(p, ssl->conf->psk_identity,
+               ssl->conf->psk_identity_len);
         p += ssl->conf->psk_identity_len;
 
         header_len += ssl->conf->psk_identity_len;
 
-        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.
@@ -3094,33 +2937,33 @@
          * 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( psa_ssl_status_to_mbedtls( status ) );
+        status = psa_generate_key(&key_attributes,
+                                  &handshake->ecdh_psa_privkey);
+        if (status != PSA_SUCCESS) {
+            return psa_ssl_status_to_mbedtls(status);
+        }
 
         /* Export the public part of the ECDH private key from PSA.
          * The export format is an ECPoint structure as expected by TLS,
          * but we just need to add a length byte before that. */
         unsigned char *own_pubkey = p + 1;
         unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
-        size_t own_pubkey_max_len = (size_t)( end - own_pubkey );
+        size_t own_pubkey_max_len = (size_t) (end - own_pubkey);
         size_t own_pubkey_len = 0;
 
-        status = psa_export_public_key( handshake->ecdh_psa_privkey,
-                                        own_pubkey, own_pubkey_max_len,
-                                        &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, own_pubkey_max_len,
+                                       &own_pubkey_len);
+        if (status != PSA_SUCCESS) {
+            psa_destroy_key(handshake->ecdh_psa_privkey);
             handshake->ecdh_psa_privkey = MBEDTLS_SVC_KEY_ID_INIT;
-            return( psa_ssl_status_to_mbedtls( status ) );
+            return psa_ssl_status_to_mbedtls(status);
         }
 
         *p = (unsigned char) own_pubkey_len;
@@ -3133,231 +2976,209 @@
          * - the PSK itself
          */
         unsigned char *pms = ssl->handshake->premaster;
-        const unsigned char* const pms_end = pms +
-                                sizeof( ssl->handshake->premaster );
+        const unsigned char * const pms_end = pms +
+                                              sizeof(ssl->handshake->premaster);
         /* uint16 to store length (in octets) of the ECDH computation */
         const size_t zlen_size = 2;
         size_t zlen = 0;
 
         /* Perform ECDH computation after the uint16 reserved for the length */
-        status = psa_raw_key_agreement( PSA_ALG_ECDH,
-                                        handshake->ecdh_psa_privkey,
-                                        handshake->ecdh_psa_peerkey,
-                                        handshake->ecdh_psa_peerkey_len,
-                                        pms + zlen_size,
-                                        pms_end - ( pms + zlen_size ),
-                                        &zlen );
+        status = psa_raw_key_agreement(PSA_ALG_ECDH,
+                                       handshake->ecdh_psa_privkey,
+                                       handshake->ecdh_psa_peerkey,
+                                       handshake->ecdh_psa_peerkey_len,
+                                       pms + zlen_size,
+                                       pms_end - (pms + zlen_size),
+                                       &zlen);
 
-        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 )
-            return( psa_ssl_status_to_mbedtls( status ) );
-        else if( destruction_status != PSA_SUCCESS )
-            return( psa_ssl_status_to_mbedtls( destruction_status ) );
+        if (status != PSA_SUCCESS) {
+            return psa_ssl_status_to_mbedtls(status);
+        } else if (destruction_status != PSA_SUCCESS) {
+            return psa_ssl_status_to_mbedtls(destruction_status);
+        }
 
         /* Write the ECDH computation length before the ECDH computation */
-        MBEDTLS_PUT_UINT16_BE( zlen, pms, 0 );
+        MBEDTLS_PUT_UINT16_BE(zlen, pms, 0);
         pms += zlen_size + zlen;
-    }
-    else
+    } else
 #endif /* MBEDTLS_USE_PSA_CRYPTO &&
           MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_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( mbedtls_ssl_conf_has_static_psk( ssl->conf ) == 0 )
-        {
+        if (mbedtls_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( ( ret = ssl_write_encrypted_pms( ssl, header_len,
-                                                 &content_len, 2 ) ) != 0 )
-                return( ret );
-        }
-        else
+        if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK) {
+            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) {
             /*
              * ClientDiffieHellmanPublic public (DHM send G^X mod P)
              */
-            content_len = mbedtls_dhm_get_len( &ssl->handshake->dhm_ctx );
+            content_len = mbedtls_dhm_get_len(&ssl->handshake->dhm_ctx);
 
-            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_dhm_get_len( &ssl->handshake->dhm_ctx ),
-                    &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_dhm_get_len(&ssl->handshake->dhm_ctx),
+                                          &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;
             }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
             unsigned char *pms = ssl->handshake->premaster;
-            unsigned char *pms_end = pms + sizeof( ssl->handshake->premaster );
+            unsigned char *pms_end = pms + sizeof(ssl->handshake->premaster);
             size_t pms_len;
 
             /* Write length only when we know the actual value */
-            if( ( ret = mbedtls_dhm_calc_secret( &ssl->handshake->dhm_ctx,
-                                          pms + 2, pms_end - ( pms + 2 ), &pms_len,
-                                          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,
+                                               pms + 2, pms_end - (pms + 2), &pms_len,
+                                               ssl->conf->f_rng, ssl->conf->p_rng)) != 0) {
+                MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_dhm_calc_secret", ret);
+                return ret;
             }
-            MBEDTLS_PUT_UINT16_BE( pms_len, pms, 0 );
+            MBEDTLS_PUT_UINT16_BE(pms_len, pms, 0);
             pms += 2 + pms_len;
 
-            MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->handshake->dhm_ctx.K  );
+            MBEDTLS_SSL_DEBUG_MPI(3, "DHM: K ", &ssl->handshake->dhm_ctx.K);
 #endif
-        }
-        else
+        } else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
 #if !defined(MBEDTLS_USE_PSA_CRYPTO) &&                             \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
-        {
+        defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+        if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK) {
             /*
              * 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_USE_PSA_CRYPTO && 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)
-        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;
         }
 #endif /* !MBEDTLS_USE_PSA_CRYPTO */
-    }
-    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;
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
         unsigned char *out_p = ssl->out_msg + header_len;
         unsigned char *end_p = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN -
                                header_len;
-        ret = mbedtls_psa_ecjpake_write_round( &ssl->handshake->psa_pake_ctx,
-                                    out_p, end_p - out_p, &content_len,
-                                    MBEDTLS_ECJPAKE_ROUND_TWO );
-        if ( ret != 0 )
-        {
-            psa_destroy_key( ssl->handshake->psa_pake_password );
-            psa_pake_abort( &ssl->handshake->psa_pake_ctx );
-            MBEDTLS_SSL_DEBUG_RET( 1 , "psa_pake_output", ret );
-            return( ret );
+        ret = mbedtls_psa_ecjpake_write_round(&ssl->handshake->psa_pake_ctx,
+                                              out_p, end_p - out_p, &content_len,
+                                              MBEDTLS_ECJPAKE_ROUND_TWO);
+        if (ret != 0) {
+            psa_destroy_key(ssl->handshake->psa_pake_password);
+            psa_pake_abort(&ssl->handshake->psa_pake_ctx);
+            MBEDTLS_SSL_DEBUG_RET(1, "psa_pake_output", ret);
+            return ret;
         }
 #else
-        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;
         }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-    }
-    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;
@@ -3366,46 +3187,43 @@
 
     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 =
@@ -3417,59 +3235,55 @@
     size_t hashlen;
     void *rs_ctx = NULL;
 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
-    size_t out_buf_len = ssl->out_buf_len - ( ssl->out_msg - ssl->out_buf );
+    size_t out_buf_len = ssl->out_buf_len - (ssl->out_msg - ssl->out_buf);
 #else
-    size_t out_buf_len = MBEDTLS_SSL_OUT_BUFFER_LEN - ( ssl->out_msg - ssl->out_buf );
+    size_t out_buf_len = MBEDTLS_SSL_OUT_BUFFER_LEN - (ssl->out_msg - ssl->out_buf);
 #endif
 
-    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->handshake->client_auth == 0 ||
-        mbedtls_ssl_own_cert( ssl ) == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
+    if (ssl->handshake->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);
 
     /*
      * digitally-signed struct {
@@ -3487,43 +3301,41 @@
      *         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;
 
 #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,
-                         out_buf_len - 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,
+                                           out_buf_len - 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;
@@ -3531,21 +3343,20 @@
 
     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;
@@ -3553,22 +3364,20 @@
     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;
     }
 
     /*
@@ -3581,31 +3390,29 @@
      * 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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
-    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_DECODE_ERROR );
+    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_DECODE_ERROR;
     }
 
-    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;
@@ -3615,33 +3422,32 @@
      * 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;
@@ -3652,133 +3458,131 @@
      * "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;
 
     /* 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_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 = mbedtls_ssl_write_client_hello( ssl );
-           break;
+        /*
+         *  ==>   ClientHello
+         */
+        case MBEDTLS_SSL_CLIENT_HELLO:
+            ret = mbedtls_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_NEW_SESSION_TICKET:
-           ret = ssl_parse_new_session_ticket( ssl );
-           break;
+        case MBEDTLS_SSL_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 && MBEDTLS_SSL_PROTO_TLS1_2 */