early-access version 1503
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129
externals/mbedtls/library/ssl_srv.c
vendored
129
externals/mbedtls/library/ssl_srv.c
vendored
@@ -1,8 +1,31 @@
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/*
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* SSLv3/TLSv1 server-side functions
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: GPL-2.0
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*
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* This file is provided under the Apache License 2.0, or the
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* GNU General Public License v2.0 or later.
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*
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* **********
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* Apache License 2.0:
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* **********
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*
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* **********
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* GNU General Public License v2.0 or later:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -18,7 +41,7 @@
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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* **********
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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@@ -1296,7 +1319,7 @@ read_record_header:
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return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO );
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}
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memcpy( ssl->out_ctr + 2, ssl->in_ctr + 2, 6 );
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memcpy( ssl->cur_out_ctr + 2, ssl->in_ctr + 2, 6 );
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#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
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if( mbedtls_ssl_dtls_replay_check( ssl ) != 0 )
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@@ -1451,7 +1474,7 @@ read_record_header:
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*/
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/*
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* Minimal length (with everything empty and extensions ommitted) is
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* Minimal length (with everything empty and extensions omitted) is
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* 2 + 32 + 1 + 2 + 1 = 38 bytes. Check that first, so that we can
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* read at least up to session id length without worrying.
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*/
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@@ -2386,12 +2409,21 @@ static int ssl_write_hello_verify_request( mbedtls_ssl_context *ssl )
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ssl->state = MBEDTLS_SSL_SERVER_HELLO_VERIFY_REQUEST_SENT;
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if( ( ret = mbedtls_ssl_write_record( ssl ) ) != 0 )
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if( ( ret = mbedtls_ssl_write_handshake_msg( ssl ) ) != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_record", ret );
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_handshake_msg", ret );
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return( ret );
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}
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
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( ret = mbedtls_ssl_flight_transmit( ssl ) ) != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_flight_transmit", ret );
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return( ret );
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}
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write hello verify request" ) );
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return( 0 );
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@@ -2591,8 +2623,12 @@ static int ssl_write_server_hello( mbedtls_ssl_context *ssl )
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#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
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defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
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ssl_write_supported_point_formats_ext( ssl, p + 2 + ext_len, &olen );
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ext_len += olen;
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if ( mbedtls_ssl_ciphersuite_uses_ec(
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mbedtls_ssl_ciphersuite_from_id( ssl->session_negotiate->ciphersuite ) ) )
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{
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ssl_write_supported_point_formats_ext( ssl, p + 2 + ext_len, &olen );
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ext_len += olen;
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}
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#endif
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#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
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@@ -2622,7 +2658,7 @@ static int ssl_write_server_hello( mbedtls_ssl_context *ssl )
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ssl->out_msgtype = MBEDTLS_SSL_MSG_HANDSHAKE;
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ssl->out_msg[0] = MBEDTLS_SSL_HS_SERVER_HELLO;
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ret = mbedtls_ssl_write_record( ssl );
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ret = mbedtls_ssl_write_handshake_msg( ssl );
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write server hello" ) );
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@@ -2817,7 +2853,7 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl )
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ssl->out_msg[4 + ct_len + sa_len] = (unsigned char)( total_dn_size >> 8 );
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ssl->out_msg[5 + ct_len + sa_len] = (unsigned char)( total_dn_size );
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ret = mbedtls_ssl_write_record( ssl );
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ret = mbedtls_ssl_write_handshake_msg( ssl );
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write certificate request" ) );
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@@ -3037,8 +3073,8 @@ curve_matching_done:
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDHE curve: %s", (*curve)->name ) );
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if( ( ret = mbedtls_ecp_group_load( &ssl->handshake->ecdh_ctx.grp,
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(*curve)->grp_id ) ) != 0 )
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if( ( ret = mbedtls_ecdh_setup( &ssl->handshake->ecdh_ctx,
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(*curve)->grp_id ) ) != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecp_group_load", ret );
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return( ret );
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@@ -3060,7 +3096,8 @@ curve_matching_done:
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ssl->out_msglen += len;
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MBEDTLS_SSL_DEBUG_ECP( 3, "ECDH: Q ", &ssl->handshake->ecdh_ctx.Q );
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MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
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MBEDTLS_DEBUG_ECDH_Q );
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}
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#endif /* MBEDTLS_KEY_EXCHANGE__SOME__ECDHE_ENABLED */
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@@ -3334,9 +3371,9 @@ static int ssl_write_server_key_exchange( mbedtls_ssl_context *ssl )
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ssl->state++;
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if( ( ret = mbedtls_ssl_write_record( ssl ) ) != 0 )
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if( ( ret = mbedtls_ssl_write_handshake_msg( ssl ) ) != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_record", ret );
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_handshake_msg", ret );
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return( ret );
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}
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@@ -3361,12 +3398,21 @@ static int ssl_write_server_hello_done( mbedtls_ssl_context *ssl )
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mbedtls_ssl_send_flight_completed( ssl );
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#endif
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if( ( ret = mbedtls_ssl_write_record( ssl ) ) != 0 )
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if( ( ret = mbedtls_ssl_write_handshake_msg( ssl ) ) != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_record", ret );
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_handshake_msg", ret );
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return( ret );
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}
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#if defined(MBEDTLS_SSL_PROTO_DTLS)
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if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
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( ret = mbedtls_ssl_flight_transmit( ssl ) ) != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_flight_transmit", ret );
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return( ret );
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}
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write server hello done" ) );
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return( 0 );
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@@ -3541,11 +3587,12 @@ static int ssl_parse_encrypted_pms( mbedtls_ssl_context *ssl,
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/* In case of a failure in decryption, the decryption may write less than
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* 2 bytes of output, but we always read the first two bytes. It doesn't
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* matter in the end because diff will be nonzero in that case due to
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* peer_pmslen being less than 48, and we only care whether diff is 0.
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* But do initialize peer_pms for robustness anyway. This also makes
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* memory analyzers happy (don't access uninitialized memory, even
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* if it's an unsigned char). */
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* ret being nonzero, and we only care whether diff is 0.
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* But do initialize peer_pms and peer_pmslen for robustness anyway. This
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* also makes memory analyzers happy (don't access uninitialized memory,
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* even if it's an unsigned char). */
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peer_pms[0] = peer_pms[1] = ~0;
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peer_pmslen = 0;
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ret = ssl_decrypt_encrypted_pms( ssl, p, end,
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peer_pms,
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@@ -3708,7 +3755,7 @@ static int ssl_parse_client_key_exchange( mbedtls_ssl_context *ssl )
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}
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else
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#endif
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if( ( ret = mbedtls_ssl_read_record( ssl ) ) != 0 )
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if( ( ret = mbedtls_ssl_read_record( ssl, 1 ) ) != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
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return( ret );
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@@ -3774,7 +3821,8 @@ static int ssl_parse_client_key_exchange( mbedtls_ssl_context *ssl )
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return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP );
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}
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MBEDTLS_SSL_DEBUG_ECP( 3, "ECDH: Qp ", &ssl->handshake->ecdh_ctx.Qp );
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MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
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MBEDTLS_DEBUG_ECDH_QP );
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if( ( ret = mbedtls_ecdh_calc_secret( &ssl->handshake->ecdh_ctx,
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&ssl->handshake->pmslen,
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@@ -3786,7 +3834,8 @@ static int ssl_parse_client_key_exchange( mbedtls_ssl_context *ssl )
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return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS );
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}
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MBEDTLS_SSL_DEBUG_MPI( 3, "ECDH: z ", &ssl->handshake->ecdh_ctx.z );
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MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
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MBEDTLS_DEBUG_ECDH_Z );
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}
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else
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#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
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@@ -3899,7 +3948,8 @@ static int ssl_parse_client_key_exchange( mbedtls_ssl_context *ssl )
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return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP );
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}
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MBEDTLS_SSL_DEBUG_ECP( 3, "ECDH: Qp ", &ssl->handshake->ecdh_ctx.Qp );
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MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
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MBEDTLS_DEBUG_ECDH_QP );
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if( ( ret = mbedtls_ssl_psk_derive_premaster( ssl,
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ciphersuite_info->key_exchange ) ) != 0 )
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@@ -4018,25 +4068,10 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl )
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}
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/* Read the message without adding it to the checksum */
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do {
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do ret = mbedtls_ssl_read_record_layer( ssl );
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while( ret == MBEDTLS_ERR_SSL_CONTINUE_PROCESSING );
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if( ret != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, ( "mbedtls_ssl_read_record_layer" ), ret );
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return( ret );
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}
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ret = mbedtls_ssl_handle_message_type( ssl );
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} while( MBEDTLS_ERR_SSL_NON_FATAL == ret ||
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MBEDTLS_ERR_SSL_CONTINUE_PROCESSING == ret );
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ret = mbedtls_ssl_read_record( ssl, 0 /* no checksum update */ );
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if( 0 != ret )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, ( "mbedtls_ssl_handle_message_type" ), ret );
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MBEDTLS_SSL_DEBUG_RET( 1, ( "mbedtls_ssl_read_record" ), ret );
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return( ret );
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}
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@@ -4225,9 +4260,9 @@ static int ssl_write_new_session_ticket( mbedtls_ssl_context *ssl )
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*/
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ssl->handshake->new_session_ticket = 0;
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if( ( ret = mbedtls_ssl_write_record( ssl ) ) != 0 )
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if( ( ret = mbedtls_ssl_write_handshake_msg( ssl ) ) != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_record", ret );
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_handshake_msg", ret );
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return( ret );
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}
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@@ -4256,10 +4291,10 @@ int mbedtls_ssl_handshake_server_step( mbedtls_ssl_context *ssl )
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if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
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ssl->handshake->retransmit_state == MBEDTLS_SSL_RETRANS_SENDING )
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{
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if( ( ret = mbedtls_ssl_resend( ssl ) ) != 0 )
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if( ( ret = mbedtls_ssl_flight_transmit( ssl ) ) != 0 )
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return( ret );
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}
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#endif
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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switch( ssl->state )
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{
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