mirror of
https://github.com/Mbed-TLS/mbedtls.git
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move write_finished
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu
parent
2a9fff571d
commit
3c8e47bbbf
@ -1009,115 +1009,6 @@ static void ssl_update_checksum_sha384( mbedtls_ssl_context *ssl,
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#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
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int mbedtls_ssl_write_finished( mbedtls_ssl_context *ssl )
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{
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int ret, hash_len;
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write finished" ) );
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mbedtls_ssl_update_out_pointers( ssl, ssl->transform_negotiate );
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ssl->handshake->calc_finished( ssl, ssl->out_msg + 4, ssl->conf->endpoint );
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/*
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* RFC 5246 7.4.9 (Page 63) says 12 is the default length and ciphersuites
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* may define some other value. Currently (early 2016), no defined
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* ciphersuite does this (and this is unlikely to change as activity has
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* moved to TLS 1.3 now) so we can keep the hardcoded 12 here.
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*/
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hash_len = 12;
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#if defined(MBEDTLS_SSL_RENEGOTIATION)
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ssl->verify_data_len = hash_len;
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memcpy( ssl->own_verify_data, ssl->out_msg + 4, hash_len );
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#endif
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ssl->out_msglen = 4 + hash_len;
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ssl->out_msgtype = MBEDTLS_SSL_MSG_HANDSHAKE;
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ssl->out_msg[0] = MBEDTLS_SSL_HS_FINISHED;
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/*
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* In case of session resuming, invert the client and server
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* ChangeCipherSpec messages order.
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*/
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if( ssl->handshake->resume != 0 )
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{
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#if defined(MBEDTLS_SSL_CLI_C)
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if( ssl->conf->endpoint == MBEDTLS_SSL_IS_CLIENT )
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ssl->state = MBEDTLS_SSL_HANDSHAKE_WRAPUP;
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#endif
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#if defined(MBEDTLS_SSL_SRV_C)
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if( ssl->conf->endpoint == MBEDTLS_SSL_IS_SERVER )
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ssl->state = MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC;
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#endif
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}
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else
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ssl->state++;
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/*
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* Switch to our negotiated transform and session parameters for outbound
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* data.
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*/
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MBEDTLS_SSL_DEBUG_MSG( 3, ( "switching to new transform spec for outbound data" ) );
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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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{
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unsigned char i;
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/* Remember current epoch settings for resending */
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ssl->handshake->alt_transform_out = ssl->transform_out;
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memcpy( ssl->handshake->alt_out_ctr, ssl->cur_out_ctr,
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sizeof( ssl->handshake->alt_out_ctr ) );
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/* Set sequence_number to zero */
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memset( &ssl->cur_out_ctr[2], 0, sizeof( ssl->cur_out_ctr ) - 2 );
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/* Increment epoch */
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for( i = 2; i > 0; i-- )
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if( ++ssl->cur_out_ctr[i - 1] != 0 )
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break;
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/* The loop goes to its end iff the counter is wrapping */
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if( i == 0 )
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{
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MBEDTLS_SSL_DEBUG_MSG( 1, ( "DTLS epoch would wrap" ) );
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return( MBEDTLS_ERR_SSL_COUNTER_WRAPPING );
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}
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}
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else
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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memset( ssl->cur_out_ctr, 0, sizeof( ssl->cur_out_ctr ) );
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ssl->transform_out = ssl->transform_negotiate;
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ssl->session_out = ssl->session_negotiate;
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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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mbedtls_ssl_send_flight_completed( ssl );
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#endif
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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_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
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write finished" ) );
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return( 0 );
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}
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#define SSL_MAX_HASH_LEN 12
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int mbedtls_ssl_parse_finished( mbedtls_ssl_context *ssl )
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@ -7970,6 +7861,115 @@ void mbedtls_ssl_handshake_wrapup( mbedtls_ssl_context *ssl )
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MBEDTLS_SSL_DEBUG_MSG( 3, ( "<= handshake wrapup" ) );
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}
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int mbedtls_ssl_write_finished( mbedtls_ssl_context *ssl )
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{
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int ret, hash_len;
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write finished" ) );
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mbedtls_ssl_update_out_pointers( ssl, ssl->transform_negotiate );
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ssl->handshake->calc_finished( ssl, ssl->out_msg + 4, ssl->conf->endpoint );
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/*
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* RFC 5246 7.4.9 (Page 63) says 12 is the default length and ciphersuites
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* may define some other value. Currently (early 2016), no defined
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* ciphersuite does this (and this is unlikely to change as activity has
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* moved to TLS 1.3 now) so we can keep the hardcoded 12 here.
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*/
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hash_len = 12;
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#if defined(MBEDTLS_SSL_RENEGOTIATION)
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ssl->verify_data_len = hash_len;
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memcpy( ssl->own_verify_data, ssl->out_msg + 4, hash_len );
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#endif
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ssl->out_msglen = 4 + hash_len;
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ssl->out_msgtype = MBEDTLS_SSL_MSG_HANDSHAKE;
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ssl->out_msg[0] = MBEDTLS_SSL_HS_FINISHED;
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/*
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* In case of session resuming, invert the client and server
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* ChangeCipherSpec messages order.
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*/
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if( ssl->handshake->resume != 0 )
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{
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#if defined(MBEDTLS_SSL_CLI_C)
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if( ssl->conf->endpoint == MBEDTLS_SSL_IS_CLIENT )
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ssl->state = MBEDTLS_SSL_HANDSHAKE_WRAPUP;
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#endif
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#if defined(MBEDTLS_SSL_SRV_C)
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if( ssl->conf->endpoint == MBEDTLS_SSL_IS_SERVER )
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ssl->state = MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC;
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#endif
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}
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else
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ssl->state++;
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/*
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* Switch to our negotiated transform and session parameters for outbound
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* data.
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*/
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MBEDTLS_SSL_DEBUG_MSG( 3, ( "switching to new transform spec for outbound data" ) );
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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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{
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unsigned char i;
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/* Remember current epoch settings for resending */
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ssl->handshake->alt_transform_out = ssl->transform_out;
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memcpy( ssl->handshake->alt_out_ctr, ssl->cur_out_ctr,
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sizeof( ssl->handshake->alt_out_ctr ) );
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/* Set sequence_number to zero */
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memset( &ssl->cur_out_ctr[2], 0, sizeof( ssl->cur_out_ctr ) - 2 );
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/* Increment epoch */
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for( i = 2; i > 0; i-- )
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if( ++ssl->cur_out_ctr[i - 1] != 0 )
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break;
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/* The loop goes to its end iff the counter is wrapping */
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if( i == 0 )
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{
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MBEDTLS_SSL_DEBUG_MSG( 1, ( "DTLS epoch would wrap" ) );
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return( MBEDTLS_ERR_SSL_COUNTER_WRAPPING );
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}
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}
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else
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#endif /* MBEDTLS_SSL_PROTO_DTLS */
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memset( ssl->cur_out_ctr, 0, sizeof( ssl->cur_out_ctr ) );
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ssl->transform_out = ssl->transform_negotiate;
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ssl->session_out = ssl->session_negotiate;
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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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mbedtls_ssl_send_flight_completed( ssl );
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#endif
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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_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
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write finished" ) );
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return( 0 );
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}
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#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
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#endif /* MBEDTLS_SSL_TLS_C */
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