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Change ssl_cli to new MD API and check return code

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This commit is contained in:
Andres Amaya Garcia 2017-06-28 12:11:42 +01:00
parent 698089e07e
commit f0e521e9f1
1 changed files with 41 additions and 18 deletions
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59
library/ssl_cli.c
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@ -2493,8 +2493,7 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
mbedtls_md5_context mbedtls_md5;
mbedtls_sha1_context mbedtls_sha1;
mbedtls_md5_init( &mbedtls_md5 );
mbedtls_sha1_init( &mbedtls_sha1 );
mbedtls_md5_init( &mbedtls_md5 );
hashlen = 36;
@ -2511,17 +2510,39 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
* SHA(ClientHello.random + ServerHello.random
* + ServerParams);
*/
mbedtls_md5_starts( &mbedtls_md5 );
mbedtls_md5_update( &mbedtls_md5, ssl->handshake->randbytes, 64 );
mbedtls_md5_update( &mbedtls_md5, params, params_len );
mbedtls_md5_finish( &mbedtls_md5, hash );
if( ( ret = mbedtls_md5_starts_ext( &mbedtls_md5 ) ) != 0 ||
( ret = mbedtls_md5_update_ext( &mbedtls_md5,
ssl->handshake->randbytes, 64 ) ) != 0 ||
( ret = mbedtls_md5_update_ext( &mbedtls_md5, params,
params_len ) ) != 0 ||
( ret = mbedtls_md5_finish_ext( &mbedtls_md5, hash ) ) != 0 )
{
mbedtls_md5_free( &mbedtls_md5 );
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_md5_*", ret );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR );
return( ret );
}
mbedtls_sha1_starts( &mbedtls_sha1 );
mbedtls_sha1_update( &mbedtls_sha1, ssl->handshake->randbytes, 64 );
mbedtls_sha1_update( &mbedtls_sha1, params, params_len );
mbedtls_sha1_finish( &mbedtls_sha1, hash + 16 );
mbedtls_md5_free( &mbedtls_md5 );
mbedtls_sha1_init( &mbedtls_sha1 );
if( ( ret = mbedtls_sha1_starts_ext( &mbedtls_sha1 ) ) != 0 ||
( ret = mbedtls_sha1_update_ext( &mbedtls_sha1,
ssl->handshake->randbytes, 64 ) ) != 0 ||
( ret = mbedtls_sha1_update_ext( &mbedtls_sha1, params,
params_len ) ) != 0 ||
( ret = mbedtls_sha1_finish_ext( &mbedtls_sha1,
hash + 16 ) ) != 0 )
{
mbedtls_sha1_free( &mbedtls_sha1 );
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_sha1_*", ret );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR );
return( ret );
}
mbedtls_md5_free( &mbedtls_md5 );
mbedtls_sha1_free( &mbedtls_sha1 );
}
else
@ -2532,6 +2553,7 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
if( md_alg != MBEDTLS_MD_NONE )
{
mbedtls_md_context_t ctx;
const mbedtls_md_info_t *md_info = mbedtls_md_info_from_type( md_alg );
mbedtls_md_init( &ctx );
@ -2545,19 +2567,20 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
* ServerDHParams params;
* };
*/
if( ( ret = mbedtls_md_setup( &ctx,
mbedtls_md_info_from_type( md_alg ), 0 ) ) != 0 )
if( ( ret = mbedtls_md_setup( &ctx, md_info, 0 ) ) != 0 ||
( ret = mbedtls_md_starts( &ctx ) ) != 0 ||
( ret = mbedtls_md_update( &ctx,
ssl->handshake->randbytes, 64 ) ) != 0 ||
( ret = mbedtls_md_update( &ctx, params, params_len ) ) != 0 ||
( ret = mbedtls_md_finish( &ctx, hash ) ) != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_md_setup", ret );
mbedtls_md_free( &ctx );
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_md_*", ret );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR );
return( ret );
}
mbedtls_md_starts( &ctx );
mbedtls_md_update( &ctx, ssl->handshake->randbytes, 64 );
mbedtls_md_update( &ctx, params, params_len );
mbedtls_md_finish( &ctx, hash );
mbedtls_md_free( &ctx );
}
else