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Add local variable to represent handshake

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2021-10-11 16:39:29 +08:00
parent 42920ec5a5
commit 5ccfcd4ca1
1 changed files with 10 additions and 8 deletions
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18
library/ssl_tls13_keys.c
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@ -826,17 +826,18 @@ int mbedtls_ssl_tls1_3_key_schedule_stage_early( mbedtls_ssl_context *ssl )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
mbedtls_md_type_t md_type;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
if( ssl->handshake->ciphersuite_info == NULL )
if( handshake->ciphersuite_info == NULL )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "cipher suite info not found" ) );
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
md_type = ssl->handshake->ciphersuite_info->mac;
md_type = handshake->ciphersuite_info->mac;
ret = mbedtls_ssl_tls1_3_evolve_secret( md_type, NULL, NULL, 0,
ssl->handshake->tls1_3_master_secrets.early );
handshake->tls1_3_master_secrets.early );
if( ret != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls1_3_evolve_secret", ret );
@ -1015,7 +1016,8 @@ static int ssl_tls1_3_complete_ephemeral_secret( mbedtls_ssl_context *ssl,
int mbedtls_ssl_tls1_3_key_schedule_stage_handshake( mbedtls_ssl_context *ssl )
{
int ret = 0;
mbedtls_md_type_t const md_type = ssl->handshake->ciphersuite_info->mac;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
mbedtls_md_type_t const md_type = handshake->ciphersuite_info->mac;
#if defined(MBEDTLS_DEBUG_C)
mbedtls_md_info_t const * const md_info = mbedtls_md_info_from_type( md_type );
size_t const md_size = mbedtls_md_get_size( md_info );
@ -1037,9 +1039,9 @@ int mbedtls_ssl_tls1_3_key_schedule_stage_handshake( mbedtls_ssl_context *ssl )
*/
ret = mbedtls_ssl_tls1_3_evolve_secret( md_type,
ssl->handshake->tls1_3_master_secrets.early,
ephemeral, ephemeral_len,
ssl->handshake->tls1_3_master_secrets.handshake );
handshake->tls1_3_master_secrets.early,
ephemeral, ephemeral_len,
handshake->tls1_3_master_secrets.handshake );
if( ret != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls1_3_evolve_secret", ret );
@ -1047,7 +1049,7 @@ int mbedtls_ssl_tls1_3_key_schedule_stage_handshake( mbedtls_ssl_context *ssl )
}
MBEDTLS_SSL_DEBUG_BUF( 4, "Handshake secret",
ssl->handshake->tls1_3_master_secrets.handshake, md_size );
handshake->tls1_3_master_secrets.handshake, md_size );
#if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDHE_ENABLED)
mbedtls_platform_zeroize( ecdhe, sizeof( ecdhe ) );