fix clang build fail
@@ -655,7 +655,6 @@ int mbedtls_ssl_tls13_calculate_verify_data( mbedtls_ssl_context* ssl,
size_t transcript_len;
unsigned char *base_key = NULL;
- size_t base_key_len;
mbedtls_md_type_t const md_type = ssl->handshake->ciphersuite_info->mac;
const mbedtls_md_info_t* const md_info =
@@ -678,15 +677,9 @@ int mbedtls_ssl_tls13_calculate_verify_data( mbedtls_ssl_context* ssl,
MBEDTLS_SSL_DEBUG_BUF( 4, "handshake hash", transcript, transcript_len );
if( from == MBEDTLS_SSL_IS_CLIENT )
- {
base_key = ssl->handshake->tls13_hs_secrets.client_handshake_traffic_secret;
- base_key_len = sizeof( ssl->handshake->tls13_hs_secrets.client_handshake_traffic_secret );
- }
else
- {
base_key = ssl->handshake->tls13_hs_secrets.server_handshake_traffic_secret;
- base_key_len = sizeof( ssl->handshake->tls13_hs_secrets.server_handshake_traffic_secret );
- }
ret = ssl_tls13_calc_finished_core( md_type, base_key, transcript, dst );
if( ret != 0 )
@@ -698,7 +691,10 @@ int mbedtls_ssl_tls13_calculate_verify_data( mbedtls_ssl_context* ssl,
exit:
/* Erase handshake secrets */
- mbedtls_platform_zeroize( base_key, base_key_len );
+ if( from == MBEDTLS_SSL_IS_CLIENT )
+ mbedtls_platform_zeroize( base_key, sizeof( ssl->handshake->tls13_hs_secrets.client_handshake_traffic_secret ) );
+ else
+ mbedtls_platform_zeroize( base_key, sizeof( ssl->handshake->tls13_hs_secrets.server_handshake_traffic_secret ) );
mbedtls_platform_zeroize( transcript, sizeof( transcript ) );
return( ret );
}
