lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-07-29 11:41:15 +03:00
Code Activity

Avoid in-out length in dhm_calc_secret()

Browse Source
This commit is contained in:
Manuel Pégourié-Gonnard
2015-06-02 16:17:08 +01:00
parent f79b425226
commit 3335205a21
9 changed files with 20 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
library/ssl_tls.c
View File

@ -1114,11 +1114,11 @@ int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exch
if( key_ex == MBEDTLS_KEY_EXCHANGE_DHE_PSK )
{
int ret;
size_t len = end - ( p + 2 );
size_t len;
/* Write length only when we know the actual value */
if( ( ret = mbedtls_dhm_calc_secret( &ssl->handshake->dhm_ctx,
p + 2, &len,
p + 2, end - ( p + 2 ), &len,
ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_calc_secret", ret );