feedc0de/wolfssl
1
0
Fork 0
forked from wolfSSL/wolfssl
Code Pull Requests Activity

Merge pull request #4268 from JacobBarthelmeh/ECC

Browse Source 
fix for memset with small stack
This commit is contained in:
David Garske
2021-08-02 09:53:21 -07:00
committed by GitHub
parent a5b55344b1 725f95364d
commit 9600d533c1
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
wolfcrypt/src/ecc.c
View File

@ -6003,7 +6003,7 @@ int wc_ecc_gen_deterministic_k(const byte* hash, word32 hashSz,
if (ret == 0) { if (ret == 0) {
/* right shift by bits in hash minus bits in order */ /* right shift by bits in hash minus bits in order */
mp_rshb(&z1, (hashSz * WOLFSSL_BIT_SIZE) - qbits); mp_rshb(&z1, (hashSz * WOLFSSL_BIT_SIZE) - qbits);
XMEMSET(h1, 0, sizeof(h1)); XMEMSET(h1, 0, WC_MAX_DIGEST_SIZE);
/* mod reduce by order using conditional subtract */ /* mod reduce by order using conditional subtract */
if (mp_cmp(&z1, order) == MP_GT) { if (mp_cmp(&z1, order) == MP_GT) {