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Merge pull request #9892 from embhorn/f380-381-382

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Hardening in wc_MakeDsaKey and wc_FreeDsaKey
This commit is contained in:
Daniel Pouzzner
2026-03-06 22:37:44 -06:00
committed by GitHub
parent 396b5ec1da 355081b123
commit 031c87407d
1 changed files with 3 additions and 5 deletions
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wolfcrypt/src/dsa.c
+3 -5
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@@ -85,10 +85,7 @@ void wc_FreeDsaKey(DsaKey* key)
if (key == NULL)
return;
if (key->type == DSA_PRIVATE)
mp_forcezero(&key->x);
mp_clear(&key->x);
mp_forcezero(&key->x);
mp_clear(&key->y);
mp_clear(&key->g);
mp_clear(&key->q);
@@ -227,10 +224,11 @@ int wc_MakeDsaKey(WC_RNG *rng, DsaKey *dsa)
dsa->type = DSA_PRIVATE;
if (err != MP_OKAY) {
mp_clear(&dsa->x);
mp_forcezero(&dsa->x);
mp_clear(&dsa->y);
}
ForceZero(cBuf, (word32)cSz);
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_NO_MALLOC)
XFREE(cBuf, dsa->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (tmpQ != NULL) {