Merge pull request #9022 from lealem47/check_rsa_u

Check that u value isn't zero in RsaFunctionPrivate
This commit is contained in:
Sean Parkinson
2025-07-22 16:19:12 +10:00
committed by GitHub

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@@ -2593,7 +2593,7 @@ static int RsaFunctionPrivate(mp_int* tmp, RsaKey* key, WC_RNG* rng)
}
#else
if (ret == 0 && (mp_iszero(&key->p) || mp_iszero(&key->q) ||
mp_iszero(&key->dP) || mp_iszero(&key->dQ))) {
mp_iszero(&key->dP) || mp_iszero(&key->dQ) || mp_iszero(&key->u))) {
if (mp_exptmod(tmp, &key->d, &key->n, tmp) != MP_OKAY) {
ret = MP_EXPTMOD_E;
}