Check that u value isn't zero in RsaFunctionPrivate

This commit is contained in:
Lealem Amedie
2025-07-21 10:45:43 -06:00
parent decea12e22
commit 8df20d6966

View File

@@ -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;
}