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Merge pull request #9022 from lealem47/check_rsa_u

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Check that u value isn't zero in RsaFunctionPrivate
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Sean Parkinson
2025-07-22 16:19:12 +10:00
committed by GitHub
parent decea12e22 8df20d6966
commit f1175043f3
1 changed files with 1 additions and 1 deletions
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wolfcrypt/src/rsa.c
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@@ -2593,7 +2593,7 @@ static int RsaFunctionPrivate(mp_int* tmp, RsaKey* key, WC_RNG* rng)
} }
#else #else
if (ret == 0 && (mp_iszero(&key->p) || mp_iszero(&key->q) || 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) { if (mp_exptmod(tmp, &key->d, &key->n, tmp) != MP_OKAY) {
ret = MP_EXPTMOD_E; ret = MP_EXPTMOD_E;
} }