diff options
| author | Ulf Möller <ulf@openssl.org> | 2000-02-01 23:48:55 +0000 |
|---|---|---|
| committer | Ulf Möller <ulf@openssl.org> | 2000-02-01 23:48:55 +0000 |
| commit | 1399f17a0733b776c363f18225a1461b3a6f8cb7 (patch) | |
| tree | cb44b2e487838362689155844d566158ecc29c67 /crypto/bn/bn_prime.c | |
| parent | 0bde1089f895718db2fe2637fda4a0c2ed6df904 (diff) | |
Bug fix: BN_is_prime() would fail with a high probability for small
primes (negligible for larger ones).
Diffstat (limited to 'crypto/bn/bn_prime.c')
| -rw-r--r-- | crypto/bn/bn_prime.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/bn/bn_prime.c b/crypto/bn/bn_prime.c index e2cfef3725..f6de801263 100644 --- a/crypto/bn/bn_prime.c +++ b/crypto/bn/bn_prime.c @@ -204,6 +204,7 @@ int BN_is_prime_fasttest(BIGNUM *a, int checks, if (!BN_pseudo_rand(check,BN_num_bits(a),0,0)) goto err; if (BN_cmp(check, a) >= 0) BN_sub(check, check, a); + if (BN_is_zero(check)) BN_one(check); j=witness(check,a,ctx,ctx2,mont); if (j == -1) goto err; if (j) |