diff options
Diffstat (limited to 'crypto/dh')
| -rw-r--r-- | crypto/dh/dh_check.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/dh/dh_check.c b/crypto/dh/dh_check.c index 8d2e096c08..fcc1d99ad7 100644 --- a/crypto/dh/dh_check.c +++ b/crypto/dh/dh_check.c @@ -68,10 +68,14 @@ int DH_check(const DH *dh, int *ret) } else if (BN_is_word(dh->g, DH_GENERATOR_2)) { l = BN_mod_word(dh->p, 24); + if (l == (BN_ULONG)-1) + goto err; if (l != 11) *ret |= DH_NOT_SUITABLE_GENERATOR; } else if (BN_is_word(dh->g, DH_GENERATOR_5)) { l = BN_mod_word(dh->p, 10); + if (l == (BN_ULONG)-1) + goto err; if ((l != 3) && (l != 7)) *ret |= DH_NOT_SUITABLE_GENERATOR; } else |