diff options
Diffstat (limited to 'crypto/openssl/crypto/dh/dh_check.c')
| -rw-r--r-- | crypto/openssl/crypto/dh/dh_check.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/crypto/openssl/crypto/dh/dh_check.c b/crypto/openssl/crypto/dh/dh_check.c index 5adedc0..0277041 100644 --- a/crypto/openssl/crypto/dh/dh_check.c +++ b/crypto/openssl/crypto/dh/dh_check.c @@ -160,13 +160,12 @@ int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret) goto err; BN_CTX_start(ctx); tmp = BN_CTX_get(ctx); - if (tmp == NULL) + if (tmp == NULL || !BN_set_word(tmp, 1)) goto err; - BN_set_word(tmp, 1); if (BN_cmp(pub_key, tmp) <= 0) *ret |= DH_CHECK_PUBKEY_TOO_SMALL; - BN_copy(tmp, dh->p); - BN_sub_word(tmp, 1); + if (BN_copy(tmp, dh->p) == NULL || !BN_sub_word(tmp, 1)) + goto err; if (BN_cmp(pub_key, tmp) >= 0) *ret |= DH_CHECK_PUBKEY_TOO_LARGE; |
