diff options
| -rw-r--r-- | crypto/dh/dh_key.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c index 6901548ed6..752542b556 100644 --- a/crypto/dh/dh_key.c +++ b/crypto/dh/dh_key.c @@ -78,10 +78,15 @@ static int generate_key(DH *dh) int ok = 0; int generate_new_key = 0; unsigned l; - BN_CTX *ctx; + BN_CTX *ctx = NULL; BN_MONT_CTX *mont = NULL; BIGNUM *pub_key = NULL, *priv_key = NULL; + if (BN_num_bits(dh->p) > OPENSSL_DH_MAX_MODULUS_BITS) { + DHerr(DH_F_GENERATE_KEY, DH_R_MODULUS_TOO_LARGE); + return 0; + } + ctx = BN_CTX_new(); if (ctx == NULL) goto err; |