diff options
Diffstat (limited to 'crypto/rsa/rsa_x931g.c')
-rw-r--r-- | crypto/rsa/rsa_x931g.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/rsa/rsa_x931g.c b/crypto/rsa/rsa_x931g.c index 3563670a12ac..15e40e8d1dd7 100644 --- a/crypto/rsa/rsa_x931g.c +++ b/crypto/rsa/rsa_x931g.c @@ -128,6 +128,8 @@ int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1, /* calculate inverse of q mod p */ rsa->iqmp = BN_mod_inverse(NULL, rsa->q, rsa->p, ctx2); + if (rsa->iqmp == NULL) + goto err; ret = 1; err: |