Commit 3b16099e authored Dec 11, 2018 by Mansour Ahmadi Committed by Matt Caswell Dec 13, 2018

add missing check for BN_mod_inverse



Fixes #7650

Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7876)

(cherry picked from commit 55833a8d)

parent 5db5edc9

crypto/rsa/rsa_x931g.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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: