Add ct and nonct versions of BN_mod_inverse for internal use

ok jsing@

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/gost/gostr341001.c b/src/lib/libcrypto/gost/gostr341001.c
index 5fb494009c..39749394af 100644
--- a/src/lib/libcrypto/gost/gostr341001.c
+++ b/src/lib/libcrypto/gost/gostr341001.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: gostr341001.c,v 1.5 2017/01/21 10:38:29 beck Exp $ */
+/* $OpenBSD: gostr341001.c,v 1.6 2017/01/21 11:00:47 beck Exp $ */
 /*
  * Copyright (c) 2014 Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
  * Copyright (c) 2005-2006 Cryptocom LTD
@@ -294,7 +294,7 @@ gost2001_do_verify(BIGNUM *md, ECDSA_SIG *sig, GOST_KEY *ec)
                 goto err;
         if (BN_is_zero(e))
                 BN_one(e);
-        if ((v = BN_mod_inverse(v, e, order, ctx)) == NULL)
+        if ((v = BN_mod_inverse_ct(v, e, order, ctx)) == NULL)
                 goto err;
         if (BN_mod_mul(z1, sig->s, v, order, ctx) == 0)
                 goto err;