1 files changed, 4 insertions, 2 deletions

diff --git a/src/lib/libcrypto/dsa/dsa_ossl.c b/src/lib/libcrypto/dsa/dsa_ossl.c
index a28d3e9d1a..3f01a83a44 100644
--- a/src/lib/libcrypto/dsa/dsa_ossl.c
+++ b/src/lib/libcrypto/dsa/dsa_ossl.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dsa_ossl.c,v 1.26 2016/06/21 04:16:53 bcook Exp $ */
+/* $OpenBSD: dsa_ossl.c,v 1.27 2017/01/21 09:38:59 beck Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -66,6 +66,8 @@
 #include <openssl/err.h>
 #include <openssl/sha.h>
 
+#include "bn_lcl.h"
+
 static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
 static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
             BIGNUM **rp);
@@ -238,7 +240,7 @@ dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
                                         dsa->method_mont_p))
                         goto err;
         } else {
-                if (!BN_mod_exp_mont(r, dsa->g, &k, dsa->p, ctx, dsa->method_mont_p))
+                if (!BN_mod_exp_mont_ct(r, dsa->g, &k, dsa->p, ctx, dsa->method_mont_p))
                         goto err;
         }