1 files changed, 6 insertions, 4 deletions

diff --git a/src/lib/libcrypto/rsa/rsa_chk.c b/src/lib/libcrypto/rsa/rsa_chk.c
index c247a8d80e..efe9431f2d 100644
--- a/src/lib/libcrypto/rsa/rsa_chk.c
+++ b/src/lib/libcrypto/rsa/rsa_chk.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rsa_chk.c,v 1.9 2014/07/10 07:43:11 jsing Exp $ */
+/* $OpenBSD: rsa_chk.c,v 1.10 2017/01/21 10:38:29 beck Exp $ */
 /* ====================================================================
  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
  *
@@ -52,6 +52,8 @@
 #include <openssl/err.h>
 #include <openssl/rsa.h>
 
+#include "bn_lcl.h"
+
 int
 RSA_check_key(const RSA *key)
 {
@@ -132,7 +134,7 @@ RSA_check_key(const RSA *key)
                 ret = -1;
                 goto err;
         }
-        r = BN_div(k, NULL, l, m, ctx); /* remainder is 0 */
+        r = BN_div_ct(k, NULL, l, m, ctx); /* remainder is 0 */
         if (!r) {
                 ret = -1;
                 goto err;
@@ -157,7 +159,7 @@ RSA_check_key(const RSA *key)
                         goto err;
                 }
 
-                r = BN_mod(j, key->d, i, ctx);
+                r = BN_mod_ct(j, key->d, i, ctx);
                 if (!r) {
                         ret = -1;
                         goto err;
@@ -176,7 +178,7 @@ RSA_check_key(const RSA *key)
                         goto err;
                 }
 
-                r = BN_mod(j, key->d, i, ctx);
+                r = BN_mod_ct(j, key->d, i, ctx);
                 if (!r) {
                         ret = -1;
                         goto err;