1 files changed, 5 insertions, 4 deletions

diff --git a/auth-rsa.c b/auth-rsa.c
index 250e9cf78..7afcaee31 100644
--- a/auth-rsa.c
+++ b/auth-rsa.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auth-rsa.c,v 1.74 2010/03/04 10:36:03 djm Exp $ */
+/* $OpenBSD: auth-rsa.c,v 1.78 2010/07/13 23:13:16 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -34,11 +34,11 @@
 #include "uidswap.h"
 #include "match.h"
 #include "buffer.h"
-#include "auth-options.h"
 #include "pathnames.h"
 #include "log.h"
 #include "servconf.h"
 #include "key.h"
+#include "auth-options.h"
 #include "hostfile.h"
 #include "auth.h"
 #ifdef GSSAPI
@@ -116,7 +116,7 @@ auth_rsa_verify_response(Key *key, BIGNUM *challenge, u_char response[16])
         MD5_Final(mdbuf, &md);
 
         /* Verify that the response is the original challenge. */
-        if (memcmp(response, mdbuf, 16) != 0) {
+        if (timingsafe_bcmp(response, mdbuf, 16) != 0) {
                 /* Wrong answer. */
                 return (0);
         }
@@ -256,7 +256,8 @@ auth_rsa_key_allowed(struct passwd *pw, BIGNUM *client_n, Key **rkey)
                  */
                 if (!auth_parse_options(pw, key_options, file, linenum))
                         continue;
-
+                if (key_is_cert_authority)
+                        continue;
                 /* break out, this key is allowed */
                 allowed = 1;
                 break;