1 files changed, 4 insertions, 3 deletions

diff --git a/auth1.c b/auth1.c
index b7dfa987e..0f6be8201 100644
--- a/auth1.c
+++ b/auth1.c
@@ -10,7 +10,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth1.c,v 1.60 2005/05/20 12:57:01 djm Exp $");
+RCSID("$OpenBSD: auth1.c,v 1.61 2005/06/17 02:44:32 djm Exp $");
 
 #include "xmalloc.h"
 #include "rsa.h"
@@ -140,7 +140,7 @@ auth1_process_rsa(Authctxt *authctxt, char *info, size_t infolen)
 static int
 auth1_process_rhosts_rsa(Authctxt *authctxt, char *info, size_t infolen)
 {
-        int authenticated = 0;
+        int keybits, authenticated = 0;
         u_int bits;
         Key *client_host_key;
         u_int ulen;
@@ -158,7 +158,8 @@ auth1_process_rhosts_rsa(Authctxt *authctxt, char *info, size_t infolen)
         packet_get_bignum(client_host_key->rsa->e);
         packet_get_bignum(client_host_key->rsa->n);
 
-        if (bits != BN_num_bits(client_host_key->rsa->n)) {
+        keybits = BN_num_bits(client_host_key->rsa->n);
+        if (keybits < 0 || bits != (u_int)keybits) {
                 verbose("Warning: keysize mismatch for client_host_key: "
                     "actual %d, announced %d",
                     BN_num_bits(client_host_key->rsa->n), bits);