1 files changed, 5 insertions, 4 deletions

diff --git a/kexgexs.c b/kexgexs.c
index 5373a633a..863e15172 100644
--- a/kexgexs.c
+++ b/kexgexs.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kexgexs.c,v 1.8 2006/08/03 03:34:42 deraadt Exp $ */
+/* $OpenBSD: kexgexs.c,v 1.9 2006/10/31 16:33:12 markus Exp $ */
 /*
  * Copyright (c) 2000 Niels Provos.  All rights reserved.
  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
@@ -55,8 +55,8 @@ kexgex_server(Kex *kex)
         Key *server_host_key;
         DH *dh;
         u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL;
-        u_int sbloblen, klen, kout, slen, hashlen;
-        int min = -1, max = -1, nbits = -1, type;
+        u_int sbloblen, klen, slen, hashlen;
+        int min = -1, max = -1, nbits = -1, type, kout;
 
         if (kex->load_host_key == NULL)
                 fatal("Cannot load hostkey");
@@ -134,7 +134,8 @@ kexgex_server(Kex *kex)
 
         klen = DH_size(dh);
         kbuf = xmalloc(klen);
-        kout = DH_compute_key(kbuf, dh_client_pub, dh);
+        if ((kout = DH_compute_key(kbuf, dh_client_pub, dh)) < 0)
+                fatal("DH_compute_key: failed");
 #ifdef DEBUG_KEXDH
         dump_digest("shared secret", kbuf, kout);
 #endif