- dtucker@cvs.openbsd.org 2010/01/09 11:17:56

[openssh.git] / kexdhs.c

diff --git a/kexdhs.c b/kexdhs.c
index 5de43430979602c98ddb0311ac008d1f05b2a1d2..a6719f6722f6474334d04604c6e4f97d1c36279e 100644 (file)
--- a/kexdhs.c
+++ b/kexdhs.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kexdhs.c,v 1.8 2006/10/31 16:33:12 markus Exp $ */
+/* $OpenBSD: kexdhs.c,v 1.10 2009/06/21 07:37:15 dtucker Exp $ */
 /*
  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
  *
@@ -108,7 +108,8 @@ kexdh_server(Kex *kex)
 #endif
        if ((shared_secret = BN_new()) == NULL)
                fatal("kexdh_server: BN_new failed");
-       BN_bin2bn(kbuf, kout, shared_secret);
+       if (BN_bin2bn(kbuf, kout, shared_secret) == NULL)
+               fatal("kexdh_server: BN_bin2bn failed");
        memset(kbuf, 0, klen);
        xfree(kbuf);
 
@@ -136,7 +137,9 @@ kexdh_server(Kex *kex)
        }
 
        /* sign H */
-       PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, hashlen));
+       if (PRIVSEP(key_sign(server_host_key, &signature, &slen, hash,
+           hashlen)) < 0)
+               fatal("kexdh_server: key_sign failed");
 
        /* destroy_sensitive_data(); */