From c766b403509d9140d03d404baaa2371c9b97df47 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Fri, 20 Oct 2006 06:56:57 +0000
Subject: [PATCH] (dh_compute_key): fix signness test

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@18645 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/des/dh-imath.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/des/dh-imath.c b/lib/des/dh-imath.c
index 7bc05b477..c900e35b8 100644
--- a/lib/des/dh-imath.c
+++ b/lib/des/dh-imath.c
@@ -173,7 +173,7 @@ dh_compute_key(unsigned char *shared, const BIGNUM * pub, DH *dh)
     BN2mpz(&peer_pub, pub);
 
     /* check if peers pubkey is reasonable */
-    if (MP_SIGN(&peer_pub) != 1
+    if (MP_SIGN(&peer_pub) == MP_NEG
 	|| mp_int_compare(&peer_pub, &p) >= 0
 	|| mp_int_compare_value(&peer_pub, 1) <= 0)
     {