From cb17a3698f6983fd1b8bfb9d311b9c2cbfa8e7ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Wed, 18 Jan 2006 15:58:43 +0000
Subject: [PATCH] (DH_compute_key): check public key

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16588 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/des/dh.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/des/dh.c b/lib/des/dh.c
index a598ca72b..c12c2731c 100644
--- a/lib/des/dh.c
+++ b/lib/des/dh.c
@@ -199,6 +199,11 @@ int
 DH_compute_key(unsigned char *shared_key,
 	       const BIGNUM *peer_pub_key, DH *dh)
 {
+    int codes;
+
+    if (!DH_check_pubkey(dh, peer_pub_key, &codes))
+	return 0;
+
     return dh->meth->compute_key(shared_key, peer_pub_key, dh);
 }