(DH_compute_key): check public key

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16588 ec53bebd-3082-4978-b11e-865c3cabbd6b
2006-01-18 15:58:43 +00:00
parent d9e74e4571
commit cb17a3698f
1 changed files with 5 additions and 0 deletions
--- 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);
 }