===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/packet.c,v
retrieving revision 1.176
retrieving revision 1.177
diff -u -r1.176 -r1.177
--- src/usr.bin/ssh/packet.c	2012/01/25 19:40:09	1.176
+++ src/usr.bin/ssh/packet.c	2012/09/17 13:04:11	1.177
@@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.176 2012/01/25 19:40:09 markus Exp $ */
+/* $OpenBSD: packet.c,v 1.177 2012/09/17 13:04:11 markus Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -746,6 +746,9 @@
 		mac  = &active_state->newkeys[mode]->mac;
 		comp = &active_state->newkeys[mode]->comp;
 		mac_clear(mac);
+		memset(enc->iv,  0, enc->block_size);
+		memset(enc->key, 0, enc->key_len);
+		memset(mac->key, 0, mac->key_len);
 		xfree(enc->name);
 		xfree(enc->iv);
 		xfree(enc->key);