From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262737AbTFTKiz (ORCPT ); Fri, 20 Jun 2003 06:38:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262763AbTFTKiz (ORCPT ); Fri, 20 Jun 2003 06:38:55 -0400 Received: from ns.suse.de ([213.95.15.193]:24843 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S262737AbTFTKiw (ORCPT ); Fri, 20 Jun 2003 06:38:52 -0400 Date: Fri, 20 Jun 2003 12:52:53 +0200 From: Andi Kleen To: Andi Kleen Cc: J?rn Engel , Fruhwirth Clemens , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Initial Vector Fix for loop.c. Message-ID: <20030620105253.GA9187@wotan.suse.de> References: <20030620090612.GA1322@ghanima.endorphin.org.suse.lists.linux.kernel> <20030620101452.GA2233@ghanima.endorphin.org> <20030620102455.GC26678@wotan.suse.de> <20030620103538.GA28711@wohnheim.fh-wedel.de> <20030620104953.GD26678@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030620104953.GD26678@wotan.suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Typo in there. On Fri, Jun 20, 2003 at 12:49:53PM +0200, Andi Kleen wrote: > In my opinion it doesn't make much difference. crypto-loop > has broken beyond belief[1] IV anyways, so they will > eventually need to change it. Or just use CBC, which is simpler ^^^ should be ECB of course. > > [1] the problem is that it is too predictable. consider block 0, > which is usually filled with zeros. It also has IV==0. This means > it it 100% equivalent to CBC and worse even has known plain text. ^^^ also ECB here. -Andi