From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030422AbVIAVuQ (ORCPT ); Thu, 1 Sep 2005 17:50:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030419AbVIAVuQ (ORCPT ); Thu, 1 Sep 2005 17:50:16 -0400 Received: from styx.suse.cz ([82.119.242.94]:16529 "EHLO mail.suse.cz") by vger.kernel.org with ESMTP id S1030422AbVIAVuP (ORCPT ); Thu, 1 Sep 2005 17:50:15 -0400 Date: Thu, 1 Sep 2005 23:50:24 +0200 From: Vojtech Pavlik To: Pavel Machek Cc: Nigel Cunningham , Kyle Moffett , Mark Lord , LKML Subject: Re: APs from the Kernel Summit run Linux Message-ID: <20050901215024.GA2925@midnight.suse.cz> References: <20050830093715.GA9781@midnight.suse.cz> <4315E0F0.6060209@pobox.com> <20050831205319.A6385@flint.arm.linux.org.uk> <20050831203211.GA13752@midnight.suse.cz> <94E48213-4A1A-4979-B3A7-05E7BBE19AD3@mac.com> <1125545767.12996.21.camel@localhost> <20050901153915.GB1561@openzaurus.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050901153915.GB1561@openzaurus.ucw.cz> User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 01, 2005 at 05:39:15PM +0200, Pavel Machek wrote: > Hi! > > > > The 4020 and 0402 look oddly symmetrical to me, but that could just > > > be my imagination. > > > > All I saw in it was byte n+1 = byte n >> 1. Can't see any use to that > > either, though. Maybe it's just there to torment reverse engineerers, or > > trap memory corruption? > > I had seen something like that before -- it was image compression > and they were using 9bit "bytes"... which worked like obfuscation, too. Yes, if they were using 7bit bytes, that'd explain the 0x81 in the sequence ... -- Vojtech Pavlik SuSE Labs, SuSE CR