From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935589Ab1JEXri (ORCPT ); Wed, 5 Oct 2011 19:47:38 -0400 Received: from li9-11.members.linode.com ([67.18.176.11]:47764 "EHLO test.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935554Ab1JEXrh (ORCPT ); Wed, 5 Oct 2011 19:47:37 -0400 Date: Wed, 5 Oct 2011 19:47:16 -0400 From: "Ted Ts'o" To: Adrian Bunk Cc: Greg KH , "Frank Ch. Eigler" , Valdis.Kletnieks@vt.edu, "H. Peter Anvin" , "Rafael J. Wysocki" , Linux Kernel Mailing List Subject: Re: kernel.org status: establishing a PGP web of trust Message-ID: <20111005234716.GD26361@thunk.org> Mail-Followup-To: Ted Ts'o , Adrian Bunk , Greg KH , "Frank Ch. Eigler" , Valdis.Kletnieks@vt.edu, "H. Peter Anvin" , "Rafael J. Wysocki" , Linux Kernel Mailing List References: <20111003180441.GD3072@localhost.pp.htv.fi> <34045.1317760188@turing-police.cc.vt.edu> <20111004223932.GA3460@localhost.pp.htv.fi> <20111004231730.GB17089@redhat.com> <20111005075438.GA29441@localhost.pp.htv.fi> <20111005170616.GD4297@thunk.org> <20111005192349.GA14406@localhost.pp.htv.fi> <20111005195024.GB14406@localhost.pp.htv.fi> <20111005200944.GB12876@suse.de> <20111005212526.GD14406@localhost.pp.htv.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111005212526.GD14406@localhost.pp.htv.fi> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on test.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 06, 2011 at 12:25:26AM +0300, Adrian Bunk wrote: > > Had debsums told me that /bin/bash was modified I would have been quite > convinced. > Keep in mind that debsums is trivially easy to circument. That just checks against an md5 checksum stored in a text file in /var/lib/dpkg/info/*.md5sums. If someone modified /bin/bash it would easy enough for them to modify the relevant md5sums file. - Ted