Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755095AbZFXVAR (ORCPT ); Wed, 24 Jun 2009 17:00:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752196AbZFXVAF (ORCPT ); Wed, 24 Jun 2009 17:00:05 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:58430 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751058AbZFXVAE (ORCPT ); Wed, 24 Jun 2009 17:00:04 -0400 Date: Wed, 24 Jun 2009 21:59:56 +0100 From: Matthew Garrett To: Arjan van de Ven Cc: Dave Jones , Joseph Cihula , linux-kernel@vger.kernel.org, mingo@elte.hu, hpa@zytor.com, andi@firstfloor.org, chrisw@sous-sol.org, jmorris@namei.org, jbeulich@novell.com, peterm@redhat.com, gang.wei@intel.com, shane.wang@intel.com Subject: Re: [RFC v5][PATCH 0b/4] intel_txt: Intel(R) Trusted Execution Technology support for Linux - Details Message-ID: <20090624205955.GA9632@srcf.ucam.org> References: <4A4024B6.2060600@intel.com> <20090624201415.GA18291@redhat.com> <4A428E9D.7080509@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A428E9D.7080509@linux.intel.com> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@codon.org.uk X-SA-Exim-Scanned: No (on vavatch.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 863 Lines: 22 On Wed, Jun 24, 2009 at 01:37:49PM -0700, Arjan van de Ven wrote: > Dave Jones wrote: >> This seems a little disingenious. Firmware isn't typically loaded by grub >> into main memory and executed by the host processor. >> >> so, is this all worthless without the binary blob ? >> >> "trust us, it's signed by intel" doesn't make me feel more secure. > > how's that different from your normal bios ? BIOSes can typically be replaced with trusted code. Is the source to the ACMs available? Is there any way for the owner of the machine to substitute their key for Intel's? -- Matthew Garrett | mjg59@srcf.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/