From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752055Ab3CASWD (ORCPT ); Fri, 1 Mar 2013 13:22:03 -0500 Received: from cavan.codon.org.uk ([93.93.128.6]:37380 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751223Ab3CASWB (ORCPT ); Fri, 1 Mar 2013 13:22:01 -0500 Date: Fri, 1 Mar 2013 18:21:57 +0000 From: Matthew Garrett To: ownssh Cc: linux-kernel@vger.kernel.org Subject: Re: [GIT PULL] Load keys from signed PE binaries Message-ID: <20130301182157.GA1306@srcf.ucam.org> References: <87ppzo79in.fsf@mid.deneb.enyo.de> <30665.1361461678@warthog.procyon.org.uk> <20130221164244.GA19625@srcf.ucam.org> <18738.1361836265@warthog.procyon.org.uk> <20130227145647.GA5184@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 27, 2013 at 08:35:45PM +0000, ownssh wrote: > Matthew Garrett srcf.ucam.org> writes: > > > There's no way to update the UEFI key database without the update being > > signed by an already trusted key, so what you're proposing isn't > > possible. > > > > I confused. > Isn't custom mode can add user's own key? Yes, but that involves physically-present end-user interaction. A bootloader can't do it even if it's signed by Microsoft. -- Matthew Garrett | mjg59@srcf.ucam.org