From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759862Ab3BYPm2 (ORCPT ); Mon, 25 Feb 2013 10:42:28 -0500 Received: from cavan.codon.org.uk ([93.93.128.6]:45572 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756871Ab3BYPm1 (ORCPT ); Mon, 25 Feb 2013 10:42:27 -0500 Date: Mon, 25 Feb 2013 15:42:15 +0000 From: Matthew Garrett To: Florian Weimer Cc: Peter Jones , Linus Torvalds , David Howells , Josh Boyer , Vivek Goyal , Kees Cook , keyrings@linux-nfs.org, Linux Kernel Mailing List Subject: Re: [GIT PULL] Load keys from signed PE binaries Message-ID: <20130225154215.GB13605@srcf.ucam.org> References: <30665.1361461678@warthog.procyon.org.uk> <20130221164244.GA19625@srcf.ucam.org> <20130221174955.GA20886@srcf.ucam.org> <20130222140539.GE20629@fenchurch.internal.datastacks.com> <877glw78p5.fsf@mid.deneb.enyo.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <877glw78p5.fsf@mid.deneb.enyo.de> 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 Mon, Feb 25, 2013 at 03:46:14PM +0100, Florian Weimer wrote: > You could just drop the requirement that ring 0 code must be signed. > I don't think Windows 8 enforces this, but I'm not yet sure if there > is a physical presence check before you can enter a mode in which > Windows loads self-signed kernel modules. Windows 8 will not load unsigned drivers if Secure Boot is enabled. -- Matthew Garrett | mjg59@srcf.ucam.org