From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matthew Garrett <mjg59@srcf.ucam.org>
Subject: Re: [RFC] Second attempt at kernel secure boot support
Date: Wed, 31 Oct 2012 17:10:48 +0000
Message-ID: <20121031171048.GA17163@srcf.ucam.org>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jiri Kosina <jkosina@suse.cz>, Josh Boyer <jwboyer@gmail.com>, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, linux-efi@vger.kernel.org
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On Wed, Oct 31, 2012 at 05:03:34PM +0000, Alan Cox wrote:
> On Wed, 31 Oct 2012 16:55:04 +0100 (CET)
> Jiri Kosina <jkosina@suse.cz> wrote:
> > Prepare (as a root) a hand-crafted image, reboot, let the kernel resume 
> > from that artificial image.
> 
> It's not signed. It won't reboot from that image.

The kernel is signed. The kernel doesn't check the signature on the 
suspend image.

-- 
Matthew Garrett | mjg59@srcf.ucam.org