linux-kernel - Re: [GIT PULL] Load keys from signed PE binaries

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Message-ID: <20130221203254.GA25166@srcf.ucam.org>
Date:	Thu, 21 Feb 2013 20:32:54 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Jones <pjones@...hat.com>,
	David Howells <dhowells@...hat.com>,
	Josh Boyer <jwboyer@...hat.com>,
	Kees Cook <keescook@...omium.org>, keyrings@...ux-nfs.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] Load keys from signed PE binaries

On Thu, Feb 21, 2013 at 03:31:19PM -0500, Vivek Goyal wrote:
> On Thu, Feb 21, 2013 at 10:56:44AM -0800, Linus Torvalds wrote:
> 
> [..]
> > So no. The PE file thing makes no sense what-so-ever. What you mention
> > we can already do, and we already do it *better*.
> 
> IIUC, PE/COFF signature verification bits can be useful for verifying
> the signature of PE/COFF signed bzImage. This verification will be
> required before kexec decides to load the kernel.

Only if the kexec validation's being done in kernel. We'd need agreement 
on that before it's a justification.

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