linux-kernel - Re: [RFC v5][PATCH 0b/4] intel_txt: Intel(R) Trusted Execution Technology support for Linux

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Message-ID: <20090624201415.GA18291@redhat.com>
Date:	Wed, 24 Jun 2009 16:14:15 -0400
From:	Dave Jones <davej@...hat.com>
To:	Joseph Cihula <joseph.cihula@...el.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, arjan@...ux.intel.com,
	hpa@...or.com, andi@...stfloor.org, chrisw@...s-sol.org,
	jmorris@...ei.org, jbeulich@...ell.com, peterm@...hat.com,
	gang.wei@...el.com, shane.wang@...el.com
Subject: Re: [RFC v5][PATCH 0b/4] intel_txt: Intel(R) Trusted Execution
	Technology support for Linux - Details

On Mon, Jun 22, 2009 at 05:41:26PM -0700, Joseph Cihula wrote:
 
 > The Q35_SINIT_17.BIN file is what Intel TXT refers to as an
 > Authenticated Code Module.  It is specific to the chipset in the system
 > and can also be found on the Trusted Boot site.  It is a firmware module
 > digitally signed by Intel that is used as part of the DRTM process to
 > verify and configure the system.  

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.

	Dave

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