Message-ID: <4A428E9D.7080509@linux.intel.com>
Date: Wed, 24 Jun 2009 13:37:49 -0700
From: Arjan van de Ven <arjan@linux.intel.com>
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To: Dave Jones <davej@redhat.com>, Joseph Cihula <joseph.cihula@intel.com>,
       linux-kernel@vger.kernel.org, mingo@elte.hu, arjan@linux.intel.com,
       hpa@zytor.com, andi@firstfloor.org, chrisw@sous-sol.org,
       jmorris@namei.org, jbeulich@novell.com, peterm@redhat.com,
       gang.wei@intel.com, shane.wang@intel.com
Subject: Re: [RFC v5][PATCH 0b/4] intel_txt: Intel(R) Trusted Execution	Technology
 support for Linux - Details
References: <4A4024B6.2060600@intel.com> <20090624201415.GA18291@redhat.com>
In-Reply-To: <20090624201415.GA18291@redhat.com>
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Dave Jones wrote:
> 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.

how's that different from your normal bios ?
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