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From: Matthew Garrett <mjg@redhat.com>
To: Arjan van de Ven <arjan@linux.intel.com>
Cc: Dave Jones <davej@redhat.com>,
	Joseph Cihula <joseph.cihula@intel.com>,
	linux-kernel@vger.kernel.org, mingo@elte.hu, 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
Date: Wed, 24 Jun 2009 21:59:56 +0100	[thread overview]
Message-ID: <20090624205955.GA9632@srcf.ucam.org> (raw)
In-Reply-To: <4A428E9D.7080509@linux.intel.com>

On Wed, Jun 24, 2009 at 01:37:49PM -0700, Arjan van de Ven wrote:
> Dave Jones wrote:
>> 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 ?

BIOSes can typically be replaced with trusted code. Is the source to the 
ACMs available? Is there any way for the owner of the machine to 
substitute their key for Intel's?

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

  parent reply	other threads:[~2009-06-24 21:00 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-23  0:41 [RFC v5][PATCH 0b/4] intel_txt: Intel(R) Trusted Execution Technology support for Linux - Details Joseph Cihula
2009-06-23  9:11 ` Alan Cox
2009-06-23 21:04   ` Cihula, Joseph
2009-06-24 20:29     ` Peter Jones
2009-06-24 20:14 ` Dave Jones
2009-06-24 20:37   ` Arjan van de Ven
2009-06-24 20:50     ` Dave Jones
2009-06-24 20:59     ` Matthew Garrett [this message]
2009-06-24 22:50     ` Alan Cox
2009-06-25 19:25       ` Cihula, Joseph
2009-06-24 14:41         ` Pavel Machek

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