linux-kernel - Re: [RFC] Second attempt at kernel secure boot support

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Message-ID: <8582ea67-beda-44e6-82cd-52d73555dda8@email.android.com>
Date:	Mon, 05 Nov 2012 08:40:21 +0100
From:	"H. Peter Anvin" <hpa@...or.com>
To:	ebiederm@...ssion.com
CC:	Matthew Garrett <mjg59@...f.ucam.org>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Pavel Machek <pavel@....cz>,
	Chris Friesen <chris.friesen@...band.com>,
	Eric Paris <eparis@...isplace.org>,
	Jiri Kosina <jkosina@...e.cz>, Oliver Neukum <oneukum@...e.de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Josh Boyer <jwboyer@...il.com>, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-efi@...r.kernel.org
Subject: Re: [RFC] Second attempt at kernel secure boot support

This is not a good thing to assume.  A vendor could have an external button, gor example.

ebiederm@...ssion.com wrote:

>"H. Peter Anvin" <hpa@...or.com> writes:
>
>> On 11/05/2012 07:14 AM, Eric W. Biederman wrote:
>>> 
>>> In any case the notion that unattended install with no user
>interaction
>>> on any uefi machine in any state is complete and total rubbish.  It
>>> can't be done.  You need power and you need boot media.
>>> 
>>
>> That is a hugely different thing from needing a console.
>
>Not at all.
>
>In the general case user intereaction is required to tell the system to
>boot off of your choosen boot media instead of the local hard drive.
>
>Eric

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.
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