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

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Message-ID: <87625kh5r2.fsf@xmission.com>
Date:	Sun, 04 Nov 2012 23:24:17 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"H. Peter Anvin" <hpa@...or.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

"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
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