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Date: Mon, 25 Feb 2013 10:20:16 -0600
From: Chris Friesen <chris.friesen@genband.com>
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To: Matthew Garrett <mjg59@srcf.ucam.org>
CC: Florian Weimer <fw@deneb.enyo.de>, Peter Jones <pjones@redhat.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
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        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [GIT PULL] Load keys from signed PE binaries
References: <30665.1361461678@warthog.procyon.org.uk> <CA+55aFxyuvC1H6doSw_e_yLTey2YGWU9cLnUzxUeT2kaeazydA@mail.gmail.com> <20130221164244.GA19625@srcf.ucam.org> <CA+55aFy4k07GPmszkBdYvCE-KphKLVowkZoW7hoAvcR+0U=stg@mail.gmail.com> <20130221174955.GA20886@srcf.ucam.org> <CA+55aFxZ4f4KiHQBCAgTghm+deniS6rDz4wna9bce6vK8WppsA@mail.gmail.com> <20130222140539.GE20629@fenchurch.internal.datastacks.com> <877glw78p5.fsf@mid.deneb.enyo.de> <20130225154215.GB13605@srcf.ucam.org> <87obf85r51.fsf@mid.deneb.enyo.de> <20130225161435.GA18404@srcf.ucam.org>
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On 02/25/2013 10:14 AM, Matthew Garrett wrote:
> On Mon, Feb 25, 2013 at 04:50:50PM +0100, Florian Weimer wrote:
>> * Matthew Garrett:
>>
>>> On Mon, Feb 25, 2013 at 03:46:14PM +0100, Florian Weimer wrote:
>>>
>>>> You could just drop the requirement that ring 0 code must be signed.
>>>> I don't think Windows 8 enforces this, but I'm not yet sure if there
>>>> is a physical presence check before you can enter a mode in which
>>>> Windows loads self-signed kernel modules.
>>>
>>> Windows 8 will not load unsigned drivers if Secure Boot is enabled.
>>
>> What about "bcdedit /set ... testsigning on"?
>
> Windows 8 will not load unsigned drivers if Secure Boot is enabled.

For reference:

http://msdn.microsoft.com/en-us/library/windows/desktop/hh848062%28v=vs.85%29.aspx

Chris