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To: gentoo-dev@g.o
From: Duncan <1i5t5.duncan@...>
Subject: Re: UEFI secure boot and Gentoo
Date: Sun, 17 Jun 2012 00:23:21 +0000 (UTC)
Matthew Summers posted on Sat, 16 Jun 2012 18:52:31 -0500 as excerpted:

> Pardon my ignorance, but will we be requires to sign the boot
> loader/kernel on our install media for a Win8 machine to boot the iso?

This was one of the issues covered early on.  Unless it has changed, no.  
Booting external media (at least optical, not sure about USB-mass-
storage, etc) bypasses the required signing, so that much, at least, 
should be safe.

An initial proposal in fact would have required booting optical media in 
ordered to disable the sig-checks, etc, but AFAIK that was deemed too 
disruptive, particularly for netbooks and etc that don't normally have 
built-in optical media at all.

It's worth noting that EFI can switch back to legacy mode for such 
things, and it's possible this exception is connected to el-torrito 
optical disk booting, tho I'm not sure on that.  That's why I've 
specified optical, above.  Direct-partitioned and bootable USB media may 
not be included.  I'm sure GKH or others who have been following it 
closer can fill in the details.

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman



References:
UEFI secure boot and Gentoo
-- Greg KH
Re: UEFI secure boot and Gentoo
-- Matthew Summers
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Updated Jun 29, 2012

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