linux-kernel - Re: Trusted kernel patchset for Secure Boot lockdown

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Message-ID: <20140226222151.78854cd8@alan.etchedpixels.co.uk>
Date:	Wed, 26 Feb 2014 22:21:51 +0000
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Kees Cook <keescook@...omium.org>
Cc:	Matthew Garrett <matthew.garrett@...ula.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	James Morris <jmorris@...ei.org>,
	linux-security-module <linux-security-module@...r.kernel.org>
Subject: Re: Trusted kernel patchset for Secure Boot lockdown

> > kernel was trusted - untrusted userspace could have set it on an untrusted
> > kernel, but by the same metric an untrusted kernel could just set it itself.
> >
> > If people object to this name then I swear to god that I will open a poll
> > on Phoronix to decide the next attempt and you will like that even less.

Go on open the poll -  I dare you. But don't be shocked if it ends up
being called "Eric" or "Icanhazsigs" 8)

> For the Chrome OS use-case, it might be better described as "untrusted
> userspace", but that seems unfriendly. :) The "trusted kernel" name
> seems fine to me.

Trusted is rather misleading. It's not trusted, it's *measured*.

It's the same bits you had when you made it, and when you booted it
before. Whether you trust them is a different and quite unrelated
question. You may have reasons to do either.

Alan
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