linux-kernel - Re: [PATCH] Fix kexec forbidding kernels signed with custom platform keys to boot

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Message-ID: <6729d6c5-c4bb-debb-727d-45c01714ace2@sembritzki.me>
Date:   Wed, 15 Aug 2018 23:50:39 +0200
From:   Yannik Sembritzki <yannik@...britzki.me>
To:     James Bottomley <James.Bottomley@...senPartnership.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Vivek Goyal <vgoyal@...hat.com>
Cc:     David Howells <dhowells@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Peter Anvin <hpa@...or.com>,
        the arch/x86 maintainers <x86@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dave Young <dyoung@...hat.com>, Baoquan He <bhe@...hat.com>,
        Justin Forbes <jforbes@...hat.com>,
        Peter Jones <pjones@...hat.com>,
        Matthew Garrett <mjg59@...gle.com>
Subject: Re: [PATCH] Fix kexec forbidding kernels signed with custom platform
 keys to boot

On 15.08.2018 23:40, James Bottomley wrote:
> What about the key linking patches:
>
> https://lkml.org/lkml/2018/5/2/989
>
> ? They allow you to insert your own binary key into bzimage and then
> resign the resulting blob for secure boot.  It's a fairly painless
> process.  The patches have been languishing for an unstated reason but
> it's suspected to have something to do with Red Hat not wanting to
> support Enterprise users signing their own kernels.

Thanks, that's exactly what I was thinking about.

Yannik