linux-kernel - Re: [PATCH v3 01/14] integrity: Introduce a Linux keyring for the Machine Owner Key (MOK)

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Date:   Thu, 12 Aug 2021 16:16:51 -0600
From:   Eric Snowberg <eric.snowberg@...cle.com>
To:     Jarkko Sakkinen <jarkko@...nel.org>
Cc:     keyrings@...r.kernel.org,
        linux-integrity <linux-integrity@...r.kernel.org>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        David Howells <dhowells@...hat.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        James Morris <jmorris@...ei.org>,
        "Serge E . Hallyn" <serge@...lyn.com>, keescook@...omium.org,
        gregkh@...uxfoundation.org, torvalds@...ux-foundation.org,
        scott.branden@...adcom.com, weiyongjun1@...wei.com,
        nayna@...ux.ibm.com, ebiggers@...gle.com, ardb@...nel.org,
        Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>,
        lszubowi@...hat.com, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        James.Bottomley@...senpartnership.com, pjones@...hat.com,
        "konrad.wilk@...cle.com" <konrad.wilk@...cle.com>
Subject: Re: [PATCH v3 01/14] integrity: Introduce a Linux keyring for the
 Machine Owner Key (MOK)


> On Aug 12, 2021, at 12:58 PM, Jarkko Sakkinen <jarkko@...nel.org> wrote:
> 
> On Wed, Aug 11, 2021 at 10:18:42PM -0400, Eric Snowberg wrote:
>> Many UEFI Linux distributions boot using shim.  The UEFI shim provides
>> what is called Machine Owner Keys (MOK). Shim uses both the UEFI Secure
>> Boot DB and MOK keys to validate the next step in the boot chain.  The
>> MOK facility can be used to import user generated keys.  These keys can
>> be used to sign an end-users development kernel build.  When Linux
>> boots, both UEFI Secure Boot DB and MOK keys get loaded in the Linux
>> .platform keyring.
>> 
>> Add a new Linux keyring called .mok.  This keyring shall contain just
> 
> I would consider ".machine" instead. It holds MOK keys but is not a
> MOK key.

I’m open to renaming it to anything that you and the other maintainers 
feel would be appropriate.  I just want to make sure there is an agreement 
on the new name before I make the change.  Thanks.