linux-kernel - Re: [PATCH v5 12/12] integrity: Only use machine keyring when uefi_check_trust_mok

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Date:   Thu, 09 Sep 2021 16:58:52 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Eric Snowberg <eric.snowberg@...cle.com>, keyrings@...r.kernel.org,
        linux-integrity@...r.kernel.org, zohar@...ux.ibm.com,
        dhowells@...hat.com, dwmw2@...radead.org,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        jmorris@...ei.org, serge@...lyn.com
Cc:     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, 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
Subject: Re: [PATCH v5 12/12] integrity: Only use machine keyring when
 uefi_check_trust_mok_keys is true

On Tue, 2021-09-07 at 12:01 -0400, Eric Snowberg wrote:
> With the introduction of uefi_check_trust_mok_keys, it signifies the end-
> user wants to trust the machine keyring as trusted keys.  If they have
> chosen to trust the machine keyring, load the qualifying keys into it
> during boot, then link it to the secondary keyring .  If the user has not
> chosen to trust the machine keyring, it will be empty and not linked to
> the secondary keyring.
> 
> Signed-off-by: Eric Snowberg <eric.snowberg@...cle.com>

I would not worry too much applying the code changes if the story
part made sense (to *almost anyone*) in the cover letter.

/Jarkko