Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Message-ID: <1d6fa8c32123e3e3708214540a45a940fab01ee1.camel@kernel.org>
Subject: Re: [PATCH v5 01/12] integrity: Introduce a Linux keyring called
 machine
From:   Jarkko Sakkinen <jarkko@kernel.org>
To:     Eric Snowberg <eric.snowberg@oracle.com>, keyrings@vger.kernel.org,
        linux-integrity@vger.kernel.org, zohar@linux.ibm.com,
        dhowells@redhat.com, dwmw2@infradead.org,
        herbert@gondor.apana.org.au, davem@davemloft.net,
        jmorris@namei.org, serge@hallyn.com
Cc:     keescook@chromium.org, gregkh@linuxfoundation.org,
        torvalds@linux-foundation.org, scott.branden@broadcom.com,
        weiyongjun1@huawei.com, nayna@linux.ibm.com, ebiggers@google.com,
        ardb@kernel.org, nramas@linux.microsoft.com, lszubowi@redhat.com,
        linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
        linux-security-module@vger.kernel.org,
        James.Bottomley@HansenPartnership.com, pjones@redhat.com,
        konrad.wilk@oracle.com
Date:   Thu, 09 Sep 2021 16:55:56 +0300
In-Reply-To: <20210907160110.2699645-2-eric.snowberg@oracle.com>
References: <20210907160110.2699645-1-eric.snowberg@oracle.com>
         <20210907160110.2699645-2-eric.snowberg@oracle.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
User-Agent: Evolution 3.36.5-0ubuntu1 
MIME-Version: 1.0
Precedence: bulk

On Tue, 2021-09-07 at 12:00 -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.
>=20
> Add a new Linux keyring called machine.  This keyring shall contain just
> MOK CA keys and not the remaining keys in the platform keyring. This new
> machine keyring will be used in follow on patches.  Unlike keys in the
> platform keyring, keys contained in the machine keyring will be trusted
> within the kernel if the end-user has chosen to do so.
>=20
> Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>

I guess this is somewhat sealed so

Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>

/Jarkko