Re: [PATCH v8 03/17] integrity: Introduce a Linux keyring called machine

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On Tue, 2021-11-23 at 23:41 -0500, 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.
> 
> Define 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.
> 
> Signed-off-by: Eric Snowberg <eric.snowberg@xxxxxxxxxx>
> Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>

Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>

/Jarkko




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