Thread (15 messages) 15 messages, 5 authors, 2022-03-28

Re: [PATCH 4/4] module, KEYS: Make use of platform keyring for signature verification

From: Mimi Zohar <zohar@linux.ibm.com>
Date: 2022-02-15 20:09:07
Also in: keyrings, linux-arm-kernel, linux-modules, linux-s390, lkml

[Cc'ing Eric Snowberg]

Hi Michal,

On Tue, 2022-02-15 at 20:39 +0100, Michal Suchanek wrote:
Commit 278311e417be ("kexec, KEYS: Make use of platform keyring for signature verify")
adds support for use of platform keyring in kexec verification but
support for modules is missing.

Add support for verification of modules with keys from platform keyring
as well.
Permission for loading the pre-OS keys onto the "platform" keyring and
using them is limited to verifying the kexec kernel image, nothing
else.

FYI, Eric Snowberg's initial patch set titled "[PATCH v10 0/8] Enroll
kernel keys thru MOK" is queued in Jarkko's git repo to be usptreamed. 
A subsequent patch set is expected.

-- 
thanks,

Mimi

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