Re: [PATCH v11 0/6] KEYS: Measure keys when they are created or updated

From: Mimi Zohar
Date: Thu Dec 12 2019 - 09:28:48 EST


Hi Lakshmi,

On Wed, 2019-12-11 at 08:47 -0800, Lakshmi Ramasubramanian wrote:
> Keys created or updated in the system are currently not measured.
> Therefore an attestation service, for instance, would not be able to
> attest whether or not the trusted keys keyring(s), for instance, contain
> only known good (trusted) keys.
>
> IMA measures system files, command line arguments passed to kexec,
> boot aggregate, etc. It can be used to measure keys as well.
> But there is no mechanism available in the kernel for IMA to
> know when a key is created or updated.
>
> This change aims to address measuring keys created or updated
> in the system.

Thank you! ÂThis patch set is now queued in the next-integrity-testing
branch ofÂhttps://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-
integrity.git/.

Mimi