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Date: Thu, 12 Dec 2019 09:28:36 -0500
From: Mimi Zohar <zohar@...ux.ibm.com>
To: Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>,
linux-integrity@...r.kernel.org
Cc: eric.snowberg@...cle.com, dhowells@...hat.com,
mathew.j.martineau@...ux.intel.com, matthewgarrett@...gle.com,
sashal@...nel.org, jamorris@...ux.microsoft.com,
linux-kernel@...r.kernel.org, keyrings@...r.kernel.org
Subject: Re: [PATCH v11 0/6] KEYS: Measure keys when they are created or
updated
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! This patch set is now queued in the next-integrity-testing
branch of https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-
integrity.git/.
Mimi
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