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Subject: Re: [PATCH v11 0/6] KEYS: Measure keys when they are created or
 updated
From:   Mimi Zohar <zohar@linux.ibm.com>
To:     Lakshmi Ramasubramanian <nramas@linux.microsoft.com>,
        linux-integrity@vger.kernel.org
Cc:     eric.snowberg@oracle.com, dhowells@redhat.com,
        mathew.j.martineau@linux.intel.com, matthewgarrett@google.com,
        sashal@kernel.org, jamorris@linux.microsoft.com,
        linux-kernel@vger.kernel.org, keyrings@vger.kernel.org
Date:   Thu, 12 Dec 2019 09:28:36 -0500
In-Reply-To: <20191211164707.4698-1-nramas@linux.microsoft.com>
References: <20191211164707.4698-1-nramas@linux.microsoft.com>
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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