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

Lakshmi Ramasubramanian
2019-12-12T16:58:08Z

On 12/12/19 6:28 AM, Mimi Zohar wrote:

> 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
>

Thanks Mimi.

-lakshmi