[PATCH v1 3/3] KEYS: trusted: Introduce support for NXP CAAM-based trusted keys

Ahmad Fatoum a.fatoum at pengutronix.de
Thu Apr 1 10:15:07 UTC 2021

Hello Richard,

On 31.03.21 20:35, Richard Weinberger wrote:
> Ahmad,
> On Tue, Mar 16, 2021 at 6:24 PM Ahmad Fatoum <a.fatoum at pengutronix.de> wrote:
>> +#define KEYMOD "kernel:trusted"
> why is the CAAM key modifier hard coded?
> I'd love to have way to pass my own modifier.
> That way existing blobs can also be used with this implementation.
> IIRC the NXP vendor tree uses "SECURE_KEY" as default modifier.

Being binary compatible with other implementations is not an objective
for this patch set. If you need to migrate I'd suggest to get out a
clear text password and side-load it into the trusted key framework.

Jan and Mimi discussed this some weeks back:


There's no code to implement this yet though.


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