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

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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@xxxxxxxxxxxxxx> 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:

https://lore.kernel.org/linux-integrity/e8f149cddce55a4e4615396108e4c900cbec75a8.camel@xxxxxxxxxxxxxx/

There's no code to implement this yet though.

Cheers,
Ahmad

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