Re: [PATCH] [RFC] KEYS: Add invalidation support

Mimi Zohar
2011-12-15T21:34:14Z

On Thu, 2011-12-15 at 13:14 +0000, David Howells wrote:
> Mimi Zohar <zohar@linux.vnet.ibm.com> wrote:
>
> > Not all keys can be 'refetched'. A trusted key, sealed to a PCR, can
> > extend the PCR to prevent it from being re-loaded. Removing the trusted
> > key could prevent the instantiation/update of encrypted keys.
>
> I meant discard and set up a new struct key not actually invalidate any real
> key store. Is this actually a problem? If it is, I can certainly add a flag
> to prevent struct keys from being invalidated; but that doesn't stop them from
> being unlinked or revoked.
>
> David

We discussed it here and don't think it should be a problem.

thanks,

Mimi