Petko Manolov <pet...@mip-labs.com> wrote:

> As far as i know there is no concept of write-once to a keyring in the
> kernel.  David will correct me if i am wrong.  I wonder how hard would it be
> to add such functionality, in case it is missing?

Not hard, particularly if it's only an attribute that the kernel can set.

> Ideally a revoked key should stay in .blacklist until it expire or the
> system is rebooted.

That's not quite sufficient.  Search would also need to be modified otherwise
the revoked key would be skipped.

David
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