Messages in this thread | | | From | David Howells <> | Subject | Re: RFC: 'ioctl' for keyrings | Date | Thu, 13 Mar 2014 16:17:39 +0000 |
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David Howells <dhowells@redhat.com> wrote:
> I can fix this in one of a number of ways: > > (1) Provide a generic control operation (analogous with ioctl()) that allows > the user to make some general operation on a key (querying it, altering > it, interacting with hardware). > > (2) Provide an alter operation that only allows the key to be altered. > Looking at trusted_update(), though, I have a suspicion that this may not > be sufficient as that also seems to invoke an interaction with the TPM. > > (3) Provide separate, specific keyctl functions for the special operations > required by encrypted and trusted keys (and other key types potentially) > that are then validated in the core and routed to the key type.
(4) Simply make key_update() look for the encrypted and trusted key types and call a special key type op for those. The main ->update op will be taking preparsed data and would no longer be callable in this situation.
David
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