Just nuke the key. Whatever way you have locally to permanently destroy all existing data should be plenty enough.
-- J. Hellenthal The fact that there's a highway to Hell but only a stairway to Heaven says a lot about anticipated traffic volume. > On Mar 17, 2022, at 10:17, Arthur Chance <[email protected]> wrote: > > Is it possible to invalidate an existing tarsnap key so it cannot be > used in future. I have a key for a decommissioned machine so it's no > longer needed and hypothetically it could be used for DoS attack (by > creating bogus archives and draining the account funds). Obviously this > is impossible unless the key leaks somehow, but operational paranoia > would suggest invalidating it would be a good idea. > > -- > All network cabling aspires to the condition of macramé.
