(And maybe a passphrase that indicates "destroy all information NOW",
presumably by deleting the keys used to encrypt/decrypt the drive.)
One has to assume that before one is invited to surrender a passphrase,
the entity who has possession of the hardware in question will have made
an image copy of of the media, so that
Thats the problem with assuming .....
Your assuming that the one being invited to surrender a passphrase has
already lost possession of the hardware.
Clearly were getting into who are you hidding what from. Such a passphrase
could be used before turnning over your laptop/desktop while traviling
especially if one knew that before hand a copy of the keys were at a secure
location at the destination, to give this "good guy" use lets call it a
reporter in a less than friendly country, being hurried home. also in many
instances legal permission to take requires a higher level of suspicion than
the very normal knock & talk, giving the oportunity to use such passphrase,
but I have not been able to think of a "good guy" use I suspect there are a
few.
Richard Reynolds
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