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Add support for using a whole device as a keyfile #8
OK, this is what I have to solve #7. It fixes the situation where a device is passed as a parameter to
This can be used to offer two-factor authentication by first unlocking a LUKS container using a passphrase, then using the content of the unlocked container as a keyfile for the boot partition.
One thing I've noticed: I seem unable to get the correct size of the key-device when it's a crypto device. I think this may be a bug in the