Validating a secure key

You can obtain validation information about a secure key. This is helpful in a scenario where you need to re-encipher a secure key due to a master key change.

Validating a secure key from the secure key repository
Using the zkey validate command, you can obtain validation information about a secure key stored in the secure key repository.
Validating a secure key used with a LUKS2 volume
Using the zkey-cryptsetup validate command, you can obtain validation information about a secure key in the LUKS2 header of an encrypted volume.
Validating a secure key from a file
Using the zkey validate command, you can obtain validation information about an existing secure key stored in a binary file.

Parent topic: Managing keys