Changing a master key using plain mode

In plain mode, you must specify the secure key when opening the volume. For a master key change, you must re-encipher these secure keys with the new master key.

If the secure keys are stored in a file or in a secure key repository, you can use the zkey utility to perform the re-enciphering. Read Re-enciphering secure keys from a file or Re-enciphering secure keys from a repository for more information.