# <target name> <source device>          <key file>      <options>
root            /dev/mapper/vg-root      none            luks
#home            /dev/mapper/vg-home      none            luks
#var             /dev/mapper/vg-var       none            luks
#swap            /dev/mapper/vg-swap      /dev/random     swap,cipher=aes-xts-plain64:sha256