To give users hint why Argon2, the default in cryptsetup for LUKS2, does
not work.
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>