psktool(1) on Linux
The text 09050a7d3f8c, as Debian 9 (Stretch) shipped it.
GnuTLS PSK tool
Flags it lists
-
-! -
--debug -
--help -
--keysize -
--more-help -
--passwd -
--username -
--version -
-d -
-h -
-p -
-s -
-u -
-v