onetime(1) on Linux
The text b2125dd08c6e, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it. The page shows this text now.
command-line encryption program using the "one-time pad" method
Flags it lists
-
-h