mkpasswd(1) on Linux
The text dd0ba61c5d30, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
Overfeatured front end to crypt(3)
Flags it lists
-
--hash -
--password-fd -
--salt -
--stdin -
-H -
-P -
-S -
-s