slappasswd(8) on macOS
The text 3c4c73e1e67a, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.
OpenLDAP password utility
Flags it lists
-
-g -
-n -
-u -
-v