tomb(1) on Linux
The text f9b4e0e7ac0f, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
the Crypto Undertaker
Flags it lists
-
--kdf -
--sphx-host -
--sphx-user -
-D -
-f -
-g -
-h -
-k -
-n -
-o -
-p -
-q -
-r -
-s -
-v