kcapi-dgst(1) on Linux
The text b68fda684562, as Debian 10 (Buster) shipped it.
Kernel Crypto API Message Digest Crypto Helper
Flags it lists
-
--cipher -
--help -
--hex -
--infile -
--keyfd -
--outfile -
--passwd -
--passwdfd -
--pbkdfiter -
--pbkdfmac -
--quiet -
--salt -
--verbose -
--version -
-c -
-h -
-i -
-o -
-p -
-q -
-v