seccure(1) on Linux
The text 0b3614a5a86d, as Debian 8 (Jessie) shipped it.
SECCURE Elliptic Curve Crypto Utility for Reliable Encryption
Flags it lists
-
-F -
-a -
-b -
-c -
-d -
-f -
-i -
-m -
-o -
-q -
-s -
-v