pgpgpg(1) on Linux
The text e5fb6a929ec9, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
wrapper around Gnu Privacy Guard that takes Pretty Good Privacy command line options
Flags it lists
-
-c -
-d -
-e -
-ka -
-kc -
-kd -
-ke -
-kg -
-kr -
-ks -
-kv -
-kvc -
-kx -
-o -
-p -
-s -
-sb