signver(1) on Linux
The text c08494ce54da, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
Verify a detached PKCS#7 signature for a file.
Flags it lists
-
-A -
-V -
-a -
-d -
-i -
-o -
-s -
-v