py3rsa-verify -V (return code: -15)
Usage: py3rsa-verify [options] public_key signature_file
py3rsa-verify: error: no such option: --version
py3rsa-verify -h (return code: 0)
Usage: py3rsa-verify [options] public_key signature_file
Verifies a signature, exits with status 0 upon success, prints an error
message and exits with status 1 upon error.
Options:
-h, --help show this help message and exit
-i INPUT, --input=INPUT
Name of the file to verify. Reads from stdin if not
specified.
--keyform=KEYFORM Key format of the public key - default PEM