optional arguments:
-h, --help show this help message and exit
-p PRE_SHARED_KEY, --pre_shared_key PRE_SHARED_KEY
Pre-Shared-Key.
-c COUNT_GENERATE_TUNNEL, --count_generate_tunnel COUNT_GENERATE_TUNNEL
Count of generate tunnel.
-ca {MD5,SHA,SHA256}, --cert {MD5,SHA,SHA256}
Optional, Certification algorithm. Input any of "MD5",
"SHA", "SHA256".
-ea {DES,3DES,AES,AES256}, --encrypt {DES,3DES,AES,AES256}
Optional, Encrypt algorithm. Input any of "DES",
"3DES", "AES", "AES256".