[Tinc](http://tinc-vpn.org/) is a Virtual Private Network (VPN) daemon that uses tunnelling and encryption to create a secure private network between hosts.
Each host has it's own public and private key which is used to authenticate them and encrypt the traffic.
"tinc_pub_key": "\n-----BEGIN RSA PUBLIC KEY-----\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n-----END RSA PUBLIC KEY-----\n"
},
"ServicePort": 655,
}
```
Using the metadata from the catalog contained within `tinc_address` and `tinc_pub_key` variables the `tinc-refresh` script can generate configuration that connects all the known hosts via VPN.