# Network Security

#### Peer-to-Peer Tunneling

Communication between your mobile device (the signer) and your desktop dashboard (the interface) occurs over a secure tunnel.

* **WebRTC:** We utilize WebRTC to establish a direct peer-to-peer connection.
* **No Central Intermediary:** Once the connection is established, data flows directly between your devices. EtheLock servers do not sit in the middle of the data stream and cannot intercept the payload.

#### Ephemeral Session Keys

Every time you scan the QR code to connect your phone:

1. A fresh pair of ephemeral session keys is generated.
2. These keys are used to encrypt the tunnel.
3. When the session ends, the keys are discarded.
4. **Forward Secrecy:** Even if an attacker records your encrypted traffic today and steals your keys tomorrow, they cannot decrypt the past session.


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