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Patrick Lemke 2020-02-20 17:52:56 +01:00
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@ -407,13 +407,13 @@ The `Payment Hash` is rather included in the Lightning Message that also transpo
=== Missing bits === Missing bits
From a computer science perspective the Lightning Network protocol is mainly a peer to peer protocol between its participants. From a computer science perspective the Lightning Network protocol is mainly a peer to peer protocol between its participants.
All communication between participants is send via so called Lightning Messages. All communication between participants is sent via so called Lightning Messages.
Most importantnly communication is needed to open and close payment channels, to send and receive onions, to set up and settle or fail htlcs and for exchanging gossip information. Most importantly communication is needed to open and close payment channels, to send and receive onions, to set up and settle or fail htlcs and for exchanging gossip information.
The Lightning messages are send in an encrypted way after a peer connection has been established. The Lightning messages are sent in an encrypted way after a peer connection has been established.
Establishing the peer connection follows a cryptographic handshake following the Noise Protocol Framework. Establishing the peer connection follows a cryptographic handshake following the Noise Protocol Framework.
The Noise Protocol Framework is a collection of templates for cryptographic handshakes and is also used by WhatsApp and Wireguard. The Noise Protocol Framework is a collection of templates for cryptographic handshakes and is also used by WhatsApp and Wireguard.
Using the Noise Protocol Framework makes sure that every message that is send via Lightning is encrypted and authenticated. Using the Noise Protocol Framework makes sure that every message that is sent via Lightning is encrypted and authenticated.
This makes development a little bit tricky as one cannot easily monitore ones own traffic on a tool like wireshark for debugging. footnote:[Luckily tools exist to make developers live easier: https://github.com/nayutaco/lightning-dissector] This makes development a little bit tricky as one cannot easily monitor one's own traffic on a tool like wireshark for debugging. footnote:[Luckily tools exist to make developers live easier: https://github.com/nayutaco/lightning-dissector]
=== some thoughts that where supposed to be at other places but didn't make it to the text yet === some thoughts that where supposed to be at other places but didn't make it to the text yet
* network of payment channels * network of payment channels