Crate keynesis_network

Expand description

ASMTP network protocol

this crate implements the Anonymous and Secure Mail Transfer Protocol (ASMTP). The protocol is rather simple:

2 peers perform a handshake including the version and a Noise Protocol IK handshake allowing to authenticate each other and to establish a secure communication between the 2 nodes.
Once the connection is established, all messages are encrypted and authenticated. After each messages the key is being rotated (see Noise’s transport state rekey function).
Only 2 types of messages are allowed to transport between the nodes: a. Gossip which are information about other peers in the network and their subscriptions (see poldercast) b. Topic based message: messages that are associated with a 32bytes topic code.

This crates only implements the network part of ASMTP.

poldercast is a Pub/Sub protocol that allows to build a topology of peers based on their topic preferences (their subscriptions).

ASMTP will use the Topic to relay messages to the appropriate peers.

Wrapper/helpers of the ASMTP protocol on top of TCP

accept incoming handshake

bidirectional handle of an encrypted connection

unique identifier of a session established between 2 peers

protocol version number