s5_messenger #

A Flutter package for secure messaging using s5 and MLS (Messaging Layer Security) protocols. Enables easy-to-set-up, end-to-end encrypted messaging between clients.

Features ✨ #

• End-to-end encryption via MLS protocol
• Decentralized storage using S5 for message transportation
• Cross-platform support (Android, iOS, Linux, macOS, Windows)
• Rust-powered core via flutter_rust_bridge for performance
• Minimal-config messaging between authenticated clients

Installation 📦 #

Add to your pubspec.yaml:

dependencies:
  s5_messenger: ^0.1.0

Basic Usage 🚀 #

See example

Architecture 🏗 #

1. MLS Protocol: Handles key management and message encryption
2. S5 Integration: Stores encrypted messages in a decentralized network
3. Flutter Interface: Platform-agnostic UI components
4. Rust Core: High-performance cryptographic operations

Contributing 🤝 #

See CONTRIBUTING.md for development setup using:

• flutter_rust_bridge for FFI
• cargokit for Rust-Flutter integration

License 📄 #

MIT (See LICENSE)

Acknowledgement #

This work is supported by a Sia Foundation grant