endra 0.6.4

A fully distributed, no-servers, peer-to-peer encrypted messaging protocol.

A peer-to-peer encrypted messaging protocol supporting multiple devices per user.

See the EndraApp project for a GUI messaging application for desktop and mobile implementing Endra.

Features

• fully peer to peer, no servers of any kind
• can function independently of internet connectivity
• multiple devices per profile (user account)
• multiple profiles per device
• cryptography:
  • full end-to-end encryption
  • key rotation
  • hybrid cryptography combining classical and post-quantum algorithms
  • cryptographic agility (upgradable to novel algorithms)
  • perfect forward and backward secrecy for transmissions
• can be used as a library for embedding into other applications
• will become part of an expandable ecosystem incl. calendar and file-sharing
• app for desktop and mobile (builds for Linux (Ubuntu 24 x86-64 & arm64), Android (arm64), Windows 11 (x86-64) and MacOS (x86-64 & arm64))

Documentation

The thorough documentation for this project and the technologies it's based on live in a dedicated repository:

• Endra: learn how Endra works
• Walytis Technologies: learn about the suite of tools which Endra is part of, built to enable developers to easily develop peer-to-peer distributed applications.

Project Status EXPERIMENTAL

This library is very early in its development.

The API of this library IS LIKELY TO CHANGE in the near future!

RoadMap

See the Walytis Technologies RoadMap for the current plans for Endra in the context of the larger Walytis Technologies Project.

Contributing

Get Involved

• GitHub Discussions: if you want to share ideas
• GitHub Issues: if you find bugs, other issues, or would like to submit feature requests
• GitHub Merge Requests: if you think you know what you're doing, you're very welcome!

Donate

To support me in my work on this and other projects, you can make donations with the following currencies:

• Bitcoin: BC1Q45QEE6YTNGRC5TSZ42ZL3MWV8798ZEF70H2DG0
• Ethereum: 0xA32C3bBC2106C986317f202B3aa8eBc3063323D4
• Credit Card, Debit Card, Bank Transfer, Apple Pay, Google Pay, Revolut Pay)

Donations help me:

• dedicate more time to developing and maintaining open-source projects
• cover costs for IT resources

About the Developer

This project is developed by a human one-man team, publishing under the name Emendir.
I build open technologies trying to improve our world; learning, working and sharing under the principle:

Freely I have received, freely I give.

Feel welcome to join in with code contributions, discussions, ideas and more!

Open-Source in the Public Domain

I dedicate this project to the public domain. It is open source and free to use, share, modify, and build upon without restrictions or conditions.

I make no patent or trademark claims over this project.

Formally, you may use this project under either the:

• MIT No Attribution (MIT-0) or
• Creative Commons Zero (CC0) licence at your choice.

Related Projects

Walytis Technologies

An overarching project comprising the development of Walytis and a collection of tools based on it for real-world peer-to-peer communications.

• Walytis: A flexible, lightweight, nonlinear database-blockchain, built on IPFS.
• WalytisIdentities: P2P multi-controller cryptographic identity management, built on Walytis.
• WalytisOffchain: Secure access-controlled database-blockchain, built on WalytisIdentities.
• WalytisMutability: A Walytis blockchain overlay featuring block mutability.
• Endra: A P2P encrypted messaging protocol with multiple devices per user, built on Walytis.
• EndraApp: A P2P encrypted messenger supporting multiple devices per user, built on Walytis.

IPFS

A P2P communication and content addressing protocol developed by Protocol Labs. This is the networking foundation which Walytis builds upon.

Alternative Technologies

• Berty: a P2P messenger built on IPFS & OrbitDB