vacp2p / awesome-secure-messaging

A curated collection of links for secure messaging.

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STATUS: Not actively maintained; bibliograpy now updated in Zotero group https://www.zotero.org/groups/2306124/vacp2p/items for https://vac.dev/

Awesome Secure Messaging

A curated collection of links for secure messaging. Part of the "Awesome X" series.

The list is periodically updated with new links. Click "Watch" in the right top corner to follow.

Your contributions are welcomed.

Table of Contents

Fundamentals

Messaging

Trust establishment

  • X3DH - two-party asynchronous key agreement protocol

  • Bramble QR Code Protocol - in-person key agreement protocol to establish a shared secret

Session management

  • Sesame - session management for async and-multi device setting

Anonymity

Censorship Resistance

Cocercion Resistance

Attacks

  • The Sybil Attack - attack on p2p systems from cheap identity generation, requiring some form of logically centralized authority

  • Tagging Attacks - adversary recognizing traffic by modfiying it in acceptable fashion

Applications

  • Briar - messaging app employing several censorship-resitance techniques, like direct device-to-device comms (bluetooth, wifi), Tor routing

  • Signal - widely used security-based messaging app with intermediate server and phone based registration, includes voice calls

About

A curated collection of links for secure messaging.