E2E Encrypted Messaging Core

Overview

Docs-only case study of an end-to-end encrypted (E2EE) messaging core. Focused on deterministic architecture, protocol flows, key lifecycle, and a practical threat model — designed to be implementation-ready without exposing proprietary source code.

Start here

Open the Documentation Index

Documentation

• 00 — Index
• 01 — Architecture & Components
• 02 — Cryptography & Key Lifecycle
• 03 — Protocol Flows
• 04 — Threat Model
• 05 — Storage, Sync & Multi-Device
• 06 — Operational Considerations

Notes

• No proprietary source code included.
• Relative links are used so everything opens correctly from the repo root.