pqxdh

Here are 8 public repositories matching this topic...

guardyn / guardyn

Privacy-focused secure messenger with post-quantum E2EE (PQXDH/ML-KEM), OpenMLS groups, SFrame voice/video, Sealed Sender. Flutter (iOS/Android) + Tauri (Desktop). Self-hostable, Kubernetes-native, Apache-2.0.

rust open-source cryptography webrtc selfhosted grpc flutter reproducible-builds post-quantum hardware-security tauri redpanda messaging-app double-ratchet sframe ml-kem sealed-sender pqxdh

Updated Feb 28, 2026
Dart

FialkaApp / Fialka-Android

Star

🔐 End-to-end encrypted chat for Android. PQXDH (X25519 + ML-KEM-1024) + AES-256-GCM, full Double Ratchet (PFS + healing), P2P, Zero metadata, zero tracking.

android kotlin security cryptography privacy messenger ed25519 x25519 aes-encryption chat-application end-to-end-encryption post-quantum perfect-forward-secrecy e2e-encryption strongbox aes-256-gcm double-ratchet ml-kem pqxdh

Updated Jun 29, 2026
Kotlin

DevBot667 / SecureChat

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(Moved to Fialka) 🔐 End-to-end encrypted chat for Android. PQXDH (X25519 + ML-KEM-1024) + AES-256-GCM, full Double Ratchet (PFS + healing), Firebase relay. Zero metadata, zero tracking.

Updated Mar 23, 2026
Kotlin

open-e2ee / signal-protocol-js

Star

Pure-TypeScript Signal Protocol E2EE SDK for Expo, React Native, browsers, and Node. Post-quantum PQXDH + Double Ratchet, multi-device, groups, sealed sender, encrypted attachments. No native modules, no prebuild. AGPL-3.0.

Updated Aug 7, 2026
TypeScript

guenni81 / signal-protocol-education-demo

Star

Didactic demo implementation of core Signal Protocol cryptography and messaging flows, including PQXDH hybrid key agreement and Double Ratchet concepts for secure communication.

cryptography post-quantum-cryptography signal-protocol end-to-end-encryption zero-trust key-exchange double-ratchet secure-messaging pqxdh