Built a self-hosted messenger.
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Built a self-hosted messenger.
Encryption: X25519 key exchange, XChaCha20-Poly1305 for messages. New devices require approval from a trusted device before key exchange. Server never touches plaintext.
LAN mode: UDP broadcast on :45678, clients discover each other and exchange public keys automatically.
Stack: Flutter (Android, Windows, macOS, Linux).
Still in beta.
https://github.com/wardcore-dev/onyx
#FOSS #Selfhosted #Privacy #Flutter #OpenSource
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