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3 Commits

Author SHA1 Message Date
Siavash Sameni
d27e85ecf2 feat: SAS (Short Authentication String) for call identity verification
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Derive a 4-digit code from the shared DH secret via HKDF with label
"warzone-sas-code". Both peers compute the same code; a MITM relay
produces a different one. Users compare verbally during the call.

- CryptoSession::sas_code() -> Option<u32> on the trait
- ChaChaSession stores and returns the SAS
- HKDF derivation in WarzoneKeyExchange::derive_session()
- Tests: both peers match, MITM produces different code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-09 05:48:08 +04:00
Siavash Sameni
ac3b997758 fix: align HKDF info strings with featherChat identity derivation 
Changed HKDF expand info strings to match featherChat's identity.rs:
- "warzone-ed25519-identity" → "warzone-ed25519"
- "warzone-x25519-identity" → "warzone-x25519"

Same BIP39 seed now produces identical Ed25519/X25519 keypairs in both
featherChat and WZP. This is the prerequisite for shared identity.

Also added FEATHERCHAT_INTEGRATION.md (1209 lines) from featherChat repo
documenting the full integration plan with confirmed code references.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-28 08:16:57 +04:00
Siavash Sameni
51e893590c feat: WarzonePhone lossy VoIP protocol — Phase 1 complete 
Rust workspace with 7 crates implementing a custom VoIP protocol
designed for extremely lossy connections (5-70% loss, 100-500kbps,
300-800ms RTT). 89 tests passing across all crates.

Crates:
- wzp-proto: Wire format, traits, adaptive quality controller, jitter buffer, session FSM
- wzp-codec: Opus encoder/decoder (audiopus), Codec2 stubs, adaptive switching, resampling
- wzp-fec: RaptorQ fountain codes, interleaving, block management (proven 30-70% loss recovery)
- wzp-crypto: X25519+ChaCha20-Poly1305, Warzone identity compatible, anti-replay, rekeying
- wzp-transport: QUIC via quinn with DATAGRAM frames, path monitoring, signaling streams
- wzp-relay: Integration stub (Phase 2)
- wzp-client: Integration stub (Phase 2)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-27 12:45:07 +04:00