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Author SHA1 Message Date
Sterister
b77b7e771c release(v4.2.1): fix concurrent-ratchet desync via OutboundQueue waiter cursor
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Pull-mode httpClient + drainer + parallel RPCs against the same peer
deteriorated after ~10s with `DecryptionError`. Two bugs combined:

- `OutboundQueue.enqueue` woke `drain` waiters with a `since=0`
  snapshot, replaying already-processed events into
  `Shade.acceptTransferEnvelope` → `manager.decrypt` twice. The
  duplicate consumed an already-used skipped key and corrupted the
  Double Ratchet receive chain.

- `ratchetDecrypt` then propagated the corruption: a same-DH
  message behind the chain with no cached skipped key fell through
  to `kdfChainKey` on the ahead state and rewound `chain.counter`,
  permanently desyncing the chain.

Fix `OutboundQueue` to honor each waiter's `since`, and harden
`ratchetDecrypt` so any future duplicate fails cleanly without
mutating state. Adds regression coverage at all three layers.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-04 22:58:26 +02:00
Sterister
e6fdf31b49 release(v4.0.0): Shade GA — V3.x consolidation + audit prep
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V3.1 → V3.12 consolidated and tagged for the first GA release. Wire
format unchanged from 0.4.x — 4.0 peers interoperate with 0.4.x peers
byte-for-byte. The version bump is semantic: audit-cycle complete,
opt-in surface fully exposed, threat model refreshed for every new
surface.

Highlights:
- All 24 @shade/* packages bumped to 4.0.0 in lockstep.
- CHANGELOG 4.0.0 section is the canonical manifest of what landed.
- THREAT-MODEL extended (§10 fingerprint gates, §11 WebRTC P2P, §12
  Web-Worker boundary) + residual-risks table refreshed.
- OpenAPI now covers all 27 routes: prekey, transfer, KT, inbox,
  bridge, observer, /metrics, /healthz, /ready.
- MIGRATION 0.3.x → 4.0 documented + smoke-tested against
  shade migrate-storage on a real SQLite DB.
- docs/audit/REVIEW-BUNDLE.md + SCOPE.md ready for external reviewer.
- scripts/soak.ts harness for the GA-stable 2-week soak window.
- All V*.md plans archived under docs/archive/ with Status: Done.
- Voice/Video carved out into V5.0; 4.0 audit focuses on the frozen
  non-realtime stack.

Tests: TS 1000/1000 + Kotlin 11/11 cross-platform vectors green.
Docker: gt.zyon.no/stian/shade-prekey:4.0.0 builds and reports
  version 4.0.0 on /health.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-03 18:35:35 +02:00
Sterister
bd6452044f feat: Shade E2EE library — M1-M3 complete 
Signal Protocol implementation with full X3DH + Double Ratchet:

- M1: Core types, CryptoProvider interface, KDF chain functions,
  SubtleCrypto+noble/curves provider, MemoryStorage
- M2: X3DH key agreement (identity keys, signed prekeys, one-time
  prekeys, bundle processing for both initiator and responder)
- M3: Double Ratchet (symmetric-key ratchet, DH ratchet, skipped
  message key cache, out-of-order delivery, AAD-bound headers)

68 tests, 0 failures — including full integration test of
X3DH handshake → Double Ratchet conversation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-09 20:08:19 +02:00