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v4.1.0
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Author SHA1 Message Date
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
96a8c210b2 feat(hardening): M-Hard 1-5 — crypto, auth, rate limit, fingerprints, rotation 
M-Hard 1: Cryptographic Hardening
- constantTimeEqual, zeroize, randomUint32 on CryptoProvider
- Fix Math.random() → crypto.randomUint32() for registrationId
- Zero message keys and chain keys after use in ratchet.ts
- Constant-time trust comparison in MemoryStorage + SQLiteStorage
- Timing variance test catches early-exit regressions

M-Hard 2: Self-Authenticated Prekey Server
- Ed25519 signature verification on all write routes
- signPayload/verifyPayload with canonical JSON, ±5 min replay window
- Address validation (NFKC, alphanumeric + :_-.)
- Global ShadeError → HTTP status mapping
- ShadeFetchTransport signs requests when signingPrivateKey provided
- Anonymous bundle fetches still allowed (read-only)

M-Hard 3: Rate Limiting + DoS Protection
- Token bucket rate limiter with pluggable store
- Per-route limits: register 5/h/IP, fetch 60/min/IP, replenish 10/min/id
- 64KB body size limit on POST
- Retry-After header on 429 responses

M-Hard 4: Auto-replenish + Fingerprints + Session Reset
- Safety numbers (12 groups × 5 digits, Signal-style)
- ensurePreKeyStock, resetSession, acceptIdentityChange
- verifyRemoteIdentity for out-of-band comparison

M-Hard 5: Identity Rotation with Grace Period
- rotateIdentity archives old identity, generates fresh signed prekey
- RetiredIdentity storage with addRetired/getRetired/pruneRetired
- 7-day default grace period for decrypting old sessions
- pruneExpiredIdentities for cleanup

M-Hard 8: Error Hierarchy
- New error types: Network, Storage, Validation, Timeout, RateLimit,
  Configuration, Unauthorized, Replay, IdentityRotation
- All errors have stable SHADE_* codes
- errorToHttpStatus for consistent HTTP mapping
- toJSON() for network serialization

188 tests passing, zero failures.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-10 17:45:34 +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