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release(v4.0.0): Shade GA — V3.x consolidation + audit prep
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

3.7 KiB

Shade V5.0 — Voice & Video

Status: Idea (post-V4.0 GA) Effort: XXL (4+ måneder) Forrige: V4.0 GA + V3.11 (P2P transport kreves) Adresserer: V2.1-tillegg "ShadeVoiceButton / ShadeVideoCall / ShadeBroadcaster"

V5.0 er den dedikerte sanntids-releasen — alt VOIP og videostreaming samles her, etter at Shade 4.0 er GA-merket. Stacken under (ratchet, transport, observability, recovery, key transparency, WebRTC P2P) er låst i 4.0; 5.0 bygger uten å røre kjernekrypto- revisjonen.


Mål

E2EE sanntidskommunikasjon på Shade-stack: voice-calls, video-calls, broadcast/streaming — alt som "magic drop-in"-komponenter for konsumerende apper.

<ShadeVoiceButton to={peerAddress} />
<ShadeVideoCall to="device:server-admin" />
<ShadeBroadcaster streamKey="game-stream-1" />
<ShadeViewer streamKey="game-stream-1" />

Scope

Inn

  • Ny pakke @shade/voice — 1:1 voice over WebRTC P2P.
  • Ny pakke @shade/video — 1:1 video, deler kjerne med voice.
  • Ny pakke @shade/broadcast — 1:N broadcast med relay-helper.
  • SFrame-style frame encryption — payload-keys ratchet'es per call, derivert fra Shade-session.
  • Codec: Opus (audio), AV1/VP9 (video) — WebRTC standard.
  • Widget-komponenter for hvert use case.
  • Key-rotation under loss: forward-secrecy per X frames eller hvert N sekund.

Ut

  • Group-calls (≥ 3 deltakere) som første milestone — krever SFU + group key agreement; egen sak.
  • Replacement for native phone-app — vi tilbyr in-app calls.
  • Codec-implementasjon — vi bruker browser/native WebRTC.

Design

Frame-key derivasjon

callKey       = X3DH(A, B) → HKDF("shade-call-v1") → callRatchetKey
frameKey[i]   = HKDF(callRatchetKey, "frame" || u64(i))

callRatchetKey ratcheter forward hver N millisekund eller hver M frames; kompromittert frame = bare det vinduet eksponert.

SFrame

Følger IETF MLS/SFrame-mønstre:

  • Header er klartekst (codec-metadata).
  • Payload er AES-GCM med deterministisk nonce.
  • Mottaker dropper frames med out-of-window seq.

Topologi

  • 1:1: P2P via V3.11.
  • Broadcast: relay-helper i @shade/broadcast-relay distribuerer ciphertext til subscribers — relay ser aldri plaintext.

Leveranser

Pakker

  • @shade/voice + @shade/video (delt kjerne i @shade/realtime-core).
  • @shade/broadcast + @shade/broadcast-relay.
  • Widgets: <ShadeVoiceButton />, <ShadeVideoCall />, <ShadeBroadcaster />, <ShadeViewer />.

Tester

  • Unit: SFrame encrypt/decrypt + tamper.
  • Integration: 1:1 video 30 fps i 60 s; > 99 % frames levert; key rotation observert.
  • Loss recovery: 30 % packet loss → quality grace.
  • Adversarial: relay-DB-dump avslører ingen plaintext.

Dokumentasjon

  • docs/voice-video.md — setup, codec-tradeoffs, broadcast-arkitektur.

Akseptansekriterier

  • 1:1 video 60 fps + 1080p mellom to klienter samme LAN.
  • Frame-key kompromittering blokkerer maks 1 sekund forward data.
  • Broadcast 1:50 viewers fungerer med < 2 s end-to-end latency.

Avhengigheter

  • V4.0 GA — kjerne-stacken må være ekstern-revidert og frosset før vi legger sanntid-protokoll oppå.
  • V3.11 — P2P transport (kommer i V4.0-vinduet).
  • V3.5 — Android-paritet hvis voice/video skal funke på mobile.

Risiko

  • Codec-quirks. AV1 vs VP9 vs H.264 har ulik browser-støtte.
  • Frame-key sync under loss. Avansert; SFrame-spec er fortsatt under standardisering.
  • Latency vs sikkerhet. Hver ratchet-step legger på µs.

Migrasjon

Nye pakker. Ikke breaking — wire-formatene fra V4.0 holdes uendret; voice/video legger til egne envelope-typer i et reservert range som 4.0-clients ignorerer.