Files
Shade/docs/V5.0.md
Sterister e6fdf31b49
Some checks failed
Test / test (push) Has been cancelled
Cross-platform vectors / TypeScript vectors (bun) (push) Has been cancelled
Cross-platform vectors / Kotlin vectors (gradle) (push) Has been cancelled
Docker build and publish / docker (push) Has been cancelled
Publish / publish (push) Has been cancelled
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

136 lines
3.7 KiB
Markdown

# 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.
```tsx
<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
```text
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.