[EPIC]: End-to-end encrypted group messages

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評估

難度
5/5
預估耗時
一週以上
新手友好度
25/100
Issue 類型
功能
描述清晰度
基本清楚
活躍度
活躍
技術堆疊
dart, flutter

研究方向

Read the design sub-issue first and comment there before writing code. The starting point named here is mobile/lib/services/sqlite_signal_store.dart, which implements SenderKeyStore and defines the signal_sender_keys table; review it alongside the existing 1:1 Signal session flow. Done means the server relays encrypted group payloads and sender-key distribution, while the app encrypts and decrypts with GroupCipher and rotates keys when membership changes.

由索引模型根據 Issue 內容生成。

描述

area: e2ee difficulty: hard enhancement

Goal

Group messages are currently sent as plaintext envelopes (protected in transit by TLS, but readable by the server). Encrypt them end to end with Signal sender keys, so the server only relays ciphertext.

Starting point

  • The app's Signal store already implements SenderKeyStore (mobile/lib/services/sqlite_signal_store.dart), with a signal_sender_keys table.
  • 1:1 Signal sessions already exist, and are the usual way to deliver sender keys to each member.

Steps (sub-issues)

  1. Design note: the distribution and rotation rules.
  2. Server: route sender-key distribution messages and encrypted group payloads.
  3. App: encrypt and decrypt with GroupCipher, distribute keys, rotate on membership changes.

Please read the design sub-issue first and comment there before writing code.

主要語言
Dart
星號
9
分支
5
平均合併
49 分鐘
30 天內合併 PR
34

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  • 提供 Dockerfile 或 Docker Compose 檔案
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  • 沒有貢獻指南

從這裡開始

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  3. Fork 儲存庫,在一個分支上完成修改。
  4. 送出 Pull Request,並在描述裡引用這個 Issue 編號。

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