{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/lunixxx37/aion2-protocol-research/blob/fe2122f0e54e1de854c11e91e3c7bf51916a4f52/docs/PROTOCOL.md"
  ],
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "Aion 2 Network Protocol Research reconstructs parts of the game's client-to-server network protocol from captures and client inspection. It documents unsigned-varint framing, LZ4 bundles, an RSA-OAEP-SHA1 world handshake and continuous RC4 over post-handshake client frame bodies. Python tools analyze captures, recover session material and implement client cryptographic primitives.",
  "description_zh": "Aion 2 Network Protocol Research 根据抓包和客户端分析复现游戏的部分客户端到服务端协议。文档记录 unsigned-varint 分帧、LZ4 数据包、RSA-OAEP-SHA1 世界服握手，以及握手后客户端帧体持续使用的 RC4；Python 工具用于抓包分析、会话材料提取和客户端加密流程实现。",
  "entry_url": "https://awesomerea.org/resources/aion2-protocol-research-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/aion2-protocol-research-case/",
  "evidence_url": "https://github.com/lunixxx37/aion2-protocol-research/blob/fe2122f0e54e1de854c11e91e3c7bf51916a4f52/README.md",
  "group": "cases",
  "id": "aion2-protocol-research-case",
  "json_url": "https://awesomerea.org/resources/aion2-protocol-research-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/aion2-protocol-research-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/aion2-protocol-research-case/index.md",
  "name": "Aion 2: reconstruction of the client-to-server network protocol",
  "name_zh": "Aion 2：客户端到服务端网络协议复现",
  "reconstruction_method": "other",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "testing",
    "license"
  ],
  "requirements": [
    "Python 3.10 or later is required; live opcode viewing and process-memory tools target the Windows client.",
    "The documented snapshot is the Global client revision 3527; most client-to-server payload meanings remain unmapped.",
    "The author reports validation of the RC4 model across six independently keyed sessions.",
    "MIT license."
  ],
  "requirements_zh": [
    "需要 Python 3.10 或更高版本；实时操作码查看和进程内存工具针对 Windows 客户端。",
    "文档针对 Global 客户端修订版 3527；大多数客户端到服务端载荷的含义仍未解析。",
    "作者报告在六个分别使用独立密钥的会话中检验了 RC4 模型。",
    "采用 MIT 许可证。"
  ],
  "targets": [
    "game",
    "protocol"
  ],
  "url": "https://github.com/lunixxx37/aion2-protocol-research",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}