{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/Wasabules/Halyard/blob/ab7754bee730903afe7ed5d672feecc2542081d5/docs/INSTALL.md"
  ],
  "category": "reconstruction-cases",
  "class": "software",
  "description_en": "Halyard reimplements the Shadow cloud PC streaming protocol for Nintendo Switch and PS Vita homebrew. It authenticates to a subscribed user's machine, negotiates over TLS, and carries encrypted video, audio, input and cursor channels; the consoles use hardware video decoding. The repository records protocol findings and platform-specific limits.",
  "description_zh": "Halyard 为 Nintendo Switch 和 PS Vita 自制软件重建 Shadow 云电脑串流协议。它登录用户已订阅的云电脑，经 TLS 协商后传输加密的视频、音频、输入和光标通道，并调用掌机硬件解码视频。仓库记录协议发现和各平台限制。",
  "entry_url": "https://awesomerea.org/resources/halyard-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/halyard-case/",
  "evidence_class": 1,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/Wasabules/Halyard/blob/ab7754bee730903afe7ed5d672feecc2542081d5/README.md",
  "group": "cases",
  "id": "halyard-case",
  "json_url": "https://awesomerea.org/resources/halyard-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/halyard-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/halyard-case/index.md",
  "name": "Halyard: reconstructing Shadow cloud PC streaming on handhelds",
  "name_zh": "Halyard：在掌机上重建 Shadow 云电脑串流",
  "preview_kind": "image",
  "preview_url": "https://awesomerea.org/previews/halyard-case.webp",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "An active Shadow subscription and a Switch running homebrew or a PS Vita with HENkaku or h-encore.",
    "The Vita port is described as early; clipboard and microphone channels are not implemented.",
    "GPL-3.0-or-later license."
  ],
  "requirements_zh": [
    "需有效的 Shadow 订阅，以及可运行自制软件的 Switch 或安装 HENkaku、h-encore 的 PS Vita。",
    "Vita 版本仍处早期阶段；剪贴板和麦克风通道尚未实现。",
    "GPL-3.0-or-later 许可证。"
  ],
  "scope": "partial",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/Wasabules/Halyard",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}