{
  "count": 1,
  "generated_at": "2026-10-20T02:57:31Z",
  "items": [
    {
      "id": "yuzu",
      "profile": {
        "analysis_commit": "15e6e48 (yuzu-emu-mirror, depth=1)",
        "analysis_date": "2026-03-26",
        "core_classification": "official_port",
        "core_version": "EA 4176",
        "cores": [
          "yuzu"
        ],
        "display_name": "Yuzu (Nintendo Switch)",
        "emulator": "Yuzu",
        "files": [
          {
            "name": "prod.keys",
            "note": "Production keys for NCA decryption (master, key area, header, titlekek)",
            "path": "switch/prod.keys",
            "required": true,
            "source_ref": "src/core/crypto/key_manager.cpp:655-656"
          },
          {
            "name": "title.keys",
            "note": "Per-title encryption keys (rights_id to titlekey mappings)",
            "path": "switch/title.keys",
            "required": false,
            "source_ref": "src/core/crypto/key_manager.cpp:659-660"
          },
          {
            "name": "console.keys",
            "note": "Console-specific keys (BIS, SD seed)",
            "path": "switch/console.keys",
            "required": false,
            "source_ref": "src/core/crypto/key_manager.cpp:661-662"
          },
          {
            "name": "key_retail.bin",
            "note": "Amiibo decryption keys (two InternalKey structs, 0x50 bytes each)",
            "path": "switch/key_retail.bin",
            "required": false,
            "size": 160,
            "source_ref": "src/core/hle/service/nfc/common/amiibo_crypto.cpp:273-294"
          }
        ],
        "mode": "standalone",
        "notes": "Yuzu is the original standalone Nintendo Switch emulator, created by bunnei (author of Citra).\nLegally shut down by Nintendo in March 2024 via lawsuit settlement. Permanently frozen.\ndev.keys can be used instead of prod.keys when use_dev_keys is enabled (for Switch dev units).\nFirmware (system NCAs) must be installed through Yuzu's UI from a firmware directory.\nRequired for commercial games. Homebrew (.nro, .nso) can run without keys or firmware.\nCommunity forks: Citron, Suyu, Eden. Original GitHub repos DMCA'd.\n",
        "profiled_date": "2026-03-26",
        "source": "https://github.com/yuzu-emu-mirror/yuzu",
        "systems": [
          "nintendo-switch"
        ],
        "type": "standalone",
        "upstream": "https://github.com/yuzu-emu/yuzu",
        "upstream_gone": "GitHub withdrew the repository for legal reasons: the API answers HTTP 451 for both yuzu-emu/yuzu and the yuzu-emu-mirror copy. Observed 2026-09-04. No mirror found that serves file content."
      }
    }
  ],
  "kind": "emulators",
  "schema_version": 1
}