{
  "schema": "mdk-encrypted-media-imeta-fixture/v1",
  "description": "Golden and rejection imeta fixtures for encrypted-media-v2. Shared by marmot-app, marmot-uniffi, and wn-cli tests so every layer agrees on validation verdicts and exact wire round-trips. `expected.dim`/`expected.thumbhash` distinguish absent (null) from present-empty (\"\").",
  "media_version": "encrypted-media-v2",
  "cases": [
    {
      "name": "golden-image-full",
      "source_epoch": 9,
      "valid": true,
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m image/jpeg",
        "filename photo.jpg",
        "dim 1920x1080",
        "thumbhash 1QcSHQRnh493V4dIh4eXh1h4kJUI"
      ],
      "expected": {
        "version": "encrypted-media-v2",
        "locators": [
          {
            "kind": "blossom-v1",
            "value": "https://media.example/abababababababababababababababababababababababababababababababab.bin"
          }
        ],
        "ciphertext_sha256": "abababababababababababababababababababababababababababababababab",
        "plaintext_sha256": "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce_hex": "efefefefefefefefefefefef",
        "media_type": "image/jpeg",
        "file_name": "photo.jpg",
        "dim": "1920x1080",
        "thumbhash": "1QcSHQRnh493V4dIh4eXh1h4kJUI"
      }
    },
    {
      "name": "golden-audio-minimal",
      "source_epoch": 3,
      "valid": true,
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/1212121212121212121212121212121212121212121212121212121212121212.bin",
        "ciphertext_sha256 1212121212121212121212121212121212121212121212121212121212121212",
        "plaintext_sha256 3434343434343434343434343434343434343434343434343434343434343434",
        "nonce 565656565656565656565656",
        "m audio/ogg",
        "filename voice.ogg"
      ],
      "expected": {
        "version": "encrypted-media-v2",
        "locators": [
          {
            "kind": "blossom-v1",
            "value": "https://media.example/1212121212121212121212121212121212121212121212121212121212121212.bin"
          }
        ],
        "ciphertext_sha256": "1212121212121212121212121212121212121212121212121212121212121212",
        "plaintext_sha256": "3434343434343434343434343434343434343434343434343434343434343434",
        "nonce_hex": "565656565656565656565656",
        "media_type": "audio/ogg",
        "file_name": "voice.ogg",
        "dim": null,
        "thumbhash": null
      }
    },
    {
      "name": "golden-multi-locator",
      "source_epoch": 12,
      "valid": true,
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "locator mirror-v9 https://mirror.example/blob",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m video/mp4",
        "filename clip.mp4"
      ],
      "expected": {
        "version": "encrypted-media-v2",
        "locators": [
          {
            "kind": "blossom-v1",
            "value": "https://media.example/abababababababababababababababababababababababababababababababab.bin"
          },
          {
            "kind": "mirror-v9",
            "value": "https://mirror.example/blob"
          }
        ],
        "ciphertext_sha256": "abababababababababababababababababababababababababababababababab",
        "plaintext_sha256": "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce_hex": "efefefefefefefefefefefef",
        "media_type": "video/mp4",
        "file_name": "clip.mp4",
        "dim": null,
        "thumbhash": null
      }
    },
    {
      "name": "golden-present-empty-dim",
      "source_epoch": 5,
      "valid": true,
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m image/jpeg",
        "filename photo.jpg",
        "dim "
      ],
      "expected": {
        "version": "encrypted-media-v2",
        "locators": [
          {
            "kind": "blossom-v1",
            "value": "https://media.example/abababababababababababababababababababababababababababababababab.bin"
          }
        ],
        "ciphertext_sha256": "abababababababababababababababababababababababababababababababab",
        "plaintext_sha256": "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce_hex": "efefefefefefefefefefefef",
        "media_type": "image/jpeg",
        "file_name": "photo.jpg",
        "dim": "",
        "thumbhash": null
      }
    },
    {
      "name": "golden-exact-space-filename",
      "source_epoch": 5,
      "valid": true,
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m image/jpeg",
        "filename  "
      ],
      "expected": {
        "version": "encrypted-media-v2",
        "locators": [
          {
            "kind": "blossom-v1",
            "value": "https://media.example/abababababababababababababababababababababababababababababababab.bin"
          }
        ],
        "ciphertext_sha256": "abababababababababababababababababababababababababababababababab",
        "plaintext_sha256": "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce_hex": "efefefefefefefefefefefef",
        "media_type": "image/jpeg",
        "file_name": " ",
        "dim": null,
        "thumbhash": null
      }
    },
    {
      "name": "rejects-noncanonical-media-type",
      "source_epoch": 9,
      "valid": false,
      "error_contains": "canonical",
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m Image/JPG",
        "filename photo.jpg"
      ]
    },
    {
      "name": "rejects-overlong-filename",
      "source_epoch": 9,
      "valid": false,
      "error_contains": "file name",
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m image/jpeg",
        "filename aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
      ]
    },
    {
      "name": "rejects-nul-in-filename",
      "source_epoch": 9,
      "valid": false,
      "error_contains": "file name",
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m image/jpeg",
        "filename bad\u0000name.jpg"
      ]
    },
    {
      "name": "rejects-duplicate-plaintext-hash",
      "source_epoch": 9,
      "valid": false,
      "error_contains": "exactly one plaintext_sha256",
      "tag": [
        "imeta",
        "v encrypted-media-v2",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m image/jpeg",
        "filename photo.jpg",
        "plaintext_sha256 3434343434343434343434343434343434343434343434343434343434343434"
      ]
    },
    {
      "name": "rejects-missing-version",
      "source_epoch": 9,
      "valid": false,
      "error_contains": "missing v",
      "tag": [
        "imeta",
        "locator blossom-v1 https://media.example/abababababababababababababababababababababababababababababababab.bin",
        "ciphertext_sha256 abababababababababababababababababababababababababababababababab",
        "plaintext_sha256 cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "nonce efefefefefefefefefefefef",
        "m image/jpeg",
        "filename photo.jpg"
      ]
    }
  ]
}