extend.json

{
  "formats": [
    {
      "format": {
        "id": "archives-nz-dev-signature/1",
        "name": "Adobe Air",
        "version": "1.0",
        "mime": "application/vnd.adobe.air-application-installer-package+zip",
        "extensions": [
          "air"
        ],
        "relations": [
          {
            "superiorTo": "x-fmt/267"
          }
        ],
        "signatures": [
          {
            "byteSignature": [
              {
                "anchor": "BOF",
                "min": 0,
                "max": 4,
                "pattern": {
                  "type": "hex",
                  "value": "504B030"
                }
              },
              {
                "anchor": "EOF",
                "min": 18,
                "max": 65531,
                "pattern": {
                  "type": "hex",
                  "value": "504B0506"
                }
              }
            ]
          }
        ]
      }
    },
    {
      "format": {
        "id": "archives-nz-dev-signature/2",
        "name": "Adobe Air",
        "version": "1.5",
        "mime": "application/vnd.adobe.air-application-installer-package+zip",
        "extensions": [
          "air"
        ],
        "relations": [
          {
            "superiorTo": "x-fmt/267"
          }
        ],
        "signatures": [
          {
            "containerSignature": [
              {
                "path": "mimetype",
                "signatures": [
                  {
                    "byteSignature": [
                      {
                        "anchor": "BOF",
                        "min": 0,
                        "max": 0,
                        "pattern": {
                          "type": "ascii",
                          "value": "application/vnd.adobe.air-application-installer-package+zip"
                        }
                      }
                    ]
                  }
                ]
              },
              {
                "path": "META-INF/AIR/application.xml",
                "signatures": [
                  {
                    "byteSignature": {
                      "anchor": "BOF",
                      "min": 50,
                      "max": 80,
                      "pattern": {
                        "type": "hex",
                        "value": "786D6C6E733D22687474703A2F2F6E732E61646F62652E636F6D2F6169722F6170706C69636174696F6E2F312E3522"
                      }
                    }
                  }
                ]
              }
            ]
          }
        ]
      }
    }
  ]
}