chromium/content/test/data/attribution_reporting/interop/aggregatable_large_key.json

{
  "description": "Large aggregation key values can involve nuanced handling. For example, Java BigInteger::toByteArray may sometimes add a byte for sign, and JSON libraries may alter data depending on its type during encoding or decoding.",
  "input": {
    "registrations": [
      {
        "timestamp": "0",
        "registration_request": {
          "context_origin": "https://source.test",
          "Attribution-Reporting-Eligible": "event-source"
        },
        "responses": [
          {
            "url": "https://reporter.test/register-source",
            "response": {
              "Attribution-Reporting-Register-Source": {
                "destination": "https://destination.test",
                "aggregation_keys": {
                  "a": "0x8A554C048C95986ACF3F015F3411A047"
                }
              }
            }
          }
        ]
      },
      {
        "timestamp": "1000",
        "registration_request": {
          "context_origin": "https://destination.test"
        },
        "responses": [
          {
            "url": "https://reporter.test/register-trigger",
            "response": {
              "Attribution-Reporting-Register-Trigger": {
                "aggregatable_trigger_data": [
                  {
                    "source_keys": ["a"],
                    "key_piece": "0x77A118E365D9C45E3A62370AE6B214D9"
                  }
                ],
                "aggregatable_values": {
                  "a": 123
                }
              }
            }
          }
        ]
      }
    ]
  },
  "output": {
    "reports": [
      {
        "payload": {
          "aggregation_coordinator_origin": "https://coordinator.test",
          "histograms": [
            {
              "id": "0",
              "key": "0xfff55ce7eddddc7eff7f375ff6b3b4df",
              "value": 123
            }
          ],
          "shared_info": {
            "api": "attribution-reporting",
            "attribution_destination": "https://destination.test",
            "reporting_origin": "https://reporter.test",
            "scheduled_report_time": "3601",
            "version": "1.0"
          }
        },
        "report_url": "https://reporter.test/.well-known/attribution-reporting/report-aggregate-attribution",
        "report_time": "3601000"
      }
    ]
  }
}