{
  "$schema": "https://json-schema.org/draft/2019-09/schema",
  "$id": "chrome://browser/content/backup/ArchiveJSONBlock.1.schema.json",
  "title": "ArchiveJSONBlock",
  "description": "A schema for the JSON block included with a single-file backup archive created by the BackupService",
  "type": "object",
  "properties": {
    "version": {
      "type": "integer",
      "description": "Version of the JSON block structure"
    },
    "encConfig": {
      "oneOf": [
        { "type": "null" },
        {
          "type": "object",
          "properties": {
            "wrappedArchiveKeyMaterial": {
              "type": "string",
              "description": "The archive encryption key material used to generate the encryption keys for this backup. This is wrapped with an RSA-OAEP public key. Base64 encoded."
            },
            "wrappedSecrets": {
              "type": "string",
              "description": "The various static secrets for this backup, wrapped using an AES-GCM key. Base64 encoded."
            },
            "salt": {
              "type": "string",
              "description": "The salt used when computing the BackupAuthKey and BackupEncKey. Base64 encoded."
            },
            "nonce": {
              "type": "string",
              "description": "The nonce used when wrapping the wrappedSecrets. Base64 encoded."
            },
            "confirmation": {
              "type": "string",
              "description": "The confirmation HMAC for the backup metadata. Base64 encoded."
            }
          },
          "required": [
            "wrappedArchiveKeyMaterial",
            "wrappedSecrets",
            "salt",
            "nonce",
            "confirmation"
          ]
        }
      ]
    },
    "meta": {
      "$ref": "chrome://browser/content/backup/BackupManifest.1.schema.json#/definitions/metadataType"
    }
  },
  "required": ["version", "encConfig", "meta"]
}