{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "enc": {
      "type": "string",
      "pattern": "^[A-Za-z0-9+/]{87}=$"
    },
    "ciphertext": {
      "type": "string",
      "minLength": 24,
      "maxLength": 20000,
      "pattern": "^[A-Za-z0-9+/]+={0,2}$"
    }
  },
  "required": [
    "enc",
    "ciphertext"
  ],
  "additionalProperties": false,
  "description": "HPKE P-256/HKDF-SHA256/AES-256-GCM. Standard padded base64, not base64url. AAD binds profile, instance, agent, session, request, path, target and direction.",
  "title": "ContextBox",
  "$comment": "owp-market-local/0.2; fictional loopback market, non-redeemable test credits only."
}