| Name | Type | Description | Notes |
|---|---|---|---|
| key | UUID | The ID of the source key currently protecting the data payload. | |
| encryptionContext | byte[] | Optional Base64-encoded encryption context originally appended to the AAD to confirm package validation rules. | [optional] |
| ciphertext | byte[] | The Base64-encoded encrypted payload package ready to undergo source-side key decryption. |