| // Copyright 2023 Google LLC | |
| // | |
| // Licensed under the Apache License, Version 2.0 (the "License"); | |
| // you may not use this file except in compliance with the License. | |
| // You may obtain a copy of the License at | |
| // | |
| // https://www.apache.org/licenses/LICENSE-2.0 | |
| // | |
| // Unless required by applicable law or agreed to in writing, software | |
| // distributed under the License is distributed on an "AS-IS" BASIS, | |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| // See the License for the specific language governing permissions and | |
| // limitations under the License. | |
| syntax = "proto3"; | |
| package privacy.ppn; | |
| option java_multiple_files = true; | |
| option java_package = "com.google.privacy.ppn.proto"; | |
| // Indicates client's desired or capable key support. | |
| enum KeyType { | |
| reserved 3; | |
| UNKNOWN_KEY_TYPE = 0; | |
| ZINC_KEY_TYPE = 1; | |
| AT_PUBLIC_METADATA_KEY_TYPE = 2; | |
| } |