| // Copyright 2015 The Android Open Source Project | 
 | // | 
 | // 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 | 
 | // | 
 | //      http://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 = "proto2"; | 
 |  | 
 | package keystore; | 
 |  | 
 | option optimize_for = LITE_RUNTIME; | 
 |  | 
 | // Holds encrypted, authenticated data. | 
 | message EncryptedData { | 
 |   // The initialization vector used during encryption. | 
 |   optional bytes init_vector = 1; | 
 |   // MAC of (init_vector + encrypted_data). | 
 |   optional bytes authentication_data = 2; | 
 |   optional bytes encrypted_data = 3; | 
 | } |