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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.car.trust;
     18 
     19 /**
     20  * Delegate interface for escrow token exchange request.
     21  *
     22  * TrustAgentService uses async pattern and we therefore divide the
     23  * request and response into two separate AIDL interfaces.
     24  *
     25  * CarBleTrustAgent would implement this interface and set itself as a delegate.
     26  *
     27  * @hide
     28  */
     29 interface ICarTrustAgentTokenRequestDelegate {
     30     /** Called to revoke trust */
     31     void revokeTrust();
     32 
     33     /** Called to add escrow token for foreground user */
     34     void addEscrowToken(in byte[] token, int uid);
     35 
     36     /** Called to remove escrow token for foreground user */
     37     void removeEscrowToken(long handle, int uid);
     38 
     39     /** Called to query if the foreground user has active escrow token */
     40     void isEscrowTokenActive(long handle, int uid);
     41 }
     42