1 /* 2 * Copyright (C) 2021 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.security.dice; 18 19 import android.hardware.security.dice.InputValues; 20 21 /** 22 * The maintenance allows callers to prompt the DICE node to demote itself. 23 * 24 * @hide 25 */ 26 @SensitiveData 27 interface IDiceMaintenance { 28 /** 29 * The implementation must demote itself by deriving new effective artifacts 30 * based on the list of input data passed to the function. 31 * As opposed to the IDiceNode::demote, this function effects all clients of 32 * the implementation. 33 * 34 * ## Error as service specific exception: 35 * ResponseCode::PERMISSION_DENIED if the caller does not have the demote_self permission. 36 * May produce any ResponseCode if anything went wrong. 37 */ demoteSelf(in InputValues[] input_values)38 void demoteSelf(in InputValues[] input_values); 39 } 40