1 /* 2 * Copyright (C) 2017 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 com.android.server; 18 19 /** 20 * Internal interface for storing and retrieving persistent data. 21 */ 22 public interface PersistentDataBlockManagerInternal { 23 24 /** Stores the handle to a lockscreen credential to be used for Factory Reset Protection. */ setFrpCredentialHandle(byte[] handle)25 void setFrpCredentialHandle(byte[] handle); 26 27 /** 28 * Retrieves handle to a lockscreen credential to be used for Factory Reset Protection. 29 * 30 * @throws IllegalStateException if the underlying storage is corrupt or inaccessible. 31 */ getFrpCredentialHandle()32 byte[] getFrpCredentialHandle(); 33 34 /** Stores the data used to enable the Test Harness Mode after factory-resetting. */ setTestHarnessModeData(byte[] data)35 void setTestHarnessModeData(byte[] data); 36 37 /** 38 * Retrieves the data used to place the device into Test Harness Mode. 39 * 40 * @throws IllegalStateException if the underlying storage is corrupt or inaccessible. 41 */ getTestHarnessModeData()42 byte[] getTestHarnessModeData(); 43 44 /** Clear out the Test Harness Mode data. */ clearTestHarnessModeData()45 void clearTestHarnessModeData(); 46 47 /** Update the OEM unlock enabled bit, bypassing user restriction checks. */ forceOemUnlockEnabled(boolean enabled)48 void forceOemUnlockEnabled(boolean enabled); 49 } 50