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 */ 16package android.hardware.drm@1.2; 17 18import @1.1::ICryptoFactory; 19 20/** 21 * ICryptoFactory is the main entry point for interacting with a vendor's 22 * crypto HAL to create crypto plugins. Crypto plugins create crypto sessions 23 * which are used by a codec to decrypt protected video content. 24 * 25 * The 1.2 factory must always create 1.2 ICryptoPlugin interfaces, which are 26 * returned via the 1.0 createPlugin method. 27 * 28 * To use 1.2 features the caller must cast the returned interface to a 29 * 1.2 HAL, using V1_2::IDrmPlugin::castFrom(). 30 * 31 * The ICryptoFactory hal is required because all top-level interfaces 32 * have to be updated in a minor uprev. 33 */ 34interface ICryptoFactory extends @1.1::ICryptoFactory { 35}; 36