1 /* 2 * Copyright (C) 2016 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 package android.hardware.drm@1.0; 17 18 import ICryptoPlugin; 19 20 /** 21 * Ref: frameworks/native/include/media/hardware/CryptoAPI.h:CryptoFactory 22 * 23 * ICryptoFactory is the main entry point for interacting with a vendor's 24 * crypto HAL to create crypto plugins. Crypto plugins create crypto sessions 25 * which are used by a codec to decrypt protected video content. 26 */ 27 interface ICryptoFactory { 28 /** 29 * Determine if a crypto scheme is supported by this HAL 30 * 31 * @param uuid identifies the crypto scheme in question 32 * @return isSupported must be true only if the scheme is supported 33 */ 34 isCryptoSchemeSupported(uint8_t[16] uuid) generates(bool isSupported); 35 36 /** 37 * Create a crypto plugin for the specified uuid and scheme-specific 38 * initialization data. 39 * 40 * @param uuid uniquely identifies the drm scheme. See 41 * http://dashif.org/identifiers/protection for uuid assignments 42 * @param initData scheme-specific init data. 43 * @return status the status of the call. The HAL implementation must return 44 * OK if the plugin is created and ERROR_DRM_CANNOT_HANDLE if the plugin 45 * cannot be created. 46 * @return cryptoPlugin the created ICryptoPlugin 47 */ 48 createPlugin(uint8_t[16] uuid, vec<uint8_t> initData) 49 generates (Status status, ICryptoPlugin cryptoPlugin); 50 }; 51
