1 /* 2 * Copyright (C) 2014 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 #ifndef CLEARKEY_SESSION_H_ 18 #define CLEARKEY_SESSION_H_ 19 20 #include <media/stagefright/foundation/ABase.h> 21 #include <utils/Errors.h> 22 #include <utils/Mutex.h> 23 #include <utils/RefBase.h> 24 #include <utils/String8.h> 25 #include <utils/Vector.h> 26 27 #include "ClearKeyTypes.h" 28 #include "Utils.h" 29 30 namespace clearkeydrm { 31 32 class Session : public android::RefBase { 33 public: Session(const android::Vector<uint8_t> & sessionId)34 explicit Session(const android::Vector<uint8_t>& sessionId) 35 : mSessionId(sessionId) {} ~Session()36 virtual ~Session() {} 37 sessionId()38 const android::Vector<uint8_t>& sessionId() const { return mSessionId; } 39 40 android::status_t getKeyRequest( 41 const android::Vector<uint8_t>& initData, 42 const android::String8& initDataType, 43 android::Vector<uint8_t>* keyRequest) const; 44 45 android::status_t provideKeyResponse( 46 const android::Vector<uint8_t>& response); 47 48 android::status_t decrypt( 49 const KeyId keyId, const Iv iv, const void* source, 50 void* destination, const SubSample* subSamples, 51 size_t numSubSamples, size_t* bytesDecryptedOut); 52 53 private: 54 DISALLOW_EVIL_CONSTRUCTORS(Session); 55 56 const android::Vector<uint8_t> mSessionId; 57 58 android::Mutex mMapLock; 59 KeyMap mKeyMap; 60 }; 61 62 } // namespace clearkeydrm 63 64 #endif // CLEARKEY_SESSION_H_ 65