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_AES_CTR_DECRYPTOR_H_ 18 #define CLEARKEY_AES_CTR_DECRYPTOR_H_ 19 20 #include <media/stagefright/foundation/ABase.h> 21 #include <media/stagefright/MediaErrors.h> 22 #include <Utils.h> 23 #include <utils/Errors.h> 24 #include <utils/Vector.h> 25 26 #include "ClearKeyTypes.h" 27 28 namespace clearkeydrm { 29 30 class AesCtrDecryptor { 31 public: AesCtrDecryptor()32 AesCtrDecryptor() {} 33 34 android::status_t decrypt(const android::Vector<uint8_t>& key, const Iv iv, 35 const uint8_t* source, uint8_t* destination, 36 const SubSample* subSamples, size_t numSubSamples, 37 size_t* bytesDecryptedOut); 38 39 private: 40 DISALLOW_EVIL_CONSTRUCTORS(AesCtrDecryptor); 41 }; 42 43 } // namespace clearkeydrm 44 45 #endif // CLEARKEY_AES_CTR_DECRYPTOR_H_ 46