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 */ 16 17 #ifndef CLEARKEY_AES_CTR_DECRYPTOR_H_ 18 #define CLEARKEY_AES_CTR_DECRYPTOR_H_ 19 20 #include "ClearKeyTypes.h" 21 22 namespace android { 23 namespace hardware { 24 namespace drm { 25 namespace V1_4 { 26 namespace clearkey { 27 28 using ::android::hardware::drm::V1_0::Status; 29 using ::android::hardware::drm::V1_0::SubSample; 30 31 class AesCtrDecryptor { 32 public: AesCtrDecryptor()33 AesCtrDecryptor() {} 34 35 Status decrypt(const std::vector<uint8_t>& key, const Iv iv, 36 const uint8_t* source, uint8_t* destination, 37 const std::vector<SubSample> subSamples, size_t numSubSamples, 38 size_t* bytesDecryptedOut); 39 40 private: 41 CLEARKEY_DISALLOW_COPY_AND_ASSIGN(AesCtrDecryptor); 42 }; 43 44 } // namespace clearkey 45 } // namespace V1_4 46 } // namespace drm 47 } // namespace hardware 48 } // namespace android 49 50 #endif // CLEARKEY_AES_CTR_DECRYPTOR_H_ 51