CryptoHal.h revision e2b43843fd12783188edd2c54188ea8d26864788
1e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman/* 2e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Copyright (C) 2017 The Android Open Source Project 3e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 4e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Licensed under the Apache License, Version 2.0 (the "License"); 5e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * you may not use this file except in compliance with the License. 6e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * You may obtain a copy of the License at 7e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 8e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * http://www.apache.org/licenses/LICENSE-2.0 9e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 10e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Unless required by applicable law or agreed to in writing, software 11e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * distributed under the License is distributed on an "AS IS" BASIS, 12e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * See the License for the specific language governing permissions and 14e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * limitations under the License. 15e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman */ 16e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 17e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#ifndef CRYPTO_HAL_H_ 18e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 19e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#define CRYPTO_HAL_H_ 20e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 21e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <android/hardware/drm/1.0/ICryptoFactory.h> 22e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <android/hardware/drm/1.0/ICryptoPlugin.h> 23e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <media/ICrypto.h> 24e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <utils/KeyedVector.h> 25e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <utils/threads.h> 26e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 27e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include "SharedLibrary.h" 28e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 29e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanclass IMemoryHeap; 30e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 31e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramannamespace android { 32e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 33e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanstruct CryptoHal : public BnCrypto { 34e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman CryptoHal(); 35e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual ~CryptoHal(); 36e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 37e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t initCheck() const; 38e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 39e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]); 40e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 41e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t createPlugin( 42e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const uint8_t uuid[16], const void *data, size_t size); 43e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 44e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t destroyPlugin(); 45e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 46e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual bool requiresSecureDecoderComponent( 47e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const char *mime) const; 48e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 49e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual void notifyResolution(uint32_t width, uint32_t height); 50e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 51e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t setMediaDrmSession(const Vector<uint8_t> &sessionId); 52e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 53e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual ssize_t decrypt(const uint8_t key[16], const uint8_t iv[16], 54e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman CryptoPlugin::Mode mode, const CryptoPlugin::Pattern &pattern, 55e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const sp<IMemory> &source, size_t offset, 56e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const CryptoPlugin::SubSample *subSamples, size_t numSubSamples, 57e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const ICrypto::DestinationBuffer &destination, 58e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AString *errorDetailMsg); 59e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 60e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanprivate: 61e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman mutable Mutex mLock; 62e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 63e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman sp<SharedLibrary> mLibrary; 64e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman sp<::android::hardware::drm::V1_0::ICryptoFactory> mFactory; 65e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman sp<::android::hardware::drm::V1_0::ICryptoPlugin> mPlugin; 66e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 67e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman /** 68e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * mInitCheck is: 69e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * NO_INIT if a plugin hasn't been created yet 70e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * ERROR_UNSUPPORTED if a plugin can't be created for the uuid 71e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * OK after a plugin has been created and mPlugin is valid 72e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman */ 73e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman status_t mInitCheck; 74e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 75e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman KeyedVector<void *, uint32_t> mHeapBases; 76e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman uint32_t mNextBufferId; 77e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 78e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman sp<::android::hardware::drm::V1_0::ICryptoFactory> 79e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman makeCryptoFactory(); 80e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman sp<::android::hardware::drm::V1_0::ICryptoPlugin> 81e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman makeCryptoPlugin(const uint8_t uuid[16], const void *initData, 82e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman size_t size); 83e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 84e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman void setHeapBase(const sp<IMemoryHeap>& heap); 85e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 86e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman status_t toSharedBuffer(const sp<IMemory>& memory, 87e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman ::android::hardware::drm::V1_0::SharedBuffer* buffer); 88e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 89e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman DISALLOW_EVIL_CONSTRUCTORS(CryptoHal); 90e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman}; 91e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 92e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman} // namespace android 93e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 94e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#endif // CRYPTO_HAL_H_ 95