CryptoHal.h revision 6dcab2bafd847be84c2c2230bbd04af9c45c491e
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> 23abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinker 24e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <media/ICrypto.h> 25e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <utils/KeyedVector.h> 26e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <utils/threads.h> 27e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 28abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinkerusing ::android::hardware::drm::V1_0::ICryptoFactory; 29abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinkerusing ::android::hardware::drm::V1_0::ICryptoPlugin; 30abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinkerusing ::android::hardware::drm::V1_0::SharedBuffer; 31e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 32e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanclass IMemoryHeap; 33e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 34e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramannamespace android { 35e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 36e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanstruct CryptoHal : public BnCrypto { 37e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman CryptoHal(); 38e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual ~CryptoHal(); 39e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 40e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t initCheck() const; 41e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 42e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]); 43e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 44e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t createPlugin( 45e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const uint8_t uuid[16], const void *data, size_t size); 46e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 47e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t destroyPlugin(); 48e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 49e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual bool requiresSecureDecoderComponent( 50e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const char *mime) const; 51e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 52e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual void notifyResolution(uint32_t width, uint32_t height); 53e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 54e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual status_t setMediaDrmSession(const Vector<uint8_t> &sessionId); 55e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 56e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual ssize_t decrypt(const uint8_t key[16], const uint8_t iv[16], 57e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman CryptoPlugin::Mode mode, const CryptoPlugin::Pattern &pattern, 586dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang const ICrypto::SourceBuffer &source, size_t offset, 59e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const CryptoPlugin::SubSample *subSamples, size_t numSubSamples, 60e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman const ICrypto::DestinationBuffer &destination, 61e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman AString *errorDetailMsg); 62e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 636dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang virtual int32_t setHeap(const sp<IMemoryHeap>& heap) { 646dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang return setHeapBase(heap); 656dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang } 666dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang virtual void unsetHeap(int32_t seqNum) { clearHeapBase(seqNum); } 67d07c92742fc5801cab8e99801f591365986acbe9Chong Zhang 68e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanprivate: 69e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman mutable Mutex mLock; 70e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 71abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinker const Vector<sp<ICryptoFactory>> mFactories; 72abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinker sp<ICryptoPlugin> mPlugin; 73e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 74e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman /** 75e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * mInitCheck is: 76e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * NO_INIT if a plugin hasn't been created yet 77e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * ERROR_UNSUPPORTED if a plugin can't be created for the uuid 78e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * OK after a plugin has been created and mPlugin is valid 79e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman */ 80e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman status_t mInitCheck; 81e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 826dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang KeyedVector<int32_t, uint32_t> mHeapBases; 83e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman uint32_t mNextBufferId; 846dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang int32_t mHeapSeqNum; 85e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 86abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinker Vector<sp<ICryptoFactory>> makeCryptoFactories(); 87abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinker sp<ICryptoPlugin> makeCryptoPlugin(const sp<ICryptoFactory>& factory, 88abeb36a8c2f044772297536e70340c3b245863e4Jeff Tinker const uint8_t uuid[16], const void *initData, size_t size); 89e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 906dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang int32_t setHeapBase(const sp<IMemoryHeap>& heap); 916dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang void clearHeapBase(int32_t seqNum); 92e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 936dcab2bafd847be84c2c2230bbd04af9c45c491eChong Zhang status_t toSharedBuffer(const sp<IMemory>& memory, int32_t seqNum, ::SharedBuffer* buffer); 94e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 95e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman DISALLOW_EVIL_CONSTRUCTORS(CryptoHal); 96e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman}; 97e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 98e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman} // namespace android 99e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 100e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#endif // CRYPTO_HAL_H_ 101