| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <binder/IInterface.h> |
| #include <media/stagefright/foundation/ABase.h> |
| #include <media/hardware/CryptoAPI.h> |
| |
| #ifndef ANDROID_ICRYPTO_H_ |
| |
| #define ANDROID_ICRYPTO_H_ |
| |
| namespace android { |
| |
| struct AString; |
| class IMemory; |
| |
| struct ICrypto : public IInterface { |
| DECLARE_META_INTERFACE(Crypto); |
| |
| virtual status_t initCheck() const = 0; |
| |
| virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]) = 0; |
| |
| virtual status_t createPlugin( |
| const uint8_t uuid[16], const void *data, size_t size) = 0; |
| |
| virtual status_t destroyPlugin() = 0; |
| |
| virtual bool requiresSecureDecoderComponent( |
| const char *mime) const = 0; |
| |
| virtual void notifyResolution(uint32_t width, uint32_t height) = 0; |
| |
| virtual status_t setMediaDrmSession(const Vector<uint8_t> &sessionId) = 0; |
| |
| enum DestinationType { |
| kDestinationTypeVmPointer, // non-secure |
| kDestinationTypeOpaqueHandle, // secure |
| kDestinationTypeNativeHandle // secure |
| }; |
| |
| virtual ssize_t decrypt( |
| DestinationType dstType, |
| const uint8_t key[16], |
| const uint8_t iv[16], |
| CryptoPlugin::Mode mode, |
| const CryptoPlugin::Pattern &pattern, |
| const sp<IMemory> &sharedBuffer, size_t offset, |
| const CryptoPlugin::SubSample *subSamples, size_t numSubSamples, |
| void *dstPtr, |
| AString *errorDetailMsg) = 0; |
| |
| private: |
| DISALLOW_EVIL_CONSTRUCTORS(ICrypto); |
| }; |
| |
| struct BnCrypto : public BnInterface<ICrypto> { |
| virtual status_t onTransact( |
| uint32_t code, const Parcel &data, Parcel *reply, |
| uint32_t flags = 0); |
| private: |
| void readVector(const Parcel &data, Vector<uint8_t> &vector) const; |
| void writeVector(Parcel *reply, Vector<uint8_t> const &vector) const; |
| }; |
| |
| } // namespace android |
| |
| #endif // ANDROID_ICRYPTO_H_ |