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/*
* 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_