172 lines
6.6 KiB
C++
172 lines
6.6 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DRM_H_
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#define DRM_H_
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#include "SharedLibrary.h"
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#include <media/IDrm.h>
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#include <media/IDrmClient.h>
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#include <utils/threads.h>
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namespace android {
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class DrmFactory;
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class DrmPlugin;
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struct DrmSessionClientInterface;
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struct Drm : public BnDrm,
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public IBinder::DeathRecipient,
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public DrmPluginListener {
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Drm();
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virtual ~Drm();
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virtual status_t initCheck() const;
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virtual bool isCryptoSchemeSupported(const uint8_t uuid[16], const String8 &mimeType);
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virtual status_t createPlugin(const uint8_t uuid[16]);
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virtual status_t destroyPlugin();
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virtual status_t openSession(Vector<uint8_t> &sessionId);
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virtual status_t closeSession(Vector<uint8_t> const &sessionId);
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virtual status_t
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getKeyRequest(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &initData,
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String8 const &mimeType, DrmPlugin::KeyType keyType,
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KeyedVector<String8, String8> const &optionalParameters,
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Vector<uint8_t> &request, String8 &defaultUrl,
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DrmPlugin::KeyRequestType *keyRequestType);
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virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &response,
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Vector<uint8_t> &keySetId);
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virtual status_t removeKeys(Vector<uint8_t> const &keySetId);
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virtual status_t restoreKeys(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keySetId);
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virtual status_t queryKeyStatus(Vector<uint8_t> const &sessionId,
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KeyedVector<String8, String8> &infoMap) const;
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virtual status_t getProvisionRequest(String8 const &certType,
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String8 const &certAuthority,
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Vector<uint8_t> &request,
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String8 &defaulUrl);
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virtual status_t provideProvisionResponse(Vector<uint8_t> const &response,
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Vector<uint8_t> &certificate,
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Vector<uint8_t> &wrappedKey);
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virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops);
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virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop);
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virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease);
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virtual status_t releaseAllSecureStops();
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virtual status_t getPropertyString(String8 const &name, String8 &value ) const;
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virtual status_t getPropertyByteArray(String8 const &name,
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Vector<uint8_t> &value ) const;
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virtual status_t setPropertyString(String8 const &name, String8 const &value ) const;
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virtual status_t setPropertyByteArray(String8 const &name,
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Vector<uint8_t> const &value ) const;
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virtual status_t setCipherAlgorithm(Vector<uint8_t> const &sessionId,
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String8 const &algorithm);
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virtual status_t setMacAlgorithm(Vector<uint8_t> const &sessionId,
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String8 const &algorithm);
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virtual status_t encrypt(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keyId,
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Vector<uint8_t> const &input,
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Vector<uint8_t> const &iv,
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Vector<uint8_t> &output);
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virtual status_t decrypt(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keyId,
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Vector<uint8_t> const &input,
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Vector<uint8_t> const &iv,
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Vector<uint8_t> &output);
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virtual status_t sign(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keyId,
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Vector<uint8_t> const &message,
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Vector<uint8_t> &signature);
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virtual status_t verify(Vector<uint8_t> const &sessionId,
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Vector<uint8_t> const &keyId,
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Vector<uint8_t> const &message,
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Vector<uint8_t> const &signature,
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bool &match);
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virtual status_t signRSA(Vector<uint8_t> const &sessionId,
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String8 const &algorithm,
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Vector<uint8_t> const &message,
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Vector<uint8_t> const &wrappedKey,
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Vector<uint8_t> &signature);
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virtual status_t setListener(const sp<IDrmClient>& listener);
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virtual void sendEvent(DrmPlugin::EventType eventType, int extra,
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Vector<uint8_t> const *sessionId,
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Vector<uint8_t> const *data);
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virtual void sendExpirationUpdate(Vector<uint8_t> const *sessionId,
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int64_t expiryTimeInMS);
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virtual void sendKeysChange(Vector<uint8_t> const *sessionId,
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Vector<DrmPlugin::KeyStatus> const *keyStatusList,
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bool hasNewUsableKey);
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virtual void binderDied(const wp<IBinder> &the_late_who);
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private:
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static Mutex mLock;
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status_t mInitCheck;
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sp<DrmSessionClientInterface> mDrmSessionClient;
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sp<IDrmClient> mListener;
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mutable Mutex mEventLock;
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mutable Mutex mNotifyLock;
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sp<SharedLibrary> mLibrary;
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DrmFactory *mFactory;
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DrmPlugin *mPlugin;
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static KeyedVector<Vector<uint8_t>, String8> mUUIDToLibraryPathMap;
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static KeyedVector<String8, wp<SharedLibrary> > mLibraryPathToOpenLibraryMap;
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static Mutex mMapLock;
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void findFactoryForScheme(const uint8_t uuid[16]);
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bool loadLibraryForScheme(const String8 &path, const uint8_t uuid[16]);
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void closeFactory();
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void writeByteArray(Parcel &obj, Vector<uint8_t> const *array);
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DISALLOW_EVIL_CONSTRUCTORS(Drm);
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};
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} // namespace android
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#endif // CRYPTO_H_
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