f2afd99431
Adds a property that allows applications to get the provisioning-unique serial number. Bug: 9175567 Also fixes some missing mutexes that were causing intermittent failures in calls to OEMCrypto due to concurrency issues. Bug: 9175583 Merge of https://widevine-internal-review.googlesource.com/#/c/5831/ from the Widevine CDM repository Change-Id: I1d7e3ca9f3b06da345022f5f0d64e0c17a5cedca
78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
// Copyright 2012 Google Inc. All Rights Reserved.
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//
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// OEMCrypto Client - wrapper class for C-style OEMCrypto interface
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//
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#ifndef CDM_BASE_CRYPTO_ENGINE_H_
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#define CDM_BASE_CRYPTO_ENGINE_H_
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#include <stdint.h>
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#include <map>
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#include <string>
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#include "crypto_session.h"
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#include "lock.h"
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#include "wv_cdm_types.h"
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namespace wvcdm {
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typedef std::map<CdmSessionId,CryptoSession*> CryptoSessionMap;
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class CryptoEngine {
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friend class CryptoSession;
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private:
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CryptoEngine();
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~CryptoEngine();
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public:
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// get an instance of Crypto engine
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static CryptoEngine* GetInstance();
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bool Init();
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bool Terminate();
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bool ValidateKeybox();
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CryptoSession* CreateSession(const CdmSessionId& session_id);
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CryptoSession* FindSession(const CdmSessionId& session_id);
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bool DestroySession(const CdmSessionId& session_id);
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bool DestroySessions();
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bool GetToken(std::string* token);
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typedef enum {
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kSecurityLevelL1,
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kSecurityLevelL2,
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kSecurityLevelL3,
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kSecurityLevelUnknown
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} SecurityLevel;
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SecurityLevel GetSecurityLevel();
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bool GetDeviceUniqueId(std::string* deviceId);
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bool GetSystemId(uint32_t* systemId);
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bool GetProvisioningId(std::string* provisioningId);
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private:
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void DeleteInstance();
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static CryptoEngine* CreateSingleton();
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CryptoSession* FindSessionInternal(const CdmSessionId& session_id);
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static CryptoEngine* crypto_engine_;
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static Lock crypto_engine_lock_;
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bool initialized_;
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mutable Lock crypto_lock_;
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mutable Lock sessions_lock_;
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CryptoSessionMap sessions_;
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CORE_DISALLOW_COPY_AND_ASSIGN(CryptoEngine);
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};
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}; // namespace wvcdm
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#endif // CDM_BASE_CRYPTO_ENGINE_H_
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