Files
android/libwvdrmengine/mediadrm/include/WVDrmPlugin.h
Rahul Frias 2045316001 Add API for device provisioning server certificate
[ Merge of http://go/wvgerrit/20205/ ]

This is separate from the server certificate used for license
requests.

b/34211823

Test: Reran unittests. All tests other than some oemcrypto,
request_license_test passed. Those tests failed with or without this CL.

Change-Id: I23abdf276f8d3db9222f014175d0bb5094010a04
2017-01-13 13:18:39 -08:00

308 lines
9.8 KiB
C++

//
// Copyright 2013 Google Inc. All Rights Reserved.
//
#ifndef WV_DRM_PLUGIN_H_
#define WV_DRM_PLUGIN_H_
#include <stdint.h>
#include <map>
#include "cdm_client_property_set.h"
#include "media/drm/DrmAPI.h"
#include "media/stagefright/foundation/ABase.h"
#include "media/stagefright/foundation/AString.h"
#include "OEMCryptoCENC.h"
#include "utils/Errors.h"
#include "utils/KeyedVector.h"
#include "utils/List.h"
#include "utils/String8.h"
#include "utils/StrongPointer.h"
#include "utils/Vector.h"
#include "wv_cdm_event_listener.h"
#include "wv_content_decryption_module.h"
#include "WVGenericCryptoInterface.h"
namespace wvdrm {
using android::KeyedVector;
using android::List;
using android::status_t;
using android::String8;
using android::Vector;
using std::map;
using wvcdm::CdmKeyStatusMap;
using wvcdm::CdmSessionId;
using wvcdm::CdmResponseType;
using wvcdm::WvContentDecryptionModule;
const OEMCrypto_Algorithm kInvalidCryptoAlgorithm =
static_cast<OEMCrypto_Algorithm>(-1);
class WVDrmPlugin : public android::DrmPlugin,
public wvcdm::WvCdmEventListener {
public:
WVDrmPlugin(const android::sp<wvcdm::WvContentDecryptionModule>& cdm,
WVGenericCryptoInterface* crypto);
virtual ~WVDrmPlugin();
virtual status_t openSession(Vector<uint8_t>& sessionId);
virtual status_t closeSession(const Vector<uint8_t>& sessionId);
virtual status_t getKeyRequest(
const Vector<uint8_t>& scope,
const Vector<uint8_t>& initData,
const String8& initDataType,
KeyType keyType,
const KeyedVector<String8, String8>& optionalParameters,
Vector<uint8_t>& request,
String8& defaultUrl,
KeyRequestType *keyRequestType);
virtual status_t provideKeyResponse(const Vector<uint8_t>& scope,
const Vector<uint8_t>& response,
Vector<uint8_t>& keySetId);
virtual status_t removeKeys(const Vector<uint8_t>& sessionId);
virtual status_t restoreKeys(const Vector<uint8_t>& sessionId,
const Vector<uint8_t>& keySetId);
virtual status_t queryKeyStatus(
const Vector<uint8_t>& sessionId,
KeyedVector<String8, String8>& infoMap) const;
virtual status_t getProvisionRequest(const String8& cert_type,
const String8& cert_authority,
Vector<uint8_t>& request,
String8& defaultUrl);
virtual status_t provideProvisionResponse(const Vector<uint8_t>& response,
Vector<uint8_t>& certificate,
Vector<uint8_t>& wrapped_key);
virtual status_t unprovisionDevice();
virtual status_t getSecureStop(const Vector<uint8_t>& ssid,
Vector<uint8_t>& secureStop);
virtual status_t getSecureStops(List<Vector<uint8_t> >& secureStops);
virtual status_t releaseAllSecureStops();
virtual status_t releaseSecureStops(const Vector<uint8_t>& ssRelease);
virtual status_t getPropertyString(const String8& name, String8& value) const;
virtual status_t getPropertyByteArray(const String8& name,
Vector<uint8_t>& value) const;
virtual status_t setPropertyString(const String8& name, const String8& value);
virtual status_t setPropertyByteArray(const String8& name,
const Vector<uint8_t>& value);
virtual status_t setCipherAlgorithm(const Vector<uint8_t>& sessionId,
const String8& algorithm);
virtual status_t setMacAlgorithm(const Vector<uint8_t>& sessionId,
const String8& algorithm);
virtual status_t encrypt(const Vector<uint8_t>& sessionId,
const Vector<uint8_t>& keyId,
const Vector<uint8_t>& input,
const Vector<uint8_t>& iv,
Vector<uint8_t>& output);
virtual status_t decrypt(const Vector<uint8_t>& sessionId,
const Vector<uint8_t>& keyId,
const Vector<uint8_t>& input,
const Vector<uint8_t>& iv,
Vector<uint8_t>& output);
virtual status_t sign(const Vector<uint8_t>& sessionId,
const Vector<uint8_t>& keyId,
const Vector<uint8_t>& message,
Vector<uint8_t>& signature);
virtual status_t verify(const Vector<uint8_t>& sessionId,
const Vector<uint8_t>& keyId,
const Vector<uint8_t>& message,
const Vector<uint8_t>& signature,
bool& match);
virtual status_t signRSA(const Vector<uint8_t>& sessionId,
const String8& algorithm,
const Vector<uint8_t>& message,
const Vector<uint8_t>& wrappedKey,
Vector<uint8_t>& signature);
virtual void OnSessionRenewalNeeded(const CdmSessionId& cdmSessionId);
virtual void OnSessionKeysChange(const CdmSessionId& cdmSessionId,
const CdmKeyStatusMap& cdmKeysStatus,
bool hasNewUsableKey);
virtual void OnExpirationUpdate(const CdmSessionId& cdmSessionId,
int64_t newExpiryTimeSeconds);
private:
DISALLOW_EVIL_CONSTRUCTORS(WVDrmPlugin);
struct CryptoSession {
public:
CryptoSession()
: mOecSessionId(-1),
mCipherAlgorithm(kInvalidCryptoAlgorithm),
mMacAlgorithm(kInvalidCryptoAlgorithm) {}
CryptoSession(OEMCrypto_SESSION sessionId)
: mOecSessionId(sessionId),
mCipherAlgorithm(kInvalidCryptoAlgorithm),
mMacAlgorithm(kInvalidCryptoAlgorithm) {}
OEMCrypto_SESSION oecSessionId() const { return mOecSessionId; }
OEMCrypto_Algorithm cipherAlgorithm() const { return mCipherAlgorithm; }
void setCipherAlgorithm(OEMCrypto_Algorithm newAlgorithm) {
mCipherAlgorithm = newAlgorithm;
}
OEMCrypto_Algorithm macAlgorithm() const { return mMacAlgorithm; }
void setMacAlgorithm(OEMCrypto_Algorithm newAlgorithm) {
mMacAlgorithm = newAlgorithm;
}
private:
OEMCrypto_SESSION mOecSessionId;
OEMCrypto_Algorithm mCipherAlgorithm;
OEMCrypto_Algorithm mMacAlgorithm;
};
class WVClientPropertySet : public wvcdm::CdmClientPropertySet {
public:
WVClientPropertySet()
: mUsePrivacyMode(false), mShareKeys(false), mSessionSharingId(0) {}
virtual ~WVClientPropertySet() {}
virtual const std::string& security_level() const {
return mSecurityLevel;
}
void set_security_level(const std::string& securityLevel) {
mSecurityLevel = securityLevel;
}
virtual bool use_privacy_mode() const {
return mUsePrivacyMode;
}
void set_use_privacy_mode(bool usePrivacyMode) {
mUsePrivacyMode = usePrivacyMode;
}
virtual const std::string& service_certificate() const {
return mServiceCertificate;
}
virtual void set_service_certificate(
const std::string& serviceCertificate) {
mServiceCertificate = serviceCertificate;
}
virtual const std::string& device_provisioning_service_certificate() const {
// Android does not support service certificates for provisioning.
return mEmptyString;
}
virtual void set_device_provisioning_service_certificate(
const std::string& ) {
// Ignore. Android does not support service certificates for provisioning
}
virtual bool is_session_sharing_enabled() const {
return mShareKeys;
}
void set_is_session_sharing_enabled(bool shareKeys) {
mShareKeys = shareKeys;
}
virtual uint32_t session_sharing_id() const {
return mSessionSharingId;
}
virtual void set_session_sharing_id(uint32_t id) {
mSessionSharingId = id;
}
virtual const std::string& app_id() const {
return mAppId;
}
void set_app_id(const std::string& appId) {
mAppId = appId;
}
private:
DISALLOW_EVIL_CONSTRUCTORS(WVClientPropertySet);
std::string mSecurityLevel;
bool mUsePrivacyMode;
std::string mServiceCertificate;
bool mShareKeys;
uint32_t mSessionSharingId;
std::string mAppId;
const std::string mEmptyString;
} mPropertySet;
android::sp<wvcdm::WvContentDecryptionModule> const mCDM;
WVGenericCryptoInterface* mCrypto;
std::string mOrigin;
map<CdmSessionId, CryptoSession> mCryptoSessions;
status_t queryProperty(const std::string& property,
std::string& stringValue) const;
status_t queryProperty(wvcdm::SecurityLevel securityLevel,
const std::string& property,
std::string& stringValue) const;
status_t queryProperty(const std::string& property,
String8& string8_value) const;
status_t queryProperty(const std::string& property,
Vector<uint8_t>& vector_value) const;
status_t mapAndNotifyOfCdmResponseType(const Vector<uint8_t>& sessionId,
CdmResponseType res);
status_t mapAndNotifyOfOEMCryptoResult(const Vector<uint8_t>& sessionId,
OEMCryptoResult res);
bool tryGettingOEMProfilingHistory(
const String8& name,
Vector<uint8_t>& value) const;
bool tryGettingOEMProfilingStats(
const String8& name,
Vector<uint8_t>& value) const;
status_t mapOEMCryptoResult(OEMCryptoResult res);
bool initDataResemblesPSSH(const Vector<uint8_t>& initData);
status_t unprovision(const std::string& origin);
const char* determineOrigin() const;
};
} // namespace wvdrm
#endif // WV_DRM_PLUGIN_H_