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/*
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* Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* CWTLSCertChainAO class implementation
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*
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*/
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/**
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@file
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@internalTechnology
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*/
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#ifndef __WTLSCERTCHAINAO_H__
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#define __WTLSCERTCHAINAO_H__
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#include <e32base.h>
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#include <f32file.h>
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#include <unifiedcertstore.h>
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#include <hash.h>
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class CWTLSCertChain;
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class CWTLSValidationResult;
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class CWTLSCertificate;
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/**
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* This class handles the asynchronous part of the wtls chain validation. It
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* is an active object which handles the asynchronous certificate store operations.
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*/
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class CWTLSCertChainAO : public CActive
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{
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public:
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static CWTLSCertChainAO* NewL(RFs& aFs, CWTLSCertChain &aWTLSCertChain,
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const CArrayPtr<CWTLSCertificate>& aRootCerts);
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static CWTLSCertChainAO* NewL(RFs& aFs, CWTLSCertChain &aWTLSCertChain,
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const TUid aClient);
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virtual ~CWTLSCertChainAO();
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virtual TInt RunError(TInt aError);
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private:
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CWTLSCertChainAO(RFs& aFs, CWTLSCertChain &aWTLSCertChain);
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CWTLSCertChainAO(RFs& aFs, CWTLSCertChain &aWTLSCertChain, const TUid aClient);
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void ConstructL(const CArrayPtr<CWTLSCertificate>& aRootCerts);
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public:
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void RunL();
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void DoCancel();
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private:
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/**
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* This function creates a CCertStoreManager,
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* calls CCertStoreManager initialise and sets the state
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* to EStoreManagerInitialized
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*/
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void HandleEStoreManagerInitializationL();
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void HandleEStoreManagerInitializedL();
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void HandleEGetCertHashesL();
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void HandleEPruneListL();
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void HandleEPruneListDoneL();
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void HandleECheckTCAL();
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void HandleEIsChainSelfSignedL();
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void HandleERetrieveRootsL();
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void HandleEAddRootToListL();
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void HandleEFindRootL();
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void HandleEValidateEndL();
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// Request functions
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public:
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void Validate(CWTLSValidationResult& aValidationResult, const TTime& aValidationTime,
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TRequestStatus& aStatus);
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private:
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TBool CheckSignatureAndNameL(const CWTLSCertificate& aCert,
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CWTLSValidationResult& aResult, TInt aPos) const;
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TBool CheckValidityPeriod(const CWTLSCertificate& aCert,
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CWTLSValidationResult& aResult, const TTime aTime, TInt aPos) const;
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HBufC8& GeneratePublicKeyHashL(const CWTLSCertificate& aCert) const;
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enum TState
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{
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EStoreManagerInitialization = 0,
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EStoreManagerInitialized,
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EGetCertHashes,
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EPruneList,
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EPruneListDone,
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ECheckTCA,
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EIsChainSelfSigned,
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ERetrieveRoots,
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EAddRootToList,
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EFindRoot,
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EValidateEnd
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};
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private:
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RFs& iFs;
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CUnifiedCertStore* iCertStoreManager;
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/**
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* List of the subject hashes from the cert store
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* The elements remained owned by the CCTCertInfo
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*/
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RPointerArray< TBuf8<20> > iRootSubjectStoreHashList;
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/**
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* List of the subject hashes from the passed in certs
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* We own this object and all its elements
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*/
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RPointerArray< HBufC8 > iRootSubjectClientHashList;
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CCertAttributeFilter* iFilter;
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/**
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* Stores info on the certs in the cert store
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* We own this object and all its elements
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*/
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RMPointerArray<CCTCertInfo> iCertInfos;
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/**
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* Indicates whether iWTLSCertChain.iChain was pruned or not
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*/
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TBool iPruned;
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/**
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* The index within iChain that the chain was pruned
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*/
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TInt iPrunedChainLength;
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CWTLSCertChain& iWTLSCertChain;
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TUid iClient;
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TPtr8 iEncodedCert;
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HBufC8* iEncodedCertTemp;
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TState iState;
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TRequestStatus* iOriginalRequestStatus;
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/**
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* Roots passed in from the client that we trust
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* We own this object and all its elements
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*/
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RPointerArray<CWTLSCertificate> iRootsFromClient;
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/**
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* Roots from the specified cert store that we trust.
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* We own this object and all its elements
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*/
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RPointerArray<CWTLSCertificate> iRootsFromStore;
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/**
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* A counter used to carry counter information between AO states
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*/
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TInt iIndex;
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/**
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* Indicates if a root cert has been found for this particular chain
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*/
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TBool iFoundRoot;
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/**
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* To store the parameters passed to CWTLSCertChain::Validate
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*/
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CWTLSValidationResult* iValidationResult;
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/**
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* To store the parameters passed to CWTLSCertChain::Validate
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*/
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const TTime* iValidationTime;
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};
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#include <wtlscertchain.h>
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#endif
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