os/security/cryptoservices/filebasedcertificateandkeystores/source/keystore/Server/CCreateKey.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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/*
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* Copyright (c) 2004-2009 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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* Implements CKeyCreator  
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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 __CCREATEKEYASYNC_H__
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#define __CCREATEKEYASYNC_H__
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#include "fsdatatypes.h"
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#include <e32std.h>
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#include <mctkeystore.h>
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#include <asymmetrickeys.h>
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#include <bigint.h>
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class CSimpleDHKey;
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class CKeyCreatorData;
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//! Server side
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//!	Class to make key creation "asynchronous" by spinning off a thread
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//!	to make the synchronous call to the appropriate key creation function
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//!	The thread entry point is a static member of this class, which holds the 
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//! thread and thread parameter data too.  When the key has been created, the
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//! thread terminates using Rendezvous to notify the main thread.  The created key
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//! is returned through the CAsymmetricCipher member of CKeyCreatorData
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class CKeyCreator : public CActive
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{
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public:
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	CKeyCreator();
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	~CKeyCreator();
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public:	//	Spin a thread to create an appropriate key, if successful, left on CleanupStack
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	void DoCreateKeyAsync(CKeyInfo::EKeyAlgorithm aAlgorithm, TInt aSize, TRequestStatus& aStatus);
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public:
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//	JCS this needs improvement when new crypto api is reviewed
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	CRSAKeyPair* GetCreatedRSAKey();
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	CDSAKeyPair* GetCreatedDSAKey();
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	void GetCreatedDHKey(RInteger& aDHKey);
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protected:
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	void DoCancel();
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	void RunL();
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	TInt RunError(TInt anError);
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private:
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	static TInt CreatorThreadEntryPoint(TAny*);
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private:
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	enum TAction {EIdle, EReadyToCreateKey, ECreatedKey};
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	TAction iAction;
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private:
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	TRequestStatus* iClientStatus;
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	RThread iCreatorThread;
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private:
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	class CKeyCreatorData : public CBase
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	{
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	public:
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		CKeyCreatorData(CKeyInfo::EKeyAlgorithm aAlgorithm, TInt aSize);
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		~CKeyCreatorData();
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	public:	//	Don't bother hiding the data from myself
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		TInt iSize;
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		CKeyInfo::EKeyAlgorithm iKeyAlgorithm;
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	//	Algorithm identified by iKeyAlgorithm
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		union CreatedKey
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		{
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			CRSAKeyPair* iRSAKey;
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			CDSAKeyPair* iDSAKey;
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			CSimpleDHKey* iDHKey;
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		}	iKey;
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	};
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	CKeyCreatorData* iCreateData;
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};
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#endif	//	__CCREATEKEYASYNC_H__