sl@0: /*
sl@0: * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: * Implements CKeyCreator  
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file 
sl@0:  @internalTechnology
sl@0: */
sl@0:  
sl@0: #ifndef __CCREATEKEYASYNC_H__
sl@0: #define __CCREATEKEYASYNC_H__
sl@0: 
sl@0: #include "fsdatatypes.h"
sl@0: #include <e32std.h>
sl@0: #include <mctkeystore.h>
sl@0: #include <asymmetrickeys.h>
sl@0: #include <bigint.h>
sl@0: 
sl@0: class CSimpleDHKey;
sl@0: class CKeyCreatorData;
sl@0: 
sl@0: //! Server side
sl@0: //!	Class to make key creation "asynchronous" by spinning off a thread
sl@0: //!	to make the synchronous call to the appropriate key creation function
sl@0: //!	The thread entry point is a static member of this class, which holds the 
sl@0: //! thread and thread parameter data too.  When the key has been created, the
sl@0: //! thread terminates using Rendezvous to notify the main thread.  The created key
sl@0: //! is returned through the CAsymmetricCipher member of CKeyCreatorData
sl@0: class CKeyCreator : public CActive
sl@0: {
sl@0: public:
sl@0: 	CKeyCreator();
sl@0: 	~CKeyCreator();
sl@0: public:	//	Spin a thread to create an appropriate key, if successful, left on CleanupStack
sl@0: 	void DoCreateKeyAsync(CKeyInfo::EKeyAlgorithm aAlgorithm, TInt aSize, TRequestStatus& aStatus);
sl@0: public:
sl@0: //	JCS this needs improvement when new crypto api is reviewed
sl@0: 	CRSAKeyPair* GetCreatedRSAKey();
sl@0: 	CDSAKeyPair* GetCreatedDSAKey();
sl@0: 	void GetCreatedDHKey(RInteger& aDHKey);
sl@0: protected:
sl@0: 	void DoCancel();
sl@0: 	void RunL();
sl@0: 	TInt RunError(TInt anError);
sl@0: private:
sl@0: 	static TInt CreatorThreadEntryPoint(TAny*);
sl@0: private:
sl@0: 	enum TAction {EIdle, EReadyToCreateKey, ECreatedKey};
sl@0: 	TAction iAction;
sl@0: private:
sl@0: 	TRequestStatus* iClientStatus;
sl@0: 	RThread iCreatorThread;
sl@0: private:
sl@0: 	class CKeyCreatorData : public CBase
sl@0: 	{
sl@0: 	public:
sl@0: 		CKeyCreatorData(CKeyInfo::EKeyAlgorithm aAlgorithm, TInt aSize);
sl@0: 		~CKeyCreatorData();
sl@0: 	public:	//	Don't bother hiding the data from myself
sl@0: 		TInt iSize;
sl@0: 		CKeyInfo::EKeyAlgorithm iKeyAlgorithm;
sl@0: 	//	Algorithm identified by iKeyAlgorithm
sl@0: 		
sl@0: 		union CreatedKey
sl@0: 		{
sl@0: 			CRSAKeyPair* iRSAKey;
sl@0: 			CDSAKeyPair* iDSAKey;
sl@0: 			CSimpleDHKey* iDHKey;
sl@0: 		}	iKey;
sl@0: 	};
sl@0: 	
sl@0: 	CKeyCreatorData* iCreateData;
sl@0: };
sl@0: 
sl@0: #endif	//	__CCREATEKEYASYNC_H__