/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: A class that provides a signing operation.

*

*/

#ifndef C_PKISERVICESIGNER_H

#define C_PKISERVICESIGNER_H

#include <e32base.h>

#include "pkidefs.h"

class MCTKeyStoreManager;

class CLogonServices;

/**

 * This class signs a given data by using a stored private key.

 */

class CPkiServiceSigner : public CActive

    {

public:

    static CPkiServiceSigner* NewL(CLogonServices& aLogonServices);

    ~CPkiServiceSigner();

    void Sign(const TPKIKeyIdentifier& aKeyId,

              const TDesC8& aDataToBeSigned,

              HBufC8*& aSignature,

              CUnifiedKeyStore& aUnifiedKeyStore,

              TInt aUsedKeyStore, 

              TRequestStatus& aStatus);

    void DoCancel();

    void RunL();

private:

    enum TSignerState

        {

        ESignerIdle = 0,

        ESignerGettingKey,

		ESignerOpeningSigner,

		ESignerSigning		        

        };

    CPkiServiceSigner(CLogonServices& aLogonServices);    

    void Cleanup();

    CLogonServices&  iLogonServices;

    TSignerState     iState;

    TRequestStatus*  iClientStatus;

    CUnifiedKeyStore* iKeyStore; //Not owned by this class

    TInt              iUsedKeyStore;

    TPtrC8              iInput;    //Not owned by this class

    HBufC8**            iOutputBuffer;//Not owned by this class

    const CCTKeyInfo*          iUsedKeyInfo;

    MRSASigner*                iRsaSigner;

    MDSASigner*                iDsaSigner;    

    CRSASignature*             iRsaSignature;

    CDSASignature*             iDsaSignature;    

    RMPointerArray<CCTKeyInfo> iKeysList; 

    };

#endif //C_PKISERVICESIGNER_H