1 /*

     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef __DHIMPL_H__

    20 #define __DHIMPL_H__

    21 

    22 /**

    23 @file 

    24 @internalComponent

    25 @released

    26 */

    27 

    28 #include <e32base.h>

    29 #include "keyagreementimpl.h"

    30 #include "dhimpl.h"

    31 

    32 /**

    33  * Implementation of DH Key Agreement as described in PKCS#3.

    34  */

    35 namespace SoftwareCrypto

    36 	{

    37 	using namespace CryptoSpi;

    38 	

    39 	NONSHARABLE_CLASS(CDHImpl) : public CKeyAgreementImpl

    40 		{

    41 	public:

    42 		

    43 		static CDHImpl* NewL(const CKey& aPrivateKey, const CCryptoParams* aParams);

    44 		static CDHImpl* NewLC(const CKey& aPrivateKey, const CCryptoParams* aParams);

    45 

    46 		// Destructor

    47 		~CDHImpl();

    48 

    49 		// from MKeyAgreement

    50 		CKey* AgreeL(const CKey& aOtherPublicKey, const CCryptoParams* aParams);

    51 

    52 		// Override CKeyAgreementImpl virtual functions

    53 		TUid ImplementationUid() const;

    54 		

    55 		static CExtendedCharacteristics* CreateExtendedCharacteristicsL();

    56 		const CExtendedCharacteristics* GetExtendedCharacteristicsL();

    57 

    58 	private:

    59 		/**

    60 		Constructor

    61 		*/

    62 		CDHImpl();

    63 		};

    64 	}

    65 

    66 #endif // __DHIMPL_H__