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 __RSASIGNERIMPL_H__

    20 #define __RSASIGNERIMPL_H__

    21 

    22 /**

    23 @file 

    24 @internalComponent

    25 @released

    26 */

    27 

    28 #include <e32base.h>

    29 #include <e32cmn.h>

    30 #include <cryptospi/cryptospidef.h>

    31 

    32 #include "signerimpl.h"

    33 #include "../../../source/common/inlines.h"

    34 

    35 /**

    36  * Implementation of RSA signing

    37  */

    38 namespace SoftwareCrypto

    39 	{

    40 	using namespace CryptoSpi;

    41 	

    42 	NONSHARABLE_CLASS(CRSASignerImpl) : public CSignerImpl

    43 		{

    44 	public:

    45 		/**

    46 		Creates an instance of an RSA signer plug-in.

    47 		@param aKey The private key used to sign.

    48 		@param aPaddingMode The padding mode

    49 		@return A pointer to a CRSASignerImpl instance

    50 		*/

    51 		static CRSASignerImpl* NewL(TUid aImplementationUid, const CKey& aKey, TUid aPaddingMode);

    52 		

    53 		/**

    54 		Creates an instance of an RSA signer plug-in.

    55 		@param aKey The private key used to sign.

    56 		@param aPaddingMode The padding mode

    57 		@return A pointer to a CRSASignerImpl instance

    58 		*/

    59 		static CRSASignerImpl* NewLC(TUid aImplementationUid, const CKey& aKey, TUid aPaddingMode);

    60 		

    61 		// Override CSignerImpl virtual functions

    62 		TUid ImplementationUid() const;

    63 		// End of CSignerImpl

    64 		

    65 		// Override MSignatureBase virtual functions

    66 		void SetKeyL(const CKey& aPrivateKey);

    67 		void SetPaddingModeL(TUid aPaddingMode);

    68 		TInt GetMaximumInputLengthL() const;

    69 		TInt GetMaximumOutputLengthL() const;

    70 		// End of MSignatureBase

    71 		

    72 		// Override MSigner virtual functions

    73 		void SignL(const TDesC8& aInput, CCryptoParams& aSignature);

    74 		// End of MSigner

    75 		

    76 		const CExtendedCharacteristics* GetExtendedCharacteristicsL();

    77 		static CExtendedCharacteristics* CreateExtendedCharacteristicsL();

    78 		

    79 		/// Destructor

    80 		~CRSASignerImpl();

    81 

    82 	protected:

    83 		/// Constructor

    84 		CRSASignerImpl(TUid aImplementationUid, TUid aPaddingMode);

    85 

    86 		/// second phase of construction

    87 		virtual void ConstructL(const CKey& aKey);

    88 

    89 	protected:

    90 		/// the current padding scheme

    91 		TUid iPaddingMode;

    92 		CPadding* iPadding;

    93 		

    94 	private:

    95 		

    96 		TUid iImplementationUid; 

    97 		};

    98 	}

    99 

   100 #endif // __RSASIGNERIMPL_H__