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 __RSAVERIFYIMPL_H__

    20 #define __RSAVERIFYIMPL_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 "verifierimpl.h"

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

    34 

    35 /**

    36  * Implementation of RSA verification

    37  */

    38 namespace SoftwareCrypto

    39 	{

    40 	using namespace CryptoSpi;

    41 	

    42 	NONSHARABLE_CLASS(CRSAVerifierImpl) : public CVerifierImpl

    43 		{

    44 	public:

    45 		/**

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

    47 		@param aKey The key

    48 		@param aPaddingMode The padding mode

    49 		@return A pointer to a CRSAVerifierImpl instance

    50 		*/

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

    52 

    53 		/**

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

    55 		@param aKey The key

    56 		@param aPaddingMode The padding mode

    57 		@return A pointer to a CRSAVerifierImpl instance

    58 		*/

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

    60 		

    61 		// Override CVerifierImpl virtual functions

    62 		TUid ImplementationUid() const;

    63 		// End of CVerifierImpl

    64 		

    65 		// Override MSignatureBase virtual functions

    66 		void SetPaddingModeL(TUid aPaddingMode);

    67 		void SetKeyL(const CKey& aPublicKey);

    68 		TInt GetMaximumInputLengthL() const;

    69 		TInt GetMaximumOutputLengthL() const;

    70 		// End of MSignatureBase

    71 

    72 		// Override MSigner virtual functions

    73 		void VerifyL(const TDesC8& aInput, const CCryptoParams& aSignature, TBool& aVerificationResult);

    74 		void InverseSignL(HBufC8*& aOutput, const CCryptoParams& aSignature);

    75 		// End of MSigner

    76 		

    77 		const CExtendedCharacteristics* GetExtendedCharacteristicsL();

    78 		static CExtendedCharacteristics* CreateExtendedCharacteristicsL();

    79 

    80 		/// Destructor

    81 		~CRSAVerifierImpl();

    82 		

    83 	protected:

    84 		/// Constructor

    85 		CRSAVerifierImpl(TUid aImplementationUid, TUid aPaddingMode);

    86 		

    87 		/// second phase of construction

    88 		virtual void ConstructL(const CKey& aKey);

    89 		

    90 	protected:

    91 		/// the current padding scheme

    92 		TUid iPaddingMode;

    93 		CPadding* iPadding;

    94 		

    95 	private:

    96 		

    97 		TUid iImplementationUid; 

    98 		};

    99 	}

   100 

   101 #endif // __RSAVERIFYIMPL_H__