os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/rsasignerimpl.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     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 "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(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(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 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 	}
    95 
    96 #endif // __RSASIGNERIMPL_H__