1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/rsaimpl.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,96 @@
     1.4 +/*
     1.5 +* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +
    1.22 +#ifndef __RSAIMPL_H__
    1.23 +#define __RSAIMPL_H__
    1.24 +
    1.25 +/**
    1.26 +@file 
    1.27 +@internalComponent
    1.28 +@released
    1.29 +*/
    1.30 +
    1.31 +#include <e32base.h>
    1.32 +#include <e32cmn.h>
    1.33 +#include "keys.h"
    1.34 +#include "asymmetriccipherimpl.h"
    1.35 +
    1.36 +/**
    1.37 + * Implementation of RSA encryption as described in PKCS#1 v1.5.
    1.38 + */
    1.39 +namespace SoftwareCrypto
    1.40 +	{
    1.41 +	using namespace CryptoSpi;
    1.42 +	
    1.43 +	NONSHARABLE_CLASS(CRSAImpl) : public CAsymmetricCipherImpl
    1.44 +		{
    1.45 +	public:
    1.46 +		/**
    1.47 +		Creates an instance of an RSA asymmetric cipher plug-in.
    1.48 +		@param aKey The key
    1.49 +		@param aCryptoMode Whether to encrypt or decrypt
    1.50 +		@param aPadding The padding scheme to use None, SSLv3, PKCS#7
    1.51 +		@return A pointer to a CRSAImpl instance
    1.52 +		*/
    1.53 +		static CRSAImpl* NewL(const CKey& aKey,
    1.54 +			TUid aCryptoMode, TUid aPadding);
    1.55 +
    1.56 +		/**
    1.57 +		Creates an instance of an RSA asymmetric cipher plug-in.
    1.58 +		A pointer to the plug-in instance is placed on the cleanup stack.
    1.59 +		@param aKey The key
    1.60 +		@param aCryptoMode Whether to encrypt or decrypt
    1.61 +		@param aPadding The padding scheme to use None, SSLv3, PKCS#7
    1.62 +		@return A pointer to a CRSAImpl instance
    1.63 +		*/
    1.64 +		static CRSAImpl* NewLC(const CKey& aKey,
    1.65 +			TUid aCryptoMode, TUid aPadding);
    1.66 +
    1.67 +		// Override CAsymmetricCipherImpl virtual functions
    1.68 +		TUid ImplementationUid() const;
    1.69 +		TBool IsValidKeyLengthL(TInt aKeyBytes) const;
    1.70 +		TInt GetMaximumInputLengthL() const;
    1.71 +		TInt GetMaximumOutputLengthL() const;
    1.72 +		void ProcessL(const TDesC8& aInput, TDes8& aOutput);
    1.73 +		// End of CAsymmetricCipherImpl
    1.74 +		
    1.75 +		const CExtendedCharacteristics* GetExtendedCharacteristicsL();
    1.76 +		static CExtendedCharacteristics* CreateExtendedCharacteristicsL();
    1.77 +			
    1.78 +		// Destructor
    1.79 +		~CRSAImpl();
    1.80 +
    1.81 +	private:
    1.82 +		/**
    1.83 +		Constructor
    1.84 +		@param aCryptoMode Whether to encrypt or decrypt
    1.85 +		@param aPaddingMode The padding mode to use. None, SSL, PKCS#7
    1.86 +		*/
    1.87 +		CRSAImpl(TUid aCryptoMode, TUid aPaddingMode);
    1.88 +			
    1.89 +		/// second phase of construction
    1.90 +		void ConstructL(const CKey& aKey);
    1.91 +		
    1.92 +		/// for internal usage, called from ProcessL
    1.93 +		void EncryptL(const TDesC8& aInput, TDes8& aOutput) const;
    1.94 +		void DecryptL(const TDesC8& aInput, TDes8& aOutput) const;
    1.95 +
    1.96 +		};
    1.97 +	}
    1.98 +
    1.99 +#endif // __RSAIMPL_H__