os/security/cryptoplugins/cryptospiplugins/test/dummyecchwplugin/src/dummyeccimpl.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /*
     2 * Copyright (c) 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 /**
    20  @file
    21  @internalComponent
    22  @released
    23 */
    24 #ifndef	CDUMMYECCIMPL_H
    25 #define	CDUMMYECCIMPL_H
    26 
    27 #include <e32base.h>
    28 #include <e32cmn.h>
    29 #include <cryptospi/cryptospidef.h>
    30 #include "keys.h"
    31 #include "asymmetriccipherplugin.h"
    32 
    33 namespace DummyEccHwCrypto
    34 	{
    35 	using namespace CryptoSpi;
    36 	
    37 	/**
    38 	 * Implements the MAsymmetricCipher interface.
    39 	 * 
    40 	 * This should be used to create the cipher object to perform 
    41 	 * encryption / decryption using ECC.
    42 	 */
    43 	NONSHARABLE_CLASS(CDummyECCCipherImpl) : public CBase, public MAsymmetricCipher
    44 		{
    45 	public:
    46 	    static CDummyECCCipherImpl* NewL(const CKey& aKey, TUid aCryptoMode, TUid aPaddingMode);
    47 	    static CDummyECCCipherImpl* NewLC(const CKey& aKey, TUid aCryptoMode, TUid aPaddingMode);
    48 	    
    49 	    // MPlugin Interface
    50 	    void Close();
    51 	    void Reset();
    52 	    void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);
    53 	    const CExtendedCharacteristics* GetExtendedCharacteristicsL();
    54 	    TAny* GetExtension(TUid aExtensionId); 
    55 	    // End of MPlugin Interface
    56 	    
    57 	    // MAsymmetricCipherBase Interface
    58 	    void SetKeyL(const CKey& aKey);
    59 	    void SetCryptoModeL(TUid aCryptoMode);
    60 	    void SetPaddingModeL(TUid aPaddingMode);
    61 	    TInt GetMaximumInputLengthL() const;
    62 	    TInt GetMaximumOutputLengthL() const;
    63 	    // End of MAsymmetricCipherBase Interface
    64 	    
    65 		// MAsymmetricCipher Interface
    66 		void ProcessL(const TDesC8& aInput, TDes8& aOutput);
    67 		
    68 		TUid ImplementationUid() const;
    69 		// Destructor
    70 		~CDummyECCCipherImpl();
    71 
    72 	private:
    73 		CDummyECCCipherImpl(TUid aCryptoMode, TUid aPaddingMode);
    74 		void ConstructL(const CKey& aKey);
    75 		void DecryptL(const TDesC8& aInput, TDes8& aOutput);
    76 		void EncryptL(const TDesC8& aInput, TDes8& aOutput);
    77 		
    78 	private:
    79 		/* The key extracted from a CKey object. This would just have 
    80 		 * a handle to the key stored in hardware. Hence the actual key 
    81 		 * would not be available to the user of this cryptoSPI plugin.
    82 		 */
    83 	    CKey* iKey;
    84 		
    85 		/// encryption or decryption
    86 		TUid iCryptoMode;		
    87 
    88 		/* The current padding scheme. This is not being used in the 
    89 		 * reference implementation.
    90 		 */
    91 		TUid iPaddingMode;
    92 		};
    93 
    94 			
    95 	}
    96 
    97 #endif	//	CDUMMYECCIMPL_H