/*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

* crypto characteristics

*

*/

/**

 @file

 @publishedAll

 @released

*/

#ifndef __CRYPTOCHARACTERISTICS_H__

#define __CRYPTOCHARACTERISTICS_H__

#include <e32base.h>

#include <e32hashtab.h>

#include <cryptospi/plugincharacteristics.h>

#include <cryptospi/cryptobaseapi.h>

namespace CryptoSpi

	{

	/**

	The class holds the common characteristics of an interface.

	which is used for internalization.

	*/

	NONSHARABLE_CLASS(CCharacteristics) : public CBase

		{

	public:	

		/**

		Destructor

		*/

		virtual ~CCharacteristics();

		/**

		Internalize this object from the supplied stream.

		@param	aStream Stream to read CCharacteristics from.

		*/

		virtual void InternalizeL(RReadStream& aStream);

	protected:

		/**

		 * @internalComponent

		 *

		 * Constructor

		 */

		CCharacteristics();

	public:

		/**

		Interface UID, e.g hash, symmetric cipher

		*/

		TInt32 iInterfaceUid;

		/**

		Algorithm UID, e.g MD2, 3DES 

		*/

		TInt32 iAlgorithmUid;

		/**

		Implementaion UID

		*/

		TInt32 iImplementationUid;

		/**

		Creator name

		*/	

		RBuf iCreatorName;

		/**

		whether the implementation is FIPS compliant

		*/

		TBool iIsFIPSApproved;

		/**

		whether the implementation is a hardware one

		*/

		TBool iIsHardwareSupported;

		/**

		the Maximum concurrent operation supported

		*/

		TUint iMaxConcurrencySupported;

		/**

		the Algorithm Name

		*/

		RBuf iAlgorithmName;

		/**

		The Latency

		*/

		TInt iLatency;

		/**

		the Throughput

		*/

		TInt iThroughput;

		};

	/**

	The class holds the hash characteristics.

	which is used for internalization.

	*/

	NONSHARABLE_CLASS(CHashCharacteristics) : public CCharacteristics

		{

	public:

		/**

		@internalComponent

		Create a new instance of CHashCharacteristics.

		@return the pointer of the hash characteristic

		*/

		static CHashCharacteristics* NewL();

		/**

		@internalComponent

		Create a new instance of CHashCharacteristics, 

		Leave it on the cleanup stack.

		@return the pointer of the hash characteristic

		*/			

		static CHashCharacteristics* NewLC();

		/**

		Destructor

		*/

		virtual ~CHashCharacteristics();

		/**

		Internalize this object from the supplied stream.

		@param	aStream Stream to read CHashCharacteristics from.

		*/

		virtual void InternalizeL(RReadStream& aStream);

		/**

		 * @internalComponent

		 *

		 * Determines whether an operation mode (e.g. HMAC) is supported by the plug-in 

		 * by searching through iSupportedOperationModes for the UID value corresponding

		 * to the aOperationMode parameter.

		 * @param aOperationMode	The UID of the operation mode to test

		 * @return ETrue if the operation mode is supported; otherwise, EFalse is returned.

		 */

		TBool IsOperationModeSupported(TUid aOperationMode) const;

	private:

		/**

		Constructor

		*/	

		CHashCharacteristics();

	public:

		/**

		The internal block size of the hash in bits

		*/

		TUint iBlockSize;

		/**

		the output size of the hash in bytes

		*/

		TUint iOutputSize;

		/**

		The list of supported Operation modes

		*/

		RArray<TInt32> iSupportedOperationModes;

		};

#ifdef SYMBIAN_SDP_IPSEC_VOIP_SUPPORT		

	/**

	 * The class holds MAC characteristics which is used for internalization

	 * in CryptoSpi framework.

	 */

	NONSHARABLE_CLASS(CMacCharacteristics) : public CCharacteristics

		{

	public:

		/**

		 * @internalComponent

		 * 

		 * Create a new instance of CMacCharacteristics.

		 *

		 * @return the pointer of the Mac characteristic  

		 */

		static CMacCharacteristics* NewL();

		/**

		 * @internalComponent

		 * 

		 * Create a new instance of CMacCharacteristics, Leave it on the cleanup stack.

		 * 

		 * @return the pointer of the Mac characteristic  

	     */			

		static CMacCharacteristics* NewLC();

		/**

		 * Destructor

		 */

		virtual ~CMacCharacteristics();

		/**

		 * Internalize this object from the supplied stream.

		 * 

		 * @param	aStream Stream to read CMacCharacteristics from. 

         */

		virtual void InternalizeL(RReadStream& aStream);

	private:

		/**

		 * Constructor

		 */	

		CMacCharacteristics();

	public:

		/**

		 * The Mac mode : Hash based, Cipher based etc.

		 */

		TInt32 iMacMode;

		/**

		 * Characteristics of the underlying MAC algorithm

		 */ 

		CCharacteristics* iAlgorithmChar;	

		};

#endif		

	/**

	The class holds the random characteristics.

	which is used for internalization.

	*/

	NONSHARABLE_CLASS(CRandomCharacteristics) : public CCharacteristics

		{

	public:

		/**

		@internalComponent

		Create a new instance of CRandomCharacteristics.

		@return the pointer of the random characteristic

		*/	

		static CRandomCharacteristics* NewL();

		/**

		@internalComponent

		Create a new instance of CRandomCharacteristics,

		and leave it on the cleanup stack.

		@return the pointer of the random characteristic

		*/			

		static CRandomCharacteristics* NewLC();

		/**

		Destructor

		*/

		virtual ~CRandomCharacteristics();

		/**

		Internalize this object from the supplied stream.

		@param	aStream Stream to read CRandomCharacteristics from.

		*/		

		virtual void InternalizeL(RReadStream& aStream);

	private:

		/**

		Constructor

		*/

		CRandomCharacteristics();

	public:

		/**

		The bit map of blocking non-blocking mode

		*/

		TUint iBlockingMode;

		};

	/**

	The class holds the symmetric cipher characteristics.

	which is used for internalization.

	*/

	NONSHARABLE_CLASS(CSymmetricCipherCharacteristics) : public CCharacteristics

		{

	public:

		/**

		@internalComponent

		Create a new instance of CSymmetricCipherCharacteristics.

		@return the pointer of the symmetric cipher characteristic

		*/

		static CSymmetricCipherCharacteristics* NewL();

		/**

		@internalComponent

		Create a new instance of CSymmetricCipherCharacteristics.

		Leave it on the cleanup stack.

		@return the pointer of the symmetric cipher characteristic

		*/

		static CSymmetricCipherCharacteristics* NewLC();

		/**

		Destructor

		*/

		virtual ~CSymmetricCipherCharacteristics();

		/**

		Internalize this object from the supplied stream.

		@param	aStream Stream to read CSymmetricCipherCharacteristics from.

		*/				

		virtual void InternalizeL(RReadStream& aStream);

		/**

		@internalComponent

		Determines whether a padding mode (e.g. PKCS7) is supported by the plug-in 

		by searching through iSupportedPaddingModes for the UID value corresponding

		to the aPaddingMode parameter.

		@param aPaddingMode	The UID of the padding mode to test.

		@return ETrue if the padding mode is supported; otherwise, EFalse is returned.

		*/

		TBool IsPaddingModeSupported(TUid aPaddingMode) const;

		/**

		@internalComponent

		Determines whether an operation mode (e.g. HMAC) is supported by the plug-in 

		by searching through iSupportedOperationModes for the UID value corresponding

		to the aOperationMode parameter.

		@param aOperationMode	The UID of the operation mode to test

		@return ETrue if the operation mode is supported; otherwise, EFalse is returned.

		*/

		TBool IsOperationModeSupported(TUid aOperationMode) const;

	private:

		/**

		Constructor

		*/

		CSymmetricCipherCharacteristics();

	public:

		/**

		The maximum key length in bits

		*/

		TUint iMaximumKeyLength;

		/**

		The block size of the cipher in bytes

		*/

		TUint iBlockSize;

		/**

		The list of supported padding modes

		*/

		RArray<TInt32> iSupportedPaddingModes;

		/**

		The list of supported Operation modes

		*/

		RArray<TInt32> iSupportedOperationModes;

		/**

		The supported key mode bit map. e.g. extern key, internal key or both

		*/

		TInt iKeySupportMode;		

		};

	/**

	The class holds the asymmetric cipher characteristics.

	which is used for internalization.

	*/

	NONSHARABLE_CLASS(CAsymmetricCipherCharacteristics) : public CCharacteristics

		{

	public:

		/**

		@internalComponent

		Create a new instance of CAsymmetricCipherCharacteristics.

		@return the pointer of the asymmetric cipher characteristic

		*/	

		static CAsymmetricCipherCharacteristics* NewL();

		/**

		@internalComponent

		Create a new instance of CAsymmetricCipherCharacteristics.

		Leave it on the cleanup stack.

		@return the pointer of the asymmetric cipher characteristic

		*/

		static CAsymmetricCipherCharacteristics* NewLC();

		/**

		Destructor

		*/

		virtual ~CAsymmetricCipherCharacteristics();

		/**

		Internalize this object from the supplied stream.

		@param	aStream Stream to read CAsymmetricCipherCharacteristics from.

		*/		

		virtual void InternalizeL(RReadStream& aStream);

		/**

		@internalComponent

		Determines whether a padding mode (e.g. PKCS7) is supported by the plug-in 

		by searching through iSupportedPaddingModes for the UID value corresponding

		to the aPaddingMode parameter.

		@param aPaddingMode	The UID of the padding mode to test.

		@return ETrue if the padding mode is supported; otherwise, EFalse is returned.

		*/

		TBool IsPaddingModeSupported(TUid aPaddingMode) const;

	private:

		/**

		Constructor

		*/

		CAsymmetricCipherCharacteristics();

	public:

		/**

		The maximum key length in bits

		*/

		TUint iMaximumKeyLength;

		/**

		The list of supported padding modes

		*/

		RArray<TInt32> iSupportedPaddingModes;

		/**

		The supported key mode bit map. e.g. extern key, internal key or both

		*/

		TInt iKeySupportMode;						

		};

	/**

	The class holds the signature characteristics.

	which is used for internalization.

	*/

	NONSHARABLE_CLASS(CAsymmetricSignatureCharacteristics) : public CCharacteristics

		{

	public:

		/**

		@internalComponent

		Create a new instance of CAsymmetricSignatureCharacteristics.

		@return the pointer of the asymmetric signature characteristic

		*/		

		static CAsymmetricSignatureCharacteristics* NewL();

		/**

		@internalComponent

		Create a new instance of CAsymmetricSignatureCharacteristics.

		Leave it on the cleanup stack.

		@return the pointer of the asymmetric signature characteristic

		*/				

		static CAsymmetricSignatureCharacteristics* NewLC();

		/**

		Destructor

		*/

		virtual ~CAsymmetricSignatureCharacteristics();

		/**

		Internalize this object from the supplied stream.

		@param	aStream Stream to read CAsymmetricSignatureCharacteristics from.

		*/				

		virtual void InternalizeL(RReadStream& aStream);

		/**

		@internalComponent

		Determines whether a padding mode (e.g. PKCS7) is supported by the plug-in 

		by searching through iSupportedPaddingModes for the UID value corresponding

		to the aPaddingMode parameter.

		@param aPaddingMode	The UID of the padding mode to test.

		@return ETrue if the padding mode is supported; otherwise, EFalse is returned.

		*/

		TBool IsPaddingModeSupported(TUid aPaddingMode) const;

	private:

		/**

		Constructor

		*/

		CAsymmetricSignatureCharacteristics();

	public:

		/**

		The maximum key length in bits

		*/

		TUint iMaximumKeyLength;

		/**

		The list of supported padding modes

		*/

		RArray<TInt32> iSupportedPaddingModes;