/*

* Copyright (c) 2006-2010 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: 

* hash shim classes definition

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef __HASHSHIM_H__

#define __HASHSHIM_H__

#include <e32def.h>

#include <hash.h>

#include <cryptospi/cryptohashapi.h>

#include <cryptospi/keys.h>

#ifdef SYMBIAN_SDP_IPSEC_VOIP_SUPPORT

	#include <cryptospi/cryptomacapi.h>

#endif

//

// MD2 shim class

//

NONSHARABLE_CLASS(CMD2Shim) : public CMD2

	{

public:

	static CMD2Shim* NewL();

	static CMD2Shim* NewLC();

	~CMD2Shim();

	CMessageDigest* CopyL();

	TInt BlockSize();

	TInt HashSize()	;

	void Update(const TDesC8& aMessage);

	TPtrC8 Final(const TDesC8& aMessage);

	TPtrC8 Final();

	void Reset();

	TPtrC8 Hash(const TDesC8& aMessage);	

	CMessageDigest* ReplicateL();

protected:

	//virtual from CBase

	virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);

private:	

	CMD2Shim();

	void ConstructL();

private:

	CryptoSpi::CHash* iHashImpl;

	};

//

// MD5 shim class

//

NONSHARABLE_CLASS(CMD5Shim) : public CMD5

	{

public:

	static CMD5Shim* NewL();

	static CMD5Shim* NewLC();

	~CMD5Shim();

	CMessageDigest* CopyL();

	TInt BlockSize();

	TInt HashSize()	;

	void Update(const TDesC8& aMessage);

	TPtrC8 Final(const TDesC8& aMessage);

	TPtrC8 Final();

	void Reset();

	TPtrC8 Hash(const TDesC8& aMessage);

	CMessageDigest* ReplicateL();

protected:

	//virtual from CBase

	virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);

private:	

	CMD5Shim();

	void ConstructL();

private:

	CryptoSpi::CHash* iHashImpl;

	};

//

// SHA1 shim class

//

NONSHARABLE_CLASS(CSHA1Shim) : public CSHA1

	{

public:

	static CSHA1Shim* NewL();

	static CSHA1Shim* NewLC();

	~CSHA1Shim();

	CMessageDigest* CopyL();

	TInt BlockSize();

	TInt HashSize()	;

	void Update(const TDesC8& aMessage);

	TPtrC8 Final(const TDesC8& aMessage);

	TPtrC8 Final();

	void Reset();

	TPtrC8 Hash(const TDesC8& aMessage);

	CMessageDigest* ReplicateL();

protected:

	//virtual from CBase

	virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);

private:	

	CSHA1Shim();

	void ConstructL();

private:

	CryptoSpi::CHash* iHashImpl;

	};

//

// SHA2 shim class

//

NONSHARABLE_CLASS(CSHA2Shim) : public CSHA2

	{

public:

	static CSHA2Shim* NewL(TSH2Algo aAlgorithmId);

	static CSHA2Shim* NewLC(TSH2Algo aAlgorithmId);

	~CSHA2Shim();

	CMessageDigest* CopyL();

	TInt BlockSize();

	TInt HashSize()	;

	void Update(const TDesC8& aMessage);

	TPtrC8 Final(const TDesC8& aMessage);

	TPtrC8 Final();

	void Reset();

	TPtrC8 Hash(const TDesC8& aMessage);

	CMessageDigest* ReplicateL();

protected:

	//virtual from CBase

	virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);

private:	

	CSHA2Shim();

	void ConstructL(TSH2Algo aAlgorithmId);

private:

	CryptoSpi::CHash* iHashImpl;

	};

//

// HMac shim class

//

NONSHARABLE_CLASS(CHMACShim) : public CHMAC

	{

public:	

	static CHMACShim* NewL(const TDesC8& aKey, CMessageDigest* aDigest);

	static CHMACShim* NewLC(const TDesC8& aKey, CMessageDigest* aDigest);

	~CHMACShim();

	CMessageDigest* CopyL();

	TInt BlockSize();

	TInt HashSize()	;

	void Update(const TDesC8& aMessage);

	TPtrC8 Final(const TDesC8& aMessage);

	TPtrC8 Final();

	void Reset();

	TPtrC8 Hash(const TDesC8& aMessage);

	CMessageDigest* ReplicateL();

private:

#ifdef SYMBIAN_SDP_IPSEC_VOIP_SUPPORT	

	CHMACShim(CryptoSpi::CMac* aImpl, CMessageDigest* aDigest, CryptoSpi::CKey* aKey, TUid aAlgorithmUid);

#else

	CHMACShim(CryptoSpi::CHash* aImpl, CMessageDigest* aDigest);

#endif	

	CHMACShim();

	void ConstructL(const TDesC8& aKey, TUid aAlgorithmUid, CMessageDigest* aDigest);

private:

#ifdef SYMBIAN_SDP_IPSEC_VOIP_SUPPORT	

	CryptoSpi::CMac* iMacImpl;

	CryptoSpi::CKey* iKey;

	TUid iAlgorithmUid;

#else

	CryptoSpi::CHash* iMacImpl;

#endif

	};

//

// MD4 shim class

//

NONSHARABLE_CLASS(CMD4Shim) : public CMD4

	{

public:

	static CMD4Shim* NewL();

	static CMD4Shim* NewLC();

	~CMD4Shim();

	CMessageDigest* CopyL();

	TInt BlockSize();

	TInt HashSize();

	void Update(const TDesC8& aMessage);

	TPtrC8 Final(const TDesC8& aMessage);

	TPtrC8 Final();

	void Reset();

	TPtrC8 Hash(const TDesC8& aMessage);

	CMessageDigest* ReplicateL();

protected:

	//virtual from CBase

	virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);

private:	

	CMD4Shim();

	void ConstructL();

private:

	CryptoSpi::CHash* iHashImpl;

	};

#endif // __HASHSHIM_H__