/*

* Copyright (c) 2005-2009 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: 

* (c) 2003 Symbian Ltd.  All rights reserved.

*

*/

/**

 @file

*/

#include <e32std.h>

#include <hash.h>

#include "hashinc.h"

#define EXPANDLOOP

//

// 32bit endianness independent MD5 implementation

//

CMD5::CMD5(void)

: CMessageDigest(),iHash(MD5_HASH)

	{

	}

CMD5::CMD5(const CMD5& aMD)

: CMessageDigest(aMD),

  iHash(aMD.iHash),iA(aMD.iA),iB(aMD.iB),iC(aMD.iC),iD(aMD.iD),

  iNl(aMD.iNl),iNh(aMD.iNh)

	{

	(void)Mem::Copy(iData,aMD.iData,sizeof(iData));

	}

EXPORT_C CMD5* CMD5::NewL(void)

	{

	CMD5* self = new (ELeave) CMD5();

	self->Reset();

	return (self);

	}

EXPORT_C CMessageDigest* CMD5::ReplicateL(void)

	{

	CMD5* newMD5 = CMD5::NewL();

	return (newMD5);

	}

EXPORT_C CMD5::~CMD5(void)

	{

	}

EXPORT_C TPtrC8 CMD5::Hash(const TDesC8& aMessage)

	{

	TPtrC8 ptr(KNullDesC8());

	DoUpdate(aMessage.Ptr(),aMessage.Size());

	StoreState();

	DoFinal();

	ptr.Set(iHash);

	RestoreState();

	return ptr;

	}

EXPORT_C CMessageDigest* CMD5::CopyL(void)

	{

	return new(ELeave) CMD5(*this);

	}

EXPORT_C TInt CMD5::BlockSize(void)

	{

	return sizeof(iData);

	}

EXPORT_C TInt CMD5::HashSize(void)

	{

	return MD5_HASH;

	}

EXPORT_C void CMD5::Reset(void)

	{

	iA=0x67452301;

	iB=0xefcdab89;

	iC=0x98badcfe;

	iD=0x10325476;

	iNh=0;

	iNl=0;

	}

EXPORT_C void CMD5::Update(const TDesC8& aMessage)

	{

	DoUpdate(aMessage.Ptr(),aMessage.Size());

	}

EXPORT_C TPtrC8 CMD5::Final(const TDesC8& aMessage)

	{

	TPtrC8 ptr(KNullDesC8());

	DoUpdate(aMessage.Ptr(),aMessage.Size());

	DoFinal();

	ptr.Set(iHash);

	Reset();

	return ptr;

	}

EXPORT_C TPtrC8 CMD5::Final()

	{

	TPtrC8 ptr(KNullDesC8());

	DoFinal();

	ptr.Set(iHash);

	Reset();

	return ptr;

	}

void CMD5::DoUpdate(const TUint8* aData,TUint aLength)

	{

	const TUint8* pend=aData+aLength;	

	for (const TUint8* paData=aData;paData<pend;paData++) 

		{

		const TUint8 byte=*paData;

		switch (iNl&3) 

			{

			case 0:

				iData[iNl>>2]=byte;

				break;

			case 1:

				iData[iNl>>2]|=byte<<8;

				break;

			case 2:

				iData[iNl>>2]|=byte<<16;

				break;

			case 3:

				iData[iNl>>2]|=byte<<24;

				break;

			default:

				break;

			};

		if(++iNl==64) 

			{

			Block();

			iNh+=64;

			iNl=0;

			}

		}

	}

static inline TUint CMD5_F(TUint x,TUint y,TUint z)

	{

	return (x&y) | (~x&z);

	}

static inline TUint CMD5_G(TUint x,TUint y,TUint z)

	{

	return (x&z) | (y&~z);

	}

static inline TUint CMD5_H(TUint x,TUint y,TUint z)

	{

	return x^y^z;

	}

static inline TUint CMD5_I(TUint x,TUint y,TUint z)

	{

	return y^(x|~z);

	}

#ifdef NOREFS

static inline TUint CMD5_FF(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t)

	{

	a+=CMD5_F(b,c,d) + m + t; 

	a=b + CMD_R(a,s);

	return a;

	}

static inline TUint CMD5_GG(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t)

	{

	a+=CMD5_G(b,c,d) + m + t; 

	a=b + CMD_R(a,s);

	return a;

	}

static inline TUint CMD5_HH(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t)

	{

	a+=CMD5_H(b,c,d) + m + t; 

	a=b + CMD_R(a,s);

	return a;

	}

static inline TUint CMD5_II(TUint a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t)

	{

	a+=CMD5_I(b,c,d) + m + t; 

	a=b + CMD_R(a,s);

	return a;

	}

void CMD5::Block()

	{

	register TUint tempA=iA;

	register TUint tempB=iB;

	register TUint tempC=iC;

	register TUint tempD=iD;

	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478);

	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756);

	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db);

	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee);

	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf);

	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a);

	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613);

	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501);

	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8);

	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af);

	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1);

	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be);

	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122);

	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193);

	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e);

	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821);

	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562);

	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340);

	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51);

	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa);

	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d);

	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453);

	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681);

	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8);

	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6);

	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6);

	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87);

	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed);

	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905);

	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8);

	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9);

	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a);

	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942);

	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681);

	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122);

	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c);

	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44);

	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9);

	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60);

	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70);

	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6);

	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa);

	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085);

	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05);

	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039);

	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5);

	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8);

	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665);

	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244);

	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97);

	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7);

	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039);

	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3);

	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92);

	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d);

	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1);

	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f);

	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0);

	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314);

	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1);

	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82);

	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235);

	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb);

	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391);

	iA+=tempA;

	iB+=tempB;

	iC+=tempC;

	iD+=tempD;

	}

#else

#ifdef MACRO

#define CMD5_FF(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_F(b,c,d) + m + t, s))

#define CMD5_GG(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_G(b,c,d) + m + t, s))

#define CMD5_HH(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_H(b,c,d) + m + t, s))

#define CMD5_II(a, b, c, d, m, s, t) (b + CMD_R(a += CMD5_I(b,c,d) + m + t, s))

void CMD5::Block()

	{

	register TUint tempA=iA;

	register TUint tempB=iB;

	register TUint tempC=iC;

	register TUint tempD=iD;

	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478);

	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756);

	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db);

	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee);

	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf);

	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a);

	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613);

	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501);

	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8);

	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af);

	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1);

	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be);

	tempA = CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122);

	tempD = CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193);

	tempC = CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e);

	tempB = CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821);

	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562);

	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340);

	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51);

	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa);

	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d);

	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453);

	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681);

	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8);

	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6);

	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6);

	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87);

	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed);

	tempA = CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905);

	tempD = CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8);

	tempC = CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9);

	tempB = CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a);

	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942);

	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681);

	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122);

	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c);

	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44);

	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9);

	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60);

	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70);

	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6);

	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa);

	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085);

	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05);

	tempA = CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039);

	tempD = CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5);

	tempC = CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8);

	tempB = CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665);

	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244);

	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97);

	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7);

	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039);

	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3);

	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92);

	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d);

	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1);

	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f);

	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0);

	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314);

	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1);

	tempA = CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82);

	tempD = CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235);

	tempC = CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb);

	tempB = CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391);

	iA+=tempA;

	iB+=tempB;

	iC+=tempC;

	iD+=tempD;

	}

#else

static inline void CMD5_FF(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t)

	{

	a+=CMD5_F(b,c,d) + m + t; 

	a=b + CMD_R(a,s);

	}

static inline void CMD5_GG(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t)

	{

	a+=CMD5_G(b,c,d) + m + t; 

	a=b + CMD_R(a,s);

	}

static inline void CMD5_HH(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t)

	{

	a+=CMD5_H(b,c,d) + m + t; 

	a=b + CMD_R(a,s);

	}

static inline void CMD5_II(TUint& a,const TUint b,const TUint c,const TUint d,const TUint m,const TUint s,const TUint t)

	{

	a+=CMD5_I(b,c,d) + m + t; 

	a=b + CMD_R(a,s);

	}

void CMD5::Block()

	{

	register TUint tempA=iA;

	register TUint tempB=iB;

	register TUint tempC=iC;

	register TUint tempD=iD;

	CMD5_FF(tempA,tempB,tempC,tempD,iData[ 0], 7, 0xd76aa478);

	CMD5_FF(tempD,tempA,tempB,tempC,iData[ 1],12, 0xe8c7b756);

	CMD5_FF(tempC,tempD,tempA,tempB,iData[ 2],17, 0x242070db);

	CMD5_FF(tempB,tempC,tempD,tempA,iData[ 3],22, 0xc1bdceee);

	CMD5_FF(tempA,tempB,tempC,tempD,iData[ 4], 7, 0xf57c0faf);

	CMD5_FF(tempD,tempA,tempB,tempC,iData[ 5],12, 0x4787c62a);

	CMD5_FF(tempC,tempD,tempA,tempB,iData[ 6],17, 0xa8304613);

	CMD5_FF(tempB,tempC,tempD,tempA,iData[ 7],22, 0xfd469501);

	CMD5_FF(tempA,tempB,tempC,tempD,iData[ 8], 7, 0x698098d8);

	CMD5_FF(tempD,tempA,tempB,tempC,iData[ 9],12, 0x8b44f7af);

	CMD5_FF(tempC,tempD,tempA,tempB,iData[10],17, 0xffff5bb1);

	CMD5_FF(tempB,tempC,tempD,tempA,iData[11],22, 0x895cd7be);

	CMD5_FF(tempA,tempB,tempC,tempD,iData[12], 7, 0x6b901122);

	CMD5_FF(tempD,tempA,tempB,tempC,iData[13],12, 0xfd987193);

	CMD5_FF(tempC,tempD,tempA,tempB,iData[14],17, 0xa679438e);

	CMD5_FF(tempB,tempC,tempD,tempA,iData[15],22, 0x49b40821);

	CMD5_GG(tempA,tempB,tempC,tempD,iData[ 1], 5, 0xf61e2562);

	CMD5_GG(tempD,tempA,tempB,tempC,iData[ 6], 9, 0xc040b340);

	CMD5_GG(tempC,tempD,tempA,tempB,iData[11],14, 0x265e5a51);

	CMD5_GG(tempB,tempC,tempD,tempA,iData[ 0],20, 0xe9b6c7aa);

	CMD5_GG(tempA,tempB,tempC,tempD,iData[ 5], 5, 0xd62f105d);

	CMD5_GG(tempD,tempA,tempB,tempC,iData[10], 9, 0x02441453);

	CMD5_GG(tempC,tempD,tempA,tempB,iData[15],14, 0xd8a1e681);

	CMD5_GG(tempB,tempC,tempD,tempA,iData[ 4],20, 0xe7d3fbc8);

	CMD5_GG(tempA,tempB,tempC,tempD,iData[ 9], 5, 0x21e1cde6);

	CMD5_GG(tempD,tempA,tempB,tempC,iData[14], 9, 0xc33707d6);

	CMD5_GG(tempC,tempD,tempA,tempB,iData[ 3],14, 0xf4d50d87);

	CMD5_GG(tempB,tempC,tempD,tempA,iData[ 8],20, 0x455a14ed);

	CMD5_GG(tempA,tempB,tempC,tempD,iData[13], 5, 0xa9e3e905);

	CMD5_GG(tempD,tempA,tempB,tempC,iData[ 2], 9, 0xfcefa3f8);

	CMD5_GG(tempC,tempD,tempA,tempB,iData[ 7],14, 0x676f02d9);

	CMD5_GG(tempB,tempC,tempD,tempA,iData[12],20, 0x8d2a4c8a);

	CMD5_HH(tempA,tempB,tempC,tempD,iData[ 5], 4, 0xfffa3942);

	CMD5_HH(tempD,tempA,tempB,tempC,iData[ 8],11, 0x8771f681);

	CMD5_HH(tempC,tempD,tempA,tempB,iData[11],16, 0x6d9d6122);

	CMD5_HH(tempB,tempC,tempD,tempA,iData[14],23, 0xfde5380c);

	CMD5_HH(tempA,tempB,tempC,tempD,iData[ 1], 4, 0xa4beea44);

	CMD5_HH(tempD,tempA,tempB,tempC,iData[ 4],11, 0x4bdecfa9);

	CMD5_HH(tempC,tempD,tempA,tempB,iData[ 7],16, 0xf6bb4b60);

	CMD5_HH(tempB,tempC,tempD,tempA,iData[10],23, 0xbebfbc70);

	CMD5_HH(tempA,tempB,tempC,tempD,iData[13], 4, 0x289b7ec6);

	CMD5_HH(tempD,tempA,tempB,tempC,iData[ 0],11, 0xeaa127fa);

	CMD5_HH(tempC,tempD,tempA,tempB,iData[ 3],16, 0xd4ef3085);

	CMD5_HH(tempB,tempC,tempD,tempA,iData[ 6],23, 0x04881d05);

	CMD5_HH(tempA,tempB,tempC,tempD,iData[ 9], 4, 0xd9d4d039);

	CMD5_HH(tempD,tempA,tempB,tempC,iData[12],11, 0xe6db99e5);

	CMD5_HH(tempC,tempD,tempA,tempB,iData[15],16, 0x1fa27cf8);

	CMD5_HH(tempB,tempC,tempD,tempA,iData[ 2],23, 0xc4ac5665);

	CMD5_II(tempA,tempB,tempC,tempD,iData[ 0], 6, 0xf4292244);

	CMD5_II(tempD,tempA,tempB,tempC,iData[ 7],10, 0x432aff97);

	CMD5_II(tempC,tempD,tempA,tempB,iData[14],15, 0xab9423a7);

	CMD5_II(tempB,tempC,tempD,tempA,iData[ 5],21, 0xfc93a039);

	CMD5_II(tempA,tempB,tempC,tempD,iData[12], 6, 0x655b59c3);

	CMD5_II(tempD,tempA,tempB,tempC,iData[ 3],10, 0x8f0ccc92);

	CMD5_II(tempC,tempD,tempA,tempB,iData[10],15, 0xffeff47d);

	CMD5_II(tempB,tempC,tempD,tempA,iData[ 1],21, 0x85845dd1);

	CMD5_II(tempA,tempB,tempC,tempD,iData[ 8], 6, 0x6fa87e4f);

	CMD5_II(tempD,tempA,tempB,tempC,iData[15],10, 0xfe2ce6e0);

	CMD5_II(tempC,tempD,tempA,tempB,iData[ 6],15, 0xa3014314);

	CMD5_II(tempB,tempC,tempD,tempA,iData[13],21, 0x4e0811a1);

	CMD5_II(tempA,tempB,tempC,tempD,iData[ 4], 6, 0xf7537e82);

	CMD5_II(tempD,tempA,tempB,tempC,iData[11],10, 0xbd3af235);

	CMD5_II(tempC,tempD,tempA,tempB,iData[ 2],15, 0x2ad7d2bb);

	CMD5_II(tempB,tempC,tempD,tempA,iData[ 9],21, 0xeb86d391);

	iA+=tempA;

	iB+=tempB;

	iC+=tempC;

	iD+=tempD;

	}

#endif

#endif

void CMD5::DoFinal(void)

	{

	iNh += iNl;

	const TUint ul128=128;

	switch (iNl&3) 

		{

		case 0:

			iData[iNl>>2] = ul128;

			break;

		case 1:

			iData[iNl>>2] += ul128<<8;

			break;

		case 2:

			iData[iNl>>2] += ul128<<16;

			break;

		case 3:

			iData[iNl>>2] += ul128<<24;

			break;

		default:

			break;

		};

	if (iNl>=56) 

		{

		if (iNl<60)

			iData[15]=0;		

		Block();

		Mem::FillZ(iData,14*sizeof(TUint));

		} 

	else

		{

		const TUint offset=(iNl+4)>>2;

		Mem::FillZ(iData+offset,(14-offset)*sizeof(TUint));

		}

	iData[14]=iNh<<3;//number in bits

	// this will fail if the total input length is longer than 2^32 in bits

	//(2^31 in bytes) which is roughly half a gig.

	iData[15]=0;

	Block();

	//

	// Generate hash value into iHash

	//

	TUint tmp=iA;

	iHash[0]=(TUint8)(tmp & 255);

	iHash[1]=(TUint8)((tmp >>= 8) & 255);

	iHash[2]=(TUint8)((tmp >>= 8) & 255);

	iHash[3]=(TUint8)((tmp >>= 8) & 255);

	tmp=iB;

	iHash[4]=(TUint8)(tmp & 255);

	iHash[5]=(TUint8)((tmp >>= 8) & 255);

	iHash[6]=(TUint8)((tmp >>= 8) & 255);

	iHash[7]=(TUint8)((tmp >>= 8) & 255);

	tmp=iC;

	iHash[8]=(TUint8)(tmp & 255);

	iHash[9]=(TUint8)((tmp >>= 8) & 255);

	iHash[10]=(TUint8)((tmp >>= 8) & 255);

	iHash[11]=(TUint8)((tmp >>= 8) & 255);

	tmp=iD;

	iHash[12]=(TUint8)(tmp & 255);

	iHash[13]=(TUint8)((tmp >>= 8) & 255);

	iHash[14]=(TUint8)((tmp >>= 8) & 255);

	iHash[15]=(TUint8)((tmp >>= 8) & 255);

	}

void CMD5::RestoreState()

{

	iA = iACopy;

	iB = iBCopy;