--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcrypto/source/hash/md4.cpp	Fri Jun 11 15:32:35 2010 +0300
@@ -0,0 +1,495 @@
+/*
+* 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: 
+*
+*/
+
+
+/**
+ @file
+*/
+
+#include <e32std.h>
+#include <hash.h>
+#include "hashinc.h"
+#define EXPANDLOOP
+
+
+CMD4::CMD4(void)
+: CMessageDigest(),iHash(MD4_HASH)
+	{
+	}
+
+CMD4::CMD4(const CMD4& 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 CMD4* CMD4::NewL(void)
+	{
+	CMD4* self = new (ELeave) CMD4();
+	self->Reset();
+	return (self);
+	}
+	
+EXPORT_C CMessageDigest* CMD4::ReplicateL(void)
+	{
+	 return CMD4::NewL();
+	}
+	
+EXPORT_C CMD4::~CMD4(void)
+	{
+	}
+
+EXPORT_C TPtrC8 CMD4::Hash(const TDesC8& aMessage)
+	{
+	//Adds the aMessage to the internal representation of data to be hashed i.e iData
+	DoUpdate(aMessage.Ptr(),aMessage.Size());
+	StoreState();
+	//Does the padding and does the block operation on the final 512 bit block.
+	DoFinal();
+	RestoreState();
+	return iHash;
+	}
+
+EXPORT_C CMessageDigest* CMD4::CopyL(void)
+	{
+	return new(ELeave) CMD4(*this);
+	}
+	
+EXPORT_C TInt CMD4::BlockSize(void)
+	{
+	return sizeof(iData);
+	}
+	
+EXPORT_C TInt CMD4::HashSize(void)
+	{
+	return MD4_HASH;
+	}
+	
+EXPORT_C void CMD4::Reset(void)
+	{
+	iA=0x67452301;
+	iB=0xefcdab89;
+	iC=0x98badcfe;
+	iD=0x10325476;
+	iNh=0;
+	iNl=0;
+	}
+
+EXPORT_C void CMD4::Update(const TDesC8& aMessage)
+	{
+	DoUpdate(aMessage.Ptr(),aMessage.Size());
+	}
+	
+EXPORT_C TPtrC8 CMD4::Final(const TDesC8& aMessage)
+	{
+	//Adds the aMessage to the internal representation of data to be hashed i.e iData
+	DoUpdate(aMessage.Ptr(),aMessage.Size());
+	//Does the padding and does the block operation on the final 512 bit block.
+	DoFinal();
+	//Resets the values of iA, iB, iC and iD, iNh, iNl
+	Reset();
+	return iHash;
+	}
+
+EXPORT_C TPtrC8 CMD4::Final()
+	{
+	//Does the padding and does the block operation on the final 512 bit block.
+	DoFinal();
+	//Resets the values of iA, iB, iC and iD, iNh, iNl
+	Reset();
+	return iHash;
+	}
+
+void CMD4::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 CMD4_F(TUint x,TUint y,TUint z)
+	{
+	return ((x)&(y)) | ((~x)&(z));
+	}
+	
+static inline TUint CMD4_G(TUint x,TUint y,TUint z)
+	{
+	return ((x)&(y)) | ((x)&(z)) | ((y)&(z));
+	}
+	
+static inline TUint CMD4_H(TUint x,TUint y,TUint z)
+	{
+	return (x)^(y)^(z);
+	}
+
+	
+#ifdef NOREFS
+static inline TUint CMD4_FF(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
+	{
+	a+=CMD4_F(b,c,d) + x; 
+	a=CMD_R(a,s);
+	return a;
+	}
+	
+static inline TUint CMD4_GG(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
+	{
+	a+=CMD4_G(b,c,d) + x + (TUint32)0x5a827999; 
+	a=CMD_R(a,s);
+	return a;
+	}
+	
+static inline TUint CMD4_HH(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
+	{
+	a+=CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1; 
+	a=CMD_R(a,s);
+	return a;
+	}
+	
+void CMD4::Block()
+	{
+	register TUint tempA=iA;
+	register TUint tempB=iB;
+	register TUint tempC=iC;
+	register TUint tempD=iD;
+
+	tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3);
+	tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7);
+	tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11);
+	tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19);
+	tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3);
+	tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7);
+	tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11);
+	tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19);
+	tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3);
+	tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7);
+	tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11);
+	tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19);
+	tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3);
+	tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7);
+	tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11);
+	tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19);
+
+	tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3);
+	tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5);
+	tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9);
+	tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13);
+	tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3);
+	tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5);
+	tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9);
+	tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13);
+	tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3);
+	tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5);
+	tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9);
+	tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13);
+	tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3);
+	tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5);
+	tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9);
+	tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13);
+
+	tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3);
+	tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9);
+	tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11);
+	tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15);
+	tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3);
+	tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9);
+	tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11);
+	tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15);
+	tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3);
+	tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9);
+	tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11);
+	tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15);
+	tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3);
+	tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9);
+	tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11);
+	tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15);
+
+	iA+=tempA;
+	iB+=tempB;
+	iC+=tempC;
+	iD+=tempD;
+	}
+
+#else
+#ifdef MACRO
+#define CMD4_FF(a, b, c, d, x, s) (CMD_R(a += CMD4_F(b,c,d) + x, s))
+#define CMD4_GG(a, b, c, d, x, s) (CMD_R(a += CMD4_G(b,c,d) + x + (TUint32)0x5a827999, s))
+#define CMD4_HH(a, b, c, d, x, s) (CMD_R(a += CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1, s))
+void CMD4::Block()
+	{
+	register TUint tempA=iA;
+	register TUint tempB=iB;
+	register TUint tempC=iC;
+	register TUint tempD=iD;
+	
+	tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3);
+	tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7);
+	tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11);
+	tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19);
+	tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3);
+	tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7);
+	tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11);
+	tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19);
+	tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3);
+	tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7);
+	tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11);
+	tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19);
+	tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3);
+	tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7);
+	tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11);
+	tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19);
+
+	tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3);
+	tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5);
+	tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9);
+	tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13);
+	tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3);
+	tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5);
+	tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9);
+	tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13);
+	tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3);
+	tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5);
+	tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9);
+	tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13);
+	tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3);
+	tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5);
+	tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9);
+	tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13);
+
+	tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3);
+	tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9);
+	tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11);
+	tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15);
+	tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3);
+	tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9);
+	tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11);
+	tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15);
+	tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3);
+	tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9);
+	tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11);
+	tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15);
+	tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3);
+	tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9);
+	tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11);
+	tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15);
+
+	iA+=tempA;
+	iB+=tempB;
+	iC+=tempC;
+	iD+=tempD;
+	}
+	
+#else
+static inline void CMD4_FF(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
+	{
+	a+=CMD4_F(b,c,d) + x; 
+	a=CMD_R(a,s);
+	}
+	
+static inline void CMD4_GG(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
+	{
+	a+=CMD4_G(b,c,d) + x + (TUint32)0x5a827999; 
+	a=CMD_R(a,s);
+	}
+	
+static inline void CMD4_HH(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
+	{
+	a+=CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1; 
+	a=CMD_R(a,s);
+	}
+
+void CMD4::Block()
+	{
+	register TUint tempA=iA;
+	register TUint tempB=iB;
+	register TUint tempC=iC;
+	register TUint tempD=iD;
+
+	CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3);
+	CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7);
+	CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11);
+	CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19);
+	CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3);
+	CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7);
+	CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11);
+	CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19);
+	CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3);
+	CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7);
+	CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11);
+	CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19);
+	CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3);
+	CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7);
+	CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11);
+	CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19);
+
+	CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3);
+	CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5);
+	CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9);
+	CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13);
+	CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3);
+	CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5);
+	CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9);
+	CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13);
+	CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3);
+	CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5);
+	CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9);
+	CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13);
+	CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3);
+	CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5);
+	CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9);
+	CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13);
+
+	CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3);
+	CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9);
+	CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11);
+	CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15);
+	CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3);
+	CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9);
+	CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11);
+	CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15);
+	CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3);
+	CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9);
+	CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11);
+	CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15);
+	CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3);
+	CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9);
+	CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11);
+	CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15);
+	
+	iA+=tempA;
+	iB+=tempB;
+	iC+=tempC;
+	iD+=tempD;
+	}
+#endif
+#endif
+
+void CMD4::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 CMD4::RestoreState()
+{
+	iA = iACopy;
+	iB = iBCopy;
+	iC = iCCopy;
+	iD = iDCopy;
+	iNl = iNlCopy;
+	iNh = iNhCopy;	
+	Mem::Copy(&iData[0], &iDataCopy[0], MD4_LBLOCK*sizeof(TUint)); 
+}
+
+void CMD4::StoreState()
+{
+	iACopy = iA;
+	iBCopy = iB;
+	iCCopy = iC;
+	iDCopy = iD;
+	iNlCopy = iNl;
+	iNhCopy = iNh;	
+	Mem::Copy(&iDataCopy[0], &iData[0], MD4_LBLOCK*sizeof(TUint));
+}