userlibandfileserver/fileserver/sfile/sf_hash.cpp
changeset 0 a41df078684a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fileserver/sfile/sf_hash.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,612 @@
+// Copyright (c) 1995-2009 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:
+// f32\sfile\sf_hash.cpp
+// 
+//
+
+#include "sf_std.h"
+#define EXPANDLOOP
+
+
+static inline TUint CMD_R(TUint a,TUint s)
+	{
+	return (a<<s) | (a>>(32-s));
+	}
+
+CSHA1::CSHA1(void)
+: iHash(SHA1_HASH)
+	{
+	}
+
+CSHA1* CSHA1::NewL(void)
+	{
+	CSHA1* self=new(ELeave) CSHA1;
+	self->Reset();
+	return self;
+	}
+
+void CSHA1::Update(const TDesC8& aMessage)
+	{
+	DoUpdate(aMessage.Ptr(),aMessage.Size());
+	}
+
+TPtrC8 CSHA1::Final()
+	{
+	TPtrC8 ptr(KNullDesC8());
+	DoFinal();
+	ptr.Set(iHash);
+	Reset();
+	return ptr;
+	}
+
+CSHA1::~CSHA1(void)
+	{
+	}
+
+void CSHA1::Reset(void)
+	{
+	iA=0x67452301;
+	iB=0xefcdab89;
+	iC=0x98badcfe;
+	iD=0x10325476;
+	iE=0xc3d2e1f0;
+	iNh=0;
+	iNl=0;
+	}
+
+// This assumes a big-endian architecture
+void CSHA1::DoUpdate(const TUint8* aData,TUint aLength)
+	{
+	while((aLength / 4) > 0 && (iNl % 4 == 0))
+		{
+		iData[iNl>>2] = aData[0] << 24 | aData[1] << 16 | aData[2] << 8 | aData[3];
+		iNl+=4;
+		aData+=4;
+		aLength-=4;
+		if(iNl==64) 
+			{
+			Block();
+			iNh+=64;
+			iNl=0;
+			}
+		}
+
+	while(aLength--)
+		{
+		switch (iNl&3) 
+			{
+			case 0:
+				iData[iNl>>2]=((TUint)(*aData))<<24;
+				break;
+			case 1:
+				iData[iNl>>2]|=((TUint)(*aData))<<16;
+				break;
+			case 2:
+				iData[iNl>>2]|=((TUint)(*aData))<<8;
+				break;
+			case 3:
+				iData[iNl>>2]|=((TUint)(*aData));
+				break;
+			default:
+				break;
+			};
+			aData++;
+			iNl++;
+			if(iNl==64) 
+				{
+				Block();
+				iNh+=64;
+				iNl=0;
+				}
+		}
+	}
+
+static inline TUint CSHA1_F(const TUint x,const TUint y,const TUint z)
+	{
+	return (x&y) | (~x&z);
+	}
+
+static inline TUint CSHA1_G(const TUint x,const TUint y,const TUint z)
+	{
+	return x^y^z;
+	}
+
+static inline TUint CSHA1_H(const TUint x,const TUint y,const TUint z)
+	{
+	return (x&y) | (x&z) | (y&z);
+	}
+
+/*static inline TUint CSHA1_I(const TUint x,const TUint y,const TUint z)
+	{
+	return x^y^z;
+	}*/
+
+#ifdef EXPANDLOOP
+
+#ifdef MACRO
+
+#define CSHA1_16(x,y,z,u,t,v,w)					v=CMD_R(x,5)+CSHA1_F(y,z,u)+t+w+0x5a827999;\
+												y=CMD_R(y,30);t=v;
+#define CSHA1_20(x,y,z,u,t,v,w0,w3,w8,w14,w16)  v=w3^w8^w14^w16;w0=CMD_R(v,1);\
+												CSHA1_16(x,y,z,u,t,v,w0);
+#define CSHA1_40(x,y,z,u,t,v,w0,w3,w8,w14,w16)	v=w3^w8^w14^w16;w0=CMD_R(v,1);\
+												v=CMD_R(x,5)+CSHA1_G(y,z,u)+t+w0+0x6ed9eba1;\
+												y=CMD_R(y,30);t=v;
+#define CSHA1_60(x,y,z,u,t,v,w0,w3,w8,w14,w16)	v=w3^w8^w14^w16;w0=CMD_R(v,1);\
+												v=CMD_R(x,5)+CSHA1_H(y,z,u)+t+w0+0x8f1bbcdc;\
+												y=CMD_R(y,30);t=v;
+#define CSHA1_80(x,y,z,u,t,v,w0,w3,w8,w14,w16)	v=w3^w8^w14^w16;w0=CMD_R(v,1);\
+												v=CMD_R(x,5)+CSHA1_G(y,z,u)+t+w0+0xca62c1d6;\
+												y=CMD_R(y,30);t=v;
+#else
+
+static inline void CSHA1_16(const TUint x, TUint& y, const TUint z,
+							const TUint u, TUint& t, TUint& v, const TUint w)
+	{
+	v = CMD_R(x,5) + CSHA1_F(y,z,u) + t + w + 0x5a827999;
+	y = CMD_R(y,30);
+	t = v;
+	}
+
+static inline void CSHA1_20(const TUint x,TUint& y,const TUint z,
+							const TUint u,TUint& t,TUint& v,
+							TUint& w0,const TUint w3,const TUint w8,
+							const TUint w14,const TUint w16)
+	{
+	v = w3 ^ w8 ^ w14 ^ w16;
+	w0 = CMD_R(v,1);
+	CSHA1_16(x,y,z,u,t,v,w0);
+	}
+
+static inline void CSHA1_40(const TUint x,TUint& y,const TUint z,
+							const TUint u,TUint& t,TUint& v,
+							TUint& w0,const TUint w3,const TUint w8,
+							const TUint w14,const TUint w16)
+	{
+	v = w3 ^ w8 ^ w14 ^ w16;
+	w0 = CMD_R(v,1);
+	v = CMD_R(x,5) + CSHA1_G(y,z,u) + t + w0 + 0x6ed9eba1;
+	y = CMD_R(y,30);
+	t = v;
+	}
+
+static inline void CSHA1_60(const TUint x,TUint& y,const TUint z,
+							const TUint u,TUint& t,TUint& v,
+							TUint& w0,const TUint w3,const TUint w8,
+							const TUint w14,const TUint w16)
+	{
+	v = w3 ^ w8 ^ w14 ^ w16;
+	w0 = CMD_R(v,1);
+	v = CMD_R(x,5) + CSHA1_H(y,z,u) + t + w0 + 0x8f1bbcdc;
+	y = CMD_R(y,30);
+	t = v;
+	}
+
+static inline void CSHA1_80(const TUint x,TUint& y,const TUint z,
+							const TUint u,TUint& t,TUint& v,
+							TUint& w0,const TUint w3,const TUint w8,
+							const TUint w14,const TUint w16)
+	{
+	v = w3 ^ w8 ^ w14 ^ w16;
+	w0 = CMD_R(v,1);
+	v = CMD_R(x,5) + CSHA1_G(y,z,u) + t + w0 + 0xca62c1d6;
+	y = CMD_R(y,30);
+	t = v;
+	}
+
+#endif // MACRO
+#endif // EXPANDLOOP
+
+#ifdef WEIDAI
+
+template <class T> inline T rotlFixed(T x, unsigned int y)
+{
+	ASSERT(y < sizeof(T)*8);
+	return (x<<y) | (x>>(sizeof(T)*8-y));
+}
+
+template<> inline TUint32 rotlFixed<TUint32>(TUint32 x, unsigned int y)
+{
+	ASSERT(y < 32);
+	return y ? CMD_R(x, y) : x;
+}
+
+#define blk0(i) (W[i] = iData[i])
+#define blk1(i) (W[i&15] = rotlFixed(W[(i+13)&15]^W[(i+8)&15]^W[(i+2)&15]^W[i&15],1))
+
+#define f1(x,y,z) (z^(x&(y^z)))
+#define f2(x,y,z) (x^y^z)
+#define f3(x,y,z) ((x&y)|(z&(x|y)))
+#define f4(x,y,z) (x^y^z)
+
+/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
+#define R0(v,w,x,y,z,i) z+=f1(w,x,y)+blk0(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30);
+#define R1(v,w,x,y,z,i) z+=f1(w,x,y)+blk1(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30);
+#define R2(v,w,x,y,z,i) z+=f2(w,x,y)+blk1(i)+0x6ED9EBA1+rotlFixed(v,5);w=rotlFixed(w,30);
+#define R3(v,w,x,y,z,i) z+=f3(w,x,y)+blk1(i)+0x8F1BBCDC+rotlFixed(v,5);w=rotlFixed(w,30);
+#define R4(v,w,x,y,z,i) z+=f4(w,x,y)+blk1(i)+0xCA62C1D6+rotlFixed(v,5);w=rotlFixed(w,30);
+
+#endif // WEIDAI
+
+void CSHA1::Block()
+	{
+#ifdef WEIDAI
+	TUint32 W[16];
+    /* Copy context->state[] to working vars */
+    TUint32 a = iA;
+    TUint32 b = iB;
+    TUint32 c = iC;
+    TUint32 d = iD;
+    TUint32 e = iE;
+    
+	/* 4 rounds of 20 operations each. Loop unrolled. */
+    
+	R0(a,b,c,d,e, 0); 
+	R0(e,a,b,c,d, 1); 
+	R0(d,e,a,b,c, 2); 
+	R0(c,d,e,a,b, 3);
+    R0(b,c,d,e,a, 4); 
+	R0(a,b,c,d,e, 5); 
+	R0(e,a,b,c,d, 6); 
+	R0(d,e,a,b,c, 7);
+    R0(c,d,e,a,b, 8); 
+	R0(b,c,d,e,a, 9); 
+	R0(a,b,c,d,e,10); 
+	R0(e,a,b,c,d,11);
+    R0(d,e,a,b,c,12); 
+	R0(c,d,e,a,b,13); 
+	R0(b,c,d,e,a,14); 
+	R0(a,b,c,d,e,15);
+
+    R1(e,a,b,c,d,16); 
+	R1(d,e,a,b,c,17); 
+	R1(c,d,e,a,b,18); 
+	R1(b,c,d,e,a,19);
+
+    R2(a,b,c,d,e,20); 
+	R2(e,a,b,c,d,21); 
+	R2(d,e,a,b,c,22); 
+	R2(c,d,e,a,b,23);
+    R2(b,c,d,e,a,24); 
+	R2(a,b,c,d,e,25); 
+	R2(e,a,b,c,d,26); 
+	R2(d,e,a,b,c,27);
+    R2(c,d,e,a,b,28); 
+	R2(b,c,d,e,a,29); 
+	R2(a,b,c,d,e,30); 
+	R2(e,a,b,c,d,31);
+    R2(d,e,a,b,c,32); 
+	R2(c,d,e,a,b,33); 
+	R2(b,c,d,e,a,34); 
+	R2(a,b,c,d,e,35);
+    R2(e,a,b,c,d,36); 
+	R2(d,e,a,b,c,37); 
+	R2(c,d,e,a,b,38); 
+	R2(b,c,d,e,a,39);
+
+    R3(a,b,c,d,e,40); 
+	R3(e,a,b,c,d,41); 
+	R3(d,e,a,b,c,42); 
+	R3(c,d,e,a,b,43);
+    R3(b,c,d,e,a,44); 
+	R3(a,b,c,d,e,45); 
+	R3(e,a,b,c,d,46); 
+	R3(d,e,a,b,c,47);
+    R3(c,d,e,a,b,48); 
+	R3(b,c,d,e,a,49); 
+	R3(a,b,c,d,e,50); 
+	R3(e,a,b,c,d,51);
+    R3(d,e,a,b,c,52); 
+	R3(c,d,e,a,b,53); 
+	R3(b,c,d,e,a,54); 
+	R3(a,b,c,d,e,55);
+    R3(e,a,b,c,d,56); 
+	R3(d,e,a,b,c,57); 
+	R3(c,d,e,a,b,58); 
+	R3(b,c,d,e,a,59);
+
+    R4(a,b,c,d,e,60); 
+	R4(e,a,b,c,d,61); 
+	R4(d,e,a,b,c,62); 
+	R4(c,d,e,a,b,63);
+    R4(b,c,d,e,a,64); 
+	R4(a,b,c,d,e,65); 
+	R4(e,a,b,c,d,66); 
+	R4(d,e,a,b,c,67);
+    R4(c,d,e,a,b,68); 
+	R4(b,c,d,e,a,69); 
+	R4(a,b,c,d,e,70); 
+	R4(e,a,b,c,d,71);
+    R4(d,e,a,b,c,72); 
+	R4(c,d,e,a,b,73); 
+	R4(b,c,d,e,a,74); 
+	R4(a,b,c,d,e,75);
+    R4(e,a,b,c,d,76); 
+	R4(d,e,a,b,c,77); 
+	R4(c,d,e,a,b,78); 
+	R4(b,c,d,e,a,79);
+    
+	/* Add the working vars back into context.state[] */
+    iA += a;
+    iB += b;
+    iC += c;
+    iD += d;
+    iE += e;
+    /* Wipe variables */
+    a = b = c = d = e = 0;
+	Mem::FillZ(W, sizeof(W));
+#else
+	TUint tempA=iA;
+	TUint tempB=iB;
+	TUint tempC=iC;
+	TUint tempD=iD;
+	TUint tempE=iE;
+	TUint temp=0;
+
+#ifdef EXPANDLOOP
+	CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[0]);
+	CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[1]);
+	CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[2]);
+	CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[3]);
+	CSHA1_16(tempC,tempD,tempE,temp,tempA,tempB,iData[4]);
+	CSHA1_16(tempB,tempC,tempD,tempE,temp,tempA,iData[5]);
+	CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[6]);
+	CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[7]);
+	CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[8]);
+	CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[9]);
+	CSHA1_16(tempC,tempD,tempE,temp,tempA,tempB,iData[10]);
+	CSHA1_16(tempB,tempC,tempD,tempE,temp,tempA,iData[11]);
+	CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[12]);
+	CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[13]);
+	CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[14]);
+	CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[15]);
+	/*
+	i = 16;
+	TUint temp1 = tempA;
+	tempA = 
+	*/
+#else
+    TUint i=0;
+	while (i<16) 
+		{
+		temp = CMD_R(tempA,5) + CSHA1_F(tempB,tempC,tempD) + tempE + iData[i++] + 0x5a827999;
+		tempE = tempD;
+		tempD = tempC;
+		tempC = CMD_R(tempB,30);
+		tempB = tempA;
+		tempA = temp;
+		}
+#endif
+
+#ifdef EXPANDLOOP
+	CSHA1_20(tempC,tempD,tempE,temp,tempA,tempB,iData[16],iData[13],iData[8],iData[2],iData[0]);
+	CSHA1_20(tempB,tempC,tempD,tempE,temp,tempA,iData[17],iData[14],iData[9],iData[3],iData[1]);
+	CSHA1_20(tempA,tempB,tempC,tempD,tempE,temp,iData[18],iData[15],iData[10],iData[4],iData[2]);
+	CSHA1_20(temp,tempA,tempB,tempC,tempD,tempE,iData[19],iData[16],iData[11],iData[5],iData[3]);
+	//i = 20;
+#else
+	while (i<20) 
+		{
+		temp=iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];
+		iData[i]=CMD_R(temp,1);
+		temp = CMD_R(tempA,5) + CSHA1_F(tempB,tempC,tempD) + tempE + iData[i++] + 0x5a827999; 
+		tempE = tempD;
+		tempD = tempC; 
+		tempC = CMD_R(tempB,30); 
+		tempB = tempA; 
+		tempA = temp;
+		}
+#endif
+
+#ifdef EXPANDLOOP
+	CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[20],iData[17],iData[12],iData[6],iData[4]);
+	CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[21],iData[18],iData[13],iData[7],iData[5]);
+	CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[22],iData[19],iData[14],iData[8],iData[6]);
+	CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[23],iData[20],iData[15],iData[9],iData[7]);
+	CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[24],iData[21],iData[16],iData[10],iData[8]);
+	CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[25],iData[22],iData[17],iData[11],iData[9]);
+	CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[26],iData[23],iData[18],iData[12],iData[10]);
+	CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[27],iData[24],iData[19],iData[13],iData[11]);
+	CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[28],iData[25],iData[20],iData[14],iData[12]);
+	CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[29],iData[26],iData[21],iData[15],iData[13]);
+	CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[30],iData[27],iData[22],iData[16],iData[14]);
+	CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[31],iData[28],iData[23],iData[17],iData[15]);
+	CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[32],iData[29],iData[24],iData[18],iData[16]);
+	CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[33],iData[30],iData[25],iData[19],iData[17]);
+	CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[34],iData[31],iData[26],iData[20],iData[18]);
+	CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[35],iData[32],iData[27],iData[21],iData[19]);
+	CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[36],iData[33],iData[28],iData[22],iData[20]);
+	CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[37],iData[34],iData[29],iData[23],iData[21]);
+	CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[38],iData[35],iData[30],iData[24],iData[22]);
+	CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[39],iData[36],iData[31],iData[25],iData[23]);
+	//i = 40;
+#else
+	while (i<40) 
+		{
+		temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];
+		iData[i] = CMD_R(temp,1);
+
+		temp = CMD_R(tempA,5) + CSHA1_G(tempB,tempC,tempD) + tempE + iData[i++] + 0x6ed9eba1; 
+		tempE = tempD; 
+		tempD = tempC; 
+		tempC = CMD_R(tempB,30); 
+		tempB = tempA; 
+		tempA = temp;
+		}
+#endif
+
+#ifdef EXPANDLOOP
+	CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[40],iData[37],iData[32],iData[26],iData[24]);
+	CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[41],iData[38],iData[33],iData[27],iData[25]);
+	CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[42],iData[39],iData[34],iData[28],iData[26]);
+	CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[43],iData[40],iData[35],iData[29],iData[27]);
+	CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[44],iData[41],iData[36],iData[30],iData[28]);
+	CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[45],iData[42],iData[37],iData[31],iData[29]);
+	CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[46],iData[43],iData[38],iData[32],iData[30]);
+	CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[47],iData[44],iData[39],iData[33],iData[31]);
+	CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[48],iData[45],iData[40],iData[34],iData[32]);
+	CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[49],iData[46],iData[41],iData[35],iData[33]);
+	CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[50],iData[47],iData[42],iData[36],iData[34]);
+	CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[51],iData[48],iData[43],iData[37],iData[35]);
+	CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[52],iData[49],iData[44],iData[38],iData[36]);
+	CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[53],iData[50],iData[45],iData[39],iData[37]);
+	CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[54],iData[51],iData[46],iData[40],iData[38]);
+	CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[55],iData[52],iData[47],iData[41],iData[39]);
+	CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[56],iData[53],iData[48],iData[42],iData[40]);
+	CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[57],iData[54],iData[49],iData[43],iData[41]);
+	CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[58],iData[55],iData[50],iData[44],iData[42]);
+	CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[59],iData[56],iData[51],iData[45],iData[43]);
+	//i = 60;
+#else
+	while (i<60) 
+		{
+		temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];
+		iData[i] = CMD_R(temp,1);
+
+		temp = CMD_R(tempA,5) + CSHA1_H(tempB,tempC,tempD) + tempE + iData[i++] + 0x8f1bbcdc; 
+		tempE = tempD; 
+		tempD = tempC; 
+		tempC = CMD_R(tempB,30); 
+		tempB = tempA; 
+		tempA = temp;
+		}
+#endif
+
+#ifdef EXPANDLOOP
+	CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[60],iData[57],iData[52],iData[46],iData[44]);
+	CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[61],iData[58],iData[53],iData[47],iData[45]);
+	CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[62],iData[59],iData[54],iData[48],iData[46]);
+	CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[63],iData[60],iData[55],iData[49],iData[47]);
+	CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[64],iData[61],iData[56],iData[50],iData[48]);
+	CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[65],iData[62],iData[57],iData[51],iData[49]);
+	CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[66],iData[63],iData[58],iData[52],iData[50]);
+	CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[67],iData[64],iData[59],iData[53],iData[51]);
+	CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[68],iData[65],iData[60],iData[54],iData[52]);
+	CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[69],iData[66],iData[61],iData[55],iData[53]);
+	CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[70],iData[67],iData[62],iData[56],iData[54]);
+	CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[71],iData[68],iData[63],iData[57],iData[55]);
+	CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[72],iData[69],iData[64],iData[58],iData[56]);
+	CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[73],iData[70],iData[65],iData[59],iData[57]);
+	CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[74],iData[71],iData[66],iData[60],iData[58]);
+	CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[75],iData[72],iData[67],iData[61],iData[59]);
+	CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[76],iData[73],iData[68],iData[62],iData[60]);
+	CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[77],iData[74],iData[69],iData[63],iData[61]);
+	CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[78],iData[75],iData[70],iData[64],iData[62]);
+	CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[79],iData[76],iData[71],iData[65],iData[63]);
+#else
+	const TUint total=SHA1_LBLOCK*5; // 16 * 5 = 80
+	while (i<total) 
+		{
+		temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];
+		iData[i] = CMD_R(temp,1);
+
+		temp = CMD_R(tempA,5) + CSHA1_I(tempB,tempC,tempD) + tempE + iData[i++] + 0xca62c1d6; 
+		tempE = tempD; 
+		tempD = tempC; 
+		tempC = CMD_R(tempB,30); 
+		tempB = tempA; 
+		tempA = temp;
+		}
+#endif
+
+#ifdef EXPANDLOOP
+	iA+=tempE;
+	iB+=temp;
+	iC+=tempA;
+	iD+=tempB;
+	iE+=tempC;
+#else
+	iA+=tempA;
+	iB+=tempB;
+	iC+=tempC;
+	iD+=tempD;
+	iE+=tempE;
+#endif // EXPANDLOOP
+#endif // WEIDAI
+	}
+
+void CSHA1::DoFinal()
+	{
+	iNh += iNl;
+	const TUint ul128=128;
+	switch (iNl&3) 
+		{
+		case 0:
+			iData[iNl>>2] = ul128<<24;
+			break;
+		case 1:
+			iData[iNl>>2] += ul128<<16;
+			break;
+		case 2:
+			iData[iNl>>2] += ul128<<8;
+			break;
+		case 3:
+			iData[iNl>>2] += ul128;
+			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; //+4 to account for the word added in the
+		//switch statement above
+		Mem::FillZ(iData+offset,(14-offset)*sizeof(TUint));
+		}
+
+	//TODO: 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[14]=0;
+	iData[15]=iNh<<3;//number in bits
+	Block();
+	
+	//
+	// Generate hash value into iHash
+	//
+	TUint tmp=iA;
+	iHash[3]=(TUint8)(tmp & 255);
+	iHash[2]=(TUint8)((tmp >>= 8) & 255);
+	iHash[1]=(TUint8)((tmp >>= 8) & 255);
+	iHash[0]=(TUint8)((tmp >>= 8) & 255);
+	
+	tmp=iB;
+	iHash[7]=(TUint8)(tmp & 255);
+	iHash[6]=(TUint8)((tmp >>= 8) & 255);
+	iHash[5]=(TUint8)((tmp >>= 8) & 255);
+	iHash[4]=(TUint8)((tmp >>= 8) & 255);
+	
+	tmp=iC;
+	iHash[11]=(TUint8)(tmp & 255);
+	iHash[10]=(TUint8)((tmp >>= 8) & 255);
+	iHash[9]=(TUint8)((tmp >>= 8) & 255);
+	iHash[8]=(TUint8)((tmp >>= 8) & 255);
+	
+	tmp=iD;
+	iHash[15]=(TUint8)(tmp & 255);
+	iHash[14]=(TUint8)((tmp >>= 8) & 255);
+	iHash[13]=(TUint8)((tmp >>= 8) & 255);
+	iHash[12]=(TUint8)((tmp >>= 8) & 255);
+	
+	tmp=iE;
+	iHash[19]=(TUint8)(tmp & 255);
+	iHash[18]=(TUint8)((tmp >>= 8) & 255);
+	iHash[17]=(TUint8)((tmp >>= 8) & 255);
+	iHash[16]=(TUint8)((tmp >>= 8) & 255);
+	}