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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// f32\sfile\sf_hash.cpp
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//
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//
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#include "sf_std.h"
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#define EXPANDLOOP
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static inline TUint CMD_R(TUint a,TUint s)
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{
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return (a<<s) | (a>>(32-s));
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}
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CSHA1::CSHA1(void)
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: iHash(SHA1_HASH)
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{
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}
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CSHA1* CSHA1::NewL(void)
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{
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CSHA1* self=new(ELeave) CSHA1;
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self->Reset();
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return self;
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}
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void CSHA1::Update(const TDesC8& aMessage)
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{
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DoUpdate(aMessage.Ptr(),aMessage.Size());
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}
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TPtrC8 CSHA1::Final()
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{
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TPtrC8 ptr(KNullDesC8());
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DoFinal();
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ptr.Set(iHash);
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Reset();
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return ptr;
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}
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CSHA1::~CSHA1(void)
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{
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}
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void CSHA1::Reset(void)
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{
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iA=0x67452301;
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iB=0xefcdab89;
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iC=0x98badcfe;
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iD=0x10325476;
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iE=0xc3d2e1f0;
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iNh=0;
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iNl=0;
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}
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// This assumes a big-endian architecture
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void CSHA1::DoUpdate(const TUint8* aData,TUint aLength)
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{
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while((aLength / 4) > 0 && (iNl % 4 == 0))
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{
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iData[iNl>>2] = aData[0] << 24 | aData[1] << 16 | aData[2] << 8 | aData[3];
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iNl+=4;
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aData+=4;
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aLength-=4;
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if(iNl==64)
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{
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Block();
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iNh+=64;
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iNl=0;
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}
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}
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while(aLength--)
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{
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switch (iNl&3)
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{
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case 0:
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iData[iNl>>2]=((TUint)(*aData))<<24;
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break;
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case 1:
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iData[iNl>>2]|=((TUint)(*aData))<<16;
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break;
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case 2:
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iData[iNl>>2]|=((TUint)(*aData))<<8;
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break;
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case 3:
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iData[iNl>>2]|=((TUint)(*aData));
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break;
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default:
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break;
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};
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aData++;
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iNl++;
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if(iNl==64)
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{
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Block();
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iNh+=64;
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iNl=0;
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}
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}
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}
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static inline TUint CSHA1_F(const TUint x,const TUint y,const TUint z)
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{
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return (x&y) | (~x&z);
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}
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static inline TUint CSHA1_G(const TUint x,const TUint y,const TUint z)
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{
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return x^y^z;
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}
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static inline TUint CSHA1_H(const TUint x,const TUint y,const TUint z)
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{
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return (x&y) | (x&z) | (y&z);
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}
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/*static inline TUint CSHA1_I(const TUint x,const TUint y,const TUint z)
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{
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return x^y^z;
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}*/
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#ifdef EXPANDLOOP
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#ifdef MACRO
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#define CSHA1_16(x,y,z,u,t,v,w) v=CMD_R(x,5)+CSHA1_F(y,z,u)+t+w+0x5a827999;\
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y=CMD_R(y,30);t=v;
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#define CSHA1_20(x,y,z,u,t,v,w0,w3,w8,w14,w16) v=w3^w8^w14^w16;w0=CMD_R(v,1);\
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CSHA1_16(x,y,z,u,t,v,w0);
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#define CSHA1_40(x,y,z,u,t,v,w0,w3,w8,w14,w16) v=w3^w8^w14^w16;w0=CMD_R(v,1);\
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v=CMD_R(x,5)+CSHA1_G(y,z,u)+t+w0+0x6ed9eba1;\
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y=CMD_R(y,30);t=v;
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#define CSHA1_60(x,y,z,u,t,v,w0,w3,w8,w14,w16) v=w3^w8^w14^w16;w0=CMD_R(v,1);\
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v=CMD_R(x,5)+CSHA1_H(y,z,u)+t+w0+0x8f1bbcdc;\
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y=CMD_R(y,30);t=v;
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#define CSHA1_80(x,y,z,u,t,v,w0,w3,w8,w14,w16) v=w3^w8^w14^w16;w0=CMD_R(v,1);\
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v=CMD_R(x,5)+CSHA1_G(y,z,u)+t+w0+0xca62c1d6;\
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y=CMD_R(y,30);t=v;
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#else
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static inline void CSHA1_16(const TUint x, TUint& y, const TUint z,
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const TUint u, TUint& t, TUint& v, const TUint w)
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{
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v = CMD_R(x,5) + CSHA1_F(y,z,u) + t + w + 0x5a827999;
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y = CMD_R(y,30);
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t = v;
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}
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static inline void CSHA1_20(const TUint x,TUint& y,const TUint z,
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const TUint u,TUint& t,TUint& v,
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TUint& w0,const TUint w3,const TUint w8,
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const TUint w14,const TUint w16)
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{
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v = w3 ^ w8 ^ w14 ^ w16;
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w0 = CMD_R(v,1);
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CSHA1_16(x,y,z,u,t,v,w0);
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}
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static inline void CSHA1_40(const TUint x,TUint& y,const TUint z,
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const TUint u,TUint& t,TUint& v,
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TUint& w0,const TUint w3,const TUint w8,
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const TUint w14,const TUint w16)
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{
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v = w3 ^ w8 ^ w14 ^ w16;
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w0 = CMD_R(v,1);
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v = CMD_R(x,5) + CSHA1_G(y,z,u) + t + w0 + 0x6ed9eba1;
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y = CMD_R(y,30);
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t = v;
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}
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static inline void CSHA1_60(const TUint x,TUint& y,const TUint z,
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const TUint u,TUint& t,TUint& v,
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TUint& w0,const TUint w3,const TUint w8,
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const TUint w14,const TUint w16)
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{
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v = w3 ^ w8 ^ w14 ^ w16;
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w0 = CMD_R(v,1);
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v = CMD_R(x,5) + CSHA1_H(y,z,u) + t + w0 + 0x8f1bbcdc;
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y = CMD_R(y,30);
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t = v;
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}
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static inline void CSHA1_80(const TUint x,TUint& y,const TUint z,
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const TUint u,TUint& t,TUint& v,
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TUint& w0,const TUint w3,const TUint w8,
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const TUint w14,const TUint w16)
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{
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v = w3 ^ w8 ^ w14 ^ w16;
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w0 = CMD_R(v,1);
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v = CMD_R(x,5) + CSHA1_G(y,z,u) + t + w0 + 0xca62c1d6;
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y = CMD_R(y,30);
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t = v;
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}
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#endif // MACRO
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#endif // EXPANDLOOP
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#ifdef WEIDAI
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template <class T> inline T rotlFixed(T x, unsigned int y)
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{
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ASSERT(y < sizeof(T)*8);
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return (x<<y) | (x>>(sizeof(T)*8-y));
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}
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template<> inline TUint32 rotlFixed<TUint32>(TUint32 x, unsigned int y)
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{
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ASSERT(y < 32);
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return y ? CMD_R(x, y) : x;
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}
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#define blk0(i) (W[i] = iData[i])
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#define blk1(i) (W[i&15] = rotlFixed(W[(i+13)&15]^W[(i+8)&15]^W[(i+2)&15]^W[i&15],1))
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#define f1(x,y,z) (z^(x&(y^z)))
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#define f2(x,y,z) (x^y^z)
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#define f3(x,y,z) ((x&y)|(z&(x|y)))
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#define f4(x,y,z) (x^y^z)
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/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
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#define R0(v,w,x,y,z,i) z+=f1(w,x,y)+blk0(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30);
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#define R1(v,w,x,y,z,i) z+=f1(w,x,y)+blk1(i)+0x5A827999+rotlFixed(v,5);w=rotlFixed(w,30);
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#define R2(v,w,x,y,z,i) z+=f2(w,x,y)+blk1(i)+0x6ED9EBA1+rotlFixed(v,5);w=rotlFixed(w,30);
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#define R3(v,w,x,y,z,i) z+=f3(w,x,y)+blk1(i)+0x8F1BBCDC+rotlFixed(v,5);w=rotlFixed(w,30);
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#define R4(v,w,x,y,z,i) z+=f4(w,x,y)+blk1(i)+0xCA62C1D6+rotlFixed(v,5);w=rotlFixed(w,30);
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#endif // WEIDAI
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void CSHA1::Block()
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{
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#ifdef WEIDAI
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TUint32 W[16];
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/* Copy context->state[] to working vars */
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TUint32 a = iA;
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TUint32 b = iB;
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TUint32 c = iC;
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TUint32 d = iD;
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TUint32 e = iE;
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/* 4 rounds of 20 operations each. Loop unrolled. */
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R0(a,b,c,d,e, 0);
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R0(e,a,b,c,d, 1);
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R0(d,e,a,b,c, 2);
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R0(c,d,e,a,b, 3);
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R0(b,c,d,e,a, 4);
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R0(a,b,c,d,e, 5);
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R0(e,a,b,c,d, 6);
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R0(d,e,a,b,c, 7);
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R0(c,d,e,a,b, 8);
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R0(b,c,d,e,a, 9);
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R0(a,b,c,d,e,10);
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R0(e,a,b,c,d,11);
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R0(d,e,a,b,c,12);
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R0(c,d,e,a,b,13);
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R0(b,c,d,e,a,14);
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R0(a,b,c,d,e,15);
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R1(e,a,b,c,d,16);
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R1(d,e,a,b,c,17);
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R1(c,d,e,a,b,18);
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R1(b,c,d,e,a,19);
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R2(a,b,c,d,e,20);
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R2(e,a,b,c,d,21);
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R2(d,e,a,b,c,22);
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R2(c,d,e,a,b,23);
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R2(b,c,d,e,a,24);
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R2(a,b,c,d,e,25);
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R2(e,a,b,c,d,26);
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R2(d,e,a,b,c,27);
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R2(c,d,e,a,b,28);
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R2(b,c,d,e,a,29);
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R2(a,b,c,d,e,30);
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R2(e,a,b,c,d,31);
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R2(d,e,a,b,c,32);
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R2(c,d,e,a,b,33);
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R2(b,c,d,e,a,34);
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R2(a,b,c,d,e,35);
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R2(e,a,b,c,d,36);
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R2(d,e,a,b,c,37);
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R2(c,d,e,a,b,38);
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R2(b,c,d,e,a,39);
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R3(a,b,c,d,e,40);
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R3(e,a,b,c,d,41);
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R3(d,e,a,b,c,42);
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R3(c,d,e,a,b,43);
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R3(b,c,d,e,a,44);
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R3(a,b,c,d,e,45);
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R3(e,a,b,c,d,46);
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R3(d,e,a,b,c,47);
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R3(c,d,e,a,b,48);
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R3(b,c,d,e,a,49);
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R3(a,b,c,d,e,50);
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R3(e,a,b,c,d,51);
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R3(d,e,a,b,c,52);
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R3(c,d,e,a,b,53);
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R3(b,c,d,e,a,54);
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R3(a,b,c,d,e,55);
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R3(e,a,b,c,d,56);
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R3(d,e,a,b,c,57);
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R3(c,d,e,a,b,58);
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R3(b,c,d,e,a,59);
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R4(a,b,c,d,e,60);
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R4(e,a,b,c,d,61);
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R4(d,e,a,b,c,62);
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R4(c,d,e,a,b,63);
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R4(b,c,d,e,a,64);
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R4(a,b,c,d,e,65);
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R4(e,a,b,c,d,66);
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R4(d,e,a,b,c,67);
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R4(c,d,e,a,b,68);
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R4(b,c,d,e,a,69);
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R4(a,b,c,d,e,70);
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R4(e,a,b,c,d,71);
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R4(d,e,a,b,c,72);
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R4(c,d,e,a,b,73);
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R4(b,c,d,e,a,74);
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R4(a,b,c,d,e,75);
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R4(e,a,b,c,d,76);
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R4(d,e,a,b,c,77);
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R4(c,d,e,a,b,78);
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R4(b,c,d,e,a,79);
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/* Add the working vars back into context.state[] */
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iA += a;
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iB += b;
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iC += c;
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iD += d;
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iE += e;
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/* Wipe variables */
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a = b = c = d = e = 0;
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Mem::FillZ(W, sizeof(W));
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#else
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TUint tempA=iA;
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TUint tempB=iB;
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TUint tempC=iC;
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TUint tempD=iD;
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TUint tempE=iE;
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TUint temp=0;
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#ifdef EXPANDLOOP
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|
358 |
CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[0]);
|
|
359 |
CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[1]);
|
|
360 |
CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[2]);
|
|
361 |
CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[3]);
|
|
362 |
CSHA1_16(tempC,tempD,tempE,temp,tempA,tempB,iData[4]);
|
|
363 |
CSHA1_16(tempB,tempC,tempD,tempE,temp,tempA,iData[5]);
|
|
364 |
CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[6]);
|
|
365 |
CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[7]);
|
|
366 |
CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[8]);
|
|
367 |
CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[9]);
|
|
368 |
CSHA1_16(tempC,tempD,tempE,temp,tempA,tempB,iData[10]);
|
|
369 |
CSHA1_16(tempB,tempC,tempD,tempE,temp,tempA,iData[11]);
|
|
370 |
CSHA1_16(tempA,tempB,tempC,tempD,tempE,temp,iData[12]);
|
|
371 |
CSHA1_16(temp,tempA,tempB,tempC,tempD,tempE,iData[13]);
|
|
372 |
CSHA1_16(tempE,temp,tempA,tempB,tempC,tempD,iData[14]);
|
|
373 |
CSHA1_16(tempD,tempE,temp,tempA,tempB,tempC,iData[15]);
|
|
374 |
/*
|
|
375 |
i = 16;
|
|
376 |
TUint temp1 = tempA;
|
|
377 |
tempA =
|
|
378 |
*/
|
|
379 |
#else
|
|
380 |
TUint i=0;
|
|
381 |
while (i<16)
|
|
382 |
{
|
|
383 |
temp = CMD_R(tempA,5) + CSHA1_F(tempB,tempC,tempD) + tempE + iData[i++] + 0x5a827999;
|
|
384 |
tempE = tempD;
|
|
385 |
tempD = tempC;
|
|
386 |
tempC = CMD_R(tempB,30);
|
|
387 |
tempB = tempA;
|
|
388 |
tempA = temp;
|
|
389 |
}
|
|
390 |
#endif
|
|
391 |
|
|
392 |
#ifdef EXPANDLOOP
|
|
393 |
CSHA1_20(tempC,tempD,tempE,temp,tempA,tempB,iData[16],iData[13],iData[8],iData[2],iData[0]);
|
|
394 |
CSHA1_20(tempB,tempC,tempD,tempE,temp,tempA,iData[17],iData[14],iData[9],iData[3],iData[1]);
|
|
395 |
CSHA1_20(tempA,tempB,tempC,tempD,tempE,temp,iData[18],iData[15],iData[10],iData[4],iData[2]);
|
|
396 |
CSHA1_20(temp,tempA,tempB,tempC,tempD,tempE,iData[19],iData[16],iData[11],iData[5],iData[3]);
|
|
397 |
//i = 20;
|
|
398 |
#else
|
|
399 |
while (i<20)
|
|
400 |
{
|
|
401 |
temp=iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];
|
|
402 |
iData[i]=CMD_R(temp,1);
|
|
403 |
temp = CMD_R(tempA,5) + CSHA1_F(tempB,tempC,tempD) + tempE + iData[i++] + 0x5a827999;
|
|
404 |
tempE = tempD;
|
|
405 |
tempD = tempC;
|
|
406 |
tempC = CMD_R(tempB,30);
|
|
407 |
tempB = tempA;
|
|
408 |
tempA = temp;
|
|
409 |
}
|
|
410 |
#endif
|
|
411 |
|
|
412 |
#ifdef EXPANDLOOP
|
|
413 |
CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[20],iData[17],iData[12],iData[6],iData[4]);
|
|
414 |
CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[21],iData[18],iData[13],iData[7],iData[5]);
|
|
415 |
CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[22],iData[19],iData[14],iData[8],iData[6]);
|
|
416 |
CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[23],iData[20],iData[15],iData[9],iData[7]);
|
|
417 |
CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[24],iData[21],iData[16],iData[10],iData[8]);
|
|
418 |
CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[25],iData[22],iData[17],iData[11],iData[9]);
|
|
419 |
CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[26],iData[23],iData[18],iData[12],iData[10]);
|
|
420 |
CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[27],iData[24],iData[19],iData[13],iData[11]);
|
|
421 |
CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[28],iData[25],iData[20],iData[14],iData[12]);
|
|
422 |
CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[29],iData[26],iData[21],iData[15],iData[13]);
|
|
423 |
CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[30],iData[27],iData[22],iData[16],iData[14]);
|
|
424 |
CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[31],iData[28],iData[23],iData[17],iData[15]);
|
|
425 |
CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[32],iData[29],iData[24],iData[18],iData[16]);
|
|
426 |
CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[33],iData[30],iData[25],iData[19],iData[17]);
|
|
427 |
CSHA1_40(tempC,tempD,tempE,temp,tempA,tempB,iData[34],iData[31],iData[26],iData[20],iData[18]);
|
|
428 |
CSHA1_40(tempB,tempC,tempD,tempE,temp,tempA,iData[35],iData[32],iData[27],iData[21],iData[19]);
|
|
429 |
CSHA1_40(tempA,tempB,tempC,tempD,tempE,temp,iData[36],iData[33],iData[28],iData[22],iData[20]);
|
|
430 |
CSHA1_40(temp,tempA,tempB,tempC,tempD,tempE,iData[37],iData[34],iData[29],iData[23],iData[21]);
|
|
431 |
CSHA1_40(tempE,temp,tempA,tempB,tempC,tempD,iData[38],iData[35],iData[30],iData[24],iData[22]);
|
|
432 |
CSHA1_40(tempD,tempE,temp,tempA,tempB,tempC,iData[39],iData[36],iData[31],iData[25],iData[23]);
|
|
433 |
//i = 40;
|
|
434 |
#else
|
|
435 |
while (i<40)
|
|
436 |
{
|
|
437 |
temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];
|
|
438 |
iData[i] = CMD_R(temp,1);
|
|
439 |
|
|
440 |
temp = CMD_R(tempA,5) + CSHA1_G(tempB,tempC,tempD) + tempE + iData[i++] + 0x6ed9eba1;
|
|
441 |
tempE = tempD;
|
|
442 |
tempD = tempC;
|
|
443 |
tempC = CMD_R(tempB,30);
|
|
444 |
tempB = tempA;
|
|
445 |
tempA = temp;
|
|
446 |
}
|
|
447 |
#endif
|
|
448 |
|
|
449 |
#ifdef EXPANDLOOP
|
|
450 |
CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[40],iData[37],iData[32],iData[26],iData[24]);
|
|
451 |
CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[41],iData[38],iData[33],iData[27],iData[25]);
|
|
452 |
CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[42],iData[39],iData[34],iData[28],iData[26]);
|
|
453 |
CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[43],iData[40],iData[35],iData[29],iData[27]);
|
|
454 |
CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[44],iData[41],iData[36],iData[30],iData[28]);
|
|
455 |
CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[45],iData[42],iData[37],iData[31],iData[29]);
|
|
456 |
CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[46],iData[43],iData[38],iData[32],iData[30]);
|
|
457 |
CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[47],iData[44],iData[39],iData[33],iData[31]);
|
|
458 |
CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[48],iData[45],iData[40],iData[34],iData[32]);
|
|
459 |
CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[49],iData[46],iData[41],iData[35],iData[33]);
|
|
460 |
CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[50],iData[47],iData[42],iData[36],iData[34]);
|
|
461 |
CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[51],iData[48],iData[43],iData[37],iData[35]);
|
|
462 |
CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[52],iData[49],iData[44],iData[38],iData[36]);
|
|
463 |
CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[53],iData[50],iData[45],iData[39],iData[37]);
|
|
464 |
CSHA1_60(tempA,tempB,tempC,tempD,tempE,temp,iData[54],iData[51],iData[46],iData[40],iData[38]);
|
|
465 |
CSHA1_60(temp,tempA,tempB,tempC,tempD,tempE,iData[55],iData[52],iData[47],iData[41],iData[39]);
|
|
466 |
CSHA1_60(tempE,temp,tempA,tempB,tempC,tempD,iData[56],iData[53],iData[48],iData[42],iData[40]);
|
|
467 |
CSHA1_60(tempD,tempE,temp,tempA,tempB,tempC,iData[57],iData[54],iData[49],iData[43],iData[41]);
|
|
468 |
CSHA1_60(tempC,tempD,tempE,temp,tempA,tempB,iData[58],iData[55],iData[50],iData[44],iData[42]);
|
|
469 |
CSHA1_60(tempB,tempC,tempD,tempE,temp,tempA,iData[59],iData[56],iData[51],iData[45],iData[43]);
|
|
470 |
//i = 60;
|
|
471 |
#else
|
|
472 |
while (i<60)
|
|
473 |
{
|
|
474 |
temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];
|
|
475 |
iData[i] = CMD_R(temp,1);
|
|
476 |
|
|
477 |
temp = CMD_R(tempA,5) + CSHA1_H(tempB,tempC,tempD) + tempE + iData[i++] + 0x8f1bbcdc;
|
|
478 |
tempE = tempD;
|
|
479 |
tempD = tempC;
|
|
480 |
tempC = CMD_R(tempB,30);
|
|
481 |
tempB = tempA;
|
|
482 |
tempA = temp;
|
|
483 |
}
|
|
484 |
#endif
|
|
485 |
|
|
486 |
#ifdef EXPANDLOOP
|
|
487 |
CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[60],iData[57],iData[52],iData[46],iData[44]);
|
|
488 |
CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[61],iData[58],iData[53],iData[47],iData[45]);
|
|
489 |
CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[62],iData[59],iData[54],iData[48],iData[46]);
|
|
490 |
CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[63],iData[60],iData[55],iData[49],iData[47]);
|
|
491 |
CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[64],iData[61],iData[56],iData[50],iData[48]);
|
|
492 |
CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[65],iData[62],iData[57],iData[51],iData[49]);
|
|
493 |
CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[66],iData[63],iData[58],iData[52],iData[50]);
|
|
494 |
CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[67],iData[64],iData[59],iData[53],iData[51]);
|
|
495 |
CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[68],iData[65],iData[60],iData[54],iData[52]);
|
|
496 |
CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[69],iData[66],iData[61],iData[55],iData[53]);
|
|
497 |
CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[70],iData[67],iData[62],iData[56],iData[54]);
|
|
498 |
CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[71],iData[68],iData[63],iData[57],iData[55]);
|
|
499 |
CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[72],iData[69],iData[64],iData[58],iData[56]);
|
|
500 |
CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[73],iData[70],iData[65],iData[59],iData[57]);
|
|
501 |
CSHA1_80(tempE,temp,tempA,tempB,tempC,tempD,iData[74],iData[71],iData[66],iData[60],iData[58]);
|
|
502 |
CSHA1_80(tempD,tempE,temp,tempA,tempB,tempC,iData[75],iData[72],iData[67],iData[61],iData[59]);
|
|
503 |
CSHA1_80(tempC,tempD,tempE,temp,tempA,tempB,iData[76],iData[73],iData[68],iData[62],iData[60]);
|
|
504 |
CSHA1_80(tempB,tempC,tempD,tempE,temp,tempA,iData[77],iData[74],iData[69],iData[63],iData[61]);
|
|
505 |
CSHA1_80(tempA,tempB,tempC,tempD,tempE,temp,iData[78],iData[75],iData[70],iData[64],iData[62]);
|
|
506 |
CSHA1_80(temp,tempA,tempB,tempC,tempD,tempE,iData[79],iData[76],iData[71],iData[65],iData[63]);
|
|
507 |
#else
|
|
508 |
const TUint total=SHA1_LBLOCK*5; // 16 * 5 = 80
|
|
509 |
while (i<total)
|
|
510 |
{
|
|
511 |
temp = iData[i-3] ^ iData[i-8] ^ iData[i-14] ^ iData[i-16];
|
|
512 |
iData[i] = CMD_R(temp,1);
|
|
513 |
|
|
514 |
temp = CMD_R(tempA,5) + CSHA1_I(tempB,tempC,tempD) + tempE + iData[i++] + 0xca62c1d6;
|
|
515 |
tempE = tempD;
|
|
516 |
tempD = tempC;
|
|
517 |
tempC = CMD_R(tempB,30);
|
|
518 |
tempB = tempA;
|
|
519 |
tempA = temp;
|
|
520 |
}
|
|
521 |
#endif
|
|
522 |
|
|
523 |
#ifdef EXPANDLOOP
|
|
524 |
iA+=tempE;
|
|
525 |
iB+=temp;
|
|
526 |
iC+=tempA;
|
|
527 |
iD+=tempB;
|
|
528 |
iE+=tempC;
|
|
529 |
#else
|
|
530 |
iA+=tempA;
|
|
531 |
iB+=tempB;
|
|
532 |
iC+=tempC;
|
|
533 |
iD+=tempD;
|
|
534 |
iE+=tempE;
|
|
535 |
#endif // EXPANDLOOP
|
|
536 |
#endif // WEIDAI
|
|
537 |
}
|
|
538 |
|
|
539 |
void CSHA1::DoFinal()
|
|
540 |
{
|
|
541 |
iNh += iNl;
|
|
542 |
const TUint ul128=128;
|
|
543 |
switch (iNl&3)
|
|
544 |
{
|
|
545 |
case 0:
|
|
546 |
iData[iNl>>2] = ul128<<24;
|
|
547 |
break;
|
|
548 |
case 1:
|
|
549 |
iData[iNl>>2] += ul128<<16;
|
|
550 |
break;
|
|
551 |
case 2:
|
|
552 |
iData[iNl>>2] += ul128<<8;
|
|
553 |
break;
|
|
554 |
case 3:
|
|
555 |
iData[iNl>>2] += ul128;
|
|
556 |
break;
|
|
557 |
default:
|
|
558 |
break;
|
|
559 |
};
|
|
560 |
if (iNl>=56)
|
|
561 |
{
|
|
562 |
if (iNl<60)
|
|
563 |
iData[15]=0;
|
|
564 |
Block();
|
|
565 |
Mem::FillZ(iData,14*sizeof(TUint));
|
|
566 |
}
|
|
567 |
else
|
|
568 |
{
|
|
569 |
const TUint offset=(iNl+4)>>2; //+4 to account for the word added in the
|
|
570 |
//switch statement above
|
|
571 |
Mem::FillZ(iData+offset,(14-offset)*sizeof(TUint));
|
|
572 |
}
|
|
573 |
|
|
574 |
//TODO: this will fail if the total input length is longer than 2^32 in bits
|
|
575 |
//(2^31 in bytes) which is roughly half a gig.
|
|
576 |
iData[14]=0;
|
|
577 |
iData[15]=iNh<<3;//number in bits
|
|
578 |
Block();
|
|
579 |
|
|
580 |
//
|
|
581 |
// Generate hash value into iHash
|
|
582 |
//
|
|
583 |
TUint tmp=iA;
|
|
584 |
iHash[3]=(TUint8)(tmp & 255);
|
|
585 |
iHash[2]=(TUint8)((tmp >>= 8) & 255);
|
|
586 |
iHash[1]=(TUint8)((tmp >>= 8) & 255);
|
|
587 |
iHash[0]=(TUint8)((tmp >>= 8) & 255);
|
|
588 |
|
|
589 |
tmp=iB;
|
|
590 |
iHash[7]=(TUint8)(tmp & 255);
|
|
591 |
iHash[6]=(TUint8)((tmp >>= 8) & 255);
|
|
592 |
iHash[5]=(TUint8)((tmp >>= 8) & 255);
|
|
593 |
iHash[4]=(TUint8)((tmp >>= 8) & 255);
|
|
594 |
|
|
595 |
tmp=iC;
|
|
596 |
iHash[11]=(TUint8)(tmp & 255);
|
|
597 |
iHash[10]=(TUint8)((tmp >>= 8) & 255);
|
|
598 |
iHash[9]=(TUint8)((tmp >>= 8) & 255);
|
|
599 |
iHash[8]=(TUint8)((tmp >>= 8) & 255);
|
|
600 |
|
|
601 |
tmp=iD;
|
|
602 |
iHash[15]=(TUint8)(tmp & 255);
|
|
603 |
iHash[14]=(TUint8)((tmp >>= 8) & 255);
|
|
604 |
iHash[13]=(TUint8)((tmp >>= 8) & 255);
|
|
605 |
iHash[12]=(TUint8)((tmp >>= 8) & 255);
|
|
606 |
|
|
607 |
tmp=iE;
|
|
608 |
iHash[19]=(TUint8)(tmp & 255);
|
|
609 |
iHash[18]=(TUint8)((tmp >>= 8) & 255);
|
|
610 |
iHash[17]=(TUint8)((tmp >>= 8) & 255);
|
|
611 |
iHash[16]=(TUint8)((tmp >>= 8) & 255);
|
|
612 |
}
|