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/*
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* Copyright (c) 2007-2009 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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* software md4 implementation
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* software md4 implementation
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*
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*/
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/**
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@file
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*/
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#include "md4impl.h"
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#include <cryptospi/hashplugin.h>
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#include "pluginconfig.h"
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using namespace SoftwareCrypto;
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CMD4Impl* CMD4Impl::NewL()
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{
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CMD4Impl* self=new (ELeave) CMD4Impl();
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self->Reset();
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return self;
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}
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CMD4Impl* CMD4Impl::NewLC()
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{
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CMD4Impl* self=NewL();
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CleanupStack::PushL(self);
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return self;
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}
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CMD4Impl::CMD4Impl() : iHash(KMD4HashSize)
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{
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}
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CMD4Impl::CMD4Impl(const CMD4Impl& aCMD4Impl)
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: iHash(aCMD4Impl.iHash),iA(aCMD4Impl.iA),iB(aCMD4Impl.iB),iC(aCMD4Impl.iC),iD(aCMD4Impl.iD),
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iNl(aCMD4Impl.iNl),iNh(aCMD4Impl.iNh)
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{
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(void)Mem::Copy(iData, aCMD4Impl.iData, sizeof(iData));
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}
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CMD4Impl::~CMD4Impl()
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{
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}
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void CMD4Impl::Reset()
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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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iNh=0;
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iNl=0;
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}
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void CMD4Impl::Close()
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{
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delete this;
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}
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void CMD4Impl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics)
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{
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aPluginCharacteristics=NULL;
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TInt hashNum=sizeof(KHashCharacteristics)/sizeof(THashCharacteristics*);
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for (TInt i=0;i<hashNum;i++)
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{
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if (KHashCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid)
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{
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aPluginCharacteristics = KHashCharacteristics[i];
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break;
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}
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}
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}
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CExtendedCharacteristics* CMD4Impl::CreateExtendedCharacteristicsL()
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{
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// All Symbian software plug-ins have unlimited concurrency, cannot be reserved
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// for exclusive use and are not CERTIFIED to be standards compliant.
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return CExtendedCharacteristics::NewL(KMaxTInt, EFalse);
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}
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const CExtendedCharacteristics* CMD4Impl::GetExtendedCharacteristicsL()
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{
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return CMD4Impl::CreateExtendedCharacteristicsL();
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}
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TPtrC8 CMD4Impl::Hash(const TDesC8& aMessage)
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{
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DoUpdate(aMessage.Ptr(),aMessage.Size());
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StoreState();
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DoFinal();
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RestoreState();
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return iHash;
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}
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void CMD4Impl::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 CMD4Impl::Final(const TDesC8& aMessage)
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{
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if (aMessage!=KNullDesC8())
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{
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DoUpdate(aMessage.Ptr(),aMessage.Size());
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}
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DoFinal();
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Reset();
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return iHash;
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}
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MHash* CMD4Impl::ReplicateL()
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{
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return CMD4Impl::NewL();
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}
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MHash* CMD4Impl::CopyL()
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{
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return new(ELeave) CMD4Impl(*this);
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}
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TUid CMD4Impl::ImplementationUid()
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{
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return KCryptoPluginMd4Uid;
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}
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void CMD4Impl::DoUpdate(const TUint8* aData,TUint aLength)
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{
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const TUint8* pend=aData+aLength;
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for (const TUint8* paData=aData;paData<pend;paData++)
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{
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const TUint8 byte=*paData;
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switch (iNl&3)
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{
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case 0:
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iData[iNl>>2]=byte;
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break;
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case 1:
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iData[iNl>>2]|=byte<<8;
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break;
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case 2:
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iData[iNl>>2]|=byte<<16;
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break;
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case 3:
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iData[iNl>>2]|=byte<<24;
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break;
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default:
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break;
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};
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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 CMD4_F(TUint x,TUint y,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 CMD4_G(TUint x,TUint y,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 CMD4_H(TUint x,TUint y,TUint z)
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{
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return x^y^z;
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}
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#ifdef NOREFS
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static inline TUint CMD4_FF(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
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{
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a+=CMD4_F(b,c,d) + x;
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a=CMD_R(a,s);
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return a;
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}
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static inline TUint CMD4_GG(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
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{
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a+=CMD4_G(b,c,d) + x + (TUint32)0x5a827999;
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a=CMD_R(a,s);
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return a;
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}
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static inline TUint CMD4_HH(TUint a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
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{
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a+=CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1;
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a=CMD_R(a,s);
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return a;
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}
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void CMD4Impl::Block()
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{
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register TUint tempA=iA;
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register TUint tempB=iB;
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register TUint tempC=iC;
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register TUint tempD=iD;
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tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3);
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tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7);
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tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11);
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tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19);
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tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3);
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tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7);
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tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11);
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tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19);
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tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3);
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tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7);
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tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11);
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tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19);
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tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3);
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tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7);
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tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11);
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tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19);
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tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3);
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tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5);
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tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9);
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tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13);
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tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3);
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tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5);
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tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9);
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tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13);
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tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3);
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tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5);
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tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9);
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tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13);
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tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3);
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tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5);
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tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9);
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tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13);
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tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3);
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tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9);
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tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11);
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tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15);
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tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3);
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tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9);
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tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11);
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tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15);
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tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3);
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tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9);
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tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11);
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tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15);
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tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3);
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tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9);
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tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11);
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tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15);
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iA+=tempA;
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iB+=tempB;
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iC+=tempC;
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iD+=tempD;
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}
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#else
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#ifdef MACRO
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#define CMD4_FF(a, b, c, d, x, s) (CMD_R(a += CMD4_F(b,c,d) + x, s))
|
|
sl@0
|
274 |
#define CMD4_GG(a, b, c, d, x, s) (CMD_R(a += CMD4_G(b,c,d) + x + (TUint32)0x5a827999, s))
|
|
sl@0
|
275 |
#define CMD4_HH(a, b, c, d, x, s) (CMD_R(a += CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1, s))
|
|
sl@0
|
276 |
void CMD4Impl::Block()
|
|
sl@0
|
277 |
{
|
|
sl@0
|
278 |
register TUint tempA=iA;
|
|
sl@0
|
279 |
register TUint tempB=iB;
|
|
sl@0
|
280 |
register TUint tempC=iC;
|
|
sl@0
|
281 |
register TUint tempD=iD;
|
|
sl@0
|
282 |
|
|
sl@0
|
283 |
tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3);
|
|
sl@0
|
284 |
tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7);
|
|
sl@0
|
285 |
tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11);
|
|
sl@0
|
286 |
tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19);
|
|
sl@0
|
287 |
tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3);
|
|
sl@0
|
288 |
tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7);
|
|
sl@0
|
289 |
tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11);
|
|
sl@0
|
290 |
tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19);
|
|
sl@0
|
291 |
tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3);
|
|
sl@0
|
292 |
tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7);
|
|
sl@0
|
293 |
tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11);
|
|
sl@0
|
294 |
tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19);
|
|
sl@0
|
295 |
tempA = CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3);
|
|
sl@0
|
296 |
tempD = CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7);
|
|
sl@0
|
297 |
tempC = CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11);
|
|
sl@0
|
298 |
tempB = CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19);
|
|
sl@0
|
299 |
|
|
sl@0
|
300 |
tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3);
|
|
sl@0
|
301 |
tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5);
|
|
sl@0
|
302 |
tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9);
|
|
sl@0
|
303 |
tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13);
|
|
sl@0
|
304 |
tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3);
|
|
sl@0
|
305 |
tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5);
|
|
sl@0
|
306 |
tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9);
|
|
sl@0
|
307 |
tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13);
|
|
sl@0
|
308 |
tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3);
|
|
sl@0
|
309 |
tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5);
|
|
sl@0
|
310 |
tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9);
|
|
sl@0
|
311 |
tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13);
|
|
sl@0
|
312 |
tempA = CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3);
|
|
sl@0
|
313 |
tempD = CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5);
|
|
sl@0
|
314 |
tempC = CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9);
|
|
sl@0
|
315 |
tempB = CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13);
|
|
sl@0
|
316 |
|
|
sl@0
|
317 |
tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3);
|
|
sl@0
|
318 |
tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9);
|
|
sl@0
|
319 |
tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11);
|
|
sl@0
|
320 |
tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15);
|
|
sl@0
|
321 |
tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3);
|
|
sl@0
|
322 |
tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9);
|
|
sl@0
|
323 |
tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11);
|
|
sl@0
|
324 |
tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15);
|
|
sl@0
|
325 |
tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3);
|
|
sl@0
|
326 |
tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9);
|
|
sl@0
|
327 |
tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11);
|
|
sl@0
|
328 |
tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15);
|
|
sl@0
|
329 |
tempA = CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3);
|
|
sl@0
|
330 |
tempD = CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9);
|
|
sl@0
|
331 |
tempC = CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11);
|
|
sl@0
|
332 |
tempB = CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15);
|
|
sl@0
|
333 |
|
|
sl@0
|
334 |
iA+=tempA;
|
|
sl@0
|
335 |
iB+=tempB;
|
|
sl@0
|
336 |
iC+=tempC;
|
|
sl@0
|
337 |
iD+=tempD;
|
|
sl@0
|
338 |
}
|
|
sl@0
|
339 |
#else
|
|
sl@0
|
340 |
static inline void CMD4_FF(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
|
|
sl@0
|
341 |
{
|
|
sl@0
|
342 |
a+=CMD4_F(b,c,d) + x;
|
|
sl@0
|
343 |
a=CMD_R(a,s);
|
|
sl@0
|
344 |
}
|
|
sl@0
|
345 |
static inline void CMD4_GG(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
|
|
sl@0
|
346 |
{
|
|
sl@0
|
347 |
a+=CMD4_G(b,c,d) + x + (TUint32)0x5a827999;
|
|
sl@0
|
348 |
a=CMD_R(a,s);
|
|
sl@0
|
349 |
}
|
|
sl@0
|
350 |
static inline void CMD4_HH(TUint& a,const TUint b,const TUint c,const TUint d,const TUint x,const TUint s)
|
|
sl@0
|
351 |
{
|
|
sl@0
|
352 |
a+=CMD4_H(b,c,d) + x + (TUint32)0x6ed9eba1;
|
|
sl@0
|
353 |
a=CMD_R(a,s);
|
|
sl@0
|
354 |
}
|
|
sl@0
|
355 |
|
|
sl@0
|
356 |
void CMD4Impl::Block()
|
|
sl@0
|
357 |
{
|
|
sl@0
|
358 |
register TUint tempA=iA;
|
|
sl@0
|
359 |
register TUint tempB=iB;
|
|
sl@0
|
360 |
register TUint tempC=iC;
|
|
sl@0
|
361 |
register TUint tempD=iD;
|
|
sl@0
|
362 |
|
|
sl@0
|
363 |
CMD4_FF(tempA,tempB,tempC,tempD,iData[ 0],3);
|
|
sl@0
|
364 |
CMD4_FF(tempD,tempA,tempB,tempC,iData[ 1],7);
|
|
sl@0
|
365 |
CMD4_FF(tempC,tempD,tempA,tempB,iData[ 2],11);
|
|
sl@0
|
366 |
CMD4_FF(tempB,tempC,tempD,tempA,iData[ 3],19);
|
|
sl@0
|
367 |
CMD4_FF(tempA,tempB,tempC,tempD,iData[ 4],3);
|
|
sl@0
|
368 |
CMD4_FF(tempD,tempA,tempB,tempC,iData[ 5],7);
|
|
sl@0
|
369 |
CMD4_FF(tempC,tempD,tempA,tempB,iData[ 6],11);
|
|
sl@0
|
370 |
CMD4_FF(tempB,tempC,tempD,tempA,iData[ 7],19);
|
|
sl@0
|
371 |
CMD4_FF(tempA,tempB,tempC,tempD,iData[ 8],3);
|
|
sl@0
|
372 |
CMD4_FF(tempD,tempA,tempB,tempC,iData[ 9],7);
|
|
sl@0
|
373 |
CMD4_FF(tempC,tempD,tempA,tempB,iData[10],11);
|
|
sl@0
|
374 |
CMD4_FF(tempB,tempC,tempD,tempA,iData[11],19);
|
|
sl@0
|
375 |
CMD4_FF(tempA,tempB,tempC,tempD,iData[12],3);
|
|
sl@0
|
376 |
CMD4_FF(tempD,tempA,tempB,tempC,iData[13],7);
|
|
sl@0
|
377 |
CMD4_FF(tempC,tempD,tempA,tempB,iData[14],11);
|
|
sl@0
|
378 |
CMD4_FF(tempB,tempC,tempD,tempA,iData[15],19);
|
|
sl@0
|
379 |
|
|
sl@0
|
380 |
CMD4_GG(tempA,tempB,tempC,tempD,iData[ 0],3);
|
|
sl@0
|
381 |
CMD4_GG(tempD,tempA,tempB,tempC,iData[ 4],5);
|
|
sl@0
|
382 |
CMD4_GG(tempC,tempD,tempA,tempB,iData[ 8],9);
|
|
sl@0
|
383 |
CMD4_GG(tempB,tempC,tempD,tempA,iData[12],13);
|
|
sl@0
|
384 |
CMD4_GG(tempA,tempB,tempC,tempD,iData[ 1],3);
|
|
sl@0
|
385 |
CMD4_GG(tempD,tempA,tempB,tempC,iData[ 5],5);
|
|
sl@0
|
386 |
CMD4_GG(tempC,tempD,tempA,tempB,iData[ 9],9);
|
|
sl@0
|
387 |
CMD4_GG(tempB,tempC,tempD,tempA,iData[13],13);
|
|
sl@0
|
388 |
CMD4_GG(tempA,tempB,tempC,tempD,iData[ 2],3);
|
|
sl@0
|
389 |
CMD4_GG(tempD,tempA,tempB,tempC,iData[ 6],5);
|
|
sl@0
|
390 |
CMD4_GG(tempC,tempD,tempA,tempB,iData[10],9);
|
|
sl@0
|
391 |
CMD4_GG(tempB,tempC,tempD,tempA,iData[14],13);
|
|
sl@0
|
392 |
CMD4_GG(tempA,tempB,tempC,tempD,iData[ 3],3);
|
|
sl@0
|
393 |
CMD4_GG(tempD,tempA,tempB,tempC,iData[ 7],5);
|
|
sl@0
|
394 |
CMD4_GG(tempC,tempD,tempA,tempB,iData[11],9);
|
|
sl@0
|
395 |
CMD4_GG(tempB,tempC,tempD,tempA,iData[15],13);
|
|
sl@0
|
396 |
|
|
sl@0
|
397 |
CMD4_HH(tempA,tempB,tempC,tempD,iData[ 0],3);
|
|
sl@0
|
398 |
CMD4_HH(tempD,tempA,tempB,tempC,iData[ 8],9);
|
|
sl@0
|
399 |
CMD4_HH(tempC,tempD,tempA,tempB,iData[ 4],11);
|
|
sl@0
|
400 |
CMD4_HH(tempB,tempC,tempD,tempA,iData[12],15);
|
|
sl@0
|
401 |
CMD4_HH(tempA,tempB,tempC,tempD,iData[ 2],3);
|
|
sl@0
|
402 |
CMD4_HH(tempD,tempA,tempB,tempC,iData[10],9);
|
|
sl@0
|
403 |
CMD4_HH(tempC,tempD,tempA,tempB,iData[ 6],11);
|
|
sl@0
|
404 |
CMD4_HH(tempB,tempC,tempD,tempA,iData[14],15);
|
|
sl@0
|
405 |
CMD4_HH(tempA,tempB,tempC,tempD,iData[ 1],3);
|
|
sl@0
|
406 |
CMD4_HH(tempD,tempA,tempB,tempC,iData[ 9],9);
|
|
sl@0
|
407 |
CMD4_HH(tempC,tempD,tempA,tempB,iData[ 5],11);
|
|
sl@0
|
408 |
CMD4_HH(tempB,tempC,tempD,tempA,iData[13],15);
|
|
sl@0
|
409 |
CMD4_HH(tempA,tempB,tempC,tempD,iData[ 3],3);
|
|
sl@0
|
410 |
CMD4_HH(tempD,tempA,tempB,tempC,iData[11],9);
|
|
sl@0
|
411 |
CMD4_HH(tempC,tempD,tempA,tempB,iData[ 7],11);
|
|
sl@0
|
412 |
CMD4_HH(tempB,tempC,tempD,tempA,iData[15],15);
|
|
sl@0
|
413 |
|
|
sl@0
|
414 |
iA+=tempA;
|
|
sl@0
|
415 |
iB+=tempB;
|
|
sl@0
|
416 |
iC+=tempC;
|
|
sl@0
|
417 |
iD+=tempD;
|
|
sl@0
|
418 |
}
|
|
sl@0
|
419 |
#endif
|
|
sl@0
|
420 |
#endif
|
|
sl@0
|
421 |
|
|
sl@0
|
422 |
void CMD4Impl::DoFinal(void)
|
|
sl@0
|
423 |
{
|
|
sl@0
|
424 |
iNh += iNl;
|
|
sl@0
|
425 |
const TUint ul128=128;
|
|
sl@0
|
426 |
switch (iNl&3)
|
|
sl@0
|
427 |
{
|
|
sl@0
|
428 |
case 0:
|
|
sl@0
|
429 |
iData[iNl>>2] = ul128;
|
|
sl@0
|
430 |
break;
|
|
sl@0
|
431 |
case 1:
|
|
sl@0
|
432 |
iData[iNl>>2] += ul128<<8;
|
|
sl@0
|
433 |
break;
|
|
sl@0
|
434 |
case 2:
|
|
sl@0
|
435 |
iData[iNl>>2] += ul128<<16;
|
|
sl@0
|
436 |
break;
|
|
sl@0
|
437 |
case 3:
|
|
sl@0
|
438 |
iData[iNl>>2] += ul128<<24;
|
|
sl@0
|
439 |
break;
|
|
sl@0
|
440 |
default:
|
|
sl@0
|
441 |
break;
|
|
sl@0
|
442 |
};
|
|
sl@0
|
443 |
if (iNl>=56)
|
|
sl@0
|
444 |
{
|
|
sl@0
|
445 |
if (iNl<60)
|
|
sl@0
|
446 |
iData[15]=0;
|
|
sl@0
|
447 |
Block();
|
|
sl@0
|
448 |
Mem::FillZ(iData,14*sizeof(TUint));
|
|
sl@0
|
449 |
}
|
|
sl@0
|
450 |
else
|
|
sl@0
|
451 |
{
|
|
sl@0
|
452 |
const TUint offset=(iNl+4)>>2;
|
|
sl@0
|
453 |
Mem::FillZ(iData+offset,(14-offset)*sizeof(TUint));
|
|
sl@0
|
454 |
}
|
|
sl@0
|
455 |
|
|
sl@0
|
456 |
iData[14]=iNh<<3;//number in bits
|
|
sl@0
|
457 |
// this will fail if the total input length is longer than 2^32 in bits
|
|
sl@0
|
458 |
//(2^31 in bytes) which is roughly half a gig.
|
|
sl@0
|
459 |
iData[15]=0;
|
|
sl@0
|
460 |
|
|
sl@0
|
461 |
Block();
|
|
sl@0
|
462 |
//
|
|
sl@0
|
463 |
// Generate hash value into iHash
|
|
sl@0
|
464 |
//
|
|
sl@0
|
465 |
TUint tmp=iA;
|
|
sl@0
|
466 |
iHash[0]=(TUint8)(tmp & 255);
|
|
sl@0
|
467 |
iHash[1]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
468 |
iHash[2]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
469 |
iHash[3]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
470 |
|
|
sl@0
|
471 |
tmp=iB;
|
|
sl@0
|
472 |
iHash[4]=(TUint8)(tmp & 255);
|
|
sl@0
|
473 |
iHash[5]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
474 |
iHash[6]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
475 |
iHash[7]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
476 |
|
|
sl@0
|
477 |
tmp=iC;
|
|
sl@0
|
478 |
iHash[8] =(TUint8)(tmp & 255);
|
|
sl@0
|
479 |
iHash[9] =(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
480 |
iHash[10]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
481 |
iHash[11]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
482 |
|
|
sl@0
|
483 |
tmp=iD;
|
|
sl@0
|
484 |
iHash[12]=(TUint8)(tmp & 255);
|
|
sl@0
|
485 |
iHash[13]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
486 |
iHash[14]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
487 |
iHash[15]=(TUint8)((tmp >>= 8) & 255);
|
|
sl@0
|
488 |
}
|
|
sl@0
|
489 |
|
|
sl@0
|
490 |
void CMD4Impl::RestoreState()
|
|
sl@0
|
491 |
{
|
|
sl@0
|
492 |
iA = iACopy;
|
|
sl@0
|
493 |
iB = iBCopy;
|
|
sl@0
|
494 |
iC = iCCopy;
|
|
sl@0
|
495 |
iD = iDCopy;
|
|
sl@0
|
496 |
iNl = iNlCopy;
|
|
sl@0
|
497 |
iNh = iNhCopy;
|
|
sl@0
|
498 |
Mem::Copy(&iData[0], &iDataCopy[0], KMD4BlockSize*sizeof(TUint));
|
|
sl@0
|
499 |
}
|
|
sl@0
|
500 |
|
|
sl@0
|
501 |
void CMD4Impl::StoreState()
|
|
sl@0
|
502 |
{
|
|
sl@0
|
503 |
iACopy = iA;
|
|
sl@0
|
504 |
iBCopy = iB;
|
|
sl@0
|
505 |
iCCopy = iC;
|
|
sl@0
|
506 |
iDCopy = iD;
|
|
sl@0
|
507 |
iNlCopy = iNl;
|
|
sl@0
|
508 |
iNhCopy = iNh;
|
|
sl@0
|
509 |
Mem::Copy(&iDataCopy[0], &iData[0], KMD4BlockSize*sizeof(TUint));
|
|
sl@0
|
510 |
}
|
|
sl@0
|
511 |
|
|
sl@0
|
512 |
|
|
sl@0
|
513 |
// Implemented in hmacimpl.cpp or softwarehashbase.cpp
|
|
sl@0
|
514 |
// but required as derived from MHash. No coverage here.
|
|
sl@0
|
515 |
#ifdef _BullseyeCoverage
|
|
sl@0
|
516 |
#pragma suppress_warnings on
|
|
sl@0
|
517 |
#pragma BullseyeCoverage off
|
|
sl@0
|
518 |
#pragma suppress_warnings off
|
|
sl@0
|
519 |
#endif
|
|
sl@0
|
520 |
|
|
sl@0
|
521 |
TAny* CMD4Impl::GetExtension(TUid /*aExtensionId*/)
|
|
sl@0
|
522 |
{
|
|
sl@0
|
523 |
return NULL;
|
|
sl@0
|
524 |
}
|
|
sl@0
|
525 |
|
|
sl@0
|
526 |
void CMD4Impl::SetOperationModeL(TUid /*aOperationMode*/)
|
|
sl@0
|
527 |
{
|
|
sl@0
|
528 |
User::Leave(KErrNotSupported);
|
|
sl@0
|
529 |
}
|
|
sl@0
|
530 |
|
|
sl@0
|
531 |
void CMD4Impl::SetKeyL(const CKey& /*aKey*/)
|
|
sl@0
|
532 |
{
|
|
sl@0
|
533 |
User::Leave(KErrNotSupported);
|
|
sl@0
|
534 |
}
|
|
sl@0
|
535 |
|
|
sl@0
|
536 |
|
|
sl@0
|
537 |
|
|
sl@0
|
538 |
|