diff -r 641f389e9157 -r a71299154b21 crypto/weakcrypto/source/hash/md2.cpp --- a/crypto/weakcrypto/source/hash/md2.cpp Tue Aug 31 17:00:08 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,256 +0,0 @@ -/* -* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of the License "Eclipse Public License v1.0" -* which accompanies this distribution, and is available -* at the URL "http://www.eclipse.org/legal/epl-v10.html". -* -* Initial Contributors: -* Nokia Corporation - initial contribution. -* -* Contributors: -* -* Description: -* (c) 2003 Symbian Ltd. All rights reserved. -* -*/ - - -/** - @file -*/ - -#include -#include - -#define EXPANDLOOP - -// -// 32bit endianness independent MD2 implementation -// -CMD2::CMD2(void) -: CMessageDigest(),iHash(MD2_HASH) - { - } -CMD2::CMD2(const CMD2& aMD) -: CMessageDigest(aMD),iHash(aMD.iHash),iNum(aMD.iNum) - { - (void)Mem::Copy(iData,aMD.iData,sizeof(iData)); - (void)Mem::Copy(iChecksum,aMD.iChecksum,sizeof(iChecksum)); - (void)Mem::Copy(iState,aMD.iState,sizeof(iState)); - } -EXPORT_C CMD2* CMD2::NewL(void) - { - return (new(ELeave) CMD2); - } -EXPORT_C CMessageDigest* CMD2::ReplicateL(void) - { - return NewL(); - } -EXPORT_C CMD2::~CMD2(void) - { - } - -EXPORT_C TPtrC8 CMD2::Hash(const TDesC8& aMessage) - { - TPtrC8 ptr(KNullDesC8()); - DoUpdate(aMessage.Ptr(),aMessage.Size()); - StoreState(); - DoFinal(); - ptr.Set(iHash); - RestoreState(); - return ptr; - } - -EXPORT_C CMessageDigest* CMD2::CopyL(void) - { - return new(ELeave) CMD2(*this); - } -EXPORT_C TInt CMD2::BlockSize(void) - { - return sizeof(iData); - } -EXPORT_C TInt CMD2::HashSize(void) - { - return MD2_HASH; - } -EXPORT_C void CMD2::Reset(void) - { - Mem::FillZ(iData,sizeof(iData)); - Mem::FillZ(iChecksum,sizeof(iChecksum)); - Mem::FillZ(iState,sizeof(iState)); - iNum=0; - } - -EXPORT_C void CMD2::Update(const TDesC8& aMessage) - { - DoUpdate(aMessage.Ptr(),aMessage.Size()); - } - -EXPORT_C TPtrC8 CMD2::Final(const TDesC8& aMessage) - { - TPtrC8 ptr(KNullDesC8()); - DoUpdate(aMessage.Ptr(),aMessage.Size()); - DoFinal(); - ptr.Set(iHash); - Reset(); - return ptr; - } - -EXPORT_C TPtrC8 CMD2::Final() - { - TPtrC8 ptr(KNullDesC8()); - DoFinal(); - ptr.Set(iHash); - Reset(); - return ptr; - } - -void CMD2::DoUpdate(const TUint8* aData,TUint aLength) - { - TBool carryOn=ETrue; - if (iNum) - { - if (iNum+aLength>=(TUint)MD2_BLOCK) - { - const TUint temp=MD2_BLOCK-iNum; - (void)Mem::Copy(iData+iNum,aData,temp); - Block(iData); - aData+=temp; - aLength-=temp; - iNum=0; - } - else - { - (void)Mem::Copy(iData+iNum,aData,aLength); - iNum+=aLength; - carryOn=EFalse; - } - } - // processing by block of MD2_BLOCK - if (carryOn) - { - while (aLength>=(TUint)MD2_BLOCK) - { - Block(aData); - aData+=MD2_BLOCK; - aLength-=MD2_BLOCK; - } - (void)Mem::Copy(iData,aData,aLength); - iNum=aLength; - } - } -static inline TUint CMD2_S(TUint& elt,TUint8 val) - { - return elt^=val; - } -// -// data must be MD2_BLOCK bytes long -// -void CMD2::Block(const TUint8* data) - { - static const TUint8 S[256]={ - 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, - 0x3D, 0x36, 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, - 0x62, 0xA7, 0x05, 0xF3, 0xC0, 0xC7, 0x73, 0x8C, - 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C, 0x82, 0xCA, - 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16, - 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, - 0xBE, 0x4E, 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, - 0xA0, 0xFB, 0xF5, 0x8E, 0xBB, 0x2F, 0xEE, 0x7A, - 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2, 0x07, 0x3F, - 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21, - 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, - 0x35, 0x3E, 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, - 0xFF, 0x19, 0x30, 0xB3, 0x48, 0xA5, 0xB5, 0xD1, - 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56, 0xAA, 0xC6, - 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6, - 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, - 0x45, 0x9D, 0x70, 0x59, 0x64, 0x71, 0x87, 0x20, - 0x86, 0x5B, 0xCF, 0x65, 0xE6, 0x2D, 0xA8, 0x02, - 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0, 0xB9, 0xF6, - 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F, - 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, - 0xC3, 0x5C, 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, - 0x2C, 0x53, 0x0D, 0x6E, 0x85, 0x28, 0x84, 0x09, - 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81, 0x4D, 0x52, - 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA, - 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, - 0x78, 0x88, 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, - 0xE9, 0xCB, 0xD5, 0xFE, 0x3B, 0x00, 0x1D, 0x39, - 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58, 0xD0, 0xE4, - 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A, - 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, - 0xDB, 0x99, 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14, - }; - TUint state[MD2_BLOCK*3]; - TUint j=iChecksum[MD2_BLOCK-1]; - TUint i=0,temp=0; - while (i<(TUint)MD2_BLOCK) - { - const TUint tempState=iState[i]; - temp=data[i]; - state[i]=tempState; - state[i+16]=temp; - state[i+32]=temp^tempState; - j=CMD2_S(iChecksum[i++],S[temp^j]); - } - temp=0; - TUint* pstate=state; - const TUint *pend=state+(MD2_BLOCK*3); - for (i=0; i<18; i++) - { - while (pstate0) - Mem::Fill(iData+iNum,(TUint8)pad,pad); - Block(iData); - - TUint8* pData=iData; - const TUint8* pEnd=iData+MD2_BLOCK; - const TUint* pChecksum=iChecksum; - while (pData