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/*
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* Copyright (c) 2002-2009 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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*
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*/
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#include "rijndael.h"
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#include "rijndaeltables.h"
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#include "../common/inlines.h"
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#include <cryptostrength.h>
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const TUint KAESKeyBytes128 = 16;
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const TUint KAESKeyBytes192 = 24;
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const TUint KAESKeyBytes256 = 32;
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const TUint KAESBlockBytes = 16;
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/* CRijndael */
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EXPORT_C CRijndael::CRijndael(void)
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{
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}
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void CRijndael::Reset()
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{
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SetKey(*iKey);
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}
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TInt CRijndael::KeySize() const
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{
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return (4*(iRounds+1));
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}
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CRijndael::~CRijndael()
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{
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delete iKey;
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}
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void CRijndael::ConstructL(const TDesC8& aKey)
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{
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TUint keySize = aKey.Size();
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assert((keySize==KAESKeyBytes128)||(keySize==KAESKeyBytes192)||(keySize==KAESKeyBytes256));
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iKey = aKey.AllocL();
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iRounds = keySize/4 + 6;
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SetKey(aKey);
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}
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void CRijndael::SetKey(const TDesC8& aKey)
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{
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TUint keySize = aKey.Size();
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TUint32 temp;
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TUint32* rk = &iK[0];
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TUint i = 0;
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GetUserKeyBigEndian(rk, keySize/4, &aKey[0], keySize);
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switch(keySize)
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{
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case (KAESKeyBytes128):
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{
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FOREVER
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{
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temp = rk[3];
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rk[4] = rk[0] ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^
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RIJNDAEL_TABLE::rcon[i];
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rk[5] = rk[1] ^ rk[4];
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rk[6] = rk[2] ^ rk[5];
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rk[7] = rk[3] ^ rk[6];
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if (++i == 10)
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break;
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rk += 4;
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}
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}
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break;
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case (KAESKeyBytes192):
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{
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FOREVER
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{
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temp = rk[ 5];
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rk[ 6] = rk[ 0] ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^
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RIJNDAEL_TABLE::rcon[i];
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rk[ 7] = rk[ 1] ^ rk[ 6];
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rk[ 8] = rk[ 2] ^ rk[ 7];
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rk[ 9] = rk[ 3] ^ rk[ 8];
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if (++i == 8)
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break;
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rk[10] = rk[ 4] ^ rk[ 9];
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rk[11] = rk[ 5] ^ rk[10];
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rk += 6;
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}
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}
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break;
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case (KAESKeyBytes256):
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{
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FOREVER
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{
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temp = rk[ 7];
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rk[ 8] = rk[ 0] ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^
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RIJNDAEL_TABLE::rcon[i];
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rk[ 9] = rk[ 1] ^ rk[ 8];
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rk[10] = rk[ 2] ^ rk[ 9];
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rk[11] = rk[ 3] ^ rk[10];
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if (++i == 7)
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break;
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temp = rk[11];
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rk[12] = rk[ 4] ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0xff000000) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0x00ff0000) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x0000ff00) ^
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(RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x000000ff);
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rk[13] = rk[ 5] ^ rk[12];
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rk[14] = rk[ 6] ^ rk[13];
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rk[15] = rk[ 7] ^ rk[14];
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rk += 8;
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}
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}
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break;
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default:
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assert(0); // Shouldn't get here, keeps compiler happy
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}
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}
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/* CAESEncryptor */
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EXPORT_C CAESEncryptor* CAESEncryptor::NewL(const TDesC8& aKey)
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{
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CAESEncryptor* me = CAESEncryptor::NewLC(aKey);
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CleanupStack::Pop(me);
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return (me);
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}
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EXPORT_C CAESEncryptor* CAESEncryptor::NewLC(const TDesC8& aKey)
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{
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CAESEncryptor* me = new (ELeave) CAESEncryptor();
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CleanupStack::PushL(me);
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me->ConstructL(aKey);
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TCrypto::IsSymmetricWeakEnoughL(BytesToBits(aKey.Size()));
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return (me);
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}
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TInt CAESEncryptor::BlockSize() const
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{
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return KAESBlockBytes;
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}
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void CAESEncryptor::Transform(TDes8& aBlock)
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{
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assert((TUint)aBlock.Size()==KAESBlockBytes);
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TUint32 s0, s1, s2, s3, t0, t1, t2, t3;
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const TUint32* rk = &iK[0];
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/*
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* map byte array block to cipher state
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* and add initial round key:
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*/
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GetBlockBigEndian((TUint8*)&aBlock[0], s0, s1, s2, s3);
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s0 ^= rk[0];
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s1 ^= rk[1];
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s2 ^= rk[2];
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s3 ^= rk[3];
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/*
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* Nr - 1 full rounds:
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*/
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TUint r = iRounds >> 1;
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FOREVER
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{
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t0 =
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RIJNDAEL_TABLE::Te0[GETBYTE(s0, 3)] ^
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RIJNDAEL_TABLE::Te1[GETBYTE(s1, 2)] ^
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RIJNDAEL_TABLE::Te2[GETBYTE(s2, 1)] ^
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RIJNDAEL_TABLE::Te3[GETBYTE(s3, 0)] ^
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rk[4];
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t1 =
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RIJNDAEL_TABLE::Te0[GETBYTE(s1, 3)] ^
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RIJNDAEL_TABLE::Te1[GETBYTE(s2, 2)] ^
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RIJNDAEL_TABLE::Te2[GETBYTE(s3, 1)] ^
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RIJNDAEL_TABLE::Te3[GETBYTE(s0, 0)] ^
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rk[5];
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t2 =
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RIJNDAEL_TABLE::Te0[GETBYTE(s2, 3)] ^
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RIJNDAEL_TABLE::Te1[GETBYTE(s3, 2)] ^
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RIJNDAEL_TABLE::Te2[GETBYTE(s0, 1)] ^
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RIJNDAEL_TABLE::Te3[GETBYTE(s1, 0)] ^
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rk[6];
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t3 =
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RIJNDAEL_TABLE::Te0[GETBYTE(s3, 3)] ^
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RIJNDAEL_TABLE::Te1[GETBYTE(s0, 2)] ^
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RIJNDAEL_TABLE::Te2[GETBYTE(s1, 1)] ^
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RIJNDAEL_TABLE::Te3[GETBYTE(s2, 0)] ^
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rk[7];
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rk += 8;
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if (--r == 0)
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break;
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s0 =
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RIJNDAEL_TABLE::Te0[GETBYTE(t0, 3)] ^
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RIJNDAEL_TABLE::Te1[GETBYTE(t1, 2)] ^
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RIJNDAEL_TABLE::Te2[GETBYTE(t2, 1)] ^
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RIJNDAEL_TABLE::Te3[GETBYTE(t3, 0)] ^
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rk[0];
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s1 =
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RIJNDAEL_TABLE::Te0[GETBYTE(t1, 3)] ^
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RIJNDAEL_TABLE::Te1[GETBYTE(t2, 2)] ^
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RIJNDAEL_TABLE::Te2[GETBYTE(t3, 1)] ^
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RIJNDAEL_TABLE::Te3[GETBYTE(t0, 0)] ^
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rk[1];
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s2 =
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RIJNDAEL_TABLE::Te0[GETBYTE(t2, 3)] ^
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RIJNDAEL_TABLE::Te1[GETBYTE(t3, 2)] ^
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RIJNDAEL_TABLE::Te2[GETBYTE(t0, 1)] ^
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RIJNDAEL_TABLE::Te3[GETBYTE(t1, 0)] ^
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rk[2];
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s3 =
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RIJNDAEL_TABLE::Te0[GETBYTE(t3, 3)] ^
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RIJNDAEL_TABLE::Te1[GETBYTE(t0, 2)] ^
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RIJNDAEL_TABLE::Te2[GETBYTE(t1, 1)] ^
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sl@0
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RIJNDAEL_TABLE::Te3[GETBYTE(t2, 0)] ^
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rk[3];
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}
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/*
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* apply last round and
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* map cipher state to byte array block:
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*/
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sl@0
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s0 =
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(RIJNDAEL_TABLE::Te4[GETBYTE(t0, 3)] & 0xff000000) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t1, 2)] & 0x00ff0000) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t2, 1)] & 0x0000ff00) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t3, 0)] & 0x000000ff) ^
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rk[0];
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s1 =
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(RIJNDAEL_TABLE::Te4[GETBYTE(t1, 3)] & 0xff000000) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t2, 2)] & 0x00ff0000) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t3, 1)] & 0x0000ff00) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t0, 0)] & 0x000000ff) ^
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rk[1];
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s2 =
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(RIJNDAEL_TABLE::Te4[GETBYTE(t2, 3)] & 0xff000000) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t3, 2)] & 0x00ff0000) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t0, 1)] & 0x0000ff00) ^
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sl@0
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(RIJNDAEL_TABLE::Te4[GETBYTE(t1, 0)] & 0x000000ff) ^
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sl@0
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rk[2];
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sl@0
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s3 =
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(RIJNDAEL_TABLE::Te4[GETBYTE(t3, 3)] & 0xff000000) ^
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sl@0
|
274 |
(RIJNDAEL_TABLE::Te4[GETBYTE(t0, 2)] & 0x00ff0000) ^
|
|
sl@0
|
275 |
(RIJNDAEL_TABLE::Te4[GETBYTE(t1, 1)] & 0x0000ff00) ^
|
|
sl@0
|
276 |
(RIJNDAEL_TABLE::Te4[GETBYTE(t2, 0)] & 0x000000ff) ^
|
|
sl@0
|
277 |
rk[3];
|
|
sl@0
|
278 |
|
|
sl@0
|
279 |
PutBlockBigEndian((TUint8*)&aBlock[0], s0, s1, s2, s3);
|
|
sl@0
|
280 |
}
|
|
sl@0
|
281 |
|
|
sl@0
|
282 |
CAESEncryptor::CAESEncryptor(void)
|
|
sl@0
|
283 |
{
|
|
sl@0
|
284 |
}
|
|
sl@0
|
285 |
|
|
sl@0
|
286 |
/* CAESDecryptor */
|
|
sl@0
|
287 |
EXPORT_C CAESDecryptor* CAESDecryptor::NewL(const TDesC8& aKey)
|
|
sl@0
|
288 |
{
|
|
sl@0
|
289 |
CAESDecryptor* me = CAESDecryptor::NewLC(aKey);
|
|
sl@0
|
290 |
CleanupStack::Pop(me);
|
|
sl@0
|
291 |
return (me);
|
|
sl@0
|
292 |
}
|
|
sl@0
|
293 |
|
|
sl@0
|
294 |
|
|
sl@0
|
295 |
EXPORT_C CAESDecryptor* CAESDecryptor::NewLC(const TDesC8& aKey)
|
|
sl@0
|
296 |
{
|
|
sl@0
|
297 |
CAESDecryptor* me = new (ELeave) CAESDecryptor();
|
|
sl@0
|
298 |
CleanupStack::PushL(me);
|
|
sl@0
|
299 |
me->ConstructL(aKey);
|
|
sl@0
|
300 |
TCrypto::IsSymmetricWeakEnoughL(BytesToBits(aKey.Size()));
|
|
sl@0
|
301 |
return (me);
|
|
sl@0
|
302 |
}
|
|
sl@0
|
303 |
|
|
sl@0
|
304 |
TInt CAESDecryptor::BlockSize() const
|
|
sl@0
|
305 |
{
|
|
sl@0
|
306 |
return KAESBlockBytes;
|
|
sl@0
|
307 |
}
|
|
sl@0
|
308 |
|
|
sl@0
|
309 |
void CAESDecryptor::Transform(TDes8& aBlock)
|
|
sl@0
|
310 |
{
|
|
sl@0
|
311 |
TUint32 s0, s1, s2, s3, t0, t1, t2, t3;
|
|
sl@0
|
312 |
const TUint32* rk = &iK[0];
|
|
sl@0
|
313 |
|
|
sl@0
|
314 |
/*
|
|
sl@0
|
315 |
* map byte array block to cipher state
|
|
sl@0
|
316 |
* and add initial round key:
|
|
sl@0
|
317 |
*/
|
|
sl@0
|
318 |
GetBlockBigEndian((TUint8*)&aBlock[0], s0, s1, s2, s3);
|
|
sl@0
|
319 |
|
|
sl@0
|
320 |
s0 ^= rk[0];
|
|
sl@0
|
321 |
s1 ^= rk[1];
|
|
sl@0
|
322 |
s2 ^= rk[2];
|
|
sl@0
|
323 |
s3 ^= rk[3];
|
|
sl@0
|
324 |
/*
|
|
sl@0
|
325 |
* Nr - 1 full rounds:
|
|
sl@0
|
326 |
*/
|
|
sl@0
|
327 |
TUint r = iRounds >> 1;
|
|
sl@0
|
328 |
FOREVER
|
|
sl@0
|
329 |
{
|
|
sl@0
|
330 |
t0 =
|
|
sl@0
|
331 |
RIJNDAEL_TABLE::Td0[GETBYTE(s0, 3)] ^
|
|
sl@0
|
332 |
RIJNDAEL_TABLE::Td1[GETBYTE(s3, 2)] ^
|
|
sl@0
|
333 |
RIJNDAEL_TABLE::Td2[GETBYTE(s2, 1)] ^
|
|
sl@0
|
334 |
RIJNDAEL_TABLE::Td3[GETBYTE(s1, 0)] ^
|
|
sl@0
|
335 |
rk[4];
|
|
sl@0
|
336 |
t1 =
|
|
sl@0
|
337 |
RIJNDAEL_TABLE::Td0[GETBYTE(s1, 3)] ^
|
|
sl@0
|
338 |
RIJNDAEL_TABLE::Td1[GETBYTE(s0, 2)] ^
|
|
sl@0
|
339 |
RIJNDAEL_TABLE::Td2[GETBYTE(s3, 1)] ^
|
|
sl@0
|
340 |
RIJNDAEL_TABLE::Td3[GETBYTE(s2, 0)] ^
|
|
sl@0
|
341 |
rk[5];
|
|
sl@0
|
342 |
t2 =
|
|
sl@0
|
343 |
RIJNDAEL_TABLE::Td0[GETBYTE(s2, 3)] ^
|
|
sl@0
|
344 |
RIJNDAEL_TABLE::Td1[GETBYTE(s1, 2)] ^
|
|
sl@0
|
345 |
RIJNDAEL_TABLE::Td2[GETBYTE(s0, 1)] ^
|
|
sl@0
|
346 |
RIJNDAEL_TABLE::Td3[GETBYTE(s3, 0)] ^
|
|
sl@0
|
347 |
rk[6];
|
|
sl@0
|
348 |
t3 =
|
|
sl@0
|
349 |
RIJNDAEL_TABLE::Td0[GETBYTE(s3, 3)] ^
|
|
sl@0
|
350 |
RIJNDAEL_TABLE::Td1[GETBYTE(s2, 2)] ^
|
|
sl@0
|
351 |
RIJNDAEL_TABLE::Td2[GETBYTE(s1, 1)] ^
|
|
sl@0
|
352 |
RIJNDAEL_TABLE::Td3[GETBYTE(s0, 0)] ^
|
|
sl@0
|
353 |
rk[7];
|
|
sl@0
|
354 |
|
|
sl@0
|
355 |
rk += 8;
|
|
sl@0
|
356 |
if (--r == 0)
|
|
sl@0
|
357 |
break;
|
|
sl@0
|
358 |
|
|
sl@0
|
359 |
s0 =
|
|
sl@0
|
360 |
RIJNDAEL_TABLE::Td0[GETBYTE(t0, 3)] ^
|
|
sl@0
|
361 |
RIJNDAEL_TABLE::Td1[GETBYTE(t3, 2)] ^
|
|
sl@0
|
362 |
RIJNDAEL_TABLE::Td2[GETBYTE(t2, 1)] ^
|
|
sl@0
|
363 |
RIJNDAEL_TABLE::Td3[GETBYTE(t1, 0)] ^
|
|
sl@0
|
364 |
rk[0];
|
|
sl@0
|
365 |
s1 =
|
|
sl@0
|
366 |
RIJNDAEL_TABLE::Td0[GETBYTE(t1, 3)] ^
|
|
sl@0
|
367 |
RIJNDAEL_TABLE::Td1[GETBYTE(t0, 2)] ^
|
|
sl@0
|
368 |
RIJNDAEL_TABLE::Td2[GETBYTE(t3, 1)] ^
|
|
sl@0
|
369 |
RIJNDAEL_TABLE::Td3[GETBYTE(t2, 0)] ^
|
|
sl@0
|
370 |
rk[1];
|
|
sl@0
|
371 |
s2 =
|
|
sl@0
|
372 |
RIJNDAEL_TABLE::Td0[GETBYTE(t2, 3)] ^
|
|
sl@0
|
373 |
RIJNDAEL_TABLE::Td1[GETBYTE(t1, 2)] ^
|
|
sl@0
|
374 |
RIJNDAEL_TABLE::Td2[GETBYTE(t0, 1)] ^
|
|
sl@0
|
375 |
RIJNDAEL_TABLE::Td3[GETBYTE(t3, 0)] ^
|
|
sl@0
|
376 |
rk[2];
|
|
sl@0
|
377 |
s3 =
|
|
sl@0
|
378 |
RIJNDAEL_TABLE::Td0[GETBYTE(t3, 3)] ^
|
|
sl@0
|
379 |
RIJNDAEL_TABLE::Td1[GETBYTE(t2, 2)] ^
|
|
sl@0
|
380 |
RIJNDAEL_TABLE::Td2[GETBYTE(t1, 1)] ^
|
|
sl@0
|
381 |
RIJNDAEL_TABLE::Td3[GETBYTE(t0, 0)] ^
|
|
sl@0
|
382 |
rk[3];
|
|
sl@0
|
383 |
}
|
|
sl@0
|
384 |
/*
|
|
sl@0
|
385 |
* apply last round and
|
|
sl@0
|
386 |
* map cipher state to byte array block:
|
|
sl@0
|
387 |
*/
|
|
sl@0
|
388 |
s0 =
|
|
sl@0
|
389 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t0, 3)] & 0xff000000) ^
|
|
sl@0
|
390 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t3, 2)] & 0x00ff0000) ^
|
|
sl@0
|
391 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t2, 1)] & 0x0000ff00) ^
|
|
sl@0
|
392 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t1, 0)] & 0x000000ff) ^
|
|
sl@0
|
393 |
rk[0];
|
|
sl@0
|
394 |
s1 =
|
|
sl@0
|
395 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t1, 3)] & 0xff000000) ^
|
|
sl@0
|
396 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t0, 2)] & 0x00ff0000) ^
|
|
sl@0
|
397 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t3, 1)] & 0x0000ff00) ^
|
|
sl@0
|
398 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t2, 0)] & 0x000000ff) ^
|
|
sl@0
|
399 |
rk[1];
|
|
sl@0
|
400 |
s2 =
|
|
sl@0
|
401 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t2, 3)] & 0xff000000) ^
|
|
sl@0
|
402 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t1, 2)] & 0x00ff0000) ^
|
|
sl@0
|
403 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t0, 1)] & 0x0000ff00) ^
|
|
sl@0
|
404 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t3, 0)] & 0x000000ff) ^
|
|
sl@0
|
405 |
rk[2];
|
|
sl@0
|
406 |
s3 =
|
|
sl@0
|
407 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t3, 3)] & 0xff000000) ^
|
|
sl@0
|
408 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t2, 2)] & 0x00ff0000) ^
|
|
sl@0
|
409 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t1, 1)] & 0x0000ff00) ^
|
|
sl@0
|
410 |
(RIJNDAEL_TABLE::Td4[GETBYTE(t0, 0)] & 0x000000ff) ^
|
|
sl@0
|
411 |
rk[3];
|
|
sl@0
|
412 |
|
|
sl@0
|
413 |
|
|
sl@0
|
414 |
PutBlockBigEndian((TUint8*)&aBlock[0], s0, s1, s2, s3);
|
|
sl@0
|
415 |
}
|
|
sl@0
|
416 |
|
|
sl@0
|
417 |
|
|
sl@0
|
418 |
void CAESDecryptor::SetKey(const TDesC8& aKey)
|
|
sl@0
|
419 |
{
|
|
sl@0
|
420 |
CRijndael::SetKey(aKey);
|
|
sl@0
|
421 |
|
|
sl@0
|
422 |
TUint i, j;
|
|
sl@0
|
423 |
TUint32* rk = &iK[0];
|
|
sl@0
|
424 |
TUint32 temp;
|
|
sl@0
|
425 |
|
|
sl@0
|
426 |
// invert the order of the round keys
|
|
sl@0
|
427 |
for (i = 0, j = 4*iRounds; i < j; i += 4, j -= 4)
|
|
sl@0
|
428 |
{
|
|
sl@0
|
429 |
temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
|
|
sl@0
|
430 |
temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
|
|
sl@0
|
431 |
temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
|
|
sl@0
|
432 |
temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
|
|
sl@0
|
433 |
}
|
|
sl@0
|
434 |
|
|
sl@0
|
435 |
// apply the inverse MixColumn transform to all round keys but the first and the last
|
|
sl@0
|
436 |
for (i = 1; i < iRounds; i++)
|
|
sl@0
|
437 |
{
|
|
sl@0
|
438 |
rk += 4;
|
|
sl@0
|
439 |
rk[0] =
|
|
sl@0
|
440 |
RIJNDAEL_TABLE::Td0[RIJNDAEL_TABLE::Te4[GETBYTE(rk[0], 3)] & 0xff] ^
|
|
sl@0
|
441 |
RIJNDAEL_TABLE::Td1[RIJNDAEL_TABLE::Te4[GETBYTE(rk[0], 2)] & 0xff] ^
|
|
sl@0
|
442 |
RIJNDAEL_TABLE::Td2[RIJNDAEL_TABLE::Te4[GETBYTE(rk[0], 1)] & 0xff] ^
|
|
sl@0
|
443 |
RIJNDAEL_TABLE::Td3[RIJNDAEL_TABLE::Te4[GETBYTE(rk[0], 0)] & 0xff];
|
|
sl@0
|
444 |
rk[1] =
|
|
sl@0
|
445 |
RIJNDAEL_TABLE::Td0[RIJNDAEL_TABLE::Te4[GETBYTE(rk[1], 3)] & 0xff] ^
|
|
sl@0
|
446 |
RIJNDAEL_TABLE::Td1[RIJNDAEL_TABLE::Te4[GETBYTE(rk[1], 2)] & 0xff] ^
|
|
sl@0
|
447 |
RIJNDAEL_TABLE::Td2[RIJNDAEL_TABLE::Te4[GETBYTE(rk[1], 1)] & 0xff] ^
|
|
sl@0
|
448 |
RIJNDAEL_TABLE::Td3[RIJNDAEL_TABLE::Te4[GETBYTE(rk[1], 0)] & 0xff];
|
|
sl@0
|
449 |
rk[2] =
|
|
sl@0
|
450 |
RIJNDAEL_TABLE::Td0[RIJNDAEL_TABLE::Te4[GETBYTE(rk[2], 3)] & 0xff] ^
|
|
sl@0
|
451 |
RIJNDAEL_TABLE::Td1[RIJNDAEL_TABLE::Te4[GETBYTE(rk[2], 2)] & 0xff] ^
|
|
sl@0
|
452 |
RIJNDAEL_TABLE::Td2[RIJNDAEL_TABLE::Te4[GETBYTE(rk[2], 1)] & 0xff] ^
|
|
sl@0
|
453 |
RIJNDAEL_TABLE::Td3[RIJNDAEL_TABLE::Te4[GETBYTE(rk[2], 0)] & 0xff];
|
|
sl@0
|
454 |
rk[3] =
|
|
sl@0
|
455 |
RIJNDAEL_TABLE::Td0[RIJNDAEL_TABLE::Te4[GETBYTE(rk[3], 3)] & 0xff] ^
|
|
sl@0
|
456 |
RIJNDAEL_TABLE::Td1[RIJNDAEL_TABLE::Te4[GETBYTE(rk[3], 2)] & 0xff] ^
|
|
sl@0
|
457 |
RIJNDAEL_TABLE::Td2[RIJNDAEL_TABLE::Te4[GETBYTE(rk[3], 1)] & 0xff] ^
|
|
sl@0
|
458 |
RIJNDAEL_TABLE::Td3[RIJNDAEL_TABLE::Te4[GETBYTE(rk[3], 0)] & 0xff];
|
|
sl@0
|
459 |
}
|
|
sl@0
|
460 |
}
|
|
sl@0
|
461 |
|
|
sl@0
|
462 |
CAESDecryptor::CAESDecryptor()
|
|
sl@0
|
463 |
{
|
|
sl@0
|
464 |
}
|