--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/symmetric/rijndael.cpp Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,225 @@
+/*
+* Copyright (c) 2002-2009 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:
+*
+*/
+
+
+#include "rijndael.h"
+#include "rijndaelshim.h"
+#include "rijndaeltables.h"
+#include "../common/inlines.h"
+#include <cryptostrength.h>
+
+const TUint KAESKeyBytes128 = 16;
+const TUint KAESKeyBytes192 = 24;
+const TUint KAESKeyBytes256 = 32;
+const TUint KAESBlockBytes = 16;
+
+/* CRijndael */
+EXPORT_C CRijndael::CRijndael(void)
+ {
+ }
+
+void CRijndael::Reset()
+ {
+ // CRijndael is externally derivable. Don't delete this code
+ SetKey(*iKey);
+ }
+
+TInt CRijndael::KeySize() const
+ {
+ // CRijndael is externally derivable. Don't delete this code
+ return (4*(iRounds+1));
+ }
+
+EXPORT_C CRijndael::~CRijndael()
+ {
+ // CRijndael is externally derivable. Don't delete this code
+ delete iKey;
+ }
+
+void CRijndael::ConstructL(const TDesC8& aKey)
+ {
+ // CRijndael is externally derivable. Don't delete this code
+ TUint keySize = aKey.Size();
+ assert((keySize==KAESKeyBytes128)||(keySize==KAESKeyBytes192)||(keySize==KAESKeyBytes256));
+ iKey = aKey.AllocL();
+ iRounds = keySize/4 + 6;
+ SetKey(aKey);
+ }
+
+void CRijndael::SetKey(const TDesC8& aKey)
+ {
+ // CRijndael is externally derivable. Don't delete this code
+ TUint keySize = aKey.Size();
+ TUint32 temp;
+ TUint32* rk = &iK[0];
+
+ TUint i = 0;
+
+ GetUserKeyBigEndian(rk, keySize/4, &aKey[0], keySize);
+
+ switch(keySize)
+ {
+ case (KAESKeyBytes128):
+ {
+ FOREVER
+ {
+ temp = rk[3];
+ rk[4] = rk[0] ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^
+ RIJNDAEL_TABLE::rcon[i];
+ rk[5] = rk[1] ^ rk[4];
+ rk[6] = rk[2] ^ rk[5];
+ rk[7] = rk[3] ^ rk[6];
+ if (++i == 10)
+ break;
+ rk += 4;
+ }
+ }
+ break;
+
+ case (KAESKeyBytes192):
+ {
+ FOREVER
+ {
+ temp = rk[ 5];
+ rk[ 6] = rk[ 0] ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^
+ RIJNDAEL_TABLE::rcon[i];
+ rk[ 7] = rk[ 1] ^ rk[ 6];
+ rk[ 8] = rk[ 2] ^ rk[ 7];
+ rk[ 9] = rk[ 3] ^ rk[ 8];
+ if (++i == 8)
+ break;
+ rk[10] = rk[ 4] ^ rk[ 9];
+ rk[11] = rk[ 5] ^ rk[10];
+ rk += 6;
+ }
+ }
+ break;
+
+ case (KAESKeyBytes256):
+ {
+ FOREVER
+ {
+ temp = rk[ 7];
+ rk[ 8] = rk[ 0] ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0xff000000) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x00ff0000) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x0000ff00) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0x000000ff) ^
+ RIJNDAEL_TABLE::rcon[i];
+ rk[ 9] = rk[ 1] ^ rk[ 8];
+ rk[10] = rk[ 2] ^ rk[ 9];
+ rk[11] = rk[ 3] ^ rk[10];
+ if (++i == 7)
+ break;
+ temp = rk[11];
+ rk[12] = rk[ 4] ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 3)] & 0xff000000) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 2)] & 0x00ff0000) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 1)] & 0x0000ff00) ^
+ (RIJNDAEL_TABLE::Te4[GETBYTE(temp, 0)] & 0x000000ff);
+ rk[13] = rk[ 5] ^ rk[12];
+ rk[14] = rk[ 6] ^ rk[13];
+ rk[15] = rk[ 7] ^ rk[14];
+
+ rk += 8;
+ }
+ }
+ break;
+
+ default:
+ assert(0); // Shouldn't get here, keeps compiler happy
+ }
+ }
+
+
+/* CAESEncryptor */
+EXPORT_C CAESEncryptor* CAESEncryptor::NewL(const TDesC8& aKey)
+ {
+ return CAESEncryptorShim::NewL(aKey);
+ }
+
+EXPORT_C CAESEncryptor* CAESEncryptor::NewLC(const TDesC8& aKey)
+ {
+ return CAESEncryptorShim::NewLC(aKey);
+ }
+
+CAESEncryptor::CAESEncryptor()
+ {
+ }
+
+/* CAESDecryptor */
+EXPORT_C CAESDecryptor* CAESDecryptor::NewL(const TDesC8& aKey)
+ {
+ return CAESDecryptorShim::NewL(aKey);
+ }
+
+EXPORT_C CAESDecryptor* CAESDecryptor::NewLC(const TDesC8& aKey)
+ {
+ return CAESDecryptorShim::NewLC(aKey);
+ }
+
+CAESDecryptor::CAESDecryptor()
+ {
+ }
+
+// All these methods have been replaced by the shim
+#ifdef _BullseyeCoverage
+#pragma suppress_warnings on
+#pragma BullseyeCoverage off
+#pragma suppress_warnings off
+#endif
+
+TInt CAESDecryptor::BlockSize() const
+ {
+ // Method replaced by shim
+ ASSERT(EFalse);
+ return 0;
+ }
+
+void CAESDecryptor::Transform(TDes8& /*aBlock*/)
+ {
+ // Method replaced by shim
+ ASSERT(EFalse);
+ }
+
+void CAESDecryptor::SetKey(const TDesC8& /*aKey*/)
+ {
+ // Method replaced by shim
+ ASSERT(EFalse);
+ }
+
+TInt CAESEncryptor::BlockSize() const
+ {
+ // Method replaced by shim
+ ASSERT(EFalse);
+ return KAESBlockBytes;
+ }
+
+void CAESEncryptor::Transform(TDes8& /*aBlock*/)
+ {
+ // Method replaced by shim
+ ASSERT(EFalse);
+ }
+