--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcrypto/source/symmetric/des.inl	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,76 @@
+/*
+* Copyright (c) 2003-2009 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: 
+*
+*/
+
+
+#ifndef __DES_INL__
+#define __DES_INL__
+
+inline void IPerm(TUint32& left, TUint32& right)
+	{
+	TUint32 work;
+
+	right = rotlFixed(right, 4U);
+	work = (left ^ right) & 0xf0f0f0f0;
+	left ^= work;
+	right = rotrFixed(right^work, 20U);
+	work = (left ^ right) & 0xffff0000;
+	left ^= work;
+	right = rotrFixed(right^work, 18U);
+	work = (left ^ right) & 0x33333333;
+	left ^= work;
+	right = rotrFixed(right^work, 6U);
+	work = (left ^ right) & 0x00ff00ff;
+	left ^= work;
+	right = rotlFixed(right^work, 9U);
+	work = (left ^ right) & 0xaaaaaaaa;
+	left = rotlFixed(left^work, 1U);
+	right ^= work;
+	}
+
+inline void FPerm(TUint32& left, TUint32& right)
+	{
+	TUint32 work;
+
+	right = rotrFixed(right, 1U);
+	work = (left ^ right) & 0xaaaaaaaa;
+	right ^= work;
+	left = rotrFixed(left^work, 9U);
+	work = (left ^ right) & 0x00ff00ff;
+	right ^= work;
+	left = rotlFixed(left^work, 6U);
+	work = (left ^ right) & 0x33333333;
+	right ^= work;
+	left = rotlFixed(left^work, 18U);
+	work = (left ^ right) & 0xffff0000;
+	right ^= work;
+	left = rotlFixed(left^work, 20U);
+	work = (left ^ right) & 0xf0f0f0f0;
+	right ^= work;
+	left = rotrFixed(left^work, 4U);
+	}
+
+inline void ReverseKeySchedule(TUint32* aKey)
+	{
+	TInt i = 0;
+	for (; i<16; i+=2)
+		{
+		TClassSwap((*(aKey+i)), (*(aKey+(32-2-i))));
+		TClassSwap((*(aKey+i+1)), (*(aKey+(32-1-i))));
+		}
+	}
+
+#endif //__DES_INL__