/*+
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* Copyright (c) 2003-2009 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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+
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+
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#ifndef __DES_INL__+
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#define __DES_INL__+
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+
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inline void IPerm(TUint32& left, TUint32& right)+
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	{+
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	TUint32 work;+
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+
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	right = rotlFixed(right, 4U);+
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	work = (left ^ right) & 0xf0f0f0f0;+
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	left ^= work;+
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	right = rotrFixed(right^work, 20U);+
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	work = (left ^ right) & 0xffff0000;+
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	left ^= work;+
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	right = rotrFixed(right^work, 18U);+
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	work = (left ^ right) & 0x33333333;+
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	left ^= work;+
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	right = rotrFixed(right^work, 6U);+
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	work = (left ^ right) & 0x00ff00ff;+
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	left ^= work;+
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	right = rotlFixed(right^work, 9U);+
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	work = (left ^ right) & 0xaaaaaaaa;+
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	left = rotlFixed(left^work, 1U);+
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	right ^= work;+
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	}+
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+
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inline void FPerm(TUint32& left, TUint32& right)+
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	{+
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	TUint32 work;+
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+
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	right = rotrFixed(right, 1U);+
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	work = (left ^ right) & 0xaaaaaaaa;+
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	right ^= work;+
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	left = rotrFixed(left^work, 9U);+
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	work = (left ^ right) & 0x00ff00ff;+
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	right ^= work;+
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	left = rotlFixed(left^work, 6U);+
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	work = (left ^ right) & 0x33333333;+
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	right ^= work;+
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	left = rotlFixed(left^work, 18U);+
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	work = (left ^ right) & 0xffff0000;+
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	right ^= work;+
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	left = rotlFixed(left^work, 20U);+
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	work = (left ^ right) & 0xf0f0f0f0;+
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	right ^= work;+
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	left = rotrFixed(left^work, 4U);+
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	}+
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+
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inline void ReverseKeySchedule(TUint32* aKey)+
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	{+
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	TInt i = 0;+
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	for (; i<16; i+=2)+
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		{+
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		TClassSwap((*(aKey+i)), (*(aKey+(32-2-i))));+
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		TClassSwap((*(aKey+i+1)), (*(aKey+(32-1-i))));+
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		}+
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	}+
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+
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#endif //__DES_INL__+
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