backupandrestore/backupengine/src/sbencryptimpl.cpp
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201044_04
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// Copyright (c) 2004-2009 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 "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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// Implementation of CSecureBURKeySourceImpl
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// 
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//
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/**
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 @file
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*/
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#include "sbencryptimpl.h"
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#include "OstTraceDefinitions.h"
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#include "sbtrace.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "sbencryptimplTraces.h"
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#endif
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// If you want this code to actually test encryption then uncomment the next line
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//#define __TEST_ENCRYPTION__
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namespace conn
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	{
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	/**
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	Symbian OS constructor
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	*/
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    CSecureBURKeySourceImpl* CSecureBURKeySourceImpl::NewL()
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    	{
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    	OstTraceFunctionEntry0( CSECUREBURKEYSOURCEIMPL_NEWL_ENTRY );
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    	CSecureBURKeySourceImpl* pSelf = new(ELeave) CSecureBURKeySourceImpl();
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    	OstTraceFunctionExit0( CSECUREBURKEYSOURCEIMPL_NEWL_EXIT );
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    	return pSelf;
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    	}
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    /**
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    Standard C++ constructor 
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    */
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    CSecureBURKeySourceImpl::CSecureBURKeySourceImpl()
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    	{
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    	OstTraceFunctionEntry0( CSECUREBURKEYSOURCEIMPL_CSECUREBURKEYSOURCEIMPL_CONS_ENTRY );
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    	OstTraceFunctionExit0( CSECUREBURKEYSOURCEIMPL_CSECUREBURKEYSOURCEIMPL_CONS_EXIT );
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    	}
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    /**
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    Standard C++ destructor
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    */
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    CSecureBURKeySourceImpl::~CSecureBURKeySourceImpl()
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    	{
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    	OstTraceFunctionEntry0( CSECUREBURKEYSOURCEIMPL_CSECUREBURKEYSOURCEIMPL_DES_ENTRY );
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    	OstTraceFunctionExit0( CSECUREBURKEYSOURCEIMPL_CSECUREBURKEYSOURCEIMPL_DES_EXIT );
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    	}
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	/**
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	See sbencrypt.h
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	*/
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    void CSecureBURKeySourceImpl::GetDefaultBufferForBackupL(TDriveNumber /*aDrive*/, 
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    														 TBool& aGotBuffer, 
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    														 TDes& /*aBuffer*/)
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    	{
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    	OstTraceFunctionEntry0( CSECUREBURKEYSOURCEIMPL_GETDEFAULTBUFFERFORBACKUPL_ENTRY );
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    	#ifdef __TEST_ENCRYPTION__
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    		_LIT(KTestBuffer, "TEST_BUFFER");
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    		aGotBuffer = ETrue;
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    		aBuffer = KTestBuffer;
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    	#else
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    		aGotBuffer = EFalse;
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    	#endif
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    	OstTraceFunctionExit0( CSECUREBURKEYSOURCEIMPL_GETDEFAULTBUFFERFORBACKUPL_EXIT );
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    	}
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	/**
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	See sbencrypt.h
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	*/
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    void CSecureBURKeySourceImpl::GetBackupKeyL(TDriveNumber /*aDrive*/, TSecureId /*aSID*/,
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                       							TBool& aDoEncrypt, TDes8& /*aKey*/,
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                       							TBool& aGotBuffer, TDes& /*aBuffer*/)
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    	{
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    	OstTraceFunctionEntry0( CSECUREBURKEYSOURCEIMPL_GETBACKUPKEYL_ENTRY );
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    	#ifdef __TEST_ENCRYPTION__
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    		_LIT(KTestBuffer, "TEST_BUFFER");
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    		aDoEncrypt = ETrue;
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    		aKey.AppendNum(aSID);
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    		aGotBuffer = ETrue;
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    		aBuffer = KTestBuffer;
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    	#else
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    		aDoEncrypt = EFalse;
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    		aGotBuffer = EFalse;
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    	#endif
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    	OstTraceFunctionExit0( CSECUREBURKEYSOURCEIMPL_GETBACKUPKEYL_EXIT );
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    	}
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	/**
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	See sbencrypt.h
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	*/
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    void CSecureBURKeySourceImpl::GetRestoreKeyL(TDriveNumber /*aDrive*/, TSecureId /*aSID*/, 
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                        						 TBool /*aGotBuffer*/, TDes& /*aBuffer*/,
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                        						 TBool &aGotKey, TDes8& /*aKey*/)
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    	{
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    	OstTraceFunctionEntry0( CSECUREBURKEYSOURCEIMPL_GETRESTOREKEYL_ENTRY );
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    	#ifdef __TEST_ENCRYPTION__
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    		aGotKey = ETrue;
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    		aKey.AppendNum(aSID);
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    	#else
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    		aGotKey = EFalse;
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    	#endif
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    	OstTraceFunctionExit0( CSECUREBURKEYSOURCEIMPL_GETRESTOREKEYL_EXIT );
0
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    	}
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	}
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