1 /*

     2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 #ifndef DATAVERIFY_H

    20 #define DATAVERIFY_H

    21 

    22 #include <e32base.h>

    23 #include <f32file.h>

    24 #include <e32cmn.h>

    25 #include "DataWrapperBase.h"

    26 

    27 class CMD5;

    28 

    29 /**

    30  * Implementation of DataVerify interface. 

    31  */

    32 class CT_DataVerify : public CDataWrapperBase

    33 	{

    34 public:

    35 

    36 	enum TDataVerifyMethod

    37 		{

    38 		EDataVerifyMethodUnknown = 0,

    39 		EDataVerifyMethodMD5,

    40 		};

    41 

    42 private:

    43 	CT_DataVerify();

    44 

    45 protected:

    46 	void ConstructL();

    47 

    48 

    49 public:

    50 	

    51 	/**

    52 	 * 2 phase constructor.

    53 	 */

    54 	static CT_DataVerify* NewL();	

    55 	virtual TAny*	GetObject();	

    56 	virtual TBool	DoCommandL(const TTEFFunction& aCommand, const TTEFSectionName& aSection, const TInt aAsyncErrorIndex);

    57 	virtual ~CT_DataVerify();

    58 	virtual void DoCmdVerifyData( const TTEFSectionName& aSection );

    59 	virtual void VerifyData( const TDataVerifyMethod aMethod, const TFileName& aFileName, const TDesC& aChecksum );

    60 	virtual void VerifyChecksumL( const TDesC8& aReferenceMD5Checksum, const TFileName& aDataFileName );

    61 	virtual void VerifyChecksumL( const TDesC8& aReferenceMD5Checksum, const TDesC8& aData );

    62 	virtual void VerifyFileL( const TFileName& aReferenceFileName, const TFileName& aDataFileName );

    63 	

    64 private:

    65 	void VerifyBufferL( const TFileName& aReferenceFileName,const TDesC8& aData );

    66 	void VerifyBufferL( const TDesC8& aReferenceData, const TDesC8& aData );

    67 	TBool CompareBuffers( const TDesC8& aReferenceBuffer, const TDesC8& aDataBuffer );

    68 	void ReadFileL(const TFileName& aFileName, TDes8& aBuf);

    69 	void HashFileL( const TFileName& aFileName, TDes8& aDes );

    70 	void WriteFileL( const TFileName& aFileName, const TDesC8& aData );

    71 	void ConvertString2HexL( const TDesC8& aData, TDes8& aDes );

    72 

    73 private:

    74 	/** A handle to a file server session. */

    75 	RFs iFs;

    76 	/** An MD5 message digest.*/

    77 	CMD5* iMD5;

    78 	};

    79 

    80 #endif	// DATAVERIFY_H