1 /*

     2 * Copyright (c) 2007-2009 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 the License "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 

    20 

    21 /**

    22  @file

    23  @internalComponent

    24  @released

    25 */

    26 

    27 

    28 #ifndef __CRYPTO_SHA384AND512_H_

    29 #define __CRYPTO_SHA384AND512_H_

    30 

    31 

    32 #include "shacommon.h"

    33 

    34 const TInt KSHA512BlockSize	= 128;

    35 const TInt KSHA384HashSize	= 48;

    36 const TInt KSHA512HashSize	= 64;

    37 		

    38 NONSHARABLE_CLASS(CSHA384And512) : public CBase, public MSHA2Impl

    39 	{	

    40 public:

    41 	//NewL	

    42 	static CSHA384And512* NewL();

    43 	CSHA384And512(const CSHA384And512& aSHAImpl);

    44 	

    45 	//From MSHAImpl

    46 	virtual void Reset(const TAny* aValueArr);

    47 	virtual const TDesC8& Final(void);

    48 	virtual void Update(const TUint8* aData,TUint aLength);

    49 	virtual void StoreState();

    50 	virtual void RestoreState();

    51 

    52 private:

    53 	//Constructors

    54 	CSHA384And512();

    55 

    56 private:

    57 	// Private member functions

    58 	/**

    59 	 * @param aLength - Length of message added in bytes.

    60 	 */ 

    61 	inline void AddLength(const TUint64 aLength);

    62 	inline void CopyWordToHash(TUint64 aVal, TUint aIndex);

    63 	void Block();

    64 	void PadMessage();

    65 

    66 private:

    67 	TBuf8<KSHA512HashSize> iHash;

    68 	TUint64 iA;

    69 	TUint64 iB;

    70 	TUint64 iC;

    71 	TUint64 iD;

    72 	TUint64 iE;

    73 	TUint64 iF;

    74 	TUint64 iG;

    75 	TUint64 iH;

    76 	TUint64 iData[KSHA512BlockSize];

    77 

    78 	TUint64 iACopy;

    79 	TUint64 iBCopy;

    80 	TUint64 iCCopy;

    81 	TUint64 iDCopy;

    82 	TUint64 iECopy;

    83 	TUint64 iFCopy;

    84 	TUint64 iGCopy;

    85 	TUint64 iHCopy;

    86 	TUint64 iNlCopy;

    87 	TUint64 iNhCopy;

    88 	TUint	iBlockIndexCopy;

    89 	TUint64 iDataCopy[KSHA512BlockSize];

    90 	

    91 	TUint64 iNl; // Lower word of Message Length

    92 	TUint64 iNh; // Higher word of Message Length

    93 	TUint iBlockIndex; // Message Length in the current block

    94 	};

    95 

    96 #endif // __CRYPTO_SHA384AND512_H_