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 

    23 /**

    24  @file

    25  @internalComponent

    26  @released

    27 */

    28 

    29 

    30 #ifndef __CRYPTO_SHA384AND512_H_

    31 #define __CRYPTO_SHA384AND512_H_

    32 

    33 

    34 #include "shacommon.h"

    35 

    36 const TInt KSHA512BlockSize	= 128;

    37 const TInt KSHA384HashSize	= 48;

    38 const TInt KSHA512HashSize	= 64;

    39 		

    40 NONSHARABLE_CLASS(CSHA384And512) : public CBase, public MSHA2Impl

    41 	{	

    42 public:

    43 	//NewL	

    44 	static CSHA384And512* NewL();

    45 	CSHA384And512(const CSHA384And512& aSHAImpl);

    46 	

    47 	//From MSHAImpl

    48 	virtual void Reset(const TAny* aValueArr);

    49 	virtual const TDesC8& Final(void);

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

    51 	virtual void StoreState();

    52 	virtual void RestoreState();

    53 

    54 private:

    55 	//Constructors

    56 	CSHA384And512();

    57 

    58 private:

    59 	// Private member functions

    60 	/**

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

    62 	 */ 

    63 	inline void AddLength(const TUint64 aLength);

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

    65 	void Block();

    66 	void PadMessage();

    67 

    68 private:

    69 	TBuf8<KSHA512HashSize> iHash;

    70 	TUint64 iA;

    71 	TUint64 iB;

    72 	TUint64 iC;

    73 	TUint64 iD;

    74 	TUint64 iE;

    75 	TUint64 iF;

    76 	TUint64 iG;

    77 	TUint64 iH;

    78 	TUint64 iData[KSHA512BlockSize];

    79 

    80 	TUint64 iACopy;

    81 	TUint64 iBCopy;

    82 	TUint64 iCCopy;

    83 	TUint64 iDCopy;

    84 	TUint64 iECopy;

    85 	TUint64 iFCopy;

    86 	TUint64 iGCopy;

    87 	TUint64 iHCopy;

    88 	TUint64 iNlCopy;

    89 	TUint64 iNhCopy;

    90 	TUint	iBlockIndexCopy;

    91 	TUint64 iDataCopy[KSHA512BlockSize];

    92 	

    93 	TUint64 iNl; // Lower word of Message Length

    94 	TUint64 iNh; // Higher word of Message Length

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

    96 	};

    97 

    98 #endif // __CRYPTO_SHA384AND512_H_