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 __CRYPTOAPI_SOFTWARESHA384AND512IMPL_H_

    29 #define __CRYPTOAPI_SOFTWARESHA384AND512IMPL_H_

    30 

    31 

    32 #include "softwarehashbase.h"

    33 #include "shacommon.h"

    34 

    35 namespace SoftwareCrypto

    36 	{

    37 	using namespace CryptoSpi;

    38 	

    39 	const TInt KSHA512BlockSize	= 128;

    40 	const TInt KSHA384HashSize	= 48;

    41 	const TInt KSHA512HashSize	= 64;

    42 			

    43 	NONSHARABLE_CLASS(CSHA384And512Impl) : public CBase, public MSHA2Impl

    44 		{	

    45 	public:

    46 		//NewL	

    47 		static CSHA384And512Impl* NewL(TInt aHashSize = KSHA512HashSize);

    48 		CSHA384And512Impl(const CSHA384And512Impl& aSHA512Impl);

    49 		

    50 		//From MSHAImpl

    51 		virtual void Reset(const TAny* aValueArr);

    52 		virtual const TDesC8& Final(void);

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

    54 		virtual void StoreState();

    55 		virtual void RestoreState();

    56 

    57 	private:

    58 		//Constructors

    59 		CSHA384And512Impl(TInt aHashSize);

    60 

    61 	private:

    62 		// Private member functions

    63 		/**

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

    65 		 */ 

    66 		inline void AddLength(const TUint64 aLength);

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

    68 		void Block();

    69 		void PadMessage();

    70 

    71 	private:

    72 		TBuf8<KSHA512HashSize> iHash;

    73 		TUint64 iA;

    74 		TUint64 iB;

    75 		TUint64 iC;

    76 		TUint64 iD;

    77 		TUint64 iE;

    78 		TUint64 iF;

    79 		TUint64 iG;

    80 		TUint64 iH;

    81 		TUint64 iData[KSHA512BlockSize];

    82 

    83 		TUint64 iACopy;

    84 		TUint64 iBCopy;

    85 		TUint64 iCCopy;

    86 		TUint64 iDCopy;

    87 		TUint64 iECopy;

    88 		TUint64 iFCopy;

    89 		TUint64 iGCopy;

    90 		TUint64 iHCopy;

    91 		TUint64 iNlCopy;

    92 		TUint64 iNhCopy;

    93 		TUint	iBlockIndexCopy;

    94 		TUint64 iDataCopy[KSHA512BlockSize];

    95 		

    96 		TUint64 iNl; // Lower word of Message Length

    97 		TUint64 iNh; // Higher word of Message Length

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

    99 		};

   100 	}

   101 

   102 #endif // __CRYPTOAPI_SOFTWARESHA384AND512IMPL_H_