1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/crypto/weakcryptospi/test/tplugins/inc/hmacimpl.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,87 @@
1.4 +/*
1.5 +* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of the License "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +* hmac implementation
1.19 +*
1.20 +*/
1.21 +
1.22 +
1.23 +/**
1.24 + @file
1.25 + @internalComponent
1.26 + @released
1.27 +*/
1.28 +
1.29 +#ifndef __CRYPTOAPI_SOFTWAREHMACIMPL_H__
1.30 +#define __CRYPTOAPI_SOFTWAREHMACIMPL_H__
1.31 +
1.32 +#include "softwarehashbase.h"
1.33 +#include <cryptospi/keys.h>
1.34 +
1.35 +namespace SoftwareCrypto
1.36 + {
1.37 + using namespace CryptoSpi;
1.38 +
1.39 + const TInt KHMacPad = 64;
1.40 +
1.41 + NONSHARABLE_CLASS(CHMacImpl) : public CBase, public MSoftwareHash
1.42 + {
1.43 + public:
1.44 + //NewL & NewLC
1.45 + static CHMacImpl* NewL(MSoftwareHash* aHash);
1.46 + static CHMacImpl* NewLC(MSoftwareHash* aHash);
1.47 + static CHMacImpl* NewL(const CKey& aKey, MSoftwareHash* aHash);
1.48 + static CHMacImpl* NewLC(const CKey& aKey, MSoftwareHash* aHash);
1.49 +
1.50 + //From MPlugin
1.51 + void Reset();
1.52 + void Close();
1.53 + void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);
1.54 + const CExtendedCharacteristics* GetExtendedCharacteristicsL();
1.55 + TAny* GetExtension(TUid aExtensionId);
1.56 +
1.57 + //From MHmac
1.58 + TPtrC8 Hash(const TDesC8& aMessage);
1.59 + void Update(const TDesC8& aMessage);
1.60 + TPtrC8 Final(const TDesC8& aMessage);
1.61 + void SetKeyL(const CKey& aKey);
1.62 + void SetOperationModeL(TUid aOperationMode);
1.63 + MHash* ReplicateL();
1.64 + MHash* CopyL();
1.65 +
1.66 + private:
1.67 + //Constructors
1.68 + CHMacImpl();
1.69 + CHMacImpl(const CHMacImpl& aHMacImpl);
1.70 +
1.71 + //Destructor
1.72 + ~CHMacImpl();
1.73 + void RestoreState();
1.74 + void StoreState();
1.75 + void ConstructL(const CKey& aKey, MSoftwareHash* aHash);
1.76 + void ConstructL(MSoftwareHash* aHash);
1.77 + void Initialise(const TDesC8& aKey);
1.78 +
1.79 + private:
1.80 + TUid iImplementationUid;
1.81 + MSoftwareHash* iDigest;
1.82 + TBuf8<KHMacPad> iInnerPad;
1.83 + TBuf8<KHMacPad> iOuterPad;
1.84 +
1.85 + TBuf8<KHMacPad> iInnerPadCopy;
1.86 + TBuf8<KHMacPad> iOuterPadCopy;
1.87 + };
1.88 + }
1.89 +
1.90 +#endif // __CRYPTOAPI_SOFTWAREHMACIMPL_H__