| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* Software hash base definition |
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* |
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*/ |
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|
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|
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/** |
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@file |
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@internalComponent |
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@released |
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*/ |
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|
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#ifndef __CRYPTOAPI_SOFTWAREHASHBASE_H__ |
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#define __CRYPTOAPI_SOFTWAREHASHBASE_H__ |
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|
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#include <cryptospi/hashplugin.h> |
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#include <cryptospi/keys.h> |
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|
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namespace SoftwareCrypto |
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{
|
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using namespace CryptoSpi; |
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/** |
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Interfaces for Software Hash |
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*/ |
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class MSoftwareHash : public MHash |
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{
|
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public: |
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/** |
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Restores the internal state of the message digest |
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to a previously stored state. |
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*/ |
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virtual void RestoreState() = 0; |
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|
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/** |
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Stores the internal state of the message digest. |
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*/ |
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virtual void StoreState() = 0; |
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}; |
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|
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/** |
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Proxy class Software Hash and Hmac implementation |
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*/ |
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class CSoftwareHash : public MHash, public CBase |
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{
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public: |
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// |
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//NewL & NewLC |
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// |
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static CSoftwareHash* NewL(TUid aAlgorithm, TUid aOperationMode, const CKey* aKey); |
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static CSoftwareHash* NewLC(TUid aAlgorithm, TUid aOperationMode, const CKey* aKey); |
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|
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#ifdef SYMBIAN_SDP_IPSEC_VOIP_SUPPORT |
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static CSoftwareHash* NewL(TUid aAlgorithm); |
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#endif |
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|
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// |
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// Destructor |
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// |
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~CSoftwareHash(); |
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// |
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//From MPlugin |
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// |
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void Reset(); |
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void Close(); |
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void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics); |
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const CExtendedCharacteristics* GetExtendedCharacteristicsL(); |
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TAny* GetExtension(TUid aExtensionId); |
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// |
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//From MHash |
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// |
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TPtrC8 Hash(const TDesC8& aMessage); |
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void Update(const TDesC8& aMessage); |
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TPtrC8 Final(const TDesC8& aMessage); |
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MHash* ReplicateL(); |
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MHash* CopyL(); |
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void SetKeyL(const CKey& aKey); |
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void SetOperationModeL(TUid aOperationMode); |
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|
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private: |
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// |
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//Constructor |
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// |
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CSoftwareHash(); |
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void ConstructL(TUid aAlgorithm, TUid aOperationMode, const CKey* aKey); |
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|
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// |
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//get the active implementation |
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// |
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MSoftwareHash* Impl(); |
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|
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private: |
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/** |
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The Key for HMAC mode operation |
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*/ |
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CKey* iKey; |
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|
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/** |
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The Uid for the operation mode |
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*/ |
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TUid iOperationMode; |
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|
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/** |
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The hash implementation |
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*/ |
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MSoftwareHash* iHashImpl; |
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|
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/** |
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The Hmac implementation |
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*/ |
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MSoftwareHash* iHmacImpl; |
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}; |
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|
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GLDEF_C inline TUint CMD_R(TUint a,TUint s) |
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{
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return (a<<s) | (a>>(32-s)); |
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} |
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} |
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|
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|
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#endif // __CRYPTOAPI_SOFTWAREHASHBASE_H__ |