os/security/cryptoplugins/cryptospiplugins/test/dummyecchwplugin/src/cryptospihai.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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/*
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* Copyright (c) 2009 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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*
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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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#ifndef	CCRYPTOSPIHAI_H
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#define	CCRYPTOSPIHAI_H
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#include <e32base.h>
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#include <e32cmn.h>
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#include <cryptospi/cryptospidef.h>
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#include <cryptospi/cryptoparams.h>
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namespace CryptoSpiHai
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    {
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    /**
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     * This class forms the hardware abstraction interface part of the 
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     * cryptoSPI. In the production code, this should be replaced by a 
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     * device driver. This layer abstracts the hardware from a cryptoSPI
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     * plugin. It interacts with the HAI of crypto token to get the actual 
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     * key and performs the operations. This layer should be implemented in
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     * kernel space.
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     */
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    NONSHARABLE_CLASS(CCryptoSpiHai) : public CBase
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        {
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    public:
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        /**
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         * Performs the signing operation.
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         * 
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         * A cryptoSPI plugin uses this, when it does not have access 
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         * to the actual key.
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         * 
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         * @param aKeyHandle The key handle retrieved from hw crypto 
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         * token
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         * @param aInput The text which has to be signed.
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         * @param aSignature Output param. The cryptoSPI signature.
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         * 
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         * @leave Can leave with all the leave codes present in HAI of 
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         * reference crypto token implementation. 
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         */
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        IMPORT_C static void SignL(TInt aKeyHandle,
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                const TDesC8& aInput, CryptoSpi::CCryptoParams& aSignature);
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        /**
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         * Performs the decryption operation.
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         * 
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         * A cryptoSPI plugin uses this, when it does not have access 
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         * to the actual key.
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         * 
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         * @param aKeyHandle The key handle retrieved from hw crypto 
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         * token
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         * @param aInput The cipher text.
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         * @param aOutput Output param. The decrypted plain text
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         * 
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         * @leave Can leave with all the leave codes present in HAI of 
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         * reference crypto token implementation. 
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         */        
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        IMPORT_C static void DecryptL(TInt aKeyHandle,
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                const TDesC8& aInput, TDes8& aOuput);
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        };
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    }
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#endif	//	CCRYPTOSPIHAI_H