crypto/weakcryptospi/source/spi/cryptoasymmetriccipherapi.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:46:43 +0200
branchRCL_3
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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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* crypto asymmetric cipher API implementation
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* crypto asymmetric cipher API implementation
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*
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*/
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/**
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 @file
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*/
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#include <cryptospi/cryptoasymmetriccipherapi.h>
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#include <cryptospi/asymmetriccipherplugin.h>
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#include "legacyselector.h"
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using namespace CryptoSpi;
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//
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// Implementation of Asymmetric Cipher base class
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//
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CAsymmetricCipherBase::CAsymmetricCipherBase(MAsymmetricCipherBase* aAsymmetricCipher, TInt aHandle)
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: CCryptoBase(aAsymmetricCipher, aHandle)
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	{
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	}
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CAsymmetricCipherBase::~CAsymmetricCipherBase()
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	{		
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	}
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EXPORT_C void CAsymmetricCipherBase::SetKeyL(const CKey& aKey)
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	{
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	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
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	ptr->SetKeyL(aKey);		
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	}
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EXPORT_C void CAsymmetricCipherBase::SetCryptoModeL(TUid aCryptoMode)
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	{
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	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
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	ptr->SetCryptoModeL(aCryptoMode);		
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	}
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EXPORT_C void CAsymmetricCipherBase::SetPaddingModeL(TUid aPaddingMode)
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	{
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	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
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	ptr->SetPaddingModeL(aPaddingMode);
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	}
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EXPORT_C TInt CAsymmetricCipherBase::GetMaximumInputLengthL()
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	{
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	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
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	return ptr->GetMaximumInputLengthL();
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	}
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EXPORT_C TInt CAsymmetricCipherBase::GetMaximumOutputLengthL()
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	{
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	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
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	return ptr->GetMaximumOutputLengthL();				
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	}
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//
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// Implementation of Synchronous Asymmetric Cipher 
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//
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CAsymmetricCipher* CAsymmetricCipher::NewL(MAsymmetricCipher* aAsymmetricCipher, TInt aHandle)
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	{
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	CAsymmetricCipher* self=new(ELeave) CAsymmetricCipher(aAsymmetricCipher, aHandle);
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	return self;				
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	}
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CAsymmetricCipher::CAsymmetricCipher(MAsymmetricCipher* aAsymmetricCipher, TInt aHandle)
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: CAsymmetricCipherBase(aAsymmetricCipher, aHandle)
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	{
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	}
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EXPORT_C CAsymmetricCipher::~CAsymmetricCipher()
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	{
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	}
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EXPORT_C void CAsymmetricCipher::ProcessL(const TDesC8& aInput, TDes8& aOutput)
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	{
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	MAsymmetricCipher* ptr=static_cast<MAsymmetricCipher*>(iPlugin);
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	ptr->ProcessL(aInput, aOutput);						
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	}
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//
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// Implementation of Asymmetric Cipher Factory
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//
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EXPORT_C void CAsymmetricCipherFactory::CreateAsymmetricCipherL(CAsymmetricCipher*& aCipher,
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																TUid aAlgorithmUid,
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																const CKey& aKey,
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																TUid aCryptoMode,
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																TUid aPaddingMode,
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																const CCryptoParams* aAlgorithmParams)
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	{
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	MPluginSelector* selector=reinterpret_cast<MPluginSelector *>(Dll::Tls());
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	if (selector)
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		{
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		selector->CreateAsymmetricCipherL(aCipher, aAlgorithmUid, aKey, aCryptoMode, aPaddingMode, aAlgorithmParams);
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		}
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	else
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		{
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		CLegacySelector* legacySelector=CLegacySelector::NewLC();
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		legacySelector->CreateAsymmetricCipherL(aCipher, aAlgorithmUid, aKey, aCryptoMode, aPaddingMode, aAlgorithmParams);
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		CleanupStack::PopAndDestroy(legacySelector); //legacySelector
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		}
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	}
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//
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// Implementation of Asynchronous Asymmetric Cipher 
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// (async methods not implemented, so no coverage)
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//
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#ifdef _BullseyeCoverage
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#pragma suppress_warnings on
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#pragma BullseyeCoverage off
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#pragma suppress_warnings off
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#endif
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CAsyncAsymmetricCipher* CAsyncAsymmetricCipher::NewL(MAsyncAsymmetricCipher* aAsyncAsymmetricCipher, TInt aHandle)
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	{
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	CAsyncAsymmetricCipher* self=new(ELeave) CAsyncAsymmetricCipher(aAsyncAsymmetricCipher, aHandle);
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	return self;						
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	}
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CAsyncAsymmetricCipher::CAsyncAsymmetricCipher(MAsyncAsymmetricCipher* aAsyncAsymmetricCipher, TInt aHandle)
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:CAsymmetricCipherBase(aAsyncAsymmetricCipher, aHandle)
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	{
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	}
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EXPORT_C CAsyncAsymmetricCipher::~CAsyncAsymmetricCipher()
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	{
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	}
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EXPORT_C void CAsyncAsymmetricCipher::ProcessL(const TDesC8& aInput, TDes8& aOutput, TRequestStatus& aRequestStatus)
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	{
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	MAsyncAsymmetricCipher* ptr=static_cast<MAsyncAsymmetricCipher*>(iPlugin);
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	ptr->ProcessL(aInput, aOutput, aRequestStatus);								
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	}
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EXPORT_C void CAsyncAsymmetricCipher::Cancel()
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	{
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	MAsyncAsymmetricCipher* ptr=static_cast<MAsyncAsymmetricCipher*>(iPlugin);
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	ptr->Cancel();		
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	}
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EXPORT_C void CAsymmetricCipherFactory::CreateAsyncAsymmetricCipherL(CAsyncAsymmetricCipher*& aCipher,
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																	TUid aAlgorithmUid,
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																	const CKey& aKey,
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																	TUid aCryptoMode,
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																	TUid aPaddingMode,
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																	const CCryptoParams* aAlgorithmParams)
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	{
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	MPluginSelector* selector=reinterpret_cast<MPluginSelector *>(Dll::Tls());
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	if (selector)
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		{
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		selector->CreateAsyncAsymmetricCipherL(aCipher, aAlgorithmUid, aKey, aCryptoMode, aPaddingMode, aAlgorithmParams);
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		}
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	else
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		{
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		CLegacySelector* legacySelector=CLegacySelector::NewLC();
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		legacySelector->CreateAsyncAsymmetricCipherL(aCipher, aAlgorithmUid, aKey, aCryptoMode, aPaddingMode, aAlgorithmParams);
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		CleanupStack::PopAndDestroy(legacySelector); //legacySelector
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		}
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	}
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   183