--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoplugins/cryptospiplugins/source/softwarecrypto/asymmetriccipherimpl.cpp	Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,166 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+#include <e32def.h>
+#include "keys.h"
+#include "asymmetriccipherimpl.h"
+#include <cryptostrength.h>
+#include <cryptospi/cryptospidef.h>
+#include <cryptospi/plugincharacteristics.h>
+#include "pluginconfig.h"
+#include "common/inlines.h"
+
+using namespace SoftwareCrypto;
+
+CAsymmetricCipherImpl::CAsymmetricCipherImpl(
+	TUid aCryptoMode,
+	TUid aPaddingMode) :
+	iCryptoMode(aCryptoMode),
+	iPaddingMode(aPaddingMode)
+	{
+	}
+
+void CAsymmetricCipherImpl::ConstructL(const CKey& aKey)
+	{
+	DoSetCryptoModeL(iCryptoMode);
+	DoSetKeyL(aKey);
+	DoSetPaddingModeL(iPaddingMode);
+	}
+	
+CAsymmetricCipherImpl::~CAsymmetricCipherImpl()
+	{
+	delete iKey;
+	delete iPadding;
+	}
+		
+void CAsymmetricCipherImpl::Close()
+	{
+	delete this;
+	}
+	
+void CAsymmetricCipherImpl::Reset()
+	{
+	}
+	
+TAny* CAsymmetricCipherImpl::GetExtension(TUid /*aExtensionId*/)
+	{
+	return 0;
+	}
+	
+void CAsymmetricCipherImpl::GetCharacteristicsL(const TAny*& aPluginCharacteristics)
+	{
+	TInt numCiphers = sizeof(KAsymmetricCipherCharacteristics)/sizeof(TAsymmetricCipherCharacteristics*);
+	TInt32 implUid = ImplementationUid().iUid;
+	for (TInt i = 0; i < numCiphers; ++i)
+		{
+		if (KAsymmetricCipherCharacteristics[i]->cmn.iImplementationUID == implUid)
+			{
+			aPluginCharacteristics = KAsymmetricCipherCharacteristics[i];
+			break;
+			}
+		}
+	}
+
+void CAsymmetricCipherImpl::SetKeyL(const CKey& aKey)
+	{
+	DoSetKeyL(aKey);
+	}
+
+void CAsymmetricCipherImpl::DoSetKeyL(const CKey& aKey)
+	{
+	delete iKey;								// delete any previous key
+	iKey = CKey::NewL(aKey);
+	}
+
+void CAsymmetricCipherImpl::SetCryptoModeL(TUid aCryptoMode)
+	{
+	DoSetCryptoModeL(aCryptoMode);
+	Reset();
+	}
+	
+void CAsymmetricCipherImpl::DoSetCryptoModeL(TUid aCryptoMode)
+	{
+	switch (aCryptoMode.iUid)
+		{
+		case KCryptoModeEncrypt:
+		case KCryptoModeDecrypt:
+			break;
+		default:
+			User::Leave(KErrNotSupported);
+		}
+	iCryptoMode = aCryptoMode;
+	}
+
+void CAsymmetricCipherImpl::SetPaddingModeL(TUid aPaddingMode)
+	{
+	DoSetPaddingModeL(aPaddingMode);
+	Reset();
+	}
+	
+void CAsymmetricCipherImpl::DoSetPaddingModeL(TUid aPaddingMode)
+	{
+	CPadding* padding(0);
+	TInt padlength = 0;
+	
+	switch (iCryptoMode.iUid)
+		{
+		case KCryptoModeEncrypt:
+			padlength = GetMaximumOutputLengthL();
+			break;
+		case KCryptoModeDecrypt:
+			padlength = GetMaximumInputLengthL();
+			break;
+		}
+		
+	switch (aPaddingMode.iUid)
+		{
+		case KPaddingModeNone:
+			padding = CPaddingNone::NewL(padlength);
+			break;
+		case KPaddingModePkcs1_v1_5_Encryption:
+			padding = CPaddingPKCS1Encryption::NewL(padlength);
+			break;
+		default:
+			User::Leave(KErrNotSupported);
+		}
+		
+	delete iPadding;
+	iPadding = padding;
+	iPaddingMode = aPaddingMode;
+	}
+
+// Methods implemented in subclass. No coverage here.
+#ifdef _BullseyeCoverage
+#pragma suppress_warnings on
+#pragma BullseyeCoverage off
+#pragma suppress_warnings off
+#endif
+TInt CAsymmetricCipherImpl::GetMaximumOutputLengthL() const
+	{
+	// Override in subclass
+	User::Leave(KErrNotSupported);
+	return 0;
+	}
+
+TInt CAsymmetricCipherImpl::GetMaximumInputLengthL() const
+	{
+	// Override in subclass
+	User::Leave(KErrNotSupported);
+	return 0;
+	}
+