--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/asymmetric/dsashim.cpp	Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,182 @@
+/*
+* Copyright (c) 2007-2009 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 "dsashim.h"
+#include "cryptosignatureapi.h"
+#include <cryptospi/cryptospidef.h>
+#include "keys.h"
+#include "keyconverter.h"
+
+#include "../common/inlines.h"
+
+
+using namespace CryptoSpi;
+
+// CDsaSignerShim ////////////////////////////////////////////////////////
+
+CDsaSignerShim* CDsaSignerShim::NewL(const CDSAPrivateKey& aKey)
+	{
+	CDsaSignerShim* self = CDsaSignerShim::NewLC(aKey);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CDsaSignerShim* CDsaSignerShim::NewLC(const CDSAPrivateKey& aKey)
+	{
+	CDsaSignerShim* self = new (ELeave) CDsaSignerShim(aKey);
+	CleanupStack::PushL(self);
+	self->ConstructL(aKey);
+	return self;
+	}
+
+CDsaSignerShim::CDsaSignerShim(const CDSAPrivateKey& aKey)
+	: CDSASigner(aKey)
+	{
+	}
+
+CDsaSignerShim::~CDsaSignerShim()
+	{
+	delete iSignerImpl;
+	delete iKey;
+	}
+
+void CDsaSignerShim::ConstructL(const CDSAPrivateKey& aKey)
+	{
+	iKey = KeyConverter::CreateKeyL(aKey);
+	CSignatureFactory::CreateSignerL(
+									iSignerImpl,
+									KDsaSignerUid,
+									*iKey,
+									KPaddingModeNoneUid,
+									NULL);
+	}
+
+
+CDSASignature* CDsaSignerShim::SignL(const TDesC8& aInput) const
+	{
+	//Sign the input data
+	CCryptoParams* signature = CCryptoParams::NewLC();
+	iSignerImpl->SignL(aInput, *signature);
+	
+	//Retrieve the R&S in DSA signature from the array 
+	const TInteger& cR=signature->GetBigIntL(KDsaSignatureParameterRUid);
+	const TInteger& cS=signature->GetBigIntL(KDsaSignatureParameterSUid);
+	
+	
+	//Make copies of the DSA signature
+	RInteger r=RInteger::NewL(cR);
+	CleanupClosePushL(r);
+	RInteger s=RInteger::NewL(cS);
+	CleanupClosePushL(s);	
+	
+	//Create the DSA signature object, the ownership of r&s is transfered to dsaSig
+	CDSASignature* dsaSig=CDSASignature::NewL(r, s);
+	
+	//Cleanup
+	CleanupStack::Pop(2, &r); 	
+	CleanupStack::PopAndDestroy(signature);
+	
+	return dsaSig;
+	}
+
+TInt CDsaSignerShim::MaxInputLength() const
+	{
+	TInt maxInputLength=0; 
+	TRAPD(err, maxInputLength=iSignerImpl->GetMaximumInputLengthL())
+	if (err==KErrNone)
+		{
+		return maxInputLength;
+		}
+	else
+		{
+		return err;
+		}
+	}
+
+
+// CDsaVerifierShim ////////////////////////////////////////////////////////
+CDsaVerifierShim* CDsaVerifierShim::NewL(const CDSAPublicKey& aKey)
+	{
+	CDsaVerifierShim* self = CDsaVerifierShim::NewLC(aKey);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CDsaVerifierShim* CDsaVerifierShim::NewLC(const CDSAPublicKey& aKey)
+	{
+	CDsaVerifierShim* self = new (ELeave) CDsaVerifierShim(aKey);
+	CleanupStack::PushL(self);
+	self->ConstructL(aKey);
+	return self;
+	}
+
+CDsaVerifierShim::CDsaVerifierShim(const CDSAPublicKey& aKey)
+	: CDSAVerifier(aKey)
+	{
+	}
+
+CDsaVerifierShim::~CDsaVerifierShim()
+	{
+	delete iVerifierImpl;
+	delete iKey;
+	}
+
+void CDsaVerifierShim::ConstructL(const CDSAPublicKey& aKey)
+	{
+	iKey = KeyConverter::CreateKeyL(aKey);
+	CSignatureFactory::CreateVerifierL(
+									iVerifierImpl,
+									KDsaVerifierUid,
+									*iKey,
+									KPaddingModeNoneUid,
+									NULL);
+											
+	}
+
+TBool CDsaVerifierShim::VerifyL(const TDesC8& aInput, const CDSASignature& aSignature) const
+	{
+	//create the array format dsa signature for the new crypto spi
+	CCryptoParams* dsaSig = CCryptoParams::NewLC();
+
+	dsaSig->AddL(aSignature.R(), KDsaSignatureParameterRUid);
+	dsaSig->AddL(aSignature.S(), KDsaSignatureParameterSUid);
+
+	//pass the signature and input to the new crypto spi to be verified
+	TBool verificationResult=EFalse;
+	iVerifierImpl->VerifyL(aInput, *dsaSig, verificationResult);
+
+	//Cleanup the array
+	CleanupStack::PopAndDestroy(dsaSig);
+
+	return verificationResult;
+	}
+
+TInt CDsaVerifierShim::MaxInputLength() const
+	{
+	TInt maxInputLength=0; 
+	TRAPD(err, maxInputLength=iVerifierImpl->GetMaximumInputLengthL())
+	if (err==KErrNone)
+		{
+		return maxInputLength;
+		}
+	else
+		{
+		return err;
+		}
+	}
+