--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/asymmetric/dsakeypairshim.cpp	Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,112 @@
+/*
+* 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 "dsakeypairshim.h"
+#include "cryptokeypairgeneratorapi.h"
+#include "keypair.h"
+#include <cryptospi/cryptoparams.h>
+#include <cryptospi/cryptospidef.h>
+
+
+using namespace CryptoSpi;
+
+
+/* CDSAKeyPair */
+CDSAKeyPairShim* CDSAKeyPairShim::NewLC(TUint aKeyBits)
+	{
+	CDSAKeyPairShim* self = new(ELeave) CDSAKeyPairShim();
+	CleanupStack::PushL(self);
+	self->ConstructL(aKeyBits);
+	return self;
+	}
+
+CDSAKeyPairShim::~CDSAKeyPairShim()
+	{
+	}
+
+CDSAKeyPairShim::CDSAKeyPairShim()
+	{
+	}
+
+void CDSAKeyPairShim::ConstructL(TUint aKeyBits)
+	{
+	CKeyPairGenerator* keyPairGeneratorImpl=NULL;
+	CKeyPairGeneratorFactory::CreateKeyPairGeneratorL(
+											keyPairGeneratorImpl,
+											KDSAKeyPairGeneratorUid,
+											NULL);
+	CleanupStack::PushL(keyPairGeneratorImpl);
+	
+	
+	
+	
+	// put the DSA parameters into an array
+	CCryptoParams* keyParameters = CCryptoParams::NewLC();
+
+	// call the api to create an DSA key pair
+	CKeyPair* keyPair = 0;
+	keyPairGeneratorImpl->GenerateKeyPairL(aKeyBits, *keyParameters, keyPair);
+	CleanupStack::PushL(keyPair);
+	
+	//Just to keep BC
+	if (keyParameters->IsPresent(KDsaKeyGenerationSeedUid))
+		{
+		const TDesC8& seed = keyParameters->GetTDesC8L(KDsaKeyGenerationSeedUid);
+		TInt counter=keyParameters->GetTIntL(KDsaKeyGenerationCounterUid);
+		iPrimeCertificate=CDSAPrimeCertificate::NewL(seed, counter);	
+		}
+	
+	//
+	//for compatibility convert the CKeyPair to CDSAPrivateKey and CDSAPublicKey
+	//
+	// the public key becomes the owner of P,Q,G,Y
+	const CKey& publicKey = keyPair->PublicKey();
+	RInteger P = RInteger::NewL(publicKey.GetBigIntL(KDsaKeyParameterPUid));
+	CleanupClosePushL(P);
+
+	RInteger Q = RInteger::NewL(publicKey.GetBigIntL(KDsaKeyParameterQUid));
+	CleanupClosePushL(Q);
+	
+	RInteger G = RInteger::NewL(publicKey.GetBigIntL(KDsaKeyParameterGUid));
+	CleanupClosePushL(G);
+	
+	RInteger Y = RInteger::NewL(publicKey.GetBigIntL(KDsaKeyParameterYUid));
+	CleanupClosePushL(Y);
+	
+	iPublic = CDSAPublicKey::NewL(P, Q, G, Y);
+	CleanupStack::Pop(4, &P); //Y,G,Q,P
+
+	// the private key becomes the owner of P1,Q1,G1,X
+	const CKey& privateKey = keyPair->PrivateKey();
+	RInteger P1 = RInteger::NewL(privateKey.GetBigIntL(KDsaKeyParameterPUid));
+	CleanupClosePushL(P1);
+
+	RInteger Q1 = RInteger::NewL(privateKey.GetBigIntL(KDsaKeyParameterQUid));
+	CleanupClosePushL(Q1);
+	
+	RInteger G1 = RInteger::NewL(privateKey.GetBigIntL(KDsaKeyParameterGUid));
+	CleanupClosePushL(G1);
+
+	RInteger X = RInteger::NewL(privateKey.GetBigIntL(KDsaKeyParameterXUid));
+	CleanupClosePushL(X);
+
+	iPrivate = CDSAPrivateKey::NewL(P1, Q1, G1, X);
+	CleanupStack::Pop(4, &P1); //X,G1,Q1,P1
+	
+	CleanupStack::PopAndDestroy(3, keyPairGeneratorImpl); // keyPair, keyParameters, keyPairGeneratorImpl
+	}