--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/asymmetric/rsakeypairshim.cpp	Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,115 @@
+/*
+* 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 "rsakeypairshim.h"
+#include "cryptokeypairgeneratorapi.h"
+#include "keypair.h"
+#include <cryptospi/cryptoparams.h>
+#include <cryptospi/cryptospidef.h>
+
+using namespace CryptoSpi;
+
+/* CRSAKeyPair */
+
+const TUint KFermat4 = 65537;
+
+CRSAKeyPairShim* CRSAKeyPairShim::NewLC(TUint aModulusBits, TRSAPrivateKeyType aKeyType)
+	{
+	CRSAKeyPairShim* self = new(ELeave) CRSAKeyPairShim();
+	CleanupStack::PushL(self);
+	self->ConstructL(aModulusBits, aKeyType, KFermat4);
+	return self;
+	}
+
+CRSAKeyPairShim::~CRSAKeyPairShim(void)
+	{
+	}
+
+CRSAKeyPairShim::CRSAKeyPairShim(void)
+	{
+	}
+
+void CRSAKeyPairShim::ConstructL(TUint aModulusBits, TRSAPrivateKeyType aKeyType, TInt aPublicExponent)
+	{
+	CKeyPairGenerator* keyPairGeneratorImpl=NULL;
+	CKeyPairGeneratorFactory::CreateKeyPairGeneratorL(
+											keyPairGeneratorImpl,
+											KRSAKeyPairGeneratorUid,
+											NULL);
+	CleanupStack::PushL(keyPairGeneratorImpl);
+
+	// put the RSA parameters into an array
+	CCryptoParams* keyParameters = CCryptoParams::NewLC();
+	keyParameters->AddL(aPublicExponent, KRsaKeyParameterEUid);
+	if (aKeyType == EStandard)
+		{
+		keyParameters->AddL(KRsaPrivateKeyStandard, KRsaKeyTypeUid);
+		}
+	else if (aKeyType == EStandardCRT)
+		{
+		keyParameters->AddL(KRsaPrivateKeyCRT, KRsaKeyTypeUid);
+		}
+
+	// call the api to create an RSA key pair
+	CKeyPair* keyPair = 0;
+	keyPairGeneratorImpl->GenerateKeyPairL(aModulusBits, *keyParameters, keyPair);
+	
+	CleanupStack::PushL(keyPair);
+
+	/* 
+	 * Convert the CKeyPair to CRSAPrivateKey{CRT/Standard} and CRSAPublicKey
+	 * The public key becomes the owner of n and e RIntegers
+	 */
+	RInteger n = RInteger::NewL(keyPair->PublicKey().GetBigIntL(KRsaKeyParameterNUid));
+	CleanupClosePushL(n);
+	RInteger e = RInteger::NewL(keyPair->PublicKey().GetBigIntL(KRsaKeyParameterEUid));
+	CleanupClosePushL(e);
+	iPublic = CRSAPublicKey::NewL(n, e);
+
+	if (aKeyType == EStandard)
+		{
+		RInteger n = RInteger::NewL(keyPair->PrivateKey().GetBigIntL(KRsaKeyParameterNUid));
+		CleanupClosePushL(n);
+		RInteger d = RInteger::NewL(keyPair->PrivateKey().GetBigIntL(KRsaKeyParameterDUid));
+		CleanupClosePushL(d);
+		iPrivate = CRSAPrivateKeyStandard::NewL(n, d);
+		CleanupStack::Pop(2, &n);
+		}
+	else if (aKeyType == EStandardCRT)
+		{
+		RInteger n = RInteger::NewL(keyPair->PrivateKey().GetBigIntL(KRsaKeyParameterNUid));
+		CleanupClosePushL(n);
+		RInteger p = RInteger::NewL(keyPair->PrivateKey().GetBigIntL(KRsaKeyParameterPUid));
+		CleanupClosePushL(p);
+		RInteger q = RInteger::NewL(keyPair->PrivateKey().GetBigIntL(KRsaKeyParameterQUid));
+		CleanupClosePushL(q);
+		RInteger dp = RInteger::NewL(keyPair->PrivateKey().GetBigIntL(KRsaKeyParameterDPUid));
+		CleanupClosePushL(p);
+		RInteger dq = RInteger::NewL(keyPair->PrivateKey().GetBigIntL(KRsaKeyParameterDQUid));
+		CleanupClosePushL(q);
+		RInteger qinv = RInteger::NewL(keyPair->PrivateKey().GetBigIntL(KRsaKeyParameterQInvUid));
+		CleanupClosePushL(qinv);
+		iPrivate = CRSAPrivateKeyCRT::NewL(n, p, q, dp, dq, qinv);
+		CleanupStack::Pop(6, &n);
+		}
+	/*
+	 * cleanup stack - it should contain keyPairGeneratorImpl, keyParameters, keyPair, n, e
+	 */
+	CleanupStack::Pop(2, &n);
+	CleanupStack::PopAndDestroy(3, keyPairGeneratorImpl);
+	}