sl@0: /*
sl@0: * Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "keyconverter.h"
sl@0: #include <cryptospi/cryptoparams.h>
sl@0: #include <cryptospi/cryptospidef.h>
sl@0: #include <cryptospi/keys.h>
sl@0: #include <cryptospi/keypair.h>
sl@0: 
sl@0: using namespace CryptoSpi;
sl@0: 
sl@0: /* CKeyConverter */
sl@0: 
sl@0: CKey* KeyConverter::CreateKeyL(const CDHPrivateKey& aPrivateKey)
sl@0: 	{
sl@0: 	/*
sl@0: 	 * setup key attributes
sl@0: 	 */
sl@0: 	TKeyProperty keyProperty;
sl@0: 	keyProperty.iAlgorithmUid = KDHAgreementUid;
sl@0: 
sl@0: 	/*
sl@0: 	 * extract key parameters from the compatibility dh key object
sl@0: 	 */
sl@0: 	CCryptoParams* keyParameters = CCryptoParams::NewLC();
sl@0: 	keyParameters->AddL(aPrivateKey.N(), KDhKeyParameterNUid);
sl@0: 	keyParameters->AddL(aPrivateKey.G(), KDhKeyParameterGUid);
sl@0: 	keyParameters->AddL(aPrivateKey.x(), KDhKeyParameterxUid);
sl@0: 
sl@0: 	/*
sl@0: 	 * create a CKey from the parameters
sl@0: 	 */
sl@0: 	CKey* newPrivateKey = CKey::NewL(keyProperty, *keyParameters);
sl@0: 
sl@0: 	CleanupStack::PopAndDestroy(1, keyParameters);
sl@0: 	return newPrivateKey;
sl@0: 	}
sl@0: 
sl@0: CKey* KeyConverter::CreateKeyL(const CDHPublicKey& aPublicKey)
sl@0: 	{
sl@0: 	/*
sl@0: 	 * setup key attributes
sl@0: 	 */
sl@0: 	TKeyProperty keyProperty;
sl@0: 	keyProperty.iAlgorithmUid = KDHAgreementUid;
sl@0: 
sl@0: 	/*
sl@0: 	 * extract key parameters from the compatibility dh key object
sl@0: 	 */
sl@0: 	CCryptoParams* keyParameters = CCryptoParams::NewLC();
sl@0: 	keyParameters->AddL(aPublicKey.N(), KDhKeyParameterNUid);
sl@0: 	keyParameters->AddL(aPublicKey.G(), KDhKeyParameterGUid);
sl@0: 	keyParameters->AddL(aPublicKey.X(), KDhKeyParameterXUid);
sl@0: 
sl@0: 	/*
sl@0: 	 * create a CKey from the parameters
sl@0: 	 */
sl@0: 	CKey* newPublicKey = CKey::NewL(keyProperty, *keyParameters);
sl@0: 
sl@0: 	CleanupStack::PopAndDestroy(1, keyParameters);
sl@0: 	return newPublicKey;
sl@0: 	}
sl@0: 
sl@0: CKey* KeyConverter::CreateKeyL(const CDSAPrivateKey& aPrivateKey)
sl@0: 	{
sl@0: 	TKeyProperty keyProperty = {KDsaSignerUid, KNullUid, KDsaPrivateKeyUid, KNonEmbeddedKeyUid};
sl@0: 
sl@0: 	CCryptoParams* keyParameters = CCryptoParams::NewLC();
sl@0: 	keyParameters->AddL(aPrivateKey.P(), KDsaKeyParameterPUid);
sl@0: 	keyParameters->AddL(aPrivateKey.Q(), KDsaKeyParameterQUid);
sl@0: 	keyParameters->AddL(aPrivateKey.G(), KDsaKeyParameterGUid);
sl@0: 	keyParameters->AddL(aPrivateKey.X(), KDsaKeyParameterXUid);
sl@0: 		
sl@0: 	CKey* newPrivateKey = CKey::NewL(keyProperty, *keyParameters);
sl@0: 	CleanupStack::PopAndDestroy(keyParameters);
sl@0: 	return newPrivateKey;
sl@0: 	}
sl@0: 	
sl@0: CKey* KeyConverter::CreateKeyL(const CDSAPublicKey& aPublicKey)
sl@0: 	{
sl@0: 	TKeyProperty keyProperty = {KDsaSignerUid, KNullUid, KDsaPublicKeyUid, KNonEmbeddedKeyUid};
sl@0: 
sl@0: 	CCryptoParams* keyParameters = CCryptoParams::NewLC();
sl@0: 	keyParameters->AddL(aPublicKey.P(), KDsaKeyParameterPUid);
sl@0: 	keyParameters->AddL(aPublicKey.Q(), KDsaKeyParameterQUid);
sl@0: 	keyParameters->AddL(aPublicKey.G(), KDsaKeyParameterGUid);
sl@0: 	keyParameters->AddL(aPublicKey.Y(), KDsaKeyParameterYUid);
sl@0: 
sl@0: 	CKey* newPublicKey = CKey::NewL(keyProperty, *keyParameters);
sl@0: 	CleanupStack::PopAndDestroy(keyParameters);
sl@0: 	return newPublicKey;
sl@0: 	}
sl@0: 
sl@0: // RSA convertors ///////////////////////////////////////////////////////////////////////////
sl@0: CKey* KeyConverter::CreateKeyL(const CRSAPrivateKeyCRT& aPrivateKey)
sl@0: 	{
sl@0: 	TKeyProperty keyProperty = {KRsaCipherUid,
sl@0: 		NULL,
sl@0: 		KRsaPrivateKeyCRTUid,
sl@0: 		KNonEmbeddedKeyUid };
sl@0: 
sl@0: 	CCryptoParams* keyParameters = CCryptoParams::NewLC();
sl@0: 	keyParameters->AddL(aPrivateKey.N(), KRsaKeyParameterNUid);
sl@0: 	keyParameters->AddL(aPrivateKey.P(), KRsaKeyParameterPUid);
sl@0: 	keyParameters->AddL(aPrivateKey.Q(), KRsaKeyParameterQUid);
sl@0: 	keyParameters->AddL(aPrivateKey.QInv(), KRsaKeyParameterQInvUid);
sl@0: 	keyParameters->AddL(aPrivateKey.DP(), KRsaKeyParameterDPUid);
sl@0: 	keyParameters->AddL(aPrivateKey.DQ(), KRsaKeyParameterDQUid);
sl@0: 		
sl@0: 	CKey* newPrivateKey = CKey::NewL(keyProperty, *keyParameters);
sl@0: 	CleanupStack::PopAndDestroy(keyParameters);
sl@0: 	return newPrivateKey;
sl@0: 	}
sl@0: 	
sl@0: CKey* KeyConverter::CreateKeyL(const CRSAPrivateKeyStandard& aPrivateKey)
sl@0: 	{
sl@0: 	TKeyProperty keyProperty = {KRsaCipherUid,
sl@0: 		NULL,
sl@0: 		KRsaPrivateKeyStandardUid,
sl@0: 		KNonEmbeddedKeyUid };
sl@0: 
sl@0: 	CCryptoParams* keyParameters = CCryptoParams::NewLC();
sl@0: 	keyParameters->AddL(aPrivateKey.N(), KRsaKeyParameterNUid);
sl@0: 	keyParameters->AddL(aPrivateKey.D(), KRsaKeyParameterDUid);
sl@0: 		
sl@0: 	CKey* newPrivateKey = CKey::NewL(keyProperty, *keyParameters);
sl@0: 	CleanupStack::PopAndDestroy(keyParameters);
sl@0: 	return newPrivateKey;
sl@0: 	}
sl@0: 	
sl@0: CKey* KeyConverter::CreateKeyL(const CRSAPublicKey& aPublicKey)
sl@0: 	{
sl@0: 	TKeyProperty keyProperty = {KRsaCipherUid,
sl@0: 		NULL,
sl@0: 		KRsaPublicKeyUid,
sl@0: 		KNonEmbeddedKeyUid };
sl@0: 
sl@0: 	CCryptoParams* keyParameters = CCryptoParams::NewLC();	
sl@0: 	keyParameters->AddL(aPublicKey.N(), KRsaKeyParameterNUid);
sl@0: 	keyParameters->AddL(aPublicKey.E(), KRsaKeyParameterEUid);
sl@0: 
sl@0: 	CKey* newPublicKey = CKey::NewL(keyProperty, *keyParameters);
sl@0: 	CleanupStack::PopAndDestroy(keyParameters);
sl@0: 	return newPublicKey;
sl@0: 	}
sl@0: 
sl@0: CKey* KeyConverter::CreateKeyL(const CRSAPrivateKey& aPrivateKey)
sl@0: 	{
sl@0: 	// Determine which type of private key
sl@0: 	if (aPrivateKey.PrivateKeyType() == EStandard)
sl@0: 		{
sl@0: 		const CRSAPrivateKeyStandard* stdKey = static_cast<const CRSAPrivateKeyStandard*>(&aPrivateKey);
sl@0: 		return KeyConverter::CreateKeyL(*stdKey);
sl@0: 		}
sl@0: 	else if (aPrivateKey.PrivateKeyType() == EStandardCRT)
sl@0: 		{
sl@0: 		const CRSAPrivateKeyCRT* crtKey = static_cast<const CRSAPrivateKeyCRT*>(&aPrivateKey);
sl@0: 		return KeyConverter::CreateKeyL(*crtKey);
sl@0: 		}
sl@0: 	return NULL;  // Keep the compiler happy
sl@0: 	}
sl@0: 
sl@0: // Methods which are not supported or not exposed out of library can be excluded from the coverage.
sl@0: #ifdef _BullseyeCoverage
sl@0: #pragma suppress_warnings on
sl@0: #pragma BullseyeCoverage off
sl@0: #pragma suppress_warnings off
sl@0: #endif
sl@0: 
sl@0: CKeyPair* KeyConverter::CreateKeyPairL(const CDSAKeyPair& /*aKeyPair*/)
sl@0: 	{
sl@0: 	return NULL;	
sl@0: 	}
sl@0: 
sl@0: CKeyPair* KeyConverter::CreateKeyPairL(const CRSAKeyPair& aKeyPair)
sl@0: 	{
sl@0: 	CKey* newPrivateKey = KeyConverter::CreateKeyL(aKeyPair.PrivateKey());
sl@0: 	CleanupStack::PushL(newPrivateKey);
sl@0: 	CKey* newPublicKey = KeyConverter::CreateKeyL(aKeyPair.PublicKey());
sl@0: 	CleanupStack::PushL(newPublicKey);
sl@0: 	CKeyPair* newKeyPair = CKeyPair::NewL(newPublicKey, newPrivateKey);
sl@0: 	CleanupStack::Pop(2, newPrivateKey);
sl@0: 	return newKeyPair;
sl@0: 	}
sl@0: 
sl@0: CKeyPair* KeyConverter::CreateKeyPairL(const CDHKeyPair& aKeyPair)
sl@0: 	{
sl@0: 	CKey* newPrivateKey = KeyConverter::CreateKeyL(aKeyPair.PrivateKey());
sl@0: 	CleanupStack::PushL(newPrivateKey);
sl@0: 	CKey* newPublicKey = KeyConverter::CreateKeyL(aKeyPair.PublicKey());
sl@0: 	CleanupStack::PushL(newPublicKey);
sl@0: 	CKeyPair* newKeyPair = CKeyPair::NewL(newPublicKey, newPrivateKey);
sl@0: 	CleanupStack::Pop(2, newPrivateKey);
sl@0: 	return newKeyPair;
sl@0: 	}