/*

* 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 "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:   Class containing information about one CA cert

*

*/

#include <x509cert.h>

#include "ikecaelem.h"

#include "ikecert.h"

#include "utlcrypto.h"

#include "ikev1pkiservice.h"

#include "ikecertconst.h"

EXPORT_C CIkeCaElem* CIkeCaElem::NewL(HBufC8* aCert)

    {

    ASSERT(aCert);

	CIkeCaElem* CaElem = new (ELeave) CIkeCaElem();

	CleanupStack::PushL(CaElem);		

	CaElem->iCaCert = CX509Certificate::NewL(*aCert);

	delete aCert;

	HBufC8* PublicKeyInfo = IkeCert::GetCertificateFieldDERL(CaElem->iCaCert, KPublicKeyInfo);

	CleanupStack::PushL(PublicKeyInfo);	

	//

	// Calculate "Key Id" value as a SHA1 hash Subject Public Key Info element

	// (specified so in IKEv2 draft) 

	//

	CaElem->iKeyInfo = HBufC8::NewL(IKEV2_CERT_KEYID_SIZE);

	CUtlMessageDigest* Digest = TUtlCrypto::MakeMessageDigesterL(TUtlCrypto::EUtlMessageDigestSha1);

	TPtrC8 InData(PublicKeyInfo->Des());

	TPtrC8 KeyId = 	Digest->Final(InData);

	CaElem->iKeyInfo->Des().Copy(KeyId);

	delete Digest;

	CleanupStack::PopAndDestroy(PublicKeyInfo); 

	CleanupStack::Pop(CaElem);		

	return CaElem; 	

    }

EXPORT_C CIkeCaElem::~CIkeCaElem()

    {

    delete iCaCert;

    delete iKeyInfo;

    }

EXPORT_C CX509Certificate* CIkeCaElem::Certificate() const

    {

    return iCaCert;

    }

EXPORT_C const TDesC8& CIkeCaElem::KeyHash() const

    {

    return *iKeyInfo;

    }