/*

* Copyright (c) 2001-2009 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 "securitydefs.h"

////////////////////////////////////////////////////////////////////////////////

// TKeyUsagePKCS15 & TKeyUsageX509

////////////////////////////////////////////////////////////////////////////////

//	x509									PKCS15 Public	PKCS15 Private

//	DataEncipherment						Encrypt			Decrypt

//	DigitalSignature, keyCertSign, cRLSign	Verify			Sign

//	DigitalSignature, keyCertSign, cRLSign	VerifyRecover	SignRecover

//	KeyAgreement							Derive			Derive

//	KeyEncipherment							Wrap			Unwrap

//	NonRepudiation							NonRepudiation	NonRepudiation

EXPORT_C TKeyUsagePKCS15 KeyUsageX509ToPKCS15Private(TKeyUsageX509 aUsage)

	{

	TKeyUsagePKCS15 result = EPKCS15UsageNone;

	if (EX509UsageAll == aUsage)

		{

		result = EPKCS15UsageAll;

		}

	else

		{

		if (aUsage & EX509UsageDataEncipherment)

			{

			result |= EPKCS15UsageDecrypt;

			}

		if (aUsage & (EX509UsageDigitalSignature | EX509UsageKeyCertSign | EX509UsageCRLSign))

			{

			result |= EPKCS15UsageSign | EPKCS15UsageSignRecover;

			}

		if (aUsage & EX509UsageKeyAgreement)

			{

			result |= EPKCS15UsageDerive;

			}

		if (aUsage & EX509UsageKeyEncipherment)

			{

			result |= EPKCS15UsageUnwrap;

			}

		if (aUsage & EX509UsageNonRepudiation)

			{//	This shouldn't really happen, ENonRepudiation should be sole usage

			result |= EPKCS15UsageNonRepudiation;

			}

		}

	return result;

	}

EXPORT_C TKeyUsagePKCS15 KeyUsageX509ToPKCS15Public(TKeyUsageX509 aUsage)

	{

	TKeyUsagePKCS15 result = EPKCS15UsageNone;

	if (EX509UsageAll == aUsage)

		{

		result = EPKCS15UsageAll;

		}

	else

		{

		if (aUsage & EX509UsageDataEncipherment)

			{

			result |= EPKCS15UsageEncrypt;

			}

		if (aUsage & (EX509UsageDigitalSignature | EX509UsageKeyCertSign | EX509UsageCRLSign))

			{

			result |= EPKCS15UsageVerify | EPKCS15UsageVerifyRecover;

			}

		if (aUsage & EX509UsageKeyAgreement)

			{

			result |= EPKCS15UsageDerive;

			}

		if (aUsage & EX509UsageKeyEncipherment)

			{

			result |= EPKCS15UsageWrap;

			}

		if (aUsage & EX509UsageNonRepudiation)

			{//	This shouldn't really happen, ENonRepudiation should be sole usage

			result |= EPKCS15UsageNonRepudiation;

			}

		}

	return result;

	}

EXPORT_C TKeyUsageX509 KeyUsagePKCS15ToX509(TKeyUsagePKCS15 aUsage)

	{

	TKeyUsageX509 result = EX509UsageNone;

	if (EPKCS15UsageAll == aUsage)

		{

		result = EX509UsageAll;

		}

	else

		{

		if (aUsage & (EPKCS15UsageEncrypt | EPKCS15UsageDecrypt))

			{

			result |= EX509UsageDataEncipherment;

			}

		if (aUsage & (EPKCS15UsageVerify | EPKCS15UsageSign | EPKCS15UsageVerifyRecover | EPKCS15UsageSignRecover))

			{

			result |= EX509UsageDigitalSignature | EX509UsageKeyCertSign | EX509UsageCRLSign;

			}

		if (aUsage & EPKCS15UsageDerive)

			{

			result |= EX509UsageKeyAgreement;

			}

		if (aUsage & (EPKCS15UsageWrap | EPKCS15UsageUnwrap))

			{

			result |= EX509UsageKeyEncipherment;

			}

		if (aUsage & EPKCS15UsageNonRepudiation)

			{

			result |= EX509UsageNonRepudiation;

			}

		}

	return result;

	}