/*

* 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: 

* General Security Definitions

*

*/

/**

 @file 

*/

#ifndef __SECURITYDEFS_H__

#define __SECURITYDEFS_H__

#include <e32std.h>

#include <e32base.h>

/** General Security Definitions */

// Old keystore interface, deprecated //////////////////////////////////////////

/**

 * What a key can be used for.

 * The values this can take are defined in TKeyUsageVals.

 *

 * @deprecated

 */

typedef TInt TKeyUsage;

/**

 * What a key can be used for.

 *

 * These values can be ORed together if a key has several usages. EAllKeyUsages

 * is used when searching for all keys, rather than ones with a particular

 * usage.  As these can be combined, TKeyUsage is used to store them.

 *

 * @deprecated

 */

enum TKeyUsageVals

	{

    EDigitalSignature =  0x80000000,

    ENonRepudiation =  0x40000000,

    EKeyEncipherment =  0x20000000,

    EDataEncipherment =  0x10000000,

    EKeyAgreement =   0x08000000,

    EKeyCertSign =   0x04000000,

    ECRLSign =    0x02000000,

    EEncipherOnly =   0x01000000,

    EDecipherOnly =   0x00800000,

    EAllKeyUsages =   -1

	};

// End of deprecated keystore API //////////////////////////////////////////////

/**

 * What a key can be used for - PKCS#15 scheme.

 *

 */

enum TKeyUsagePKCS15

	{

	EPKCS15UsageEncrypt				= 0x001,

	EPKCS15UsageDecrypt				= 0x002,

	EPKCS15UsageSign				= 0x004,

	EPKCS15UsageSignRecover			= 0x008,

	EPKCS15UsageWrap				= 0x010,

	EPKCS15UsageUnwrap				= 0x020,	

	EPKCS15UsageVerify				= 0x040,

	EPKCS15UsageVerifyRecover		= 0x080,

	EPKCS15UsageDerive				= 0x100,

	EPKCS15UsageNonRepudiation		= 0x200,

	// Common combinations

	EPKCS15UsageEncryptWrap         = 0x011,

	EPKCS15UsageVerifyVerifyRecover = 0x0C0,

	EPKCS15UsageDecryptUnwrap       = 0x022,

	EPKCS15UsageSignSignRecover     = 0x00C,

	EPKCS15UsageVerifyEncrypt       = 0x0D1,

	EPKCS15UsageSignDecrypt         = 0x02E,

	// For use in filters to return all keys

	EPKCS15UsageAll					= 0xffffffff,

	EPKCS15UsageNone				= 0x00000000

	};

inline TKeyUsagePKCS15 operator|(TKeyUsagePKCS15 aLeft, TKeyUsagePKCS15 aRight);

inline TKeyUsagePKCS15 operator&(TKeyUsagePKCS15 aLeft, TKeyUsagePKCS15 aRight);

inline const TKeyUsagePKCS15& operator|=(TKeyUsagePKCS15& aLeft, TKeyUsagePKCS15 aRight);

inline const TKeyUsagePKCS15& operator&=(TKeyUsagePKCS15& aLeft, TKeyUsagePKCS15 aRight);

/**

 * What a key can be used for - X.509 scheme.

 *

 */

enum TKeyUsageX509

	{

	EX509UsageDigitalSignature		= 0x80000000,

	EX509UsageNonRepudiation		= 0x40000000,

	EX509UsageKeyEncipherment		= 0x20000000,

	EX509UsageDataEncipherment		= 0x10000000,

	EX509UsageKeyAgreement			= 0x08000000,

	EX509UsageKeyCertSign			= 0x04000000,

	EX509UsageCRLSign				= 0x02000000,

	EX509UsageEncipherOnly			= 0x01000000,

	EX509UsageDecipherOnly			= 0x00800000,

	// Values for commonly permitted combinations

	EX509UsageAnySign               = 0x86000000,

	EX509UsageAllEncipher           = 0x30000000,

	EX509UsageAllSignEncipher       = 0xB6000000,

	/// For use in filters to return all keys

	EX509UsageAll					= 0xffffffff,

	EX509UsageNone					= 0x00000000

	};

inline TKeyUsageX509 operator|(TKeyUsageX509 aLeft, TKeyUsageX509 aRight);

inline TKeyUsageX509 operator&(TKeyUsageX509 aLeft, TKeyUsageX509 aRight);

inline const TKeyUsageX509& operator|=(TKeyUsageX509& aLeft, TKeyUsageX509 aRight);

inline const TKeyUsageX509& operator&=(TKeyUsageX509& aLeft, TKeyUsageX509 aRight);

/** 

 *

 *

 * @param aUsage

 * @return

 */

IMPORT_C TKeyUsageX509 KeyUsagePKCS15ToX509(TKeyUsagePKCS15 aUsage);

/** 

 *

 *

 * @param aUsage

 * @return

 */

IMPORT_C TKeyUsagePKCS15 KeyUsageX509ToPKCS15Private(TKeyUsageX509 aUsage);

/** 

 *

 *

 * @param aUsage

 * @return

 */

IMPORT_C TKeyUsagePKCS15 KeyUsageX509ToPKCS15Public(TKeyUsageX509 aUsage);

/**

 * Supported types of certificate format. Note these must be only 1 byte long as

 * the file cert store only seralises them as 1 byte.

 * 

 */

enum TCertificateFormat

	{

    EX509Certificate    = 0x00,

    EWTLSCertificate    = 0x01,

	EX968Certificate    = 0x02,

	EUnknownCertificate = 0x0f,

	EX509CertificateUrl = 0x10,

	EWTLSCertificateUrl = 0x11,

	EX968CertificateUrl = 0x12

	};

/**

 * The owner of a certificate.

 * 

 */

enum TCertificateOwnerType

	{

	ECACertificate,

	EUserCertificate,

	EPeerCertificate

	};

/** The length of a SHA-1 hash 

 * 

 */

const TInt KSHA1HashLengthBytes = 20;

/**

 * A SHA-1 hash.

 * 

 */

typedef  TBuf8<KSHA1HashLengthBytes> TSHA1Hash;

//const TInt KMD5HashLengthBytes = 16;

//typedef TMD5Hash TBufC8<KMD5HashLengthBytes>;

/**

 * A SHA-1 hash is also used as a key identifier.

 * 

 */

typedef TSHA1Hash TKeyIdentifier;

/**

 * Errors that can occur when validating a certificate chain.

 * 

 * Except EValidatedOK, all these are fatal errors unless specified.

 *

 */

enum TValidationError

	{

	/** Validation OK */

	EValidatedOK,

	/** Certificate chain has no root */

	EChainHasNoRoot,

	/** Invalid signature  */

	ESignatureInvalid,

	/** Date out of range */

	EDateOutOfRange,

	/** Name is excluded */

	ENameIsExcluded,

	/** Name is not permitted */

	ENameNotPermitted,	//subtle difference here!

	/** Not a CA certificate */

	ENotCACert,

	/** Certificate revoked */

	ECertificateRevoked,

	/** Unrecognized critical extension */

	EUnrecognizedCriticalExtension,

	/** No basic constraint in CA certificate */

	ENoBasicConstraintInCACert,

	/** No acceptable policy */

	ENoAcceptablePolicy,

	/** Path too long */

	EPathTooLong,

	/** Negative path length specified */

	ENegativePathLengthSpecified,

	/** Names do not chain */

	ENamesDontChain,

	/** Required policy not found */

	ERequiredPolicyNotFound,

	/** Bad key usage */

	EBadKeyUsage,

	/** 

	 * Root certificate not self-signed.

	 * 

	 * We cannot tell if this is fatal or not, as we lack the context.

	 */

	ERootCertNotSelfSigned,

	/** 

	 * Critical extended key usage

	 * 

	 * We cannot tell if this is fatal or not, as we lack the context.

	 */

	ECriticalExtendedKeyUsage,

	/** 

	 * Critical certificate policies with qualifiers

	 * 

	 * We cannot tell if this is fatal or not, as we lack the context.

	 */

	ECriticalCertPoliciesWithQualifiers,

	/** 

	 * Critical policy mapping

	 * 

	 * We cannot tell if this is fatal or not, as we lack the context.

	 */

	ECriticalPolicyMapping,

	/** 

	 * Critical Device Id

	 * 

	 * We cannot tell if this is fatal or not, as we lack the context.

	 */

	ECriticalDeviceId,

	/** 

	 * Critical Sid

	 * 

	 * We cannot tell if this is fatal or not, as we lack the context.

	 */

	ECriticalSid,

	/** 

	 * Critical Vid

	 * 

	 * We cannot tell if this is fatal or not, as we lack the context.

	 */

	ECriticalVid,

	/** 

	 * Critical Capabilities

	 * 

	 * We cannot tell if this is fatal or not, as we lack the context.

	 */

	ECriticalCapabilities

	};

#include "securitydefs.inl"

#endif