/*

* Copyright (c) 2004-2009 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: 

*

*/

#ifndef __FSMARSHALLER_H__

#define __FSMARSHALLER_H__

#include <e32std.h>

#include <s32strm.h>

#include <ct/rmpointerarray.h>

/**

 * @file

 * @internalComponent

 *

 * Marshalling and unmarshalling utils for the filetokens server This is used by

 * both client and server dlls.

 */

class MCTToken;

class CKeyInfoBase;

class CCTKeyInfo;

class CKeyInfo;

class MKeyInfoArray;

class CDSASignature;

class CRSASignature;

class CPBEncryptParms;

struct TDHParams;

class CDHParams;

class CDHPublicKey;

class TInteger;

class RInteger;

class MCertInfo;

class CCTCertInfo;

class CCertInfo;

class TCertificateAppInfo;

class CCertAttributeFilter;

/// A macro that marks a type as externalized by a global function

#define EXTERNALIZE_FUNCTION(TYPE) \

inline Externalize::Function Externalization(const TYPE*) \

	{ \

	return Externalize::Function(); \

	}

// Serialization for bigints, used in server

/**

 * Maximum size of integer to decode - keys are limited to 2048 bits, so nothing

 * we pass around should be bigger than this.

 */

const TInt KMaxIntegerSize = 256;

/**

 * Maximum size in bytes of serialised representations, given the limit on key

 * size.

 */

const TInt KMaxDSASignatureSize = 48;	// Two 160 bit integers

const TInt KMaxRSASignatureSize = 516;	// One 4096 bit integer

const TInt KMaxRSAPlaintextSize = 516;	// One 4096 bit integer

const TInt KMaxDHAgreedKeySize = 516;	// One 4096 bit integer

// enum for handling panics

enum KTokenMarshallerPanics

	{ 

	ESerialisationPanic

	};

EXTERNALIZE_FUNCTION(TInteger)

IMPORT_C void ExternalizeL(const TInteger& aIn, RWriteStream& aOut);

IMPORT_C void CreateLC(RReadStream& aIn, RInteger& aOut);

/**	Marshals data over the IPC boundary between filetokens client and server. */

class TokenDataMarshaller

	{

	// Common

public:

	IMPORT_C static void ReadL(const TDesC8& aIn, RArray<TUid>& aOut);

	IMPORT_C static TInt Size(const CKeyInfoBase& aIn);

	IMPORT_C static void Write(const CKeyInfoBase& aIn, TDes8& aOut);

	IMPORT_C static TInt Size(const RArray<TUid>& aIn);

	IMPORT_C static void Write(const RArray<TUid>& aIn, TDes8& aOut);

	IMPORT_C static TInt Size(const MCertInfo& aIn);

	IMPORT_C static void Write(const MCertInfo& aIn, TDes8& aOut);

	// Used by client 

public:	

	IMPORT_C static void ReadL(const TDesC8& aIn, MCTToken& aToken, MKeyInfoArray& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, MCTToken& aToken, CCTKeyInfo*& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, CDSASignature*& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, CRSASignature*& aOut);

	IMPORT_C static TInt Size(const CPBEncryptParms& aIn);	

	IMPORT_C static void Write(const CPBEncryptParms& aIn,  TDes8& aOut);

	IMPORT_C static TInt Size(const CDHParams& aIn);

	IMPORT_C static void WriteL(const CDHParams& aIn, TDes8& aOut);

	IMPORT_C static TInt Size(const CDHPublicKey& aIn);

	IMPORT_C static void WriteL(const CDHPublicKey& aIn, TDes8& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, RInteger& aInteger);

	IMPORT_C static void ReadL(const TDesC8& aIn, MCTToken& aToken, RMPointerArray<CCTCertInfo>& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, MCTToken& aToken, CCTCertInfo*& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, RArray<TCertificateAppInfo>& aOut);

	IMPORT_C static TInt Size(const CCertAttributeFilter& aIn);

	IMPORT_C static void WriteL(const CCertAttributeFilter& aIn, TDes8& aOut);

	// Used by server

public:

	IMPORT_C static void ReadL(const TDesC8& aIn, CKeyInfo*& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, CPBEncryptParms*& aOut);

	IMPORT_C static TInt Size(const RPointerArray<CKeyInfo>& aIn);

	IMPORT_C static void Write(const RPointerArray<CKeyInfo>& aIn, TDes8& aOut);

	IMPORT_C static TInt Size(const CDSASignature& aIn);

	IMPORT_C static void WriteL(const CDSASignature& aIn, TDes8& aOut);

	IMPORT_C static TInt Size(const CRSASignature& aIn);

	IMPORT_C static void WriteL(const CRSASignature& aIn, TDes8& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, CDHParams*& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, CDHPublicKey*& aOut);

	IMPORT_C static TInt Size(const TInteger& aIn);

	IMPORT_C static void WriteL(const TInteger& aIn, TDes8& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, CCertInfo*& aOut);

	IMPORT_C static TInt Size(const RPointerArray<CCertInfo>& aIn);

	IMPORT_C static void Write(const RPointerArray<CCertInfo>& aIn, TDes8& aOut);

	IMPORT_C static TInt Size(const RArray<TCertificateAppInfo>& aIn);   

	IMPORT_C static void Write(const RArray<TCertificateAppInfo>& aIn, TDes8& aOut);

	IMPORT_C static void ReadL(const TDesC8& aIn, CCertAttributeFilter*& aOut);

	};

#endif