/*
* Copyright (c) 2006 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:   The header file of DevTokenMarshaller
*
*/



#ifndef __DEVTOKENMARSHALLER_H__
#define __DEVTOKENMARSHALLER_H__

#include <e32std.h>
#include <s32strm.h>
#include <ct/rmpointerarray.h>

/**
 * Marshalling and unmarshalling utils for the filetokens server This is used by
 * both client and server dlls.
 */

class MCTToken;
class CKeyInfoBase;
class CCTKeyInfo;
class CDevTokenKeyInfo;
class MDevTokenKeyInfoArray;
class CDSASignature;
class CRSASignature;
struct TDHParams;
class CDevTokenDHParams;
class CDHPublicKey;
class TInteger;
class RInteger;
class MCertInfo;
class CCTCertInfo;
class CDevTokenCertInfo;
class TCertificateAppInfo;
class CCertAttributeFilter;
class MKeyEncryptor;

// 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.

// Add 48 bytes on top of 256 bytes ( 2048 bits ) for
// Size of info data which is added to encrypt output. 
// padding 16 bytes + salt 32 bytes = 48. 
const TInt KMaxIntegerSize = 304;
const TInt KMaxSiteName = 100;

// 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);

/** 
 * Decrypted the content and create the object.
 * 
 *  @lib DevTokenShared.dll
 *  @since S60 v3.2
 */
IMPORT_C void DecryptAndCreateLC(RReadStream& aIn, RInteger& aOut, MKeyEncryptor* aEncryptor);

/** 
 * encrypted the content and store.
 * 
 *  @lib DevTokenShared.dll
 *  @since S60 v3.2
 */
 
IMPORT_C void EncryptAndStoreL(const TInteger& aIn, RWriteStream& aOut, MKeyEncryptor* aEncryptor );


/** 
 * Marshals data over the IPC boundary between filetokens client and server.
 * 
 *  @lib DevTokenShared.dll
 *  @since S60 v3.2
 */
class DevTokenDataMarshaller
    {
    // 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, MDevTokenKeyInfoArray& 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 CDevTokenDHParams& aIn);
        
        IMPORT_C static void WriteL(const CDevTokenDHParams& 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);
        
        IMPORT_C static void ReadL(const TDesC8& aIn, RPointerArray<HBufC>& aOut);
        
        IMPORT_C static TInt Size(const RPointerArray<HBufC>& aIn);
        
        IMPORT_C static void Write(const RPointerArray<HBufC>& aIn, TDes8& aOut );

    // Used by server
    public:
        
        IMPORT_C static void ReadL(const TDesC8& aIn, CDevTokenKeyInfo*& aOut);
        
        IMPORT_C static TInt Size(const RPointerArray<CDevTokenKeyInfo>& aIn);
        
        IMPORT_C static void Write(const RPointerArray<CDevTokenKeyInfo>& 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, CDevTokenDHParams*& 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, CDevTokenCertInfo*& aOut);
        
        IMPORT_C static TInt Size(const RPointerArray<CDevTokenCertInfo>& aIn);
        
        IMPORT_C static void Write(const RPointerArray<CDevTokenCertInfo>& 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 //__DEVTOKENMARSHALLER_H__

//EOF