/*

* Copyright (c) 2004 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:    .

*

*/

// INCLUDES

#include <e32std.h>

#include "srtpmasterkey.h"

#include "srtpmastersalt.h"

#include "srtpcryptocontext.h"

#include "srtpdef.h"

#include "srtputils.h"

// ---------------------------------------------------------------------------

// Two-phased constructor. Used when stream uses its own cryptographic context

// 

// ---------------------------------------------------------------------------

//

EXPORT_C CSRTPMasterSalt* CSRTPMasterSalt::NewL( const TDesC8& aKey, TUint aN_S )

    {

    CSRTPMasterSalt* self = CSRTPMasterSalt::NewLC( aKey, aN_S );

    CleanupStack::Pop( self );        

    return self;

    }	

// ---------------------------------------------------------------------------

// Two-phased constructor. Used when stream uses its own cryptographic context

// 

// ---------------------------------------------------------------------------

//

EXPORT_C CSRTPMasterSalt* CSRTPMasterSalt::NewLC( const TDesC8& aKey, TUint aN_S )

    {

    CSRTPMasterSalt* self = new( ELeave )CSRTPMasterSalt ( aN_S );

    CleanupStack::PushL( self );    

    self->ConstructL( aKey );

    return self;

    }	

// ---------------------------------------------------------------------------

// CSRTPMasterSalt::CSRTPMasterSalt

// ---------------------------------------------------------------------------

//

CSRTPMasterSalt::CSRTPMasterSalt( TUint aN_S ) :

            iN_S( aN_S )

            {

            }

// -----------------------------------------------------------------------------

// CSRTPMasterSalt::ConstructL

// -----------------------------------------------------------------------------

//

void CSRTPMasterSalt::ConstructL(  const TDesC8& aKey )

	{

    iKey = aKey.AllocL();

    if(aKey.Length()>14)

    	{

    	TSRTPUtils::HexString( *iKey );	

    	}

	}

// ---------------------------------------------------------------------------

// CSRTPMasterSalt::~CSRTPMasterSalt

// ---------------------------------------------------------------------------

//

CSRTPMasterSalt::~CSRTPMasterSalt( )

    {

    delete iKey;

    }

// ---------------------------------------------------------------------------

// CSRTPMasterSalt::MasterSalt

// ---------------------------------------------------------------------------

//

EXPORT_C  const TDesC8& CSRTPMasterSalt::MasterSalt() const

    {

    return *iKey;

    }

// ---------------------------------------------------------------------------

// CSRTPMasterSalt::SaltLength

// ---------------------------------------------------------------------------

//

EXPORT_C  TUint CSRTPMasterSalt::SaltLength() const

    {

    return iN_S;

    }

// ---------------------------------------------------------------------------

// CSRTPMasterSalt::operator=

// ---------------------------------------------------------------------------

//

 const CSRTPMasterSalt& CSRTPMasterSalt::operator=(const CSRTPMasterSalt& aSalt)

    {

    return aSalt;

    }

// ---------------------------------------------------------------------------

// CSRTPMasterSalt::Valid()

// ---------------------------------------------------------------------------

//       

EXPORT_C  TBool CSRTPMasterSalt::Valid() const

    {    

    if (iKey->Length() != KSRTPDefaultMasterSaltLength/8)

        {

        return EFalse;

        }       

    if (iN_S != KSRTPDefSessionSaltingKeyLength)

        {

        return EFalse;

        }                   

    return ETrue;

    }