/*
* Copyright (c) 2007-2009 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:
*
*/
/**
@file
@internalComponent
@released
*/
#include <e32std.h>
#include <e32debug.h>
#include "randomimpl.h"
#include "pluginentry.h"
#include "pluginconfig.h"
#include "randsvr.h"
#include "randcliserv.h"
using namespace HwCrypto;
_LIT(KLddFileName,"cryptoldd.ldd");
_LIT(KPddFileName,"crypto.h4.pdd");
CRandomImpl* CRandomImpl::NewL()
{
CRandomImpl* self = NewLC();
CleanupStack::Pop(self);
return self;
}
CRandomImpl* CRandomImpl::NewLC()
{
CRandomImpl* self = new(ELeave)CRandomImpl();
CleanupStack::PushL(self);
self->ConstructL();
return self;
}
void CRandomImpl::ConstructL()
{
// RDebug::Printf("CRandomImpl::ConstructL");
// Load PDD
TInt r = User::LoadPhysicalDevice(KPddFileName);
if((r != KErrNone) && (r != KErrAlreadyExists)) User::Leave(r);
// Load LDD
r = User::LoadLogicalDevice(KLddFileName);
if((r != KErrNone) && (r != KErrAlreadyExists)) User::Leave(r);
// Open driver handle
User::LeaveIfError(iCryptoDriver.Open());
}
void CRandomImpl::GenerateRandomBytesL(TDes8& aDest)
{
TRequestStatus status;
iCryptoDriver.Random(status, aDest);
User::WaitForRequest(status);
User::LeaveIfError(status.Int());
}
CRandomImpl::CRandomImpl()
{
}
const CExtendedCharacteristics* CRandomImpl::GetExtendedCharacteristicsL()
{
return StaticGetExtendedCharacteristicsL();
}
CExtendedCharacteristics* CRandomImpl::StaticGetExtendedCharacteristicsL()
{
// All Symbian software plug-ins have unlimited concurrency, cannot be reserved
// for exclusive use and are not CERTIFIED to be standards compliant.
return CExtendedCharacteristics::NewL(KMaxTInt, EFalse);
}
void CRandomImpl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics)
{
TInt randomNum = sizeof(KRandomCharacteristics)/sizeof(TRandomCharacteristics*);
for (TInt i = 0; i < randomNum; i++)
{
if (KRandomCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid)
{
aPluginCharacteristics = KRandomCharacteristics[i];
break;
}
}
}
TAny* CRandomImpl::GetExtension(TUid /*aExtensionId*/)
{
return NULL;
}
TUid CRandomImpl::ImplementationUid() const
{
return KCryptoPluginRandomUid;
}
CRandomImpl::~CRandomImpl()
{
iCryptoDriver.Close();
// RDebug::Printf("CRandomImpl::~CRandomImpl");
}
void CRandomImpl::Close()
{
delete this;
}
// All crypto plugins must implement this, to reset
// hardware if required. Do nothing in this version
void CRandomImpl::Reset()
{
}
// End of file