| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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|
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/** |
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@file |
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@internalComponent |
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@released |
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*/ |
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#include <e32std.h> |
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#include <e32debug.h> |
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|
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#include "randomimpl.h" |
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#include "pluginentry.h" |
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#include "pluginconfig.h" |
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|
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using namespace HwCrypto; |
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|
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_LIT(KLddFileName,"cryptoldd.ldd"); |
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_LIT(KPddFileName,"crypto.h4.pdd"); |
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|
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|
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CRandomImpl* CRandomImpl::NewL() |
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{
|
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CRandomImpl* self = NewLC(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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|
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CRandomImpl* CRandomImpl::NewLC() |
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{
|
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CRandomImpl* self = new(ELeave)CRandomImpl(); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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return self; |
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} |
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|
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void CRandomImpl::ConstructL() |
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{
|
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// RDebug::Printf("CRandomImpl::ConstructL");
|
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// Load PDD |
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TInt r = User::LoadPhysicalDevice(KPddFileName); |
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if((r != KErrNone) && (r != KErrAlreadyExists)) User::Leave(r); |
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|
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// Load LDD |
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r = User::LoadLogicalDevice(KLddFileName); |
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if((r != KErrNone) && (r != KErrAlreadyExists)) User::Leave(r); |
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|
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// Open driver handle |
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User::LeaveIfError(iCryptoDriver.Open()); |
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} |
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|
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|
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void CRandomImpl::GenerateRandomBytesL(TDes8& aDest) |
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{
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TRequestStatus status; |
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iCryptoDriver.Random(status, aDest); |
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User::WaitForRequest(status); |
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User::LeaveIfError(status.Int()); |
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} |
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|
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CRandomImpl::CRandomImpl() |
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{
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} |
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|
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|
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const CExtendedCharacteristics* CRandomImpl::GetExtendedCharacteristicsL() |
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{
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return StaticGetExtendedCharacteristicsL(); |
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} |
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|
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CExtendedCharacteristics* CRandomImpl::StaticGetExtendedCharacteristicsL() |
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{
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// All Symbian software plug-ins have unlimited concurrency, cannot be reserved |
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// for exclusive use and are not CERTIFIED to be standards compliant. |
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return CExtendedCharacteristics::NewL(KMaxTInt, EFalse); |
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} |
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|
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void CRandomImpl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics) |
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{
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TInt randomNum = sizeof(KRandomCharacteristics)/sizeof(TRandomCharacteristics*); |
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for (TInt i = 0; i < randomNum; i++) |
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{
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if (KRandomCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid) |
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{
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aPluginCharacteristics = KRandomCharacteristics[i]; |
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break; |
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} |
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} |
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} |
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|
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TAny* CRandomImpl::GetExtension(TUid /*aExtensionId*/) |
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{
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return NULL; |
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} |
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|
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TUid CRandomImpl::ImplementationUid() const |
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{
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return KCryptoPluginRandomUid; |
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} |
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|
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CRandomImpl::~CRandomImpl() |
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{
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iCryptoDriver.Close(); |
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// RDebug::Printf("CRandomImpl::~CRandomImpl");
|
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} |
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|
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void CRandomImpl::Close() |
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{
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delete this; |
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} |
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|
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// All crypto plugins must implement this, to reset |
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// hardware if required. Do nothing in this version |
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void CRandomImpl::Reset() |
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{
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} |
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|
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// End of file |