Symaptic: os/security/cryptoplugins/cryptospiplugins/test/h4drv/crypto_h4

     1 /*

     2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    19 /**

    20  @file

    21  @internalComponent

    22  @released

    23 */

    24 #include <e32std.h>

    25 #include <e32debug.h>

    27 #include "randomimpl.h"

    28 #include "pluginentry.h"

    29 #include "pluginconfig.h"

    31 using namespace HwCrypto;

    33 _LIT(KLddFileName,"cryptoldd.ldd");

    34 _LIT(KPddFileName,"crypto.h4.pdd");

    37 CRandomImpl* CRandomImpl::NewL()

    38 	{

    39 	CRandomImpl* self = NewLC();

    40 	CleanupStack::Pop(self);

    41 	return self;

    42 	}

    44 CRandomImpl* CRandomImpl::NewLC()

    45 	{

    46 	CRandomImpl* self = new(ELeave)CRandomImpl();

    47 	CleanupStack::PushL(self);

    48 	self->ConstructL();

    49 	return self;

    50 	}

    52 void CRandomImpl::ConstructL()

    53 	{

    54 	//	RDebug::Printf("CRandomImpl::ConstructL");

    55 	// Load PDD

    56     TInt r = User::LoadPhysicalDevice(KPddFileName);

    57 	if((r != KErrNone) && (r != KErrAlreadyExists)) User::Leave(r);

    59 	// Load LDD

    60     r = User::LoadLogicalDevice(KLddFileName);

    61 	if((r != KErrNone) && (r != KErrAlreadyExists)) User::Leave(r);

    63 	// Open driver handle

    64 	User::LeaveIfError(iCryptoDriver.Open());

    65 	}

    68 void CRandomImpl::GenerateRandomBytesL(TDes8& aDest)

    69 	{

    70     TRequestStatus status;

    71 	iCryptoDriver.Random(status, aDest);

    72 	User::WaitForRequest(status);

    73 	User::LeaveIfError(status.Int());

    74 	}

    76 CRandomImpl::CRandomImpl()

    77 	{

    78 	}

    81 const CExtendedCharacteristics* CRandomImpl::GetExtendedCharacteristicsL()

    82 	{

    83 	return StaticGetExtendedCharacteristicsL();

    84 	}

    86 CExtendedCharacteristics* CRandomImpl::StaticGetExtendedCharacteristicsL()

    87 	{

    88 	// All Symbian software plug-ins have unlimited concurrency, cannot be reserved

    89 	// for exclusive use and are not CERTIFIED to be standards compliant.

    90 	return CExtendedCharacteristics::NewL(KMaxTInt, EFalse);

    91 	}

    93 void CRandomImpl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics)

    94 	{

    95 	TInt randomNum = sizeof(KRandomCharacteristics)/sizeof(TRandomCharacteristics*);

    96 	for (TInt i = 0; i < randomNum; i++)

    97 		{

    98 		if (KRandomCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid)

    99 			{

   100 			aPluginCharacteristics = KRandomCharacteristics[i];

   101 			break;

   102 			}

   103 		}

   104 	}

   106 TAny* CRandomImpl::GetExtension(TUid /*aExtensionId*/)

   107 	{

   108 	return NULL;

   109 	}

   111 TUid CRandomImpl::ImplementationUid() const

   112 	{

   113 	return KCryptoPluginRandomUid;

   114 	}

   116 CRandomImpl::~CRandomImpl()

   117 	{

   118 	iCryptoDriver.Close();

   119 	//	RDebug::Printf("CRandomImpl::~CRandomImpl");

   120 	}

   122 void CRandomImpl::Close()

   123 	{

   124 	delete this;

   125 	}

   127 // All crypto plugins must implement this, to reset

   128 // hardware if required. Do nothing in this version

   129 void CRandomImpl::Reset()

   130 	{

   131 	}

   133 // End of file

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--