Symaptic: os/security/crypto/weakcryptospi/test/tplugins/src/randomimpl.cpp@260cb5ec6c19

     1 /*

     2 * Copyright (c) 2005-2009 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 */

    23 #include <e32std.h>

    24 #include <e32math.h>

    25 #include <e32debug.h>

    27 #include "randomimpl.h"

    28 #include "pluginentry.h"

    29 #include "pluginconfig.h"

    30 #include "securityerr.h"

    32 using namespace SoftwareCrypto;

    35 CRandomImpl* CRandomImpl::NewL(TUid aImplementationUid)

    36 	{

    37 	CRandomImpl* self = new(ELeave)CRandomImpl(aImplementationUid);

    38 	return self;

    39 	}

    41 CRandomImpl* CRandomImpl::NewLC(TUid aImplementationUid)

    42 	{

    43 	CRandomImpl* self = NewL(aImplementationUid);

    44 	CleanupStack::PushL(self);

    45 	return self;

    46 	}

    48 void CRandomImpl::GenerateRandomBytesL(TDes8& aDestination)

    49 	{

    50     // Call the Math library to populate the buffer with random data.

    51     TRAPD(err, Math::RandomL(aDestination));

    52     if(err != KErrNone)

    53         {

    54         // As the end users are interested only in the security aspect of the output but not

    55         // the internal states, accordingly translate the kernel side error code if required.

    56         err = (err == KErrNotReady) ? KErrNotSecure : err;

    58         User::Leave(err);

    59         }

    60 	}

    62 CRandomImpl::CRandomImpl(TUid aImplementationUid) : iImplementationUid(aImplementationUid)

    63 	{

    64 	}

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

    67 	{

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

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

    70 		{

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

    72 			{

    73 			aPluginCharacteristics = KRandomCharacteristics[i];

    74 			break;

    75 			}

    76 		}

    77 	}

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

    80 	{

    81 	return NULL;

    82 	}

    84 CExtendedCharacteristics* CRandomImpl::CreateExtendedCharacteristicsL()

    85 	{

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

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

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

    89 	}

    91 const CExtendedCharacteristics* CRandomImpl::GetExtendedCharacteristicsL()

    92 	{

    93 	return CRandomImpl::CreateExtendedCharacteristicsL();

    94 	}

    96 TUid CRandomImpl::ImplementationUid() const

    97 	{

    98 	return iImplementationUid;

    99 	}

   101 CRandomImpl::~CRandomImpl()

   102 	{

   103 	}

   105 void CRandomImpl::Close()

   106 	{

   107 	delete this;

   108 	}

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

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

   112 void CRandomImpl::Reset()

   113 	{

   114 	}

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--