1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/crypto/weakcryptospi/test/tplugins/src/randomimpl.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,114 @@
1.4 +/*
1.5 +* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of the License "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +/**
1.23 + @file
1.24 +*/
1.25 +
1.26 +#include <e32std.h>
1.27 +#include <e32math.h>
1.28 +#include <e32debug.h>
1.29 +
1.30 +#include "randomimpl.h"
1.31 +#include "pluginentry.h"
1.32 +#include "pluginconfig.h"
1.33 +#include "securityerr.h"
1.34 +
1.35 +using namespace SoftwareCrypto;
1.36 +
1.37 +
1.38 +CRandomImpl* CRandomImpl::NewL(TUid aImplementationUid)
1.39 + {
1.40 + CRandomImpl* self = new(ELeave)CRandomImpl(aImplementationUid);
1.41 + return self;
1.42 + }
1.43 +
1.44 +CRandomImpl* CRandomImpl::NewLC(TUid aImplementationUid)
1.45 + {
1.46 + CRandomImpl* self = NewL(aImplementationUid);
1.47 + CleanupStack::PushL(self);
1.48 + return self;
1.49 + }
1.50 +
1.51 +void CRandomImpl::GenerateRandomBytesL(TDes8& aDestination)
1.52 + {
1.53 + // Call the Math library to populate the buffer with random data.
1.54 + TRAPD(err, Math::RandomL(aDestination));
1.55 + if(err != KErrNone)
1.56 + {
1.57 + // As the end users are interested only in the security aspect of the output but not
1.58 + // the internal states, accordingly translate the kernel side error code if required.
1.59 + err = (err == KErrNotReady) ? KErrNotSecure : err;
1.60 +
1.61 + User::Leave(err);
1.62 + }
1.63 + }
1.64 +
1.65 +CRandomImpl::CRandomImpl(TUid aImplementationUid) : iImplementationUid(aImplementationUid)
1.66 + {
1.67 + }
1.68 +
1.69 +void CRandomImpl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics)
1.70 + {
1.71 + TInt randomNum = sizeof(KRandomCharacteristics)/sizeof(TRandomCharacteristics*);
1.72 + for (TInt i = 0; i < randomNum; i++)
1.73 + {
1.74 + if (KRandomCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid)
1.75 + {
1.76 + aPluginCharacteristics = KRandomCharacteristics[i];
1.77 + break;
1.78 + }
1.79 + }
1.80 + }
1.81 +
1.82 +TAny* CRandomImpl::GetExtension(TUid /*aExtensionId*/)
1.83 + {
1.84 + return NULL;
1.85 + }
1.86 +
1.87 +CExtendedCharacteristics* CRandomImpl::CreateExtendedCharacteristicsL()
1.88 + {
1.89 + // All Symbian software plug-ins have unlimited concurrency, cannot be reserved
1.90 + // for exclusive use and are not CERTIFIED to be standards compliant.
1.91 + return CExtendedCharacteristics::NewL(KMaxTInt, EFalse);
1.92 + }
1.93 +
1.94 +const CExtendedCharacteristics* CRandomImpl::GetExtendedCharacteristicsL()
1.95 + {
1.96 + return CRandomImpl::CreateExtendedCharacteristicsL();
1.97 + }
1.98 +
1.99 +TUid CRandomImpl::ImplementationUid() const
1.100 + {
1.101 + return iImplementationUid;
1.102 + }
1.103 +
1.104 +CRandomImpl::~CRandomImpl()
1.105 + {
1.106 + }
1.107 +
1.108 +void CRandomImpl::Close()
1.109 + {
1.110 + delete this;
1.111 + }
1.112 +
1.113 +// All crypto plugins must implement this, to reset
1.114 +// hardware if required. Do nothing in this version
1.115 +void CRandomImpl::Reset()
1.116 + {
1.117 + }