|
sl@0
|
1 |
/*
|
|
sl@0
|
2 |
* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
3 |
* All rights reserved.
|
|
sl@0
|
4 |
* This component and the accompanying materials are made available
|
|
sl@0
|
5 |
* under the terms of the License "Eclipse Public License v1.0"
|
|
sl@0
|
6 |
* which accompanies this distribution, and is available
|
|
sl@0
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
8 |
*
|
|
sl@0
|
9 |
* Initial Contributors:
|
|
sl@0
|
10 |
* Nokia Corporation - initial contribution.
|
|
sl@0
|
11 |
*
|
|
sl@0
|
12 |
* Contributors:
|
|
sl@0
|
13 |
*
|
|
sl@0
|
14 |
* Description:
|
|
sl@0
|
15 |
*
|
|
sl@0
|
16 |
*/
|
|
sl@0
|
17 |
|
|
sl@0
|
18 |
|
|
sl@0
|
19 |
/**
|
|
sl@0
|
20 |
@file
|
|
sl@0
|
21 |
*/
|
|
sl@0
|
22 |
|
|
sl@0
|
23 |
#include <e32std.h>
|
|
sl@0
|
24 |
#include <e32math.h>
|
|
sl@0
|
25 |
#include <e32debug.h>
|
|
sl@0
|
26 |
|
|
sl@0
|
27 |
#include "randomimpl.h"
|
|
sl@0
|
28 |
#include "pluginentry.h"
|
|
sl@0
|
29 |
#include "pluginconfig.h"
|
|
sl@0
|
30 |
#include "securityerr.h"
|
|
sl@0
|
31 |
|
|
sl@0
|
32 |
using namespace SoftwareCrypto;
|
|
sl@0
|
33 |
|
|
sl@0
|
34 |
CRandomImpl* CRandomImpl::NewL(void)
|
|
sl@0
|
35 |
{
|
|
sl@0
|
36 |
CRandomImpl* self = new(ELeave)CRandomImpl();
|
|
sl@0
|
37 |
return self;
|
|
sl@0
|
38 |
}
|
|
sl@0
|
39 |
|
|
sl@0
|
40 |
CRandomImpl* CRandomImpl::NewLC(void)
|
|
sl@0
|
41 |
{
|
|
sl@0
|
42 |
CRandomImpl* self = NewL();
|
|
sl@0
|
43 |
CleanupStack::PushL(self);
|
|
sl@0
|
44 |
return self;
|
|
sl@0
|
45 |
}
|
|
sl@0
|
46 |
|
|
sl@0
|
47 |
void CRandomImpl::GenerateRandomBytesL(TDes8& aDestination)
|
|
sl@0
|
48 |
{
|
|
sl@0
|
49 |
// Call the Math library to populate the buffer with random data.
|
|
sl@0
|
50 |
TRAPD(err, Math::RandomL(aDestination));
|
|
sl@0
|
51 |
if(err != KErrNone)
|
|
sl@0
|
52 |
{
|
|
sl@0
|
53 |
// As the end users are interested only in the security aspect of the output but not
|
|
sl@0
|
54 |
// the internal states, accordingly translate the kernel side error code if required.
|
|
sl@0
|
55 |
err = (err == KErrNotReady) ? KErrNotSecure : err;
|
|
sl@0
|
56 |
User::Leave(err);
|
|
sl@0
|
57 |
}
|
|
sl@0
|
58 |
}
|
|
sl@0
|
59 |
|
|
sl@0
|
60 |
CRandomImpl::CRandomImpl(void)
|
|
sl@0
|
61 |
{
|
|
sl@0
|
62 |
}
|
|
sl@0
|
63 |
|
|
sl@0
|
64 |
void CRandomImpl::GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics)
|
|
sl@0
|
65 |
{
|
|
sl@0
|
66 |
TInt randomNum = sizeof(KRandomCharacteristics)/sizeof(TRandomCharacteristics*);
|
|
sl@0
|
67 |
for (TInt i = 0; i < randomNum; i++)
|
|
sl@0
|
68 |
{
|
|
sl@0
|
69 |
if (KRandomCharacteristics[i]->cmn.iImplementationUID == ImplementationUid().iUid)
|
|
sl@0
|
70 |
{
|
|
sl@0
|
71 |
aPluginCharacteristics = KRandomCharacteristics[i];
|
|
sl@0
|
72 |
break;
|
|
sl@0
|
73 |
}
|
|
sl@0
|
74 |
}
|
|
sl@0
|
75 |
}
|
|
sl@0
|
76 |
|
|
sl@0
|
77 |
CExtendedCharacteristics* CRandomImpl::CreateExtendedCharacteristicsL()
|
|
sl@0
|
78 |
{
|
|
sl@0
|
79 |
// All Symbian software plug-ins have unlimited concurrency, cannot be reserved
|
|
sl@0
|
80 |
// for exclusive use and are not CERTIFIED to be standards compliant.
|
|
sl@0
|
81 |
return CExtendedCharacteristics::NewL(KMaxTInt, EFalse);
|
|
sl@0
|
82 |
}
|
|
sl@0
|
83 |
|
|
sl@0
|
84 |
const CExtendedCharacteristics* CRandomImpl::GetExtendedCharacteristicsL()
|
|
sl@0
|
85 |
{
|
|
sl@0
|
86 |
return CRandomImpl::CreateExtendedCharacteristicsL();
|
|
sl@0
|
87 |
}
|
|
sl@0
|
88 |
|
|
sl@0
|
89 |
TUid CRandomImpl::ImplementationUid() const
|
|
sl@0
|
90 |
{
|
|
sl@0
|
91 |
return KCryptoPluginRandomUid;
|
|
sl@0
|
92 |
}
|
|
sl@0
|
93 |
|
|
sl@0
|
94 |
CRandomImpl::~CRandomImpl()
|
|
sl@0
|
95 |
{
|
|
sl@0
|
96 |
}
|
|
sl@0
|
97 |
|
|
sl@0
|
98 |
void CRandomImpl::Close()
|
|
sl@0
|
99 |
{
|
|
sl@0
|
100 |
delete this;
|
|
sl@0
|
101 |
}
|
|
sl@0
|
102 |
|
|
sl@0
|
103 |
// All crypto plugins must implement this, to reset
|
|
sl@0
|
104 |
// hardware if required. Do nothing in this version
|
|
sl@0
|
105 |
void CRandomImpl::Reset()
|
|
sl@0
|
106 |
{
|
|
sl@0
|
107 |
}
|
|
sl@0
|
108 |
|
|
sl@0
|
109 |
// Methods which are not supported can be excluded from the coverage.
|
|
sl@0
|
110 |
#ifdef _BullseyeCoverage
|
|
sl@0
|
111 |
#pragma suppress_warnings on
|
|
sl@0
|
112 |
#pragma BullseyeCoverage off
|
|
sl@0
|
113 |
#pragma suppress_warnings off
|
|
sl@0
|
114 |
#endif
|
|
sl@0
|
115 |
|
|
sl@0
|
116 |
TAny* CRandomImpl::GetExtension(TUid /*aExtensionId*/)
|
|
sl@0
|
117 |
{
|
|
sl@0
|
118 |
return NULL;
|
|
sl@0
|
119 |
}
|