|
sl@0
|
1 |
/*
|
|
sl@0
|
2 |
* Copyright (c) 2006-2009 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 |
#ifndef __RSAIMPL_H__
|
|
sl@0
|
20 |
#define __RSAIMPL_H__
|
|
sl@0
|
21 |
|
|
sl@0
|
22 |
/**
|
|
sl@0
|
23 |
@file
|
|
sl@0
|
24 |
@internalComponent
|
|
sl@0
|
25 |
@released
|
|
sl@0
|
26 |
*/
|
|
sl@0
|
27 |
|
|
sl@0
|
28 |
#include <e32base.h>
|
|
sl@0
|
29 |
#include <e32cmn.h>
|
|
sl@0
|
30 |
#include "keys.h"
|
|
sl@0
|
31 |
#include "asymmetriccipherimpl.h"
|
|
sl@0
|
32 |
|
|
sl@0
|
33 |
/**
|
|
sl@0
|
34 |
* Implementation of RSA encryption as described in PKCS#1 v1.5.
|
|
sl@0
|
35 |
*/
|
|
sl@0
|
36 |
namespace SoftwareCrypto
|
|
sl@0
|
37 |
{
|
|
sl@0
|
38 |
using namespace CryptoSpi;
|
|
sl@0
|
39 |
|
|
sl@0
|
40 |
NONSHARABLE_CLASS(CRSAImpl) : public CAsymmetricCipherImpl
|
|
sl@0
|
41 |
{
|
|
sl@0
|
42 |
public:
|
|
sl@0
|
43 |
/**
|
|
sl@0
|
44 |
Creates an instance of an RSA asymmetric cipher plug-in.
|
|
sl@0
|
45 |
@param aKey The key
|
|
sl@0
|
46 |
@param aCryptoMode Whether to encrypt or decrypt
|
|
sl@0
|
47 |
@param aPadding The padding scheme to use None, SSLv3, PKCS#7
|
|
sl@0
|
48 |
@return A pointer to a CRSAImpl instance
|
|
sl@0
|
49 |
*/
|
|
sl@0
|
50 |
static CRSAImpl* NewL(const CKey& aKey,
|
|
sl@0
|
51 |
TUid aCryptoMode, TUid aPadding);
|
|
sl@0
|
52 |
|
|
sl@0
|
53 |
/**
|
|
sl@0
|
54 |
Creates an instance of an RSA asymmetric cipher plug-in.
|
|
sl@0
|
55 |
A pointer to the plug-in instance is placed on the cleanup stack.
|
|
sl@0
|
56 |
@param aKey The key
|
|
sl@0
|
57 |
@param aCryptoMode Whether to encrypt or decrypt
|
|
sl@0
|
58 |
@param aPadding The padding scheme to use None, SSLv3, PKCS#7
|
|
sl@0
|
59 |
@return A pointer to a CRSAImpl instance
|
|
sl@0
|
60 |
*/
|
|
sl@0
|
61 |
static CRSAImpl* NewLC(const CKey& aKey,
|
|
sl@0
|
62 |
TUid aCryptoMode, TUid aPadding);
|
|
sl@0
|
63 |
|
|
sl@0
|
64 |
// Override CAsymmetricCipherImpl virtual functions
|
|
sl@0
|
65 |
TUid ImplementationUid() const;
|
|
sl@0
|
66 |
TBool IsValidKeyLengthL(TInt aKeyBytes) const;
|
|
sl@0
|
67 |
TInt GetMaximumInputLengthL() const;
|
|
sl@0
|
68 |
TInt GetMaximumOutputLengthL() const;
|
|
sl@0
|
69 |
void ProcessL(const TDesC8& aInput, TDes8& aOutput);
|
|
sl@0
|
70 |
// End of CAsymmetricCipherImpl
|
|
sl@0
|
71 |
|
|
sl@0
|
72 |
const CExtendedCharacteristics* GetExtendedCharacteristicsL();
|
|
sl@0
|
73 |
static CExtendedCharacteristics* CreateExtendedCharacteristicsL();
|
|
sl@0
|
74 |
|
|
sl@0
|
75 |
// Destructor
|
|
sl@0
|
76 |
~CRSAImpl();
|
|
sl@0
|
77 |
|
|
sl@0
|
78 |
private:
|
|
sl@0
|
79 |
/**
|
|
sl@0
|
80 |
Constructor
|
|
sl@0
|
81 |
@param aCryptoMode Whether to encrypt or decrypt
|
|
sl@0
|
82 |
@param aPaddingMode The padding mode to use. None, SSL, PKCS#7
|
|
sl@0
|
83 |
*/
|
|
sl@0
|
84 |
CRSAImpl(TUid aCryptoMode, TUid aPaddingMode);
|
|
sl@0
|
85 |
|
|
sl@0
|
86 |
/// second phase of construction
|
|
sl@0
|
87 |
void ConstructL(const CKey& aKey);
|
|
sl@0
|
88 |
|
|
sl@0
|
89 |
/// for internal usage, called from ProcessL
|
|
sl@0
|
90 |
void EncryptL(const TDesC8& aInput, TDes8& aOutput) const;
|
|
sl@0
|
91 |
void DecryptL(const TDesC8& aInput, TDes8& aOutput) const;
|
|
sl@0
|
92 |
|
|
sl@0
|
93 |
};
|
|
sl@0
|
94 |
}
|
|
sl@0
|
95 |
|
|
sl@0
|
96 |
#endif // __RSAIMPL_H__
|