|
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 * CTransientKey declaration |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 /** |
|
21 @file |
|
22 @released |
|
23 @internalComponent |
|
24 */ |
|
25 |
|
26 #ifndef TRANSIENTKEY_H |
|
27 #define TRANSIENTKEY_H |
|
28 |
|
29 #include <pbe.h> |
|
30 #include "authserver_client.h" |
|
31 #include "encryptedprotectionkey.h" |
|
32 |
|
33 namespace AuthServer |
|
34 { |
|
35 |
|
36 /** |
|
37 * CTransientKey is a cryptographic key that is generated on the fly and never |
|
38 * stored on the device. Transient keys are used to encrypt and decrypt |
|
39 * protection keys, they are generated by the AuthServer using data gathered |
|
40 * from CAuthPlugin derived classes. |
|
41 */ |
|
42 class CTransientKey : public CBase |
|
43 { |
|
44 public: |
|
45 |
|
46 /** |
|
47 * Creates a new transient key, passing in the plugin data from which to |
|
48 * derive it. |
|
49 * |
|
50 * @param aEncryptor encryption element to use as the key. Ownership |
|
51 * passes to this object. |
|
52 **/ |
|
53 static CTransientKey* NewL(CPBEncryptElement* aEncryptor); |
|
54 |
|
55 /** |
|
56 * Creates a new transient key, passing in the plugin data from which to |
|
57 * derive it. |
|
58 * |
|
59 * @param aEncryptor encryption element to use as the key. Ownership |
|
60 * passes to this object. |
|
61 **/ |
|
62 static CTransientKey* NewLC(CPBEncryptElement* aEncryptor); |
|
63 |
|
64 ~CTransientKey(); |
|
65 |
|
66 /** |
|
67 * Create an version of the provided protection key encrypted by this |
|
68 * key. Ownership of the returned object is passed to the caller. |
|
69 * |
|
70 * @param aKey the protection key to encrypt. |
|
71 * |
|
72 * @return an protection key encrypted by this key. |
|
73 **/ |
|
74 CEncryptedProtectionKey* EncryptL(const CProtectionKey& aKey) const; |
|
75 |
|
76 /** |
|
77 * Decrypts an CEncryptedProtectionKey created by this transient |
|
78 * key. Ownership of the returned object is passed to the caller. |
|
79 * |
|
80 * @param aKey the encrypted protection key to decrypt. |
|
81 * |
|
82 * @return a protection key |
|
83 **/ |
|
84 CProtectionKey* DecryptL(const CEncryptedProtectionKey& aKey) const; |
|
85 |
|
86 |
|
87 private: |
|
88 void ConstructL(CPBEncryptElement* aEncryptor); |
|
89 |
|
90 CPBEncryptElement* iPbeElement; |
|
91 }; |
|
92 } |
|
93 |
|
94 #endif // TRANSIENTKEY_H |