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1 /* |
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2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * CTransientKeyInfo declaration |
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16 * |
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17 */ |
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18 |
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19 |
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20 /** |
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21 @file |
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22 @released |
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23 @internalComponent |
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24 */ |
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25 |
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26 #ifndef TRANSIENTKEYINFO_H |
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27 #define TRANSIENTKEYINFO_H |
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28 |
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29 #include "transientkey.h" |
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30 |
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31 namespace AuthServer |
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32 { |
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33 |
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34 /** |
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35 * CTransientKeyInfo holds persistent data related to transient keys which it |
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36 * also generates. The class records the parameters required to (re)generate a |
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37 * transient key from the plugin data, and is used to link encrypted protection |
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38 * keys a generated transient key. |
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39 */ |
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40 class CTransientKeyInfo : public CBase |
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41 { |
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42 public: |
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43 /** |
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44 * Sets member data from parameters and randomly initialises the transient |
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45 * key generation parameters. Use this method to create a key |
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46 * for encrypting a new key. |
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47 **/ |
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48 static CTransientKeyInfo* NewL(TPluginId aPluginId); |
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49 |
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50 /** |
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51 * Sets member data from parameters and randomly initialises the transient |
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52 * key generation parameters. Use this method to create a key |
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53 * for encrypting a new key. |
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54 **/ |
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55 static CTransientKeyInfo* NewLC(TPluginId aPluginId); |
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56 |
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57 /** |
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58 * Reads all data from the input stream. Use this method to recreate a key |
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59 * used to encrypt a key. |
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60 **/ |
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61 static CTransientKeyInfo* NewL(RReadStream& aInputStream); |
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62 |
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63 /** |
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64 * Reads all data from the input stream. Use this method to recreate a key |
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65 * used to encrypt a key. |
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66 **/ |
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67 static CTransientKeyInfo* NewLC(RReadStream& aInputStream); |
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68 |
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69 ~CTransientKeyInfo(); |
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70 |
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71 /** |
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72 * @return the id of the plugin that was used to generate the transient |
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73 * key. |
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74 **/ |
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75 TPluginId PluginId() const; |
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76 |
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77 /** |
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78 * @return the encrypted protection key |
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79 * key. |
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80 **/ |
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81 const CEncryptedProtectionKey& EncryptedKey() const; |
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82 |
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83 /** |
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84 * Assign the encrypted protection key associated with the transient |
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85 * key. Ownership of the key is taken by this object. |
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86 * |
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87 * @param aEncryptedKey the protection key encrypted with this transient key. |
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88 **/ |
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89 void SetEncryptedProtectionKeyL(CEncryptedProtectionKey* aEncryptedKey); |
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90 |
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91 /** |
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92 * Create transient key using the plugin data. If this object was created |
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93 * from a stream the method will leave with KErrBadPassword if the plugin |
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94 * data does not match the original. Ownership of the CTransientKey object |
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95 * is returned to the caller. |
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96 **/ |
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97 CTransientKey* CreateTransientKeyL(const TDesC8& aPluginData) const; |
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98 |
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99 /** |
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100 * |
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101 **/ |
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102 void ExternalizeL(RWriteStream& aOutStream) const; |
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103 |
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104 private: |
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105 |
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106 void ConstructL(TPluginId aPluginId); |
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107 void InternalizeL(RReadStream& aInStream); |
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108 |
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109 /// the id of the plugin that encrypted the key |
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110 TPluginId iPluginId; |
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111 |
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112 /// the encrypted protection key |
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113 CEncryptedProtectionKey* iEncryptedKey; |
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114 |
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115 /// the encryption parameters |
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116 mutable CPBEncryptionData* iEncryptionData; |
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117 }; |
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118 } |
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119 |
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120 #endif // TRANSIENTKEYINFO_H |