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1 /* |
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2 * Copyright (c) 2002 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 "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: Implementation of Wim RSA signer interface |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "WimKeyStore.h" |
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20 #include "WimRSASigner.h" |
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21 #include <hash.h> |
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22 #include <mctkeystoreuids.h> // KRSARepudiableSignerUID |
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23 |
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24 |
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25 // ============================ MEMBER FUNCTIONS =============================== |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // CWimRSASigner::CWimRSASigner() |
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29 // |
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30 // ----------------------------------------------------------------------------- |
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31 // |
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32 CWimRSASigner::CWimRSASigner( CWimKeyStore& aClient ) |
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33 : MCTSigner<CRSASignature*>( aClient.Token() ),iClient( aClient ) |
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34 { |
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35 iHandle.iTokenHandle = aClient.Token().Handle(); |
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36 } |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CWimRSASigner* CWimRSASigner::NewL() |
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40 // Creates new Instance of CWimRSASigner |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 CWimRSASigner* CWimRSASigner::NewL( CWimKeyStore& aClient ) |
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44 { |
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45 CWimRSASigner* self = new( ELeave ) CWimRSASigner( aClient ); |
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46 return self; |
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47 } |
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48 |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CWimRSASigner::~CWimRSASigner() |
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52 // Destructor |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CWimRSASigner::~CWimRSASigner() |
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56 { |
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57 delete iLabel; |
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58 delete iDigest; |
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59 delete iDigestBuf; |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CWimRSASigner::SetLabelL() |
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64 // Sets label for signin key object |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 void CWimRSASigner::SetLabelL( const TDesC& aLabel ) |
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68 { |
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69 iLabel = aLabel.AllocL(); |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CWimRSASigner::SetObjectId() |
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74 // Sets object id -points to a certain key |
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75 // ----------------------------------------------------------------------------- |
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76 // |
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77 void CWimRSASigner::SetObjectId( const TInt aObjectId ) |
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78 { |
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79 iHandle.iObjectId = aObjectId; |
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80 } |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 // CWimRSASigner::Release() |
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84 // Release object |
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85 // ----------------------------------------------------------------------------- |
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86 // |
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87 void CWimRSASigner::Release() |
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88 { |
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89 MCTTokenObject::Release(); |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CWimRSASigner::Label() const |
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94 // Returns the object's human-readable label |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 const TDesC& CWimRSASigner::Label() const |
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98 { |
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99 return *iLabel; |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // CWimRSASigner::Token() |
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104 // Returns a reference to the associated token |
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105 // ----------------------------------------------------------------------------- |
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106 // |
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107 MCTToken& CWimRSASigner::Token() const |
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108 { |
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109 return iClient.Token(); |
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110 } |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CWimRSASigner::Type() |
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114 // Returns a UID representing the type of the token object. The |
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115 // meanings of possible UIDs should be documented in the |
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116 // documentation for the interface that returns them. |
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117 // ----------------------------------------------------------------------------- |
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118 // |
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119 TUid CWimRSASigner::Type() const |
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120 { |
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121 return KRSARepudiableSignerUID; |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CWimRSASigner::Handle() |
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126 // Returns a handle for the object. The primary purpose of the |
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127 // handle is to allow token objects to be 'passed' between |
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128 // processes. See TCTTokenObjectHandle for more details. |
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129 // ----------------------------------------------------------------------------- |
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130 // |
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131 TCTTokenObjectHandle CWimRSASigner::Handle() const |
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132 { |
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133 return iHandle; |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CWimRSASigner::SignMessage() |
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138 // Sign some data. The data is hashed before the signature is created using |
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139 // the SHA-1 algorithm. |
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140 // ----------------------------------------------------------------------------- |
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141 // |
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142 void CWimRSASigner::SignMessage( const TDesC8& aPlaintext, |
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143 CRSASignature*& aSignature, |
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144 TRequestStatus& aStatus ) |
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145 { |
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146 if( iDigest ) |
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147 { |
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148 delete iDigest; |
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149 iDigest = NULL; |
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150 } |
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151 if( iDigestBuf ) |
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152 { |
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153 delete iDigestBuf; |
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154 iDigest = NULL; |
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155 } |
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156 |
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157 // Hash the data on the client side |
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158 TRAPD( err, iDigest = CSHA1::NewL() ); |
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159 |
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160 if ( err == KErrNone ) |
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161 { |
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162 iDigest->Update( aPlaintext ); |
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163 TRAP( err, iDigestBuf = HBufC8::NewL( iDigest->HashSize() ) ); |
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164 |
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165 if (err != KErrNone ) |
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166 { |
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167 TRequestStatus* status = &aStatus; |
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168 User::RequestComplete( status, err ); |
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169 return; |
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170 } |
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171 |
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172 TPtr8 tempPtr = iDigestBuf->Des(); |
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173 tempPtr.Copy( iDigest->Final() ); |
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174 Sign( *iDigestBuf, aSignature, aStatus ); |
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175 } |
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176 else |
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177 { |
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178 TRequestStatus* status = &aStatus; |
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179 User::RequestComplete( status, err ); |
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180 } |
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181 } |
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182 |
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183 // ----------------------------------------------------------------------------- |
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184 // CWimRSASigner::Sign() |
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185 // Perform a raw signing operation. |
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186 // ----------------------------------------------------------------------------- |
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187 // |
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188 void CWimRSASigner::Sign( const TDesC8& aPlaintext, |
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189 CRSASignature*& aSignature, |
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190 TRequestStatus& aStatus ) |
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191 { |
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192 iClient.NonRepudiableRSASign( Handle(), aPlaintext, aSignature, aStatus ); |
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193 } |
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194 |
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195 // ----------------------------------------------------------------------------- |
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196 // CWimRSASigner::CancelSign() |
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197 // Cancel an ongoing sign |
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198 // ----------------------------------------------------------------------------- |
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199 // |
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200 void CWimRSASigner::CancelSign() |
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201 { |
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202 iClient.Cancel(); |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CWimRSASigner::DoRelease() |
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207 // Releases this object. |
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208 // ----------------------------------------------------------------------------- |
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209 // |
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210 void CWimRSASigner::DoRelease() |
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211 { |
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212 delete this; |
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213 } |