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1 /* |
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2 * Copyright (c) 1998-2009 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 * |
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16 */ |
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17 |
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18 |
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19 #include "tactionincremental.h" |
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20 #include "symmetric.h" |
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21 #include "des.h" |
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22 |
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23 CTestAction* CActionIncremental::NewL(RFs& aFs, |
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24 CConsoleBase& aConsole, |
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25 Output& aOut, |
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26 const TTestActionSpec& aTestActionSpec) |
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27 { |
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28 CTestAction* self = CActionIncremental::NewLC(aFs, aConsole, |
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29 aOut, aTestActionSpec); |
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30 CleanupStack::Pop(); |
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31 return self; |
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32 } |
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33 |
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34 CTestAction* CActionIncremental::NewLC(RFs& aFs, |
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35 CConsoleBase& aConsole, |
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36 Output& aOut, |
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37 const TTestActionSpec& aTestActionSpec) |
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38 { |
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39 CActionIncremental* self = new(ELeave) CActionIncremental(aFs, aConsole, aOut); |
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40 CleanupStack::PushL(self); |
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41 self->ConstructL(aTestActionSpec); |
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42 return self; |
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43 } |
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44 |
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45 CActionIncremental::~CActionIncremental() |
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46 { |
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47 } |
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48 |
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49 CActionIncremental::CActionIncremental(RFs& aFs, |
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50 CConsoleBase& aConsole, |
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51 Output& aOut) |
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52 : CCryptoTestAction(aFs, aConsole, aOut) |
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53 {} |
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54 |
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55 void CActionIncremental::DoPerformPostrequisiteL() |
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56 { |
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57 delete iEncryptor; |
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58 delete iDecryptor; |
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59 } |
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60 |
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61 void CActionIncremental::DoPerformPrerequisiteL() |
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62 { |
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63 TInt err = KErrNone; |
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64 TInt pos = 0; |
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65 TPtrC8 incremental = Input::ParseElement(*iBody, KIncrementalStart, KIncrementalEnd, pos, err); |
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66 |
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67 DoInputParseL(incremental); |
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68 |
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69 CBlockTransformation* encryptor = NULL; |
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70 CBlockTransformation* decryptor = NULL; |
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71 |
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72 iEncryptor =0; |
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73 iDecryptor =0; |
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74 |
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75 switch (iCipherType) |
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76 { |
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77 case (EDESECB): |
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78 { |
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79 //If the test is weak key test |
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80 if(iExpectedWeakResult == KErrWeakKey) |
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81 { |
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82 //we expect to leave with KErrWeakKey reason |
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83 if(CDES::IsWeakKey(iKey->Des())) |
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84 { |
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85 User::Leave(KErrWeakKey); |
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86 } |
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87 else //test is unsuccessful, leave with a different reason |
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88 { |
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89 User::Leave(KErrGeneral); |
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90 } |
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91 } |
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92 encryptor = CDESEncryptor::NewLC(iKey->Des()); |
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93 decryptor = CDESDecryptor::NewL(iKey->Des()); |
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94 CleanupStack::Pop(encryptor); |
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95 } |
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96 break; |
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97 case (EDESCBC): |
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98 { |
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99 CBlockTransformation* desEncryptor = NULL; |
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100 CBlockTransformation* desDecryptor = NULL; |
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101 |
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102 if(iExpectedWeakResult == KErrWeakKey) |
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103 { |
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104 if(CDES::IsWeakKey(iKey->Des())) |
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105 { |
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106 User::Leave(KErrWeakKey); |
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107 } |
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108 else |
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109 { |
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110 User::Leave(KErrGeneral); |
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111 } |
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112 } |
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113 desEncryptor = CDESEncryptor::NewLC(iKey->Des()); |
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114 desDecryptor = CDESDecryptor::NewLC(iKey->Des()); |
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115 |
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116 encryptor = CModeCBCEncryptor::NewL(desEncryptor, iIV->Des()); |
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117 CleanupStack::PushL(encryptor); |
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118 decryptor = CModeCBCDecryptor::NewL(desDecryptor, iIV->Des()); |
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119 CleanupStack::Pop(3); |
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120 } |
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121 break; |
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122 case (E3DESECB): |
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123 { |
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124 encryptor = C3DESEncryptor::NewLC(iKey->Des()); |
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125 decryptor = C3DESDecryptor::NewL(iKey->Des()); |
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126 CleanupStack::Pop(encryptor); |
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127 } |
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128 break; |
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129 case (E3DESCBC): |
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130 { |
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131 CBlockTransformation* the3DESencryptor = NULL; |
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132 CBlockTransformation* the3DESdecryptor = NULL; |
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133 |
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134 the3DESencryptor = C3DESEncryptor::NewLC(iKey->Des()); |
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135 the3DESdecryptor = C3DESDecryptor::NewLC(iKey->Des()); |
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136 |
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137 encryptor = CModeCBCEncryptor::NewL(the3DESencryptor, iIV->Des()); |
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138 CleanupStack::PushL(encryptor); |
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139 decryptor = CModeCBCDecryptor::NewL(the3DESdecryptor, iIV->Des()); |
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140 CleanupStack::Pop(3); |
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141 } |
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142 break; |
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143 case (EAESECB): |
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144 { |
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145 encryptor = CAESEncryptor::NewLC(iKey->Des()); |
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146 decryptor = CAESDecryptor::NewL(iKey->Des()); |
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147 CleanupStack::Pop(encryptor); |
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148 } |
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149 break; |
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150 case (ERC2ECB): |
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151 { |
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152 encryptor = CRC2Encryptor::NewLC(iKey->Des(), iEffectiveKeyLen); |
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153 decryptor = CRC2Decryptor::NewL(iKey->Des(), iEffectiveKeyLen); |
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154 CleanupStack::Pop(encryptor); |
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155 } |
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156 break; |
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157 case (ERC2CBC): |
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158 { |
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159 encryptor = CRC2Encryptor::NewLC(iKey->Des(), iEffectiveKeyLen); |
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160 decryptor = CRC2Decryptor::NewL(iKey->Des(), iEffectiveKeyLen); |
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161 CleanupStack::Pop(encryptor); |
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162 } |
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163 break; |
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164 case (ERC4): |
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165 { |
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166 iEncryptor = CARC4::NewL(*iKey, 0); |
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167 iDecryptor = CARC4::NewL(*iKey, 0); |
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168 } |
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169 break; |
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170 case (ECipherNull): |
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171 { |
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172 iEncryptor = CNullCipher::NewL(); |
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173 iDecryptor = CNullCipher::NewL(); |
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174 } |
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175 break; |
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176 default: |
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177 ASSERT(0); |
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178 User::Leave(KErrNotSupported); |
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179 } |
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180 |
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181 CleanupStack::PushL(encryptor); |
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182 CleanupStack::PushL(decryptor); |
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183 if(!iEncryptor && !iDecryptor) |
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184 { |
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185 CPaddingSSLv3* dPadding = CPaddingSSLv3::NewLC(decryptor->BlockSize()); |
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186 CPaddingSSLv3* ePadding = CPaddingSSLv3::NewLC(encryptor->BlockSize()); |
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187 iEncryptor = CBufferedEncryptor::NewL(encryptor, ePadding); |
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188 CleanupStack::Pop(ePadding); |
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189 iDecryptor = CBufferedDecryptor::NewL(decryptor, dPadding); |
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190 CleanupStack::Pop(dPadding); |
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191 } |
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192 |
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193 CleanupStack::Pop(2, encryptor); |
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194 |
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195 iEResult = HBufC8::NewMaxL(iEncryptor->MaxFinalOutputLength(iInput->Length())); |
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196 iDResult = HBufC8::NewMaxL(iDecryptor->MaxFinalOutputLength(iEResult->Size())); |
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197 } |
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198 |
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199 void CActionIncremental::DoPerformActionL() |
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200 { |
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201 TRAPD(res, DoDoPerformActionL()) |
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202 if(res == KErrNoMemory) |
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203 { |
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204 iEncryptor->Reset(); |
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205 iDecryptor->Reset(); |
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206 } |
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207 } |
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208 |
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209 void CActionIncremental::DoDoPerformActionL() |
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210 { |
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211 __UHEAP_MARK; |
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212 iResult = ETrue; |
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213 TPtr8 eResultActual = iEResult->Des(); |
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214 eResultActual.FillZ(eResultActual.MaxLength()); |
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215 eResultActual.SetLength(0); |
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216 |
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217 TPtr8 dResultActual = iDResult->Des(); |
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218 dResultActual.FillZ(dResultActual.MaxLength()); |
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219 dResultActual.SetLength(0); |
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220 |
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221 TInt len = iInput->Length(); |
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222 for(TInt i=1; i<len; i++) |
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223 { |
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224 TInt j = 0; |
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225 for(; j+i<len; j+=i) |
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226 {// encryption in blocks of size i |
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227 iEncryptor->Process(iInput->Mid(j,i), eResultActual); |
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228 } |
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229 |
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230 iEncryptor->ProcessFinalL(iInput->Mid(j), eResultActual); |
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231 |
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232 j=0; |
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233 for(; (j+(len-i))<len; j+=(len-i)) |
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234 {// Decryption in blocks of size (len - i) |
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235 iDecryptor->Process(eResultActual.Mid(j, len-i), dResultActual); |
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236 } |
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237 |
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238 iDecryptor->ProcessFinalL(eResultActual.Mid(j), dResultActual); |
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239 |
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240 if(dResultActual != *iInput) |
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241 { |
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242 iResult = EFalse; |
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243 } |
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244 |
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245 eResultActual.FillZ(eResultActual.MaxLength()); |
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246 dResultActual.FillZ(dResultActual.MaxLength()); |
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247 eResultActual.SetLength(0); |
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248 dResultActual.SetLength(0); |
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249 } |
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250 __UHEAP_MARKEND; |
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251 |
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252 } |
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253 |