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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 <pbedata.h> |
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20 #include <stdlib.h> |
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21 #include <s32mem.h> |
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22 #include <s32std.h> |
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23 #include "tpbe.h" |
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24 #include "tactionset.h" |
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25 #include "t_input.h" |
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26 |
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27 _LIT8(KSetStart, "<set>"); |
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28 _LIT8(KSetEnd, "</set>"); |
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29 |
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30 CTestAction* CActionSet::NewL(RFs& aFs, |
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31 CConsoleBase& aConsole, |
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32 Output& aOut, |
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33 const TTestActionSpec& aTestActionSpec) |
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34 { |
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35 CTestAction* self = CActionSet::NewLC(aFs, aConsole, |
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36 aOut, aTestActionSpec); |
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37 CleanupStack::Pop(); |
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38 return self; |
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39 } |
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40 |
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41 CTestAction* CActionSet::NewLC(RFs& aFs, |
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42 CConsoleBase& aConsole, |
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43 Output& aOut, |
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44 const TTestActionSpec& aTestActionSpec) |
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45 { |
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46 CActionSet* self = new(ELeave) CActionSet(aFs, aConsole, aOut); |
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47 CleanupStack::PushL(self); |
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48 self->ConstructL(aTestActionSpec); |
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49 return self; |
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50 } |
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51 |
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52 CActionSet::~CActionSet() |
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53 { |
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54 delete iBody; |
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55 } |
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56 |
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57 CActionSet::CActionSet(RFs& aFs, |
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58 CConsoleBase& aConsole, |
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59 Output& aOut) |
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60 |
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61 : CTestAction(aConsole, aOut), iFs(aFs) |
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62 { |
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63 } |
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64 |
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65 void CActionSet::ConstructL(const TTestActionSpec& aTestActionSpec) |
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66 { |
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67 CTestAction::ConstructL(aTestActionSpec); |
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68 iBody = HBufC8::NewL(aTestActionSpec.iActionBody.Length()); |
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69 iBody->Des().Copy(aTestActionSpec.iActionBody); |
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70 |
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71 } |
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72 |
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73 void CActionSet::DoPerformPrerequisite(TRequestStatus& aStatus) |
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74 { |
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75 TRequestStatus* status = &aStatus; |
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76 TInt err = KErrNone; |
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77 TInt pos = 0; |
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78 TPtrC8 encryptElement = Input::ParseElement(*iBody, KSetStart, |
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79 KSetEnd, pos, err); |
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80 pos = 0; |
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81 TPtrC8 kdf = Input::ParseElement(*iBody, KKdfStart, KKdfEnd, pos, err); |
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82 if (err == KErrNone) |
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83 iKdf = kdf.AllocL(); |
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84 |
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85 pos = 0; |
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86 TPtrC8 saltLenBytes = Input::ParseElement(*iBody, KSaltLenBytesStart, KSaltLenBytesEnd, pos, err); |
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87 if (err == KErrNone) |
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88 iSaltLenBytes = saltLenBytes.AllocL(); |
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89 |
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90 pos = 0; |
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91 TPtrC8 iterCount = Input::ParseElement(*iBody, KIterCountStart, KIterCountEnd, pos, err); |
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92 if (err == KErrNone) |
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93 iIterCount = iterCount.AllocL(); |
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94 |
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95 pos = 0; |
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96 TPtrC8 passwdTemp = Input::ParseElement(encryptElement, KPasswdStart, |
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97 KPasswdEnd, pos, err); |
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98 iPasswd = HBufC::NewL(passwdTemp.Length()); |
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99 TPtr16 passwdTemp3( iPasswd->Des()); |
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100 passwdTemp3.Copy(passwdTemp); |
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101 |
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102 pos = 0; |
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103 TPtrC8 inputTemp = Input::ParseElement(encryptElement, KInputStart, |
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104 KInputEnd, pos, err); |
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105 iInput = HBufC8::NewL(inputTemp.Length()); |
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106 *iInput = inputTemp; |
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107 |
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108 TPtrC8 cipher = Input::ParseElement(*iBody, KCipherStart, KCipherEnd); |
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109 if (cipher.Compare(KECipherAES_CBC_128) == 0) |
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110 { |
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111 iCipher = ECipherAES_CBC_128; |
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112 } |
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113 else if (cipher.Compare(KECipherAES_CBC_192) == 0) |
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114 { |
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115 iCipher = ECipherAES_CBC_192; |
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116 } |
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117 else if (cipher.Compare(KECipherAES_CBC_256) == 0) |
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118 { |
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119 iCipher = ECipherAES_CBC_256; |
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120 } |
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121 else if (cipher.Compare(KECipherDES_CBC) == 0) |
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122 { |
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123 iCipher = ECipherDES_CBC; |
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124 } |
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125 else if (cipher.Compare(KECipher3DES_CBC) == 0) |
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126 { |
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127 iCipher = ECipher3DES_CBC; |
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128 } |
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129 else if (cipher.Compare(KECipherRC2_CBC_40) == 0) |
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130 { |
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131 iCipher = ECipherRC2_CBC_40; |
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132 } |
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133 else if (cipher.Compare(KECipherRC2_CBC_128) == 0) |
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134 { |
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135 iCipher = ECipherRC2_CBC_128; |
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136 } |
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137 else if (cipher.Compare(KECipherRC2_CBC_40_16) == 0) |
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138 { |
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139 iCipher = ECipherRC2_CBC_40_16; |
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140 } |
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141 else if (cipher.Compare(KECipherRC2_CBC_128_16) == 0) |
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142 { |
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143 iCipher = ECipherRC2_CBC_128_16; |
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144 } |
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145 else if(cipher.Compare(KECipher2Key3DES_CBC) == 0) |
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146 { |
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147 iCipher = ECipher2Key3DES_CBC; |
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148 } |
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149 else if(cipher.Compare(KECipherRC2_CBC_40_5) == 0) |
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150 { |
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151 iCipher = ECipherRC2_CBC_40_5; |
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152 } |
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153 else |
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154 { |
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155 iCipher = ECipherAES_CBC_128; // Default value if the <cipher> tag is missing |
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156 } |
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157 |
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158 User::RequestComplete(status, KErrNone); |
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159 iActionState = CTestAction::EAction; |
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160 } |
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161 |
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162 void CActionSet::DoPerformPostrequisite(TRequestStatus& aStatus) |
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163 { |
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164 TRequestStatus* status = &aStatus; |
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165 delete iPasswd; |
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166 delete iInput; |
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167 delete iKdf; |
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168 iKdf = 0; |
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169 delete iSaltLenBytes; |
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170 iSaltLenBytes = 0; |
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171 delete iIterCount; |
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172 iIterCount = 0; |
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173 |
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174 iFinished = ETrue; |
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175 User::RequestComplete(status, KErrNone); |
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176 } |
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177 |
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178 void CActionSet::DoReportAction(void) |
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179 { |
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180 } |
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181 |
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182 void CActionSet::DoCheckResult(TInt) |
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183 { |
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184 |
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185 } |
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186 |
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187 void CActionSet::PerformAction(TRequestStatus& aStatus) |
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188 { |
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189 __UHEAP_MARK; |
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190 TRequestStatus* status = &aStatus; |
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191 iResult = EFalse; |
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192 HBufC8* pkcs12Pwd = 0; |
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193 |
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194 // default value is NULL to avoid RVCT warning |
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195 // C2874W: set may be used before being set |
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196 CPBEncryptSet* set = 0; |
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197 if (iKdf == 0) |
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198 { |
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199 CleanupStack::PushL(pkcs12Pwd); |
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200 set = CPBEncryptSet::NewLC(*iPasswd, iCipher); |
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201 } |
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202 else |
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203 { |
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204 // if supply KDF, must also supply salt len and iteration count |
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205 ASSERT(iSaltLenBytes != 0 && iIterCount != 0); |
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206 |
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207 CPBEncryptParms* ep = CPBEncryptParms::NewLC(); |
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208 |
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209 ep->SetCipher(iCipher); |
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210 |
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211 TInt saltLenBytes; |
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212 TInt r = TLex8(*iSaltLenBytes).Val(saltLenBytes); |
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213 ASSERT(r == KErrNone); |
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214 ep->ResizeSaltL(saltLenBytes); |
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215 |
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216 TInt iterCount; |
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217 r = TLex8(*iIterCount).Val(iterCount); |
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218 ASSERT(r == KErrNone); |
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219 ep->SetIterations(iterCount); |
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220 |
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221 CleanupStack::PushL((CBase*)0); |
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222 CleanupStack::Pop((CBase*)0); |
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223 |
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224 if (*iKdf == _L8("PKCS#5")) |
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225 { |
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226 ep->SetKdf(CPBEncryptParms::EKdfPkcs5); |
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227 set = CPBEncryptSet::NewL(*iPasswd, *ep); |
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228 } |
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229 else if (*iKdf == _L8("PKCS#12")) |
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230 { |
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231 pkcs12Pwd = PKCS12KDF::GeneratePasswordLC(*iPasswd); |
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232 ep->SetKdf(CPBEncryptParms::EKdfPkcs12); |
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233 set = CPBEncryptSet::NewL(*pkcs12Pwd, *ep); |
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234 CleanupStack::Pop(pkcs12Pwd); |
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235 } |
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236 else |
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237 User::Panic(_L("Unrec KDF"), 0); |
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238 |
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239 CleanupStack::PopAndDestroy(ep); |
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240 // encryption could leak here, but for reservation above |
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241 CleanupStack::PushL(pkcs12Pwd); |
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242 CleanupStack::PushL(set); |
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243 } |
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244 CPBEncryptor* encryptor = set->NewEncryptLC(); |
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245 HBufC8* ciphertextTemp = HBufC8::NewLC(encryptor->MaxFinalOutputLength(iInput->Length())); |
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246 |
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247 TPtr8 ciphertext = ciphertextTemp->Des(); |
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248 encryptor->ProcessFinalL(*iInput, ciphertext); |
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249 TBuf<128> newPwdTemp(*iPasswd); |
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250 newPwdTemp.Append('a'); |
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251 |
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252 TBuf8<128> newPwdTemp8; |
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253 |
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254 TPBPassword newPassword(KNullDesC); |
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255 if (pkcs12Pwd == 0) |
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256 new(&newPassword) TPBPassword(newPwdTemp); |
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257 else |
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258 { |
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259 HBufC8* newPwd = PKCS12KDF::GeneratePasswordLC(newPwdTemp); |
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260 newPwdTemp8.Copy(*newPwd); |
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261 new(&newPassword) TPBPassword(newPwdTemp8); |
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262 CleanupStack::PopAndDestroy(newPwd); |
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263 } |
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264 |
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265 set->ChangePasswordL(newPassword); |
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266 |
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267 //create a mem buffer store |
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268 CBufStore* store = CBufStore::NewLC(100); |
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269 RStoreWriteStream write; |
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270 |
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271 //write the encrypted master key to a stream |
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272 TStreamId keyStreamId = write.CreateLC(*store); |
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273 write << set->EncryptedMasterKey(); |
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274 write.CommitL(); |
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275 CleanupStack::PopAndDestroy(); //CreateLC() |
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276 |
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277 //write the encryption data to another stream |
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278 TStreamId dataStreamId = write.CreateLC(*store); |
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279 set->EncryptionData().ExternalizeL(write); |
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280 write.CommitL(); |
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281 CleanupStack::PopAndDestroy(); //CreateLC() |
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282 |
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283 //prepare to read the streams back in, creating a new TPBEncryptionData |
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284 RStoreReadStream read; |
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285 read.OpenLC(*store, dataStreamId); |
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286 |
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287 //read in Encryption data |
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288 CPBEncryptionData* data = CPBEncryptionData::NewL(read); |
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289 CleanupStack::PopAndDestroy(); //OpenLC() |
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290 CleanupStack::PushL(data); |
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291 |
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292 //read in encrypted master key |
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293 read.OpenLC(*store, keyStreamId); |
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294 HBufC8* encryptedMasterKey = HBufC8::NewLC(read, 10000); //some large number |
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295 |
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296 //create a new set encryption class |
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297 CPBEncryptSet* set2 = CPBEncryptSet::NewLC(*data, *encryptedMasterKey, newPassword); |
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298 |
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299 HBufC8* plaintextTemp = HBufC8::NewLC(ciphertext.Length()); |
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300 TPtr8 plaintext = plaintextTemp->Des(); |
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301 |
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302 CPBDecryptor* decryptor = set2->NewDecryptLC(); |
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303 decryptor->Process(ciphertext, plaintext); |
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304 |
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305 //this Mid call is due to get rid of the decrypted padding at the end |
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306 if(plaintext.Mid(0,iInput->Length()) == *iInput) |
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307 { |
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308 iResult = ETrue; |
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309 } |
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310 |
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311 CleanupStack::PopAndDestroy(decryptor); |
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312 CleanupStack::PopAndDestroy(plaintextTemp); |
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313 CleanupStack::PopAndDestroy(set2); |
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314 CleanupStack::PopAndDestroy(encryptedMasterKey); |
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315 CleanupStack::PopAndDestroy(1); //OpenLC |
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316 CleanupStack::PopAndDestroy(data); |
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317 CleanupStack::PopAndDestroy(store); |
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318 CleanupStack::PopAndDestroy(ciphertextTemp); |
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319 CleanupStack::PopAndDestroy(encryptor); |
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320 CleanupStack::PopAndDestroy(set); |
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321 CleanupStack::PopAndDestroy(pkcs12Pwd); |
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322 |
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323 User::RequestComplete(status, KErrNone); |
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324 iActionState = CTestAction::EPostrequisite; |
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325 __UHEAP_MARKEND; |
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326 } |
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327 |
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328 void CActionSet::Hex(HBufC8& aString) |
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329 { |
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330 TPtr8 ptr=aString.Des(); |
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331 if (aString.Length()%2) |
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332 { |
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333 ptr.SetLength(0); |
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334 return; |
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335 } |
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336 TInt i; |
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337 for (i=0;i<aString.Length();i+=2) |
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338 { |
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339 TUint8 tmp; |
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340 tmp=(TUint8)(aString[i]-(aString[i]>'9'?('A'-10):'0')); |
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341 tmp*=16; |
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342 tmp|=(TUint8)(aString[i+1]-(aString[i+1]>'9'?('A'-10):'0')); |
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343 ptr[i/2]=tmp; |
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344 } |
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345 ptr.SetLength(aString.Length()/2); |
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346 } |