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1 /* |
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2 * Copyright (c) 2007-2009 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 * Example CTestStep derived implementation |
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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 @internalTechnology |
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23 */ |
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24 #include "signerverifierstep.h" |
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25 |
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26 #include "keypair.h" |
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27 #include "cryptosignatureapi.h" |
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28 #include "cryptokeypairgeneratorapi.h" |
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29 |
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30 using namespace CryptoSpi; |
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31 |
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32 |
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33 CSignerVerifierStep::~CSignerVerifierStep() |
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34 { |
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35 } |
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36 |
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37 CSignerVerifierStep::CSignerVerifierStep() |
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38 { |
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39 SetTestStepName(KSignerVerifierStep); |
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40 } |
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41 |
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42 TVerdict CSignerVerifierStep::doTestStepPreambleL() |
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43 { |
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44 SetTestStepResult(EPass); |
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45 return TestStepResult(); |
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46 } |
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47 |
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48 |
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49 TVerdict CSignerVerifierStep::doTestStepL() |
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50 { |
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51 INFO_PRINTF1(_L("*** Signer/Verifier - Signature and Verification ***")); |
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52 INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells()); |
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53 |
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54 if (TestStepResult()==EPass) |
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55 { |
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56 //Assume faliure, unless all is successful |
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57 SetTestStepResult(EFail); |
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58 |
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59 TVariantPtrC testVariant; |
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60 TVariantPtrC typeVariant; |
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61 TVariantPtrC dataVariant; |
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62 |
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63 if( !GetStringFromConfig(ConfigSection(),KConfigSignVerifyType, typeVariant) |
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64 || !GetStringFromConfig(ConfigSection(),KConfigSignVerifyData, dataVariant)) |
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65 { |
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66 // Leave if there's any error. |
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67 User::Leave(KErrNotFound); |
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68 } |
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69 else |
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70 { |
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71 TUid sigType = typeVariant; |
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72 |
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73 //Construct a Crypto Parameters object to store the necessary key pair generator parameters |
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74 CCryptoParams* keyParams = CCryptoParams::NewL(); |
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75 CleanupStack::PushL(keyParams); |
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76 |
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77 //Create Key Pair Generator Object |
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78 CKeyPairGenerator * keypairImpl = NULL; |
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79 |
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80 //Define error code as first TRAP is beyond scope |
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81 TInt err = 0; |
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82 |
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83 if (sigType == KRsaSignerUid) |
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84 { |
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85 INFO_PRINTF1(_L("Creating Key Pair Generator (RSA)...")); |
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86 |
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87 keyParams->AddL(KKeyExponent, KRsaKeyParameterEUid); |
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88 keyParams->AddL(KRsaPrivateKeyStandard, KRsaKeyTypeUid); |
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89 |
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90 //Construct an 'RSA' Key Pair Generator Implementation Object |
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91 TRAP_LOG(err,CKeyPairGeneratorFactory::CreateKeyPairGeneratorL(keypairImpl, |
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92 KRSAKeyPairGeneratorUid, |
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93 keyParams)); |
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94 } |
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95 else |
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96 { |
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97 INFO_PRINTF1(_L("Creating Key Pair Generator (DSA)...")); |
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98 |
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99 //Construct a 'DSA' Key Pair Generator Implementation Object |
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100 TRAP_LOG(err,CKeyPairGeneratorFactory::CreateKeyPairGeneratorL(keypairImpl, |
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101 KDSAKeyPairGeneratorUid, |
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102 NULL)); |
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103 } |
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104 |
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105 CleanupStack::PushL(keypairImpl); |
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106 |
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107 // Generate a Key Pair |
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108 INFO_PRINTF1(_L("Generating Key Pair...")); |
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109 |
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110 CKeyPair* keyPair = NULL; |
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111 |
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112 TRAP_LOG(err,keypairImpl->GenerateKeyPairL(1024, |
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113 *keyParams, |
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114 keyPair)); |
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115 |
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116 CleanupStack::PushL(keyPair); |
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117 |
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118 |
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119 // Create a Signer Object |
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120 INFO_PRINTF1(_L("Creating Signer Object...")); |
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121 CCryptoParams* svParams = CCryptoParams::NewL(); |
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122 CleanupStack::PushL(svParams); |
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123 |
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124 CSigner * implsig = NULL; |
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125 TRAP_LOG(err,CSignatureFactory::CreateSignerL(implsig, |
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126 sigType, |
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127 keyPair->PublicKey(), |
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128 KPaddingModePkcs1_v1_5_SignatureUid, |
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129 svParams)); |
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130 |
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131 CleanupStack::PushL(implsig); |
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132 |
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133 |
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134 // Create a Verifier |
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135 INFO_PRINTF1(_L("Creating Verifier Object...")); |
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136 |
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137 CVerifier * implver = NULL; |
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138 TRAP_LOG(err,CSignatureFactory::CreateVerifierL(implver, |
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139 sigType == KRsaSignerUid ? KRsaVerifierUid : KDsaVerifierUid, |
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140 keyPair->PrivateKey(), |
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141 KPaddingModePkcs1_v1_5_SignatureUid, |
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142 svParams)); |
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143 |
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144 CleanupStack::PushL(implver); |
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145 |
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146 //Define a new signature object |
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147 CCryptoParams *signature = CCryptoParams::NewL(); |
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148 CleanupStack::PushL(signature); |
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149 |
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150 //Convert the source data to an 8 Bit Descriptor |
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151 HBufC8* sourceData = HBufC8::NewLC(dataVariant.Length()); |
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152 TPtr8 sourceDataPtr = sourceData->Des(); |
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153 |
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154 sourceDataPtr.Copy(dataVariant); |
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155 |
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156 //Set the signer object to use the 'Private' Key of the key pair |
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157 INFO_PRINTF1(_L("Setting Signer Private Key...")); |
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158 TRAP_LOG(err,implsig->SetKeyL(keyPair->PrivateKey())); |
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159 |
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160 //Generate a signature for the source data |
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161 INFO_PRINTF1(_L("Signing...")); |
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162 TRAP_LOG(err,implsig->SignL(*sourceData, *signature)); |
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163 |
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164 TBool bResult = EFalse; |
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165 |
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166 //Set the verifier object to use the 'Public' Key of the key pair |
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167 INFO_PRINTF1(_L("Setting Verifier Public Key...")); |
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168 TRAP_LOG(err,implver->SetKeyL(keyPair->PublicKey())); |
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169 |
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170 //Verify that the generated signature is valid for the given data |
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171 INFO_PRINTF1(_L("Verifying...")); |
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172 TRAP_LOG(err,implver->VerifyL(*sourceData, *signature, bResult)); |
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173 |
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174 if (bResult) |
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175 { |
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176 // verifier agrees signature is valid |
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177 INFO_PRINTF1(_L("PASS: Verification of Generated Signature Successful")); |
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178 SetTestStepResult(EPass); |
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179 } |
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180 else |
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181 { |
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182 //verification failure, signature is invalid |
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183 ERR_PRINTF2(_L("FAIL: Verification Failure of Generated Signature - %d"), err); |
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184 SetTestStepResult(EFail); |
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185 } |
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186 |
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187 CleanupStack::PopAndDestroy(sourceData); |
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188 CleanupStack::PopAndDestroy(signature); |
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189 CleanupStack::PopAndDestroy(implver); |
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190 CleanupStack::PopAndDestroy(implsig); |
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191 CleanupStack::PopAndDestroy(svParams); |
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192 |
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193 CleanupStack::PopAndDestroy(keyPair); |
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194 CleanupStack::PopAndDestroy(keypairImpl); |
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195 CleanupStack::PopAndDestroy(keyParams); |
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196 } |
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197 |
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198 INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells()); |
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199 |
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200 } |
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201 return TestStepResult(); |
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202 } |
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203 |
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204 |
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205 |
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206 TVerdict CSignerVerifierStep::doTestStepPostambleL() |
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207 { |
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208 return TestStepResult(); |
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209 } |