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1 /* |
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2 * Copyright (c) 2006-2006 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: Class with methods used during signing and verification process. |
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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 |
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20 |
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21 |
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22 |
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23 |
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24 #ifndef C_SIGN_H |
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25 #define C_SIGN_H |
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26 |
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27 #include <e32base.h> |
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28 #include <f32file.h> |
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29 |
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30 #include <xmlengdocument.h> |
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31 |
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32 class CXmlSecKeyManager; |
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33 class TXmlEngElement; |
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34 |
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35 /** |
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36 * Class used to sign data. |
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37 * |
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38 * How to use: |
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39 * |
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40 * Signing with key from file: |
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41 * <pre> |
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42 * 1. Create new object: |
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43 * CXmlSecSign* sign = CXmlSecSign::NewLC(); |
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44 * 2. Set template for signing: |
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45 * sign->SetTemplateFromFileL(doc); |
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46 * 3. Set the key that should be used during signing: |
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47 * sign->SetKeyFromFileL(keyfilename,keyname,CXmlSecSign::ERSA_PRIVATE); |
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48 * 4. Sign xml node: |
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49 * element = sign->SignXmlDocumentL(doc); |
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50 * </pre> |
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51 * |
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52 * Signing with key from SymbianKeyStore: |
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53 * <pre> |
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54 * 1. Create new object: |
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55 * CXmlSecSign* sign = CXmlSecSign::NewLC(); |
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56 * 2. Set template for signing: |
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57 * sign->SetTemplateFromFileL(doc); |
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58 * 3. Set the name of the key that should be used during signing: |
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59 * sign->SetKeyInfoL(keyname); |
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60 * 4. Sign xml node: |
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61 * element = sign->SignXmlDocumentL(doc,FALSE); |
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62 * second parameter sets to FALSE determine using keys from SymbianKeyStore. |
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63 * </pre> |
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64 * |
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65 * Verification with key: |
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66 * <pre> |
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67 * 1. Create new object: |
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68 * CXmlSecSign* sign = CXmlSecSign::NewLC(); |
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69 * 3. Set the key that should be used during verification (it should be set before verification): |
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70 * sign->SetKeyFromFileL(keyfilename, keyname, CXmlSecSign::ERSA_PUBLIC); |
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71 * 3. Verify the signature |
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72 * ver=sign->VerifyXmlNodeL(element); |
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73 * function will return true if sign is correct |
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74 * </pre> |
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75 * |
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76 * Verification with certificate from root's cert chain: |
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77 * <pre> |
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78 * 1. Create new object: |
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79 * CXmlSecSign* sign = CXmlSecSign::NewLC(); |
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80 * 2. Add trusted root certificate from file: |
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81 * sign->AddTrustedCertFromFileL(trustedCert); |
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82 * 3. Verify the signature: |
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83 * ver=sign->VerifyXmlNodeL(element, CXmlSecSign::ERootCertChain); |
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84 * Function will return true if sign is correct. |
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85 * </pre> |
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86 * |
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87 * Verification with certificate from SymbianCertStore: |
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88 * <pre> |
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89 * 1. Create new object: |
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90 * CXmlSecSign* sign = CXmlSecSign::NewLC(); |
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91 * 2. Verify the signature: |
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92 * ver=sign->VerifyXmlNodeL(element, CXmlSecSign::ECertStore); |
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93 * Function will return true if sign is correct |
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94 * </pre> |
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95 * |
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96 * @lib XmlSecWrapper.dll |
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97 * @since S60 v3.2 |
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98 */ |
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99 class CXmlSecSign : public CBase |
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100 { |
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101 public: |
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102 /** |
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103 * Key types. |
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104 * Currently simmetric key (used by HMAC algorithm) and |
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105 * asimmetric key (used by RSA algorithm) is supported. |
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106 * RSAPrivate is for private key (PKCS#8 syntax, DER encoding) |
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107 * RSAPrivate is for public key (DER encoding) |
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108 */ |
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109 enum TXmlSecKeyType |
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110 { |
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111 ERSAPrivate = 0, |
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112 ERSAPublic, |
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113 EHMAC |
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114 }; |
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115 |
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116 /** |
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117 * Verification key repository. |
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118 * A place where is key to use in verification. |
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119 * EThisObject - Key can set by SetKey method |
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120 * ECertStore - Symbian certificate store (@see CUnifiedCertStore) |
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121 * ERootCertChain - Trusted root cert set can be add by AddTrustedCertFrom(File/Buffer)L method |
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122 */ |
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123 enum TXmlSecVerificationKeyRepository |
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124 { |
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125 EThisObject = 0, |
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126 ECertStore, |
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127 ERootCertChain |
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128 }; |
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129 |
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130 /** Use Enveloped Signature Transform */ |
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131 static const TUint KEnvelopedSignature = 0x01; |
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132 /** Use c14n Transform */ |
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133 static const TUint KC14N = 0x02; |
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134 /** Use Exclusive c14n Transform */ |
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135 static const TUint KExclusiveC14N = 0x04; |
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136 |
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137 public: |
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138 /** |
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139 * Creates new object. |
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140 * |
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141 * @since S60 v3.2 |
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142 * @return pointer to new object |
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143 */ |
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144 IMPORT_C static CXmlSecSign* NewL(); |
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145 |
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146 /** |
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147 * Creates new object and puts it on cleanup stack. |
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148 * |
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149 * @since S60 v3.2 |
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150 * @return pointer to new object |
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151 */ |
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152 IMPORT_C static CXmlSecSign* NewLC(); |
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153 |
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154 /** |
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155 * Destructor |
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156 */ |
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157 virtual ~CXmlSecSign(); |
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158 |
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159 /** |
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160 * Signs xml document. |
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161 * |
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162 * @since S60 v3.2 |
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163 * @param aDocument DOM tree that should be signed. |
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164 * @param aUseCurrentKey Current key (sets by SetKey function) will be used. |
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165 * If sets to FALSE then key manager will be used. |
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166 * @return TElement with signature node (It is part of the document). |
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167 * |
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168 * @note If signature template was used, result should be added by user to |
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169 * correct node in the document. If signature context was in |
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170 * document previously, no action is needed (signature is in place |
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171 * where it was before signing) |
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172 */ |
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173 IMPORT_C TXmlEngElement SignXmlDocumentL(RXmlEngDocument& aDocument, |
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174 TBool aUseCurrentKey = ETrue); |
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175 |
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176 /** |
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177 * Signs xml document. |
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178 * |
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179 * @since S60 v3.2 |
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180 * @param aDocument DOM tree that should be signed. |
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181 * @param aTemplate Template document |
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182 * @param aKeyFile File with key (only binary format. |
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183 * In case of RSA key type - PKCS#8 syntax, DER encoding) |
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184 * @param aKeyName name of the key |
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185 * @param aKeyType key type (i.e. HMAC) |
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186 * @return TElement with signature node (It is part of the document). |
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187 * |
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188 * @note If signature template was used, result should be added by user to |
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189 * correct node in the document. If signature context was in |
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190 * document previously, no action is needed (signature is in place |
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191 * where it was before signing) |
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192 */ |
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193 IMPORT_C TXmlEngElement SignXmlDocumentKeyFromFileL(RXmlEngDocument& aDocument, |
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194 RXmlEngDocument& aTemplate, |
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195 const TDesC8& aKeyFile, |
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196 const TDesC8& aKeyName, |
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197 TXmlSecKeyType aKeyType); |
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198 |
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199 /** |
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200 * Signs xml document. |
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201 * |
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202 * @since S60 v3.2 |
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203 * @param aDocument DOM tree that should be signed. |
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204 * @param aKeyFile File with key (only binary format. |
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205 * In case of RSA key type - PKCS#8 syntax, DER encoding) |
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206 * @param aKeyName name of the key |
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207 * @param aKeyType key type (i.e. HMAC) |
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208 * @return TElement with signature node (It is part of the document). |
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209 * |
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210 * @note Signature context should be in the document that should be sign |
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211 * @note If signature template was used, result should be added by user to |
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212 * correct node in the document. If signature context was in |
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213 * document previously, no action is needed (signature is in place |
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214 * where it was before signing) |
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215 */ |
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216 IMPORT_C TXmlEngElement SignXmlDocumentKeyFromFileL(RXmlEngDocument& aDocument, |
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217 const TDesC8& aKeyFile, |
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218 const TDesC8& aKeyName, |
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219 TXmlSecKeyType aKeyType); |
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220 |
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221 /** |
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222 * Signs xml document. |
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223 * |
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224 * @since S60 v3.2 |
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225 * @param aDocument DOM tree that should be signed. |
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226 * @param aTemplate Template document |
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227 * @param aKey Buffer with key (only binary format. |
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228 * In case of RSA key type - PKCS#8 syntax, DER encoding) |
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229 * @param aKeyName name of the key |
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230 * @param aKeyType key type (i.e. HMAC) |
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231 * @return TElement with signature node (It is part of the document). |
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232 * |
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233 * @note If signature template was used, result should be added by user to |
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234 * correct node in the document. If signature context was in |
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235 * document previously, no action is needed (signature is in place |
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236 * where it was before signing) |
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237 */ |
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238 IMPORT_C TXmlEngElement SignXmlDocumentKeyFromBufferL(RXmlEngDocument& aDocument, |
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239 RXmlEngDocument& aTemplate, |
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240 const TDesC8& aKey, |
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241 const TDesC8& aKeyName, |
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242 TXmlSecKeyType aKeyType); |
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243 |
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244 /** |
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245 * Signs xml document. |
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246 * |
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247 * @since S60 v3.2 |
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248 * @param aDocument DOM tree that should be signed. |
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249 * @param aKey Buffer with key (only binary format. |
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250 * In case of RSA key type - PKCS#8 syntax, DER encoding) |
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251 * @param aKeyName name of the key |
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252 * @param aKeyType key type (i.e. HMAC) |
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253 * @return TElement with signature node (It is part of the document). |
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254 * |
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255 * @note Signature context should be in the document that should be sign |
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256 * @note If signature template was used, result should be added by user to |
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257 * correct node in the document. If signature context was in |
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258 * document previously, no action is needed (signature is in place |
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259 * where it was before signing) |
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260 */ |
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261 IMPORT_C TXmlEngElement SignXmlDocumentKeyFromBufferL(RXmlEngDocument& aDocument, |
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262 const TDesC8& aKey, |
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263 const TDesC8& aKeyName, |
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264 TXmlSecKeyType aKeyType); |
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265 |
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266 /** |
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267 * Signs xml nodes. |
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268 * |
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269 * @since S60 v3.2 |
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270 * @param aNodes Nodes that should be signed. |
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271 * @param aUseCurrentKey Current key (sets by SetKey method) will be used. |
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272 * If sets to FALSE then key manager will be used. |
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273 * @return TElement with signature node (It is part of the document). |
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274 * |
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275 * @note If signature template was used, result should be added by user to |
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276 * correct node in the document. If signature context was in |
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277 * document previously, no action is needed (signature is in place |
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278 * where it was before signing) |
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279 */ |
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280 IMPORT_C TXmlEngElement SignXmlNodesL(RArray<TXmlEngElement>& aNodes, |
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281 TBool aUseCurrentKey = ETrue); |
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282 |
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283 /** |
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284 * Verifies xml node. |
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285 * |
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286 * @since S60 v3.2 |
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287 * @param aNode Node that should be verified (<Signature> element). |
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288 * @param aKeySource place from key to verification will be taken. @see TXmlSecVerificationKeyRepository |
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289 * @return ETrue if correctly verificated. |
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290 */ |
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291 IMPORT_C TBool VerifyXmlNodeL(TXmlEngElement aNode, |
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292 TXmlSecVerificationKeyRepository aKeyRepository = EThisObject); |
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293 |
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294 /** |
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295 * Verifies xml node. |
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296 * |
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297 * @since S60 v3.2 |
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298 * @param aNode Node that should be verified (<Signature> element). |
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299 * @param aKeyFile File with key (only binary format. |
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300 * In case of RSA key type - PKCS#8 syntax, DER encoding) |
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301 * @param aKeyName name of the key |
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302 * @param aKeyType key type (i.e. HMAC) |
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303 * @return TRUE if node was correctly verificated. |
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304 */ |
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305 IMPORT_C TBool VerifyXmlNodeKeyFromFileL(TXmlEngElement aNode, |
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306 const TDesC8& aKeyFile, |
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307 const TDesC8& aKeyName, |
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308 TXmlSecKeyType aKeyType); |
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309 |
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310 /** |
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311 * Verifies xml node. |
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312 * |
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313 * @since S60 v3.2 |
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314 * @param aNode Node that should be verified (<Signature> element). |
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315 * @param aKey Buffer with key (only binary format. |
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316 * In case of RSA key type - PKCS#8 syntax, DER encoding) |
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317 * @param aKeyName name of the key |
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318 * @param aKeyType key type (i.e. HMAC) |
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319 * @return TRUE if node was correctly verificated. |
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320 */ |
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321 IMPORT_C TBool VerifyXmlNodeKeyFromBufferL(TXmlEngElement aNode, |
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322 const TDesC8& aKey, |
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323 const TDesC8& aKeyName, |
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324 TXmlSecKeyType aKeyType); |
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325 |
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326 /** |
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327 * Verifies xml document. |
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328 * |
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329 * @since S60 v3.2 |
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330 * @param aDocument Document that should be verified. |
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331 * @param aKeySource place from key to verification will be taken. @see TXmlSecVerificationKeyRepository |
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332 * @return TRUE if node was correctly verificated. |
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333 */ |
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334 IMPORT_C TBool VerifyXmlDocumentL(const RXmlEngDocument& aDocument, |
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335 TXmlSecVerificationKeyRepository aKeyRepository = EThisObject); |
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336 |
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337 /** |
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338 * Verifies xml document. |
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339 * |
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340 * @since S60 v3.2 |
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341 * @param aDocument DOM tree that should be verified. |
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342 * @param aKeyFile File with key (only binary format. |
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343 * In case of RSA key type - PKCS#8 syntax, DER encoding) |
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344 * @param aKeyName name of the key |
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345 * @param aKeyType key type (i.e. HMAC) |
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346 * @return TRUE if document was correctly verificated. |
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347 */ |
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348 IMPORT_C TBool VerifyXmlDocumentKeyFromFileL(const RXmlEngDocument& aDocument, |
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349 const TDesC8& aKeyFile, |
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350 const TDesC8& aKeyName, |
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351 TXmlSecKeyType aKeyType); |
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352 |
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353 /** |
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354 * Verifies xml document. |
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355 * |
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356 * @since S60 v3.2 |
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357 * @param aDocument DOM tree that should be verified. |
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358 * @param aKey Buffer with key (only binary format. |
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359 * In case of RSA key type - PKCS#8 syntax, DER encoding) |
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360 * @param aKeyName name of the key |
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361 * @param aKeyType key type (i.e. HMAC) |
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362 * @return TRUE if document was correctly verificated. |
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363 */ |
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364 IMPORT_C TBool VerifyXmlDocumentKeyFromBufferL(const RXmlEngDocument& aDocument, |
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365 const TDesC8& aKey, |
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366 const TDesC8& aKeyName, |
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367 TXmlSecKeyType aKeyType); |
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368 |
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369 /** |
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370 * Sets signing template (parses template file). |
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371 * This template will be used until new template will be set. |
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372 * |
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373 * @since S60 v3.2 |
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374 * @param aTemplate template file |
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375 */ |
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376 IMPORT_C void SetTemplateFromFileL(const TDesC8& aTemplate); |
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377 |
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378 /** |
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379 * Sets signing template (parses template file). |
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380 * This template will be used until new template will be set. |
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381 * |
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382 * @since S60 v3.2 |
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383 * @param aRFs handle to a file server session. |
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384 * @param aTemplate template file |
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385 */ |
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386 IMPORT_C void SetTemplateFromFileL(RFs& aRFs, const TDesC8& aTemplate); |
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387 |
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388 /** |
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389 * Sets signing template (parses buffer that contains template xml). |
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390 * This template will be used until new template will be set. |
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391 * |
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392 * @since S60 v3.2 |
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393 * @param aTemplate template xml in buffer |
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394 */ |
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395 IMPORT_C void SetTemplateFromBufferL(const TDesC8& aTemplate); |
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396 |
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397 /** |
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398 * Set copy of the argument as a sign template. |
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399 * This template will be used until new template will be set. |
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400 * |
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401 * @since S60 v3.2 |
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402 * @param aTemplate DOM tree with template document |
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403 */ |
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404 IMPORT_C void SetTemplateL(const RXmlEngDocument& aTemplate); |
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405 |
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406 /** |
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407 * Adds <KeyName> element to <KeyInfo> node and sets the value of it. |
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408 * The element will be added to current template. |
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409 * |
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410 * @since S60 v3.2 |
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411 * @param aKeyName Key name that should be set. |
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412 */ |
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413 IMPORT_C void SetKeyInfoL(const TDesC8& aKeyName); |
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414 |
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415 /** |
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416 * Adds element to <KeyInfo> node. This method allows to add specific data |
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417 * to <KeyInfo> element. |
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418 * The element will be added to current template. |
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419 * |
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420 * @since S60 v3.2 |
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421 * @param aKeyProp Element that should be set. |
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422 */ |
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423 IMPORT_C void SetKeyInfoL(TXmlEngElement aKeyProp); |
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424 |
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425 /** |
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426 * Creates template for singning. Template is created for specific key algorithm. |
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427 * This templete will sign whole xml document. |
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428 * |
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429 * This template will be used until new template will be set. |
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430 * Only SHA1 digest method is supported. |
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431 * |
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432 * @since S60 v3.2 |
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433 * @param aKeyType Key type determine signatureMethod. |
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434 * @param aCert If sets to TRUE then element <X509Certificate> will be added to template. |
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435 * @param aTransform Decide what transform should be used in reference elements |
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436 * Use one or more const (e.g. KEnvelopeSignature | KExclusiveC14N) |
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437 * @param aPref prefix that will be used for signature namespace |
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438 * @param aNewLine should new line be used in template |
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439 * @return template document |
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440 */ |
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441 IMPORT_C const RXmlEngDocument& CreateTemplateL(TXmlSecKeyType aKeyType, |
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442 TBool aCert = EFalse, |
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443 TUint aTransforms = KEnvelopedSignature, |
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444 const TDesC8& aPref = KNullDesC8(), |
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445 TBool aNewLine = TRUE); |
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446 |
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447 /** |
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448 * Creates template for signing. Template is created for specific key algorithm. |
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449 * Templete allows to sign element(s) identified by id. |
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450 * |
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451 * This template will be used until new template will be set. |
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452 * Only SHA1 digest method is supported. |
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453 * |
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454 * @since S60 v3.2 |
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455 * @param aKeyType Key type determine signatureMethod. |
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456 * @param aNodes Array with nodes that should be signed |
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457 * @param aId Id name that should be used in Reference (i.e."ns:Id") |
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458 * @param aCert If sets to TRUE then element <X509Certificate> will be added to template. |
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459 * @param aTransform Decide what transform should be used in reference elements |
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460 * Use one or more const (e.g. KEnvelopeSignature | KExclusiveC14N) |
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461 * @param aPref prefix that will be used for signature namespace |
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462 * @param aNewLine should new line be used in template |
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463 * @return template document |
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464 */ |
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465 IMPORT_C const RXmlEngDocument& CreateTemplateL(TXmlSecKeyType aKeyType, |
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466 RArray<TXmlEngElement>& aNodes, |
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467 const TDesC8& aId, |
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468 TBool aCert = EFalse, |
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469 TUint aTransforms = KEnvelopedSignature, |
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470 const TDesC8& aPref = KNullDesC8(), |
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471 TBool aNewLine = TRUE); |
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472 |
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473 /** |
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474 * Gets current template. |
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475 * |
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476 * @since S60 v3.2 |
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477 * @return template document |
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478 */ |
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479 IMPORT_C const RXmlEngDocument& CurrentTemplate() const; |
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480 |
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481 /** |
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482 * Destroys current template. |
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483 * |
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484 * @since S60 v3.2 |
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485 */ |
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486 IMPORT_C void DestroyCurrentTemplate(); |
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487 |
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488 /** |
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489 * Reads key from file and puts it to the SymbianKeyStore. |
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490 * Key will be used during signing/verification action until new key will be set. |
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491 * |
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492 * @since S60 v3.2 |
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493 * @param aKeyFile File with key (only binary format. |
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494 * In case of RSA private key type - PKCS#8 syntax, DER encoding) |
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495 * @param aKeyName name of the key (it can be null descriptor when HMAC key is used) |
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496 * @param aKeyFormat key type (i.e. HMAC) |
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497 */ |
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498 IMPORT_C void SetKeyFromFileL(const TDesC8& aKeyFile, |
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499 const TDesC8& aKeyName, |
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500 TXmlSecKeyType aKeyType); |
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501 |
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502 /** |
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503 * Reads key from buffer and puts it to the SymbianKeyStore. |
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504 * Key will be used during signing/verification action until new key will be set. |
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505 * |
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506 * @since S60 v3.2 |
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507 * @param aKey Buffer with key (only binary format. |
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508 * In case of RSA private key type - PKCS#8 syntax, DER encoding) |
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509 * @param aKeyName name of the key (it can be null descriptor when HMAC key is used) |
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510 * @param aKeyFormat key type (i.e. HMAC). |
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511 */ |
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512 IMPORT_C void SetKeyFromBufferL(const TDesC8& aKey, |
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513 const TDesC8& aKeyName, |
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514 TXmlSecKeyType aKeyType); |
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515 /** |
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516 * Reads certificate from file. |
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517 * This certificate will be added to current key. |
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518 * |
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519 * @since S60 v3.2 |
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520 * @param aCertFile Name of the file with certificate inside |
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521 */ |
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522 IMPORT_C void SetCertFromFileL(const TDesC8& aCertFile); |
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523 |
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524 /** |
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525 * Reads certificate from buffer. |
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526 * This certificate will be added to current key. |
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527 * |
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528 * @since S60 v3.2 |
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529 * @param aCert Buffer with certificate inside |
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530 */ |
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531 IMPORT_C void SetCertFromBufferL(const TDesC8& aCert); |
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532 |
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533 /** |
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534 * Reads X509 certificate from file and adds it to root's cert chain handled in memory (destroyed after session). |
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535 * This certificate IS NOT added to SymbianCertStore. |
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536 * |
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537 * @since S60 v3.2 |
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538 * @param aCertFile Name of the file with certificate. |
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539 */ |
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540 IMPORT_C void AddTrustedCertFromFileL(const TDesC8& aCertFile); |
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541 |
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542 /** |
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543 * Reads X509 certificate from buffer and adds it to root's cert chain handled in memory (destroyed after session). |
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544 * This certificate IS NOT added to SymbianCertStore. |
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545 * |
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546 * @since S60 v3.2 |
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547 * @param aCert Buffer with certificate. |
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548 */ |
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549 IMPORT_C void AddTrustedCertFromBufferL(const TDesC8& aCert); |
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550 |
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551 private: |
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552 /** |
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553 * Default constructor. |
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554 * |
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555 * @since S60 v3.2 |
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556 */ |
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557 CXmlSecSign(); |
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558 |
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559 /** |
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560 * Second phase constructor. |
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561 * |
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562 * @since S60 v3.2 |
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563 */ |
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564 void ConstructL(); |
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565 |
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566 /** |
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567 * Signs the xml node. |
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568 * |
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569 * @since S60 v3.2 |
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570 * @param aNode TElement Node that should be sign. |
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571 * @param aUseCurrentKey Current key (set by SetKey method) will be used. |
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572 * If sets to FALSE then key manager will be used. |
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573 * @return TElement with signed node. |
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574 */ |
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575 TXmlEngElement CXmlSecSign::SignXmlNodeL(TXmlEngElement aNode, TBool aUseCurrentKey); |
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576 |
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577 private: |
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578 /** |
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579 * DOM tree with template |
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580 */ |
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581 RXmlEngDocument iTemplate; |
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582 |
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583 /** |
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584 * Signing context |
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585 */ |
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586 void* iSigCtx; |
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587 |
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588 /** |
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589 * Key manager |
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590 */ |
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591 CXmlSecKeyManager* iMngr; |
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592 |
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593 /** |
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594 * Flag to skip searching for Template in document |
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595 */ |
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596 TBool iSkipTmplLookUp; |
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597 |
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598 }; |
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599 |
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600 #endif // C_SIGN_H |