m2u-upass-core / src / my / com / upass / gemalto / GemaltoTokenControllerImpl.java @ 5:f608e6319b70
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1 | 0:02300db8682b | hadi | /*
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2 | * Copyright (c) 2012 Penril Datability (M) Sdn Bhd All rights reserved.
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3 | *
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4 | * This software is copyrighted. Under the copyright laws, this software
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5 | * may not be copied, in whole or in part, without prior written consent
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6 | * of Penril Datability (M) Sdn Bhd or its assignees. This software is
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7 | * provided under the terms of a license between Penril Datability (M)
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8 | * Sdn Bhd and the recipient, and its use is subject to the terms of that
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9 | * license.
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10 | */
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11 | package my.com.upass.gemalto; |
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12 | |||
13 | |||
14 | import java.util.Date; |
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15 | import java.util.HashMap; |
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16 | import ocra.Ocra; |
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17 | import my.com.upass.Constants; |
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18 | import my.com.upass.TokenBean; |
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19 | import my.com.upass.vasco.TokenController; |
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20 | |||
21 | /*
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22 | * <pre>
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23 | * PROGRAMMER: Enson Yeoh
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24 | * CHANGE-NO:
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25 | * TASK-NO:
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26 | * DATE CREATED: Oct 5, 2012
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27 | * TAG AS:
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28 | * REASON(S):
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29 | * MODIFICATION:
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30 | * </pre>
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31 | *
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32 | *
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33 | * Requirements:
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34 | * 1) Retrieve the tokenBean and override the existing tokenBean object.
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35 | * 2) Override the existing serial number with the given tokenBean.
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36 | * 3) Override the existing authentication mode with the given tokenBean.
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37 | * 4) Override the existing blob with the given tokenBean.
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38 | * 5) Update useCount (total number of usage of the given token)
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39 | * 6) Update errorCount (total number of errors attempted by the given token)
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40 | * 7) Update last first time (the first usage date of the given token)
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41 | * 8) Update last used time (the last usage date of the given token)
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42 | * 9) Update the tokenBean object whenever there is changes.
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43 | * 10) Verify token with the given password (OTP)
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44 | * 11) Blob synchronization.
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45 | * 12) Check last authentication
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46 | *
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47 | *
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48 | */
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49 | |||
50 | public class GemaltoTokenControllerImpl implements TokenController |
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51 | { |
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52 | private Ocra myocra = new Ocra(); |
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53 | |||
54 | private TokenBean tb;
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55 | private int retCode; |
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56 | private String serialNumber; |
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57 | private String authMode; |
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58 | private byte[] blob; |
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59 | private int useCount; |
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60 | private int errorCount; |
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61 | private Date lastTimeUsed; |
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62 | private Date firstTimeUsed; |
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63 | private Date lastAuthentication; |
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64 | private Date tokenExpectedDateTime; |
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65 | |||
66 | /**
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67 | * this will override the existing tokenBean object
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68 | * this will override the existing serial number, authentication mode and blob
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69 | *
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70 | * @param tokenBean
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71 | */
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72 | public GemaltoTokenControllerImpl(TokenBean tokenBean)
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73 | { |
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74 | this.tb = tokenBean;
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75 | setSerialNumber(); |
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76 | setAuthMode(); |
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77 | setBlob(); |
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78 | } |
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79 | |||
80 | /**
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81 | * this will override the existing last authentication date
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82 | *
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83 | * @param LastAuthentication
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84 | */
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85 | public void setLastAuthentication(Date lastAuthentication) |
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86 | { |
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87 | this.lastAuthentication = lastAuthentication;
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88 | } |
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89 | |||
90 | /**
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91 | * this will return updated last authentication date
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92 | *
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93 | * @return
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94 | */
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95 | public Date getLastAuthentication() |
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96 | { |
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97 | return lastAuthentication;
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98 | } |
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99 | |||
100 | /**
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101 | * this will override the existing token expected date and time
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102 | *
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103 | * @param LastAuthentication
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104 | */
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105 | public void setTokenExpectedDateTime(Date tokenExpectedDateTime) |
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106 | { |
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107 | this.tokenExpectedDateTime = tokenExpectedDateTime;
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108 | } |
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109 | |||
110 | /**
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111 | * this will return updated token expected date and time
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112 | *
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113 | * @return
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114 | */
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115 | public Date getTokenExpectedDateTime() |
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116 | { |
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117 | return tokenExpectedDateTime;
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118 | } |
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119 | |||
120 | /**
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121 | * this will override the existing tokenBean
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122 | *
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123 | */
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124 | public void setObject(TokenBean tokenBean) |
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125 | { |
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126 | this.tb = tokenBean;
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127 | } |
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128 | |||
129 | /**
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130 | * this will return the updated object (tokenBean)
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131 | *
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132 | */
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133 | public TokenBean getUpdatedObject()
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134 | { |
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135 | return tb;
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136 | } |
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137 | |||
138 | /**
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139 | * this will override the existing serial number
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140 | *
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141 | */
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142 | private void setSerialNumber() |
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143 | { |
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144 | this.serialNumber = tb.getVserialNumber();
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145 | } |
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146 | |||
147 | /**
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148 | * this will override the existing authentication mode
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149 | *
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150 | */
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151 | private void setAuthMode() |
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152 | { |
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153 | this.authMode = tb.getVdpAuthMode();
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154 | } |
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155 | |||
156 | /**
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157 | * this will override the existing blob
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158 | *
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159 | */
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160 | private void setBlob() |
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161 | { |
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162 | this.blob = tb.getVdpCipherText();
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163 | } |
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164 | |||
165 | /**
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166 | * this will return the updated blob
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167 | *
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168 | */
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169 | public byte[] getUpdatedBlob() |
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170 | { |
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171 | return this.blob; |
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172 | } |
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173 | |||
174 | /**
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175 | * this will override the existing useCount
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176 | *
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177 | */
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178 | public void setUseCount() |
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179 | { |
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180 | this.useCount = tb.getVuseCount();
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181 | } |
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182 | |||
183 | /**
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184 | * this will increase the existing useCount by 1 whenever it is invoked.
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185 | *
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186 | */
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187 | public void increaseUseCount() |
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188 | { |
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189 | this.useCount++;
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190 | } |
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191 | |||
192 | /**
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193 | * this will return the updated useCount
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194 | *
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195 | */
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196 | public int getUseCount() |
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197 | { |
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198 | return this.useCount; |
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199 | } |
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200 | |||
201 | /**
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202 | * this will override the existing errorCount
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203 | *
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204 | */
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205 | public void setErrorCount() |
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206 | { |
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207 | this.errorCount = tb.getVerrorCount();
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208 | } |
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209 | |||
210 | /**
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211 | * this will increase the existing errorCount by 1 whenever it is invoked.
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212 | *
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213 | */
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214 | public void increaseErrorCount() |
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215 | { |
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216 | this.errorCount++;
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217 | } |
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218 | |||
219 | /**
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220 | * this will return the updated errorCount
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221 | *
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222 | */
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223 | public int getErrorCount() |
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224 | { |
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225 | return this.errorCount; |
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226 | } |
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227 | |||
228 | /**
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229 | * this will override the existing first used date
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230 | *
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231 | */
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232 | public void setFirstTimeUsed() |
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233 | { |
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234 | this.firstTimeUsed = tb.getVdateFirstUsed();
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235 | } |
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236 | |||
237 | /**
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238 | * case 1: if first used date is null, then first used date will be override by current date.
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239 | * case 2: throw exception if first used date is after last used date.
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240 | *
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241 | * @param currentDate
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242 | * @throws Exception
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243 | */
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244 | public void setFirstTimeUsed(Date currentDate) throws Exception |
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245 | { |
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246 | if(this.firstTimeUsed == null) |
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247 | { |
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248 | this.firstTimeUsed = currentDate;
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249 | } |
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250 | else if(this.firstTimeUsed.compareTo(this.lastTimeUsed) > 0) |
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251 | { |
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252 | throw new Exception("Invalid date. First used date cannot be after last used date."); |
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253 | } |
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254 | } |
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255 | |||
256 | /**
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257 | * this will return the updated first used date
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258 | *
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259 | */
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260 | public Date getFirstTimeUsed() |
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261 | { |
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262 | return firstTimeUsed;
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263 | } |
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264 | |||
265 | /**
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266 | * this will override the existing last used date.
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267 | *
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268 | */
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269 | public void setLastTimeUsed() |
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270 | { |
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271 | this.lastTimeUsed = tb.getVdateFirstUsed();
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272 | } |
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273 | |||
274 | /**
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275 | * case 1: if last used date is null, then last used date will be override by current date.
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276 | * case 2: if last used date is before the current date, then last used date will be override by current date.
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277 | * case 3: throw exception if last used date is after the current date.
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278 | * case 4: throw exception if last used date is before first used date.
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279 | *
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280 | * @param currentDate
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281 | * @throws Exception
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282 | */
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283 | public void setLastTimeUsed(Date currentDate) throws Exception |
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284 | { |
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285 | if(this.lastTimeUsed == null) |
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286 | { |
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287 | this.lastTimeUsed = currentDate;
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288 | } |
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289 | else if(this.lastTimeUsed.compareTo(currentDate) < 0) |
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290 | { |
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291 | this.lastTimeUsed = currentDate;
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292 | } |
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293 | else if(this.lastTimeUsed.compareTo(currentDate) > 0) |
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294 | { |
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295 | throw new Exception("Invalid date. Last used date cannot be after current date."); |
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296 | } |
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297 | else if(this.lastTimeUsed.compareTo(this.firstTimeUsed) < 0) |
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298 | { |
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299 | throw new Exception("Invalid date. Last used date cannot be before first used date."); |
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300 | } |
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301 | } |
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302 | |||
303 | /**
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304 | * this will return the updated last used date
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305 | *
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306 | */
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307 | public Date getLastTimeUsed() |
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308 | { |
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309 | return lastTimeUsed;
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310 | } |
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311 | |||
312 | /**
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313 | * this will return the updated returned code by each invoked method
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314 | * it also acts as last returned error code.
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315 | *
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316 | */
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317 | public int getRetCode() |
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318 | { |
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319 | return retCode;
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320 | } |
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321 | |||
322 | /**
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323 | * this will return the updated error text based on the error code
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324 | *
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325 | */
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326 | public String getLastError() |
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327 | { |
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328 | String code = null; |
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329 | |||
330 | switch(this.retCode) |
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331 | { |
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332 | case 0: code = "0"; |
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333 | case 1: code = "1"; |
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334 | case 2: code = "18"; |
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335 | case 3: code = "19"; |
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336 | case 4: code = "20"; |
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337 | case 5: code = "21"; |
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338 | case 6: code = "22"; |
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339 | case 7: code = "3"; |
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340 | case 8: code = "23"; |
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341 | case 9: code = "24"; |
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342 | case 10: code = "25"; |
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343 | case 11: code = "26"; |
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344 | default:
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345 | try
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346 | { |
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347 | throw new Exception("Invalid error code."); |
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348 | } |
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349 | catch (Exception e) |
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350 | { |
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351 | e.printStackTrace(); |
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352 | } |
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353 | } |
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354 | |||
355 | return Constants.getErrText(code).get(code);
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356 | } |
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357 | |||
358 | /**
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359 | * Verify the entered On Time Password (OTP/password) for the given token
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360 | *
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361 | */
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362 | public int verifyToken(String otp, String userAlias, String pin) throws Exception |
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363 | { |
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364 | return verifyToken(otp);
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365 | } |
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366 | /**
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367 | * Verify the entered On Time Password (OTP/password) for the given token
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368 | *
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369 | */
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370 | |||
371 | public int verifyToken(String password) |
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372 | { |
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373 | int[] blobLen = new int[1]; |
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374 | blobLen[0]=500; |
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375 | |||
376 | String[] blobInString = new String[1]; |
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377 | blobInString[0] = new String(this.blob); |
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378 | |||
379 | //Time based OTP verification
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380 | //Authentication window need to be bigger for first OTP verification.
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381 | int result = myocra.comAuthBlob(0, 0, this.serialNumber, Constants.getAuthenticationMode(this.authMode), 20, 1, 100, |
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382 | new byte[0], 0, |
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383 | new byte[0], 0, |
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384 | new byte[0], 0, |
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385 | 6, password,
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386 | blobInString, blobLen); |
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387 | |||
388 | this.useCount++;
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389 | this.firstTimeUsed = new Date(); |
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390 | this.lastTimeUsed = new Date(); |
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391 | |||
392 | if(result == 0) |
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393 | { |
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394 | this.blob = blobInString[0].getBytes(); |
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395 | this.retCode = result;
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396 | updateTokenObject(); |
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397 | } |
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398 | else
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399 | { |
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400 | try
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401 | { |
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402 | this.errorCount++;
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403 | this.retCode = result;
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404 | updateTokenObject(); |
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405 | return errorCodeConversion(result);
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406 | } |
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407 | catch (Exception e) |
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408 | { |
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409 | e.printStackTrace(); |
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410 | } |
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411 | } |
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412 | |||
413 | return Constants.ERR_SUCCESS;
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414 | } |
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415 | |||
416 | /**
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417 | * Check last successful authentication
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418 | *
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419 | * @return
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420 | */
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421 | public int checkLastAuthentication() |
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422 | { |
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423 | String[] blobInString = new String[1]; |
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424 | blobInString[0] = new String(this.blob); |
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425 | int [] LastAuthTime = new int[1]; |
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426 | int [] TokenExpectedTime = new int[1]; |
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427 | |||
428 | int result = myocra.comGetInfo(0, 0, serialNumber, Constants.getAuthenticationMode("AUTH_OCRA"), blobInString, blobInString[0].length(), LastAuthTime, TokenExpectedTime); |
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429 | |||
430 | if(result == 0) |
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431 | { |
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432 | //For first use of blob, LastAuthTimeDate returns a value of 0 or in Date format, Thu Jan 01 07:30:00 SGT 1970.
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433 | if(LastAuthTime[0] == 0) |
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434 | { |
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435 | System.out.println("No Last authentication."); |
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436 | } |
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437 | else
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438 | { |
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439 | this.blob = blobInString[0].getBytes(); |
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440 | this.lastAuthentication = new Date(Long.parseLong(""+LastAuthTime[0])* 1000); |
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441 | this.tokenExpectedDateTime = new Date(Long.parseLong(""+TokenExpectedTime[0])* 1000); |
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442 | this.retCode = result;
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443 | } |
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444 | } |
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445 | else
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446 | { |
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447 | try
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448 | { |
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449 | this.errorCount++;
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450 | this.retCode = result;
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451 | updateTokenObject(); |
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452 | return errorCodeConversion(result);
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453 | } |
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454 | catch (Exception e) |
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455 | { |
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456 | e.printStackTrace(); |
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457 | } |
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458 | } |
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459 | |||
460 | return Constants.ERR_SUCCESS;
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461 | } |
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462 | |||
463 | /**
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464 | * In order to perform blob synchronization, 2 token verifications shall be performed .
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465 | * First token verification must have larger time drift windows then the second's.
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466 | * First token verification must be executed first before execute the second.
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467 | * Second token verification must use new password (OTP) and lesser time drift window.
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468 | * If the returned result of first verification is successful or 0, then second verification will be executed.
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469 | * If the returned results of both first and second verifications are successful or 0, then blobSynchronization is successful,
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470 | * otherwise, it is failed.
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471 | *
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472 | *
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473 | * @param timeDriftWindow
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474 | * @param password
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475 | * @return
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476 | */
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477 | public int blobSynchronization(int timeDriftWindow1, String password1, int timeDriftWindow2, String password2) |
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478 | { |
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479 | int result = blobSynchronizationTokenVerification(timeDriftWindow1, password1);
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480 | |||
481 | if(result == 0) |
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482 | { |
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483 | result = blobSynchronizationTokenVerification(timeDriftWindow2, password2); |
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484 | |||
485 | if(result == 0) |
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486 | { |
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487 | this.retCode = result;
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488 | updateTokenObject(); |
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489 | } |
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490 | else
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491 | { |
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492 | try
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493 | { |
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494 | this.errorCount++;
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495 | this.retCode = result;
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496 | updateTokenObject(); |
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497 | return errorCodeConversion(result);
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498 | } |
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499 | catch (Exception e) |
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500 | { |
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501 | e.printStackTrace(); |
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502 | } |
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503 | } |
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504 | } |
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505 | else
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506 | { |
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507 | try
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508 | { |
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509 | this.retCode = result;
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510 | return errorCodeConversion(result);
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511 | } |
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512 | catch (Exception e) |
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513 | { |
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514 | e.printStackTrace(); |
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515 | } |
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516 | } |
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517 | |||
518 | return Constants.ERR_SUCCESS;
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519 | } |
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520 | |||
521 | /**
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522 | * This method will be used in blobSynchronization to verify the token and blob synchronization
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523 | *
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524 | * @param timeDriftWindow
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525 | * @param password
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526 | * @return
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527 | */
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528 | private int blobSynchronizationTokenVerification(int timeDriftWindow, String password) |
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529 | { |
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530 | if(this.retCode == 0) |
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531 | { |
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532 | int[] blobLen = new int[1]; |
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533 | blobLen[0]=500; |
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534 | |||
535 | String[] blobInString = new String[1]; |
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536 | blobInString[0] = new String(this.blob); |
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537 | |||
538 | //Time based OTP verification
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539 | //Authentication window need to be bigger for first OTP verification.
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540 | int result = myocra.comAuthBlob(0, 0, this.serialNumber, Constants.getAuthenticationMode(this.authMode), timeDriftWindow, 1, 100, |
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541 | new byte[0], 0, |
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542 | new byte[0], 0, |
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543 | new byte[0], 0, |
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544 | 6, password,
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545 | blobInString, blobLen); |
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546 | |||
547 | this.useCount++;
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548 | this.firstTimeUsed = new Date(); |
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549 | this.lastTimeUsed = new Date(); |
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550 | |||
551 | if(result == 0) |
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552 | { |
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553 | this.blob = blobInString[0].getBytes(); |
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554 | this.retCode = result;
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555 | updateTokenObject(); |
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556 | } |
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557 | else
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558 | { |
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559 | try
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560 | { |
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561 | this.errorCount++;
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562 | this.retCode = result;
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563 | updateTokenObject(); |
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564 | return errorCodeConversion(result);
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565 | } |
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566 | catch (Exception e) |
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567 | { |
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568 | e.printStackTrace(); |
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569 | } |
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570 | } |
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571 | |||
572 | } |
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573 | |||
574 | return Constants.ERR_SUCCESS;
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575 | } |
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576 | |||
577 | /**
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578 | * This will reset the token back to the initial state
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579 | * The blob will be regenerated with the backup blob which is initially generated when it is imported from the pskc file.
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580 | *
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581 | */
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582 | public int resetToken() |
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583 | { |
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584 | this.retCode = 0; |
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585 | this.blob = tb.getVbkCipherText();
|
||
586 | this.useCount = 0; |
||
587 | this.errorCount = 0; |
||
588 | this.lastTimeUsed = null; |
||
589 | this.firstTimeUsed = null; |
||
590 | this.lastAuthentication = null; |
||
591 | this.tokenExpectedDateTime = null; |
||
592 | updateTokenObject(); |
||
593 | |||
594 | return Constants.ERR_SUCCESS;
|
||
595 | } |
||
596 | |||
597 | public HashMap<String, String> getTokenBlobInfo() |
||
598 | { |
||
599 | HashMap<String,String> map = new HashMap<String,String>(); |
||
600 | |||
601 | map.put("TOKEN_MODEL", tb.getVdpModel());
|
||
602 | map.put("USE_COUNT", Integer.toString(tb.getVuseCount())); |
||
603 | map.put("ERROR_COUNT", Integer.toString(tb.getVerrorCount())); |
||
604 | map.put("LAST_TIME_USED", String.valueOf (tb.getVdateLastUsed())); |
||
605 | map.put("TIME_STEP_USED", Integer.toString(Constants.TIMESTEPUSED)); |
||
606 | |||
607 | return map;
|
||
608 | } |
||
609 | |||
610 | /**
|
||
611 | * display gemalto token information
|
||
612 | * In comparion with vasco, only limited information will be displayed.
|
||
613 | *
|
||
614 | */
|
||
615 | public void displayTokenInfo() |
||
616 | { |
||
617 | System.out.println("--Info----------------------------------------------"); |
||
618 | System.out.println("TOKEN_MODEL......." + tb.getVdpModel()); |
||
619 | System.out.println("USE_COUNT........." + tb.getVuseCount()); |
||
620 | System.out.println("ERR_COUNT........." + tb.getVerrorCount()); |
||
621 | System.out.println("LAST_TIME_USED...." + tb.getVdateLastUsed()); |
||
622 | System.out.println("TIME_STEP_USED...." + Constants.TIMESTEPUSED); |
||
623 | System.out.println("----------------------------------------------------"); |
||
624 | } |
||
625 | |||
626 | /**
|
||
627 | * This will override the existing tokenBean object
|
||
628 | *
|
||
629 | */
|
||
630 | private void updateTokenObject() |
||
631 | { |
||
632 | tb.setVuseCount(this.useCount );
|
||
633 | tb.setVerrorCount(this.errorCount );
|
||
634 | tb.setVdpCipherText(this.blob);
|
||
635 | tb.setVdateFirstUsed(this.firstTimeUsed);
|
||
636 | tb.setVdateLastUsed(this.lastTimeUsed);
|
||
637 | } |
||
638 | |||
639 | |||
640 | |||
641 | /*
|
||
642 | * Code the gemalto returned error code to match with vasco's
|
||
643 | *
|
||
644 | */
|
||
645 | private int errorCodeConversion(int errorCode) throws Exception |
||
646 | { |
||
647 | switch(errorCode)
|
||
648 | { |
||
649 | case 0: return Constants.ERR_SUCCESS; |
||
650 | case 1: return Constants.ERR_INVALID_CREDENTIAL; |
||
651 | case 2: return Constants.ERR_BLOBINVALID; |
||
652 | case 3: return Constants.ERR_BUFFER; |
||
653 | case 4: return Constants.ERR_PARAM; |
||
654 | case 5: return Constants.ERR_SNOINVALID; |
||
655 | case 6: return Constants.ERR_OTPINVALID; |
||
656 | case 7: return Constants.ERR_REUSED_PASSWD; |
||
657 | case 8: return Constants.ERR_BLOBOTINIT; |
||
658 | case 9: return Constants.ERR_FAILED; |
||
659 | case 10: return Constants.ERR_REQINVALID; |
||
660 | case 11: return Constants.ERR_AUTH_MODE; |
||
661 | default: throw new Exception("Invalid error code."); |
||
662 | } |
||
663 | } |
||
664 | |||
665 | public int syncToken(String userAlias, String otp1, String otp2) { |
||
666 | // TODO Auto-generated method stub
|
||
667 | return 0; |
||
668 | } |
||
669 | } |