m2u-upass-core / src / my / com / upass / gemalto / GemaltoTokenControllerImpl.java @ 0:02300db8682b
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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 | @Override
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125 | public void setObject(TokenBean tokenBean) |
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126 | { |
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127 | this.tb = tokenBean;
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128 | } |
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129 | |||
130 | /**
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131 | * this will return the updated object (tokenBean)
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132 | *
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133 | */
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134 | @Override
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135 | public TokenBean getUpdatedObject()
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136 | { |
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137 | return tb;
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138 | } |
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139 | |||
140 | /**
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141 | * this will override the existing serial number
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142 | *
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143 | */
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144 | private void setSerialNumber() |
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145 | { |
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146 | this.serialNumber = tb.getVserialNumber();
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147 | } |
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148 | |||
149 | /**
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150 | * this will override the existing authentication mode
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151 | *
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152 | */
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153 | private void setAuthMode() |
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154 | { |
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155 | this.authMode = tb.getVdpAuthMode();
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156 | } |
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157 | |||
158 | /**
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159 | * this will override the existing blob
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160 | *
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161 | */
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162 | private void setBlob() |
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163 | { |
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164 | this.blob = tb.getVdpCipherText();
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165 | } |
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166 | |||
167 | /**
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168 | * this will return the updated blob
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169 | *
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170 | */
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171 | public byte[] getUpdatedBlob() |
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172 | { |
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173 | return this.blob; |
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174 | } |
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175 | |||
176 | /**
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177 | * this will override the existing useCount
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178 | *
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179 | */
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180 | public void setUseCount() |
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181 | { |
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182 | this.useCount = tb.getVuseCount();
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183 | } |
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184 | |||
185 | /**
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186 | * this will increase the existing useCount by 1 whenever it is invoked.
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187 | *
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188 | */
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189 | public void increaseUseCount() |
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190 | { |
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191 | this.useCount++;
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192 | } |
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193 | |||
194 | /**
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195 | * this will return the updated useCount
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196 | *
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197 | */
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198 | public int getUseCount() |
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199 | { |
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200 | return this.useCount; |
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201 | } |
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202 | |||
203 | /**
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204 | * this will override the existing errorCount
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205 | *
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206 | */
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207 | public void setErrorCount() |
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208 | { |
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209 | this.errorCount = tb.getVerrorCount();
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210 | } |
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211 | |||
212 | /**
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213 | * this will increase the existing errorCount by 1 whenever it is invoked.
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214 | *
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215 | */
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216 | public void increaseErrorCount() |
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217 | { |
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218 | this.errorCount++;
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219 | } |
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220 | |||
221 | /**
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222 | * this will return the updated errorCount
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223 | *
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224 | */
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225 | public int getErrorCount() |
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226 | { |
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227 | return this.errorCount; |
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228 | } |
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229 | |||
230 | /**
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231 | * this will override the existing first used date
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232 | *
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233 | */
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234 | public void setFirstTimeUsed() |
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235 | { |
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236 | this.firstTimeUsed = tb.getVdateFirstUsed();
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237 | } |
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238 | |||
239 | /**
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240 | * case 1: if first used date is null, then first used date will be override by current date.
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241 | * case 2: throw exception if first used date is after last used date.
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242 | *
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243 | * @param currentDate
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244 | * @throws Exception
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245 | */
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246 | public void setFirstTimeUsed(Date currentDate) throws Exception |
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247 | { |
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248 | if(this.firstTimeUsed == null) |
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249 | { |
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250 | this.firstTimeUsed = currentDate;
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251 | } |
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252 | else if(this.firstTimeUsed.compareTo(this.lastTimeUsed) > 0) |
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253 | { |
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254 | throw new Exception("Invalid date. First used date cannot be after last used date."); |
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255 | } |
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256 | } |
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257 | |||
258 | /**
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259 | * this will return the updated first used date
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260 | *
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261 | */
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262 | public Date getFirstTimeUsed() |
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263 | { |
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264 | return firstTimeUsed;
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265 | } |
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266 | |||
267 | /**
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268 | * this will override the existing last used date.
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269 | *
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270 | */
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271 | public void setLastTimeUsed() |
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272 | { |
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273 | this.lastTimeUsed = tb.getVdateFirstUsed();
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274 | } |
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275 | |||
276 | /**
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277 | * case 1: if last used date is null, then last used date will be override by current date.
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278 | * 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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279 | * case 3: throw exception if last used date is after the current date.
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280 | * case 4: throw exception if last used date is before first used date.
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281 | *
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282 | * @param currentDate
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283 | * @throws Exception
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284 | */
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285 | public void setLastTimeUsed(Date currentDate) throws Exception |
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286 | { |
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287 | if(this.lastTimeUsed == null) |
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288 | { |
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289 | this.lastTimeUsed = currentDate;
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290 | } |
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291 | else if(this.lastTimeUsed.compareTo(currentDate) < 0) |
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292 | { |
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293 | this.lastTimeUsed = currentDate;
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294 | } |
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295 | else if(this.lastTimeUsed.compareTo(currentDate) > 0) |
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296 | { |
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297 | throw new Exception("Invalid date. Last used date cannot be after current date."); |
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298 | } |
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299 | else if(this.lastTimeUsed.compareTo(this.firstTimeUsed) < 0) |
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300 | { |
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301 | throw new Exception("Invalid date. Last used date cannot be before first used date."); |
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302 | } |
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303 | } |
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304 | |||
305 | /**
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306 | * this will return the updated last used date
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307 | *
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308 | */
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309 | public Date getLastTimeUsed() |
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310 | { |
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311 | return lastTimeUsed;
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312 | } |
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313 | |||
314 | /**
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315 | * this will return the updated returned code by each invoked method
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316 | * it also acts as last returned error code.
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317 | *
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318 | */
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319 | @Override
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320 | public int getRetCode() |
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321 | { |
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322 | return retCode;
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323 | } |
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324 | |||
325 | /**
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326 | * this will return the updated error text based on the error code
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327 | *
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328 | */
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329 | @Override
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330 | public String getLastError() |
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331 | { |
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332 | String code = null; |
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333 | |||
334 | switch(this.retCode) |
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335 | { |
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336 | case 0: code = "0"; |
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337 | case 1: code = "1"; |
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338 | case 2: code = "18"; |
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339 | case 3: code = "19"; |
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340 | case 4: code = "20"; |
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341 | case 5: code = "21"; |
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342 | case 6: code = "22"; |
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343 | case 7: code = "3"; |
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344 | case 8: code = "23"; |
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345 | case 9: code = "24"; |
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346 | case 10: code = "25"; |
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347 | case 11: code = "26"; |
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348 | default:
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349 | try
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350 | { |
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351 | throw new Exception("Invalid error code."); |
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352 | } |
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353 | catch (Exception e) |
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354 | { |
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355 | e.printStackTrace(); |
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356 | } |
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357 | } |
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358 | |||
359 | return Constants.getErrText(code).get(code);
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360 | } |
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361 | |||
362 | /**
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363 | * Verify the entered On Time Password (OTP/password) for the given token
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364 | *
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365 | */
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366 | @Override
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367 | public int verifyToken(String otp, String userAlias, String pin) throws Exception |
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368 | { |
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369 | return verifyToken(otp);
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370 | } |
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371 | /**
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372 | * Verify the entered On Time Password (OTP/password) for the given token
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373 | *
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374 | */
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375 | |||
376 | public int verifyToken(String password) |
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377 | { |
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378 | int[] blobLen = new int[1]; |
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379 | blobLen[0]=500; |
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380 | |||
381 | String[] blobInString = new String[1]; |
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382 | blobInString[0] = new String(this.blob); |
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383 | |||
384 | //Time based OTP verification
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385 | //Authentication window need to be bigger for first OTP verification.
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386 | int result = myocra.comAuthBlob(0, 0, this.serialNumber, Constants.getAuthenticationMode(this.authMode), 20, 1, 100, |
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387 | new byte[0], 0, |
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388 | new byte[0], 0, |
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389 | new byte[0], 0, |
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390 | 6, password,
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391 | blobInString, blobLen); |
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392 | |||
393 | this.useCount++;
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394 | this.firstTimeUsed = new Date(); |
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395 | this.lastTimeUsed = new Date(); |
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396 | |||
397 | if(result == 0) |
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398 | { |
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399 | this.blob = blobInString[0].getBytes(); |
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400 | this.retCode = result;
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401 | updateTokenObject(); |
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402 | } |
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403 | else
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404 | { |
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405 | try
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406 | { |
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407 | this.errorCount++;
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408 | this.retCode = result;
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409 | updateTokenObject(); |
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410 | return errorCodeConversion(result);
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411 | } |
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412 | catch (Exception e) |
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413 | { |
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414 | e.printStackTrace(); |
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415 | } |
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416 | } |
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417 | |||
418 | return Constants.ERR_SUCCESS;
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419 | } |
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420 | |||
421 | /**
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422 | * Check last successful authentication
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423 | *
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424 | * @return
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425 | */
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426 | public int checkLastAuthentication() |
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427 | { |
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428 | String[] blobInString = new String[1]; |
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429 | blobInString[0] = new String(this.blob); |
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430 | int [] LastAuthTime = new int[1]; |
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431 | int [] TokenExpectedTime = new int[1]; |
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432 | |||
433 | int result = myocra.comGetInfo(0, 0, serialNumber, Constants.getAuthenticationMode("AUTH_OCRA"), blobInString, blobInString[0].length(), LastAuthTime, TokenExpectedTime); |
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434 | |||
435 | if(result == 0) |
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436 | { |
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437 | //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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438 | if(LastAuthTime[0] == 0) |
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439 | { |
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440 | System.out.println("No Last authentication."); |
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441 | } |
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442 | else
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443 | { |
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444 | this.blob = blobInString[0].getBytes(); |
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445 | this.lastAuthentication = new Date(Long.parseLong(""+LastAuthTime[0])* 1000); |
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446 | this.tokenExpectedDateTime = new Date(Long.parseLong(""+TokenExpectedTime[0])* 1000); |
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447 | this.retCode = result;
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448 | } |
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449 | } |
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450 | else
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451 | { |
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452 | try
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453 | { |
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454 | this.errorCount++;
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455 | this.retCode = result;
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456 | updateTokenObject(); |
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457 | return errorCodeConversion(result);
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458 | } |
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459 | catch (Exception e) |
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460 | { |
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461 | e.printStackTrace(); |
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462 | } |
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463 | } |
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464 | |||
465 | return Constants.ERR_SUCCESS;
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466 | } |
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467 | |||
468 | /**
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469 | * In order to perform blob synchronization, 2 token verifications shall be performed .
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470 | * First token verification must have larger time drift windows then the second's.
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471 | * First token verification must be executed first before execute the second.
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472 | * Second token verification must use new password (OTP) and lesser time drift window.
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473 | * If the returned result of first verification is successful or 0, then second verification will be executed.
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474 | * If the returned results of both first and second verifications are successful or 0, then blobSynchronization is successful,
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475 | * otherwise, it is failed.
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476 | *
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477 | *
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478 | * @param timeDriftWindow
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479 | * @param password
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480 | * @return
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481 | */
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482 | public int blobSynchronization(int timeDriftWindow1, String password1, int timeDriftWindow2, String password2) |
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483 | { |
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484 | int result = blobSynchronizationTokenVerification(timeDriftWindow1, password1);
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485 | |||
486 | if(result == 0) |
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487 | { |
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488 | result = blobSynchronizationTokenVerification(timeDriftWindow2, password2); |
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489 | |||
490 | if(result == 0) |
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491 | { |
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492 | this.retCode = result;
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493 | updateTokenObject(); |
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494 | } |
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495 | else
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496 | { |
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497 | try
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498 | { |
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499 | this.errorCount++;
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500 | this.retCode = result;
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501 | updateTokenObject(); |
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502 | return errorCodeConversion(result);
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503 | } |
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504 | catch (Exception e) |
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505 | { |
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506 | e.printStackTrace(); |
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507 | } |
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508 | } |
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509 | } |
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510 | else
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511 | { |
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512 | try
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513 | { |
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514 | this.retCode = result;
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515 | return errorCodeConversion(result);
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516 | } |
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517 | catch (Exception e) |
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518 | { |
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519 | e.printStackTrace(); |
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520 | } |
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521 | } |
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522 | |||
523 | return Constants.ERR_SUCCESS;
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524 | } |
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525 | |||
526 | /**
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527 | * This method will be used in blobSynchronization to verify the token and blob synchronization
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528 | *
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529 | * @param timeDriftWindow
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530 | * @param password
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531 | * @return
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532 | */
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533 | private int blobSynchronizationTokenVerification(int timeDriftWindow, String password) |
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534 | { |
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535 | if(this.retCode == 0) |
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536 | { |
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537 | int[] blobLen = new int[1]; |
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538 | blobLen[0]=500; |
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539 | |||
540 | String[] blobInString = new String[1]; |
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541 | blobInString[0] = new String(this.blob); |
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542 | |||
543 | //Time based OTP verification
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544 | //Authentication window need to be bigger for first OTP verification.
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545 | int result = myocra.comAuthBlob(0, 0, this.serialNumber, Constants.getAuthenticationMode(this.authMode), timeDriftWindow, 1, 100, |
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546 | new byte[0], 0, |
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547 | new byte[0], 0, |
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548 | new byte[0], 0, |
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549 | 6, password,
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550 | blobInString, blobLen); |
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551 | |||
552 | this.useCount++;
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553 | this.firstTimeUsed = new Date(); |
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554 | this.lastTimeUsed = new Date(); |
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555 | |||
556 | if(result == 0) |
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557 | { |
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558 | this.blob = blobInString[0].getBytes(); |
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559 | this.retCode = result;
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560 | updateTokenObject(); |
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561 | } |
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562 | else
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563 | { |
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564 | try
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565 | { |
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566 | this.errorCount++;
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567 | this.retCode = result;
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568 | updateTokenObject(); |
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569 | return errorCodeConversion(result);
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570 | } |
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571 | catch (Exception e) |
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572 | { |
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573 | e.printStackTrace(); |
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574 | } |
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575 | } |
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576 | |||
577 | } |
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578 | |||
579 | return Constants.ERR_SUCCESS;
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580 | } |
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581 | |||
582 | /**
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583 | * This will reset the token back to the initial state
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584 | * 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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585 | *
|
||
586 | */
|
||
587 | @Override
|
||
588 | public int resetToken() |
||
589 | { |
||
590 | this.retCode = 0; |
||
591 | this.blob = tb.getVbkCipherText();
|
||
592 | this.useCount = 0; |
||
593 | this.errorCount = 0; |
||
594 | this.lastTimeUsed = null; |
||
595 | this.firstTimeUsed = null; |
||
596 | this.lastAuthentication = null; |
||
597 | this.tokenExpectedDateTime = null; |
||
598 | updateTokenObject(); |
||
599 | |||
600 | return Constants.ERR_SUCCESS;
|
||
601 | } |
||
602 | |||
603 | @Override
|
||
604 | public HashMap<String, String> getTokenBlobInfo() |
||
605 | { |
||
606 | HashMap<String,String> map = new HashMap<String,String>(); |
||
607 | |||
608 | map.put("TOKEN_MODEL", tb.getVdpModel());
|
||
609 | map.put("USE_COUNT", Integer.toString(tb.getVuseCount())); |
||
610 | map.put("ERROR_COUNT", Integer.toString(tb.getVerrorCount())); |
||
611 | map.put("LAST_TIME_USED", String.valueOf (tb.getVdateLastUsed())); |
||
612 | map.put("TIME_STEP_USED", Integer.toString(Constants.TIMESTEPUSED)); |
||
613 | |||
614 | return map;
|
||
615 | } |
||
616 | |||
617 | /**
|
||
618 | * display gemalto token information
|
||
619 | * In comparion with vasco, only limited information will be displayed.
|
||
620 | *
|
||
621 | */
|
||
622 | public void displayTokenInfo() |
||
623 | { |
||
624 | System.out.println("--Info----------------------------------------------"); |
||
625 | System.out.println("TOKEN_MODEL......." + tb.getVdpModel()); |
||
626 | System.out.println("USE_COUNT........." + tb.getVuseCount()); |
||
627 | System.out.println("ERR_COUNT........." + tb.getVerrorCount()); |
||
628 | System.out.println("LAST_TIME_USED...." + tb.getVdateLastUsed()); |
||
629 | System.out.println("TIME_STEP_USED...." + Constants.TIMESTEPUSED); |
||
630 | System.out.println("----------------------------------------------------"); |
||
631 | } |
||
632 | |||
633 | /**
|
||
634 | * This will override the existing tokenBean object
|
||
635 | *
|
||
636 | */
|
||
637 | private void updateTokenObject() |
||
638 | { |
||
639 | tb.setVuseCount(this.useCount );
|
||
640 | tb.setVerrorCount(this.errorCount );
|
||
641 | tb.setVdpCipherText(this.blob);
|
||
642 | tb.setVdateFirstUsed(this.firstTimeUsed);
|
||
643 | tb.setVdateLastUsed(this.lastTimeUsed);
|
||
644 | } |
||
645 | |||
646 | |||
647 | |||
648 | /*
|
||
649 | * Code the gemalto returned error code to match with vasco's
|
||
650 | *
|
||
651 | */
|
||
652 | private int errorCodeConversion(int errorCode) throws Exception |
||
653 | { |
||
654 | switch(errorCode)
|
||
655 | { |
||
656 | case 0: return Constants.ERR_SUCCESS; |
||
657 | case 1: return Constants.ERR_INVALID_CREDENTIAL; |
||
658 | case 2: return Constants.ERR_BLOBINVALID; |
||
659 | case 3: return Constants.ERR_BUFFER; |
||
660 | case 4: return Constants.ERR_PARAM; |
||
661 | case 5: return Constants.ERR_SNOINVALID; |
||
662 | case 6: return Constants.ERR_OTPINVALID; |
||
663 | case 7: return Constants.ERR_REUSED_PASSWD; |
||
664 | case 8: return Constants.ERR_BLOBOTINIT; |
||
665 | case 9: return Constants.ERR_FAILED; |
||
666 | case 10: return Constants.ERR_REQINVALID; |
||
667 | case 11: return Constants.ERR_AUTH_MODE; |
||
668 | default: throw new Exception("Invalid error code."); |
||
669 | } |
||
670 | } |
||
671 | |||
672 | @Override
|
||
673 | public int syncToken(String userAlias, String otp1, String otp2) { |
||
674 | // TODO Auto-generated method stub
|
||
675 | return 0; |
||
676 | } |
||
677 | } |