m2u-upass-core / src / my / com / upass / gemalto / GemaltoTokenControllerImpl.java @ 5:f608e6319b70
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/*
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* Copyright (c) 2012 Penril Datability (M) Sdn Bhd All rights reserved.
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*
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* This software is copyrighted. Under the copyright laws, this software
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* may not be copied, in whole or in part, without prior written consent
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* of Penril Datability (M) Sdn Bhd or its assignees. This software is
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* provided under the terms of a license between Penril Datability (M)
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* Sdn Bhd and the recipient, and its use is subject to the terms of that
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* license.
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*/
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package my.com.upass.gemalto; |
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import java.util.Date; |
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import java.util.HashMap; |
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import ocra.Ocra; |
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import my.com.upass.Constants; |
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import my.com.upass.TokenBean; |
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import my.com.upass.vasco.TokenController; |
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/*
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* <pre>
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* PROGRAMMER: Enson Yeoh
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* CHANGE-NO:
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* TASK-NO:
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* DATE CREATED: Oct 5, 2012
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* TAG AS:
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* REASON(S):
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* MODIFICATION:
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* </pre>
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*
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*
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* Requirements:
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* 1) Retrieve the tokenBean and override the existing tokenBean object.
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* 2) Override the existing serial number with the given tokenBean.
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* 3) Override the existing authentication mode with the given tokenBean.
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* 4) Override the existing blob with the given tokenBean.
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* 5) Update useCount (total number of usage of the given token)
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* 6) Update errorCount (total number of errors attempted by the given token)
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* 7) Update last first time (the first usage date of the given token)
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* 8) Update last used time (the last usage date of the given token)
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* 9) Update the tokenBean object whenever there is changes.
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* 10) Verify token with the given password (OTP)
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* 11) Blob synchronization.
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* 12) Check last authentication
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*
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*
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*/
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public class GemaltoTokenControllerImpl implements TokenController |
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{
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private Ocra myocra = new Ocra(); |
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private TokenBean tb;
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private int retCode; |
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private String serialNumber; |
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private String authMode; |
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private byte[] blob; |
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private int useCount; |
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private int errorCount; |
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private Date lastTimeUsed; |
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private Date firstTimeUsed; |
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private Date lastAuthentication; |
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private Date tokenExpectedDateTime; |
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/**
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* this will override the existing tokenBean object
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* this will override the existing serial number, authentication mode and blob
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*
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* @param tokenBean
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*/
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public GemaltoTokenControllerImpl(TokenBean tokenBean)
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{
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this.tb = tokenBean;
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setSerialNumber(); |
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setAuthMode(); |
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setBlob(); |
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} |
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/**
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* this will override the existing last authentication date
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*
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* @param LastAuthentication
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*/
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public void setLastAuthentication(Date lastAuthentication) |
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{
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this.lastAuthentication = lastAuthentication;
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} |
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/**
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* this will return updated last authentication date
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*
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* @return
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*/
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public Date getLastAuthentication() |
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{
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return lastAuthentication;
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} |
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/**
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* this will override the existing token expected date and time
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*
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* @param LastAuthentication
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*/
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public void setTokenExpectedDateTime(Date tokenExpectedDateTime) |
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{
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this.tokenExpectedDateTime = tokenExpectedDateTime;
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} |
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/**
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* this will return updated token expected date and time
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*
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* @return
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*/
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public Date getTokenExpectedDateTime() |
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{
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return tokenExpectedDateTime;
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} |
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/**
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* this will override the existing tokenBean
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*
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*/
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public void setObject(TokenBean tokenBean) |
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{
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this.tb = tokenBean;
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} |
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/**
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* this will return the updated object (tokenBean)
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*
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*/
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public TokenBean getUpdatedObject()
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{
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return tb;
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} |
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/**
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* this will override the existing serial number
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*
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*/
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private void setSerialNumber() |
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{
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this.serialNumber = tb.getVserialNumber();
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} |
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/**
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* this will override the existing authentication mode
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*
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*/
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private void setAuthMode() |
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{
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this.authMode = tb.getVdpAuthMode();
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} |
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/**
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* this will override the existing blob
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*
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*/
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private void setBlob() |
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{
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this.blob = tb.getVdpCipherText();
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} |
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/**
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* this will return the updated blob
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*
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*/
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public byte[] getUpdatedBlob() |
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{
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return this.blob; |
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} |
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/**
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* this will override the existing useCount
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*
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*/
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public void setUseCount() |
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{
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this.useCount = tb.getVuseCount();
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} |
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/**
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* this will increase the existing useCount by 1 whenever it is invoked.
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*
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*/
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public void increaseUseCount() |
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{
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this.useCount++;
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} |
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/**
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* this will return the updated useCount
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*
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*/
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public int getUseCount() |
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{
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return this.useCount; |
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} |
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/**
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* this will override the existing errorCount
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*
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*/
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public void setErrorCount() |
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{
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this.errorCount = tb.getVerrorCount();
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} |
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/**
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* this will increase the existing errorCount by 1 whenever it is invoked.
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*
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*/
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public void increaseErrorCount() |
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{
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this.errorCount++;
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} |
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/**
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* this will return the updated errorCount
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*
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*/
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public int getErrorCount() |
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{
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return this.errorCount; |
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} |
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/**
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* this will override the existing first used date
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*
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*/
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public void setFirstTimeUsed() |
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{
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this.firstTimeUsed = tb.getVdateFirstUsed();
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} |
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/**
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* case 1: if first used date is null, then first used date will be override by current date.
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* case 2: throw exception if first used date is after last used date.
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*
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* @param currentDate
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* @throws Exception
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*/
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public void setFirstTimeUsed(Date currentDate) throws Exception |
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{
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if(this.firstTimeUsed == null) |
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{
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this.firstTimeUsed = currentDate;
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} |
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else if(this.firstTimeUsed.compareTo(this.lastTimeUsed) > 0) |
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{
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throw new Exception("Invalid date. First used date cannot be after last used date."); |
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} |
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} |
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/**
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* this will return the updated first used date
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*
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*/
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public Date getFirstTimeUsed() |
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{
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return firstTimeUsed;
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} |
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/**
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* this will override the existing last used date.
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*
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*/
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public void setLastTimeUsed() |
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{
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this.lastTimeUsed = tb.getVdateFirstUsed();
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} |
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/**
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* case 1: if last used date is null, then last used date will be override by current date.
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* 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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* case 3: throw exception if last used date is after the current date.
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* case 4: throw exception if last used date is before first used date.
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*
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* @param currentDate
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* @throws Exception
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*/
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public void setLastTimeUsed(Date currentDate) throws Exception |
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{
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if(this.lastTimeUsed == null) |
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{
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this.lastTimeUsed = currentDate;
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} |
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else if(this.lastTimeUsed.compareTo(currentDate) < 0) |
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{
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this.lastTimeUsed = currentDate;
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} |
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else if(this.lastTimeUsed.compareTo(currentDate) > 0) |
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{
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throw new Exception("Invalid date. Last used date cannot be after current date."); |
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} |
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else if(this.lastTimeUsed.compareTo(this.firstTimeUsed) < 0) |
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{
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throw new Exception("Invalid date. Last used date cannot be before first used date."); |
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} |
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} |
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/**
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* this will return the updated last used date
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*
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*/
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public Date getLastTimeUsed() |
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{
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return lastTimeUsed;
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} |
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/**
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* this will return the updated returned code by each invoked method
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* it also acts as last returned error code.
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*
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*/
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public int getRetCode() |
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{
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return retCode;
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} |
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/**
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* this will return the updated error text based on the error code
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*
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*/
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public String getLastError() |
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{
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String code = null; |
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switch(this.retCode) |
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{
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case 0: code = "0"; |
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case 1: code = "1"; |
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case 2: code = "18"; |
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case 3: code = "19"; |
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case 4: code = "20"; |
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case 5: code = "21"; |
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case 6: code = "22"; |
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case 7: code = "3"; |
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case 8: code = "23"; |
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case 9: code = "24"; |
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case 10: code = "25"; |
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case 11: code = "26"; |
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default:
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try
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{
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throw new Exception("Invalid error code."); |
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} |
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catch (Exception e) |
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{
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e.printStackTrace(); |
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} |
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} |
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return Constants.getErrText(code).get(code);
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} |
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/**
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* Verify the entered On Time Password (OTP/password) for the given token
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*
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*/
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public int verifyToken(String otp, String userAlias, String pin) throws Exception |
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{
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return verifyToken(otp);
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} |
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/**
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* Verify the entered On Time Password (OTP/password) for the given token
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*
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*/
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public int verifyToken(String password) |
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{
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int[] blobLen = new int[1]; |
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blobLen[0]=500; |
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String[] blobInString = new String[1]; |
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blobInString[0] = new String(this.blob); |
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//Time based OTP verification
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//Authentication window need to be bigger for first OTP verification.
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int result = myocra.comAuthBlob(0, 0, this.serialNumber, Constants.getAuthenticationMode(this.authMode), 20, 1, 100, |
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new byte[0], 0, |
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new byte[0], 0, |
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new byte[0], 0, |
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6, password,
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blobInString, blobLen); |
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this.useCount++;
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this.firstTimeUsed = new Date(); |
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this.lastTimeUsed = new Date(); |
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if(result == 0) |
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{
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this.blob = blobInString[0].getBytes(); |
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this.retCode = result;
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updateTokenObject(); |
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} |
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else
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{
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try
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{
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this.errorCount++;
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this.retCode = result;
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updateTokenObject(); |
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return errorCodeConversion(result);
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} |
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catch (Exception e) |
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{
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e.printStackTrace(); |
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} |
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} |
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return Constants.ERR_SUCCESS;
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} |
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/**
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* Check last successful authentication
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*
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* @return
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*/
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public int checkLastAuthentication() |
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{
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String[] blobInString = new String[1]; |
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blobInString[0] = new String(this.blob); |
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int [] LastAuthTime = new int[1]; |
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int [] TokenExpectedTime = new int[1]; |
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int result = myocra.comGetInfo(0, 0, serialNumber, Constants.getAuthenticationMode("AUTH_OCRA"), blobInString, blobInString[0].length(), LastAuthTime, TokenExpectedTime); |
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if(result == 0) |
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{
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//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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if(LastAuthTime[0] == 0) |
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{
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System.out.println("No Last authentication."); |
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} |
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else
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{
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this.blob = blobInString[0].getBytes(); |
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this.lastAuthentication = new Date(Long.parseLong(""+LastAuthTime[0])* 1000); |
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this.tokenExpectedDateTime = new Date(Long.parseLong(""+TokenExpectedTime[0])* 1000); |
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this.retCode = result;
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} |
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} |
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else
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{
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try
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{
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this.errorCount++;
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this.retCode = result;
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updateTokenObject(); |
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return errorCodeConversion(result);
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} |
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catch (Exception e) |
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{
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e.printStackTrace(); |
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} |
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} |
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return Constants.ERR_SUCCESS;
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} |
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/**
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* In order to perform blob synchronization, 2 token verifications shall be performed .
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* First token verification must have larger time drift windows then the second's.
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* First token verification must be executed first before execute the second.
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* Second token verification must use new password (OTP) and lesser time drift window.
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* If the returned result of first verification is successful or 0, then second verification will be executed.
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* If the returned results of both first and second verifications are successful or 0, then blobSynchronization is successful,
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* otherwise, it is failed.
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*
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*
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* @param timeDriftWindow
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* @param password
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* @return
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*/
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public int blobSynchronization(int timeDriftWindow1, String password1, int timeDriftWindow2, String password2) |
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{
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int result = blobSynchronizationTokenVerification(timeDriftWindow1, password1);
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if(result == 0) |
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{
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result = blobSynchronizationTokenVerification(timeDriftWindow2, password2); |
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if(result == 0) |
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{
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this.retCode = result;
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updateTokenObject(); |
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} |
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else
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{
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try
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{
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this.errorCount++;
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this.retCode = result;
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updateTokenObject(); |
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return errorCodeConversion(result);
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} |
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catch (Exception e) |
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{
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e.printStackTrace(); |
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} |
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} |
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} |
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else
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{
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try
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{
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this.retCode = result;
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return errorCodeConversion(result);
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} |
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catch (Exception e) |
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{
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e.printStackTrace(); |
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} |
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} |
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return Constants.ERR_SUCCESS;
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} |
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/**
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* This method will be used in blobSynchronization to verify the token and blob synchronization
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*
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* @param timeDriftWindow
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* @param password
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* @return
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*/
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private int blobSynchronizationTokenVerification(int timeDriftWindow, String password) |
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{
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if(this.retCode == 0) |
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{
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int[] blobLen = new int[1]; |
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blobLen[0]=500; |
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String[] blobInString = new String[1]; |
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blobInString[0] = new String(this.blob); |
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//Time based OTP verification
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//Authentication window need to be bigger for first OTP verification.
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int result = myocra.comAuthBlob(0, 0, this.serialNumber, Constants.getAuthenticationMode(this.authMode), timeDriftWindow, 1, 100, |
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new byte[0], 0, |
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new byte[0], 0, |
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new byte[0], 0, |
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6, password,
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blobInString, blobLen); |
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this.useCount++;
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this.firstTimeUsed = new Date(); |
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this.lastTimeUsed = new Date(); |
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if(result == 0) |
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{
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this.blob = blobInString[0].getBytes(); |
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this.retCode = result;
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updateTokenObject(); |
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} |
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else
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{
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try
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{
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this.errorCount++;
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this.retCode = result;
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updateTokenObject(); |
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return errorCodeConversion(result);
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} |
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catch (Exception e) |
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{
|
| 568 |
e.printStackTrace(); |
| 569 |
} |
| 570 |
} |
| 571 |
|
| 572 |
} |
| 573 |
|
| 574 |
return Constants.ERR_SUCCESS;
|
| 575 |
} |
| 576 |
|
| 577 |
/**
|
| 578 |
* This will reset the token back to the initial state
|
| 579 |
* The blob will be regenerated with the backup blob which is initially generated when it is imported from the pskc file.
|
| 580 |
*
|
| 581 |
*/
|
| 582 |
public int resetToken() |
| 583 |
{
|
| 584 |
this.retCode = 0; |
| 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 |
} |