Home구분자Products구분자Issue Software for Servers구분자PDF-J Agent S/W

Product Outline(Summary)

e-timing VISUAL TS Agent for PDF-J issues TS on the electronic documents circulated on the business system. e-timing VISUAL TS Agent for PDF-J installed on the business system receives information of a TS (TST) from a TSA center and issues it to a PDF digital document.

Functions and Characteristics of PDF-J

  • Issues and saves TS on PDF documents

    To apply a TS onto a PDF document of the business system, e-timing VISUAL TS Agent for PDF-J installed on the business system can issue it onto a PDF digital document. The Agent receives information of a TS (TST) from a TSA center and inserts it onto a PDF document.
  • TS Verification

    It provides a function of verifying TS of PDF digital documents. For TS verification, it verifies the contents for authenticity, which shows the document has not been modified or forged, and its existence (Time-check) which proves the document existed at the time of TS issue.
  • Shows TS Info

    It shows information of TS issued on the PDF documents in detail.

    TS Info in Detail

    Data Description
    Results of TS Verification Value for the document’s authenticity
    Issued Time of TS Time of TS issued in Korean Standard Time(KST)
    Issuer Info Info on the organization that issued the TS
    TS Info Version, Serial no., Date and time generated, TS server name
    Hash Info Hash algorithm identifier, Name of hash algorithm, Value of hash, Length of hash
    Time Certificate Info Certificate Info Version, Serial no., Expiry date, Issuer, Hash algorithm, Hash value, Hash length, Value of signature, Length of signature, Signature algorithm
    Time-check Info Offset, Network delay, Time checked, Expiry date
    Time-check Policies Offset, Network delay
    TSA Certificate Into User, Issuer, Expiry date, Version, Signature algorithm, Certification path, etc.
  • Prevents Overlaps of the Stamp

    When TS is issued on a PDF document, a visual image is inserted to help with verifying the time of the document issued and its authenticity visually. Therefore, it provides a function of preventing the document from being stamped over the previous one again.
  • Options for Stamping Type(Round or Rectangular shape)

    The Agent provides the stamping function in 2 different shapes, round or rectangular. The user can choose one considering the space for the stamp on the document.
  • Options for TSA Center

    The user can select a TSA center to obtain information of a TST from, to issue a TS on the PDF document.
  • Easy Management with TS Info Embedded in the Document

    TS embedding uses a technique includes information of the TST on a certain area of the document. Apart from this method of ‘file embedded’, there are other ways, ‘file attached’, ‘file separated’, and ‘achieve.’ The two methods ‘file separated’ and ‘achieve’ have a disadvantage of verifying the document’s authenticity when any of the coupled data is lost.
  • Compatible with Various OS and Business Systems

    e-timing VISUAL TS Agent for PDF-J is programmed in Java to be run on various operating systems. It is designed to install and run on the business system easily with a simple step of linking setup.
  • Quick Processing

    No need to transfer the file to other servers for TS issue, which makes the process quick.

Structure of Business System with the Agent

System Requirements

Runtime Enironment OS Windows Server 2003/XP/7 Based Server
Unix Family(AIX, Solaris, HP-UX, Linux) Based Server
Hardware Over 1GB Hard Disk Space
1GB Memory
Software JAVA JOK 1.4 or later
Document format PDF(up to the version 1.9.0)

Client Websites

Client Website Application
e-CivilService, G4C
e-CivilService Document Management System
e-timing VISUAL TS Agent for PDF-J is currently run on G4C system
and G4C document management system.
e-CivilService System of
the National Tax Service
e-timing VISUAL TS Agent for PDF-J is installed on WAS(JEUS) of the digital library system of its own Network (Closed Network) and secures authenticity of a digital document by issuing TS onto electronic documents.As it’s a system run on a closed network from the government TSA center, TS gets issued by a Network intermediation server.
The Defense Acquisition Program Administration e-timing VISUAL TS Agent for PDF-J is installed on WAS(Weblogic) of the integrated account management system and secures authenticity of a digital document by issuing TS onto electronic documents.