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Accredited Certificate Service

Joint Certification Service (Formerly Known as Public Certification Service)

Service details

    • Issuance of an online ID card and e-seal as an e-signature certification service provider in accordance with the Digital Signature Act
    • Identification of e-commerce counterparties
    • Provision of e-signature, and verification of forgery and falsification of e-documents

How to use

    • Service site
      Tradesign (www.tradesign.net)
    • Registration window
      KTNET registration desk (COEX and Pangyo, Chamber of Commerce and Industry (72 branches in Korea), Public Procurement Service (12 branches in Korea)
    • Registration documents
      application, a copy of business license, a copy of applicant’s identification original copy of seal authentication certificate
    • Application process
      Tradesign (www.tradesign.net) → Input registration information and make payments → Print application → Prepare supporting documents → Submit to registration window (identification required) → Accredited certificate may be issued from Tradesign (download)

Service Benefits

    • Provides a wide-use accredited certificates that can be used conveniently for all e-transactions
    • Can be used from various types of storage methods including mobile, desktop, USB memory stick, hardware security module etc
    • The only accredited certificate authority in trade sector that issues accredited certificates for e-trade
    • Provides solutions and services specialized for e-documents (PDF etc.)
    • Provides solutions and technical support that are optimized for client’s e-transaction environment


Time Stamping Service (TSA)


Service details

    • Recording and verification of the HASH value for a specific document through a time stamping service
    • Notarization of the point of time when a specific document is created
    • Verification of forgery and falsification of a specific document, and notarization of integrity thereof


Joint Certificate-based Solutions


Service details

    • SCORE PKI (Joint Certification Solution)
      A joint certificate-based e-signature solution
    • SCORE DTI (e-Tax Invoice Solution)
      KA solution to create an e-invoice in various environments in compliance with the “e-Tax Invoice (v3.0) Standard Development Guidelines”
    • SCORE PDF (PDF e-Signature Solution)
      A solution that inserts an e-signature in a PDF document to verify forgery, falsification and integrity of the document in case of opening