A model for embedding and authorizing digital signatures in printed documents

Jae Il Lee, Taekyoung Kwon, Sanghoon Song, Jooseok Song

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

It is a desirable feature in a public key infrastructure (PKI) to include the signature information in a printed document for authenticity and integrity checks, in a way to bind an electronic document to the printed document. However, it is not easy to preserve the digital signature in the printed document because the digital signature is for the text code (or the whole document file), not for the text image (which can be scanned optically) in printed form. So, we propose a practical and secure method for preserving the authorized digital signatures for printed documents. We will derive a printable digital signature scheme from the Korean Certificate-based Digital Signature Algorithm (KCDSA) for secure transaction and utilize the dense two-dimensional barcode, QRcode, for printing out the signature and data in a small area within a printed document.

Original languageEnglish
Pages (from-to)465-477
Number of pages13
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume2587
Publication statusPublished - 2003 Dec 1

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Electronic document identification systems
Digital Signature
Signature
Public Key Infrastructure
Model
Certificate
Signature Scheme
Integrity
Transactions
Printing
Electronics

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science(all)

Cite this

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