A Quasi-Copysafe Security of Documents on Normal Papersheets

Abstract

A combination of 2D barcode with digital signature and normal text with polygonal watermark is proposed. Against synchronization attacks the watermark reference points are also included in the 2D barcode and secured by a digital signature whilst the 2D barcode block(s) are embedded in the text.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 2000
Accession Number
ADP010986

Entities

People

  • Gyula Mezey

Tags

Communities of Interest

  • Autonomy

DTIC Thesaurus Topics

  • Asymetric Encryption
  • Character Recognition
  • Coding
  • Communication Channels
  • Computer Access Control
  • Control Systems
  • Cryptography
  • Defense Systems
  • Detection
  • Digital Communications
  • Entry Control Systems
  • High Resolution
  • Logical Access Control
  • Printing
  • Printing Equipment
  • Security
  • Steganography

Fields of Study

  • Computer science

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Computer Vision.

Technology Areas

  • Cyber