Natural language letter based visual cryptography scheme

Hsiao Ching Lin, Ching Nung Yang, Chi Sung Laih, Hui Tang Lin

研究成果: Article同行評審

12 引文 斯高帕斯(Scopus)

摘要

Naor and Shamir proposed the notion of a (k,n) visual cryptography scheme (VCS), which allows k or more stacked transparent share images to reveal a secret image. It can be used without prerequisite knowledge of cryptography or complex computations. In these schemes, no information about the secret can be obtained from fewer than k shares. Previous VCSs use black and white subpixels to create share images. In this paper, we present a letter-based VCS (LVCS) where pixels are replaced by letters for the share images. Shares can now be constructed using meaningful data as subterfuge all while carrying secret data in plain sight, and an adversary will not recognize them as containing secrets. We prove that the proposed (k,n)-LVCS satisfies contrast and security conditions and secret information may be reconstructed by any k shares but with less than k shares reveal nothing.

原文English
頁(從 - 到)318-331
頁數14
期刊Journal of Visual Communication and Image Representation
24
發行號3
DOIs
出版狀態Published - 2013 二月 8

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Media Technology
  • Computer Vision and Pattern Recognition
  • Electrical and Electronic Engineering

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