Invertibility attack against watermarking based on forged algorithm and a countermeasure

  • Authors:
  • Xinpeng Zhang;Shuozhong Wang

  • Affiliations:
  • School of Commuication and Information Engineering, Shanghai University, 149 Yanchang Road, Shanghai 200072, China;School of Commuication and Information Engineering, Shanghai University, 149 Yanchang Road, Shanghai 200072, China

  • Venue:
  • Pattern Recognition Letters
  • Year:
  • 2004

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Abstract

It is shown in this paper that, even with a non-invertible watermarking algorithm or an asymmetric watermarking protocol, it is still possible to effect an invertibility attack, which relies on a forged watermarking algorithm, a counterfeit mark, and a fake key. Two examples are given to show the vulnerability of the unfortified non-invertible algorithm/ asymmetric protocol. As a solution, a secure watermarking protocol is proposed, which establishes correlation between the watermarking algorithm and the embedded mark.