Cryptanalysis of Chu's DCT based watermarking scheme

被引：5

作者：

Das, Tanmoy Kanti ^{[1
]}

Maitra, Subhamoy

Zhou, Jianying

机构：

[1] Infocomm Secur Dept, Singapore 119613, Singapore

[2] Indian Stat Inst, Appl Stat Unit, Kolkata 700108, W Bengal, India

来源：

IEEE TRANSACTIONS ON MULTIMEDIA | 2006年 / 8卷 / 03期

关键词：

cryptanalysis; digital watermarking; single copy attacks; subsampling;

D O I：

10.1109/TMM.2006.870718

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In 2003, Chu proposed an oblivious watermarking algorithm by modifying the CKLS scheme proposed by Cox, Kilian, Leighton, and Shamoon in 1997, known as the CKLS scheme. In this correspondence, we report that the modification presented by Chu is susceptible to a suitably modified attack devised by Das and Maitra in 2004. In fact, the experimental results show that Chu's scheme is even weaker than the CKLS scheme in terms of our attack.

引用

页码：629 / 632

页数：4

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