Title :
An attack on the Hwang-Chang-Hwang watermarking scheme
Author :
Chan, Chi-Kwong ; Cheng, L.M.
Author_Institution :
Dept. of Electron. Eng., City Univ. of Hong Kong, Hong Kong
fDate :
2/1/2000 12:00:00 AM
Abstract :
It is shown that the embedded watermark generated by a watermarking scheme based on one-way hash functions proposed by Hwang, Chang and Hwang (1999) can be effectively removed without knowing any secret parameters used for the embedding process
Keywords :
cryptography; data encapsulation; image coding; Hwang-Chang-Hwang watermarking scheme; embedded watermark; embedding; one-way hash functions; Watermarking;
Journal_Title :
Consumer Electronics, IEEE Transactions on
