\input zb-basic
\input zb-ioport
\iteman{io-port 05357626}
\itemau{Zhao, Xianfeng; Li, Ning}
\itemti{Reversible watermarking with subliminal channel.}
\itemso{Solanki, Kaushal (ed.) et al., Information hiding. 10th international workshop, IH 2008, Santa Barbara, CA, USA, May 19--21, 2008. Revised selected papers. Berlin: Springer (ISBN 978-3-540-88960-1/pbk). Lecture Notes in Computer Science 5284, 118-131 (2008).}
\itemab
Summary: With some difficulty in making more redundant capacity, only a symmetrically encrypted hash code is embedded in some reversible watermarking schemes, which makes it possible that a dishonest verifier fabricates legal contents. This paper shows that for reversible watermarking, by exploiting a subliminal channel, only a capacity of several more bytes than the length of a hash code is needed to embed a longer public-key signature. Only 4 bytes more suffices in the research. To exemplify the idea, the paper gives a variant of the R-S watermarking scheme. The variant adopts the broad-band subliminal channel in RSA-PSS signature scheme. The analysis and experiments show that with the aid of the channel it is easier to implement the reversibility, localize the tampering, and so forth.
\itemrv{~}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-540-88961-8\_9}
\end