A Lightweight Buyer-Seller Watermarking Protocol
Joint Authors
Source
Issue
Vol. 2008, Issue 2008 (31 Dec. 2008), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2008-06-30
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Information Technology and Computer Science
Abstract EN
The buyer-seller watermarking protocol enables a seller to successfully identify a traitor from a pirated copy, while preventing the seller from framing an innocent buyer.
Based on finite field theory and the homomorphic property of public key cryptosystems such as RSA, several buyer-seller watermarking protocols (N.
Memon and P.
W.
Wong (2001) and C.-L.
Lei et al.
(2004)) have been proposed previously.
However, those protocols require not only large computational power but also substantial network bandwidth.
In this paper, we introduce a new buyer-seller protocol that overcomes those weaknesses by managing the watermarks.
Compared with the earlier protocols, ours is n times faster in terms of computation, where n is the number of watermark elements, while incurring only O(1/lN) times communication overhead given the finite field parameter lN.
In addition, the quality of the watermarked image generated with our method is better, using the same watermark strength.
American Psychological Association (APA)
Wu, Yongdong& Pang, Hweehua. 2008. A Lightweight Buyer-Seller Watermarking Protocol. Advances in Multimedia،Vol. 2008, no. 2008, pp.1-7.
https://search.emarefa.net/detail/BIM-987684
Modern Language Association (MLA)
Wu, Yongdong& Pang, Hweehua. A Lightweight Buyer-Seller Watermarking Protocol. Advances in Multimedia No. 2008 (2008), pp.1-7.
https://search.emarefa.net/detail/BIM-987684
American Medical Association (AMA)
Wu, Yongdong& Pang, Hweehua. A Lightweight Buyer-Seller Watermarking Protocol. Advances in Multimedia. 2008. Vol. 2008, no. 2008, pp.1-7.
https://search.emarefa.net/detail/BIM-987684
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-987684