A Secret Key Watermarking for Authentication and Integrity


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 7, No. 11, pp. 3576-3583, Nov. 2000
10.3745/KIPSTE.2000.7.11.3576,   PDF Download:

Abstract

Digital watermarks have recently been proposed for the purposes of copyright protection and authentication for multimedia contents. A watermarking technique consists of an algorithm that incorporates a watermarking structure into an image in the spatial or frequency domains. In this paper we proposed a new watermarking method for authentication and integrity of digital images and the proposed algorithm uses the MD5 hash function and a symmetric key encryption algorithm. To decide the position of embedding watermark and the bit position in the original image, the secret key is used as an input of the MD5 hash function. The simulation results show that the proposed algorithm has the advantage of difficulty to find positions of inserted watermarks, and keep the similar watermarked image quality with Wong''s method.


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Cite this article
[IEEE Style]
C. I. Woo and I. C. Shin, "A Secret Key Watermarking for Authentication and Integrity," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 7, no. 11, pp. 3576-3583, 2000. DOI: 10.3745/KIPSTE.2000.7.11.3576.

[ACM Style]
Chan Il Woo and In Chul Shin. 2000. A Secret Key Watermarking for Authentication and Integrity. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 7, 11, (2000), 3576-3583. DOI: 10.3745/KIPSTE.2000.7.11.3576.