A joint asymmetric watermarking and image encryption scheme

G. Boato; V. Conotter; F. G. B. De Natale; C. Fontanari

doi:10.1117/12.765344

18 March 2008 A joint asymmetric watermarking and image encryption scheme

G. Boato, V. Conotter, F. G. B. De Natale, C. Fontanari

Proceedings Volume 6819, Security, Forensics, Steganography, and Watermarking of Multimedia Contents X; 68191A (2008) https://doi.org/10.1117/12.765344
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

Here we introduce a novel watermarking paradigm designed to be both asymmetric, i.e., involving a private key for embedding and a public key for detection, and commutative with a suitable encryption scheme, allowing both to cipher watermarked data and to mark encrypted data without interphering with the detection process. In order to demonstrate the effectiveness of the above principles, we present an explicit example where the watermarking part, based on elementary linear algebra, and the encryption part, exploiting a secret random permutation, are integrated in a commutative scheme.

Citation Download Citation

G. Boato, V. Conotter, F. G. B. De Natale, and C. Fontanari "A joint asymmetric watermarking and image encryption scheme", Proc. SPIE 6819, Security, Forensics, Steganography, and Watermarking of Multimedia Contents X, 68191A (18 March 2008); https://doi.org/10.1117/12.765344

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