The blind Newton sensitivity attack

Pedro Comesaña; Luis Pérez-Freire; Fernando Pérez-González

doi:10.1117/12.642721

15 February 2006 The blind Newton sensitivity attack

Pedro Comesaña, Luis Pérez-Freire, Fernando Pérez-González

Proceedings Volume 6072, Security, Steganography, and Watermarking of Multimedia Contents VIII; 60720E (2006) https://doi.org/10.1117/12.642721
Event: Electronic Imaging 2006, 2006, San Jose, California, United States

Abstract

Until now, the sensitivity attack was considered as a serious threat to the robustness and security of spread spectrum-based schemes, since it provides a practical method of removing watermarks with minimum attacking distortion. Nevertheless, it had not been used to tamper other watermarking algorithms, as those which use side-information. Furthermore the sensitivity attack has never been used to obtain falsely watermarked contents, also known as forgeries. In this paper a new version of the sensitivity attack based on a general formulation is proposed; this method does not require any knowledge about the detection function nor any other system parameter, but just the binary output of the detector, thus being suitable for attacking most known watermarking methods, both for tampering watermarked signals and obtaining forgeries. The soundness of this new approach is tested by empirical results.

Citation Download Citation

Pedro Comesaña, Luis Pérez-Freire, and Fernando Pérez-González "The blind Newton sensitivity attack", Proc. SPIE 6072, Security, Steganography, and Watermarking of Multimedia Contents VIII, 60720E (15 February 2006); https://doi.org/10.1117/12.642721

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