Quantifying security leaks in spread spectrum data hiding: a game-theoretic approach

Pedro Comesana; Fernando Perez-Gonzalez

doi:10.1117/12.526786

22 June 2004 Quantifying security leaks in spread spectrum data hiding: a game-theoretic approach

Pedro Comesana, Fernando Perez-Gonzalez

Author Affiliations +

Proceedings Volume 5306, Security, Steganography, and Watermarking of Multimedia Contents VI; (2004) https://doi.org/10.1117/12.526786
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

A game-theoretic approach is introduced to quantify possible information leaks in spread-spectrum data hiding schemes. Those leaks imply that the attacker knows the set-partitions and/or the pseudorandom sequence, which in most of the existing methods are key-dependent. The bit error probability is used as payoff for the game. Since a closed-form strategy is not available in the general case, several simplifications leading to near-optimal strategies are also discussed. Finally, experimental results supporting our analysis are presented.

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Pedro Comesana and Fernando Perez-Gonzalez "Quantifying security leaks in spread spectrum data hiding: a game-theoretic approach", Proc. SPIE 5306, Security, Steganography, and Watermarking of Multimedia Contents VI, (22 June 2004); https://doi.org/10.1117/12.526786

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