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Proceedings Paper

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

Paper Details

Date Published: 22 June 2004
PDF: 10 pages
Proc. SPIE 5306, Security, Steganography, and Watermarking of Multimedia Contents VI, (22 June 2004); doi: 10.1117/12.526786
Show Author Affiliations
Pedro Comesana, Univ. de Vigo (Spain)
Fernando Perez-Gonzalez, Univ. de Vigo (Spain)

Published in SPIE Proceedings Vol. 5306:
Security, Steganography, and Watermarking of Multimedia Contents VI
Edward J. Delp III; Ping W. Wong, Editor(s)

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