Ensuring message embedding in wet paper steganography

Daniel Augot 1, 2 Morgan Barbier 1, 2 Caroline Fontaine 3, 4
1 TANC - Algorithmic number theory for cryptology
LIX - Laboratoire d'informatique de l'École polytechnique [Palaiseau], Inria Saclay - Ile de France, X - École polytechnique, CNRS - Centre National de la Recherche Scientifique : UMR7161
4 Lab-STICC_TB_CID_SFIIS
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : Syndrome coding has been proposed by Crandall in 1998 as a method to stealthily embed a message in a cover-medium through the use of bounded decoding. In 2005, Fridrich et al. introduced wet paper codes to improve the undetectability of the embedding by nabling the sender to lock some components of the cover-data, according to the nature of the cover-medium and the message. Unfortunately, almost all existing methods solving the bounded decoding syndrome problem with or without locked components have a non-zero probability to fail. In this paper, we introduce a randomized syndrome coding, which guarantees the embedding success with probability one. We analyze the parameters of this new scheme in the case of perfect codes.
Type de document :
Communication dans un congrès
Liqun Chen. IMACC 2011, Dec 2011, Oxford, United Kingdom. Springer, 7089, pp.244-258, 2011, Lecture Notes in Computer Science. 〈10.1007/978-3-642-25516-8_15〉
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Daniel Augot, Morgan Barbier, Caroline Fontaine. Ensuring message embedding in wet paper steganography. Liqun Chen. IMACC 2011, Dec 2011, Oxford, United Kingdom. Springer, 7089, pp.244-258, 2011, Lecture Notes in Computer Science. 〈10.1007/978-3-642-25516-8_15〉. 〈hal-00639551〉

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