Ensuring message embedding in wet paper steganography

Details Ensuring message embedding in wet paper steganography Ensuring message embedding in wet paper steganography

2011-11-09

arxiv.org/abs/1111.2301v1

IMACC 2011 7089 (2011) 244-258

Computer Science

Cryptography and Security

IMACC 2011 (2011)

Scientific paper

10.1007/978-3-642-25516-8_15

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.

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