Abstract
The class of stego systems based on error correcting codes is one of the alternatives to conventional steganographic systems. In the context of code based steganography, the BCH code based stego system offers a very smart solution based on the hardness of syndrome decoding. It has been shown that syndrome decoding problem is able to resist the existing steganalysis attacks. In this paper, we introduce an attack against these systems using a new syndrome decoding method. This scheme also generates a direct estimate of the secret message bit locations by exploiting the embedding patterns. This new attack notably points out that BCH code based stego system with its original parameters do not provide sufficient security.
Published Version
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