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Error correction and erasure codes for robust network steganography
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DOI：10.1016/j.sysarc.2024.103191.png)
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Abstract
En 中文
Error correction and erasure codes and steganographic channels use related methods, but are investigated separately. We detail an idea from literature for a steganographic channel in a transmission with error correction code and experimentally investigate it with respect to bandwidth, robustness and detectability. We expand this construction to provide an example of multi -level steganography, i.e., a steganographic channel within a steganographic channel. Furthermore, we investigate the advantages on bandwidth and stealthyness that reversibility of such a steganographic channel brings, together with a new proposal for a covert channel in error -corrected data.
Keywords:
Error correcting block codes
Erasure codes
Network steganography
Covert channels
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