Coding for Cryptographic Security Enhancement Using Stopping Sets

@article{Harrison2011CodingFC,
  title={Coding for Cryptographic Security Enhancement Using Stopping Sets},
  author={Willie K. Harrison and Jo{\~a}o Almeida and Steven W. McLaughlin and Jo{\~a}o Barros},
  journal={IEEE Transactions on Information Forensics and Security},
  year={2011},
  volume={6},
  pages={575-584}
}
In this paper, we discuss the ability of channel codes to enhance cryptographic secrecy. Toward that end, we present the secrecy metric of degrees of freedom in an attacker's knowledge of the cryptogram, which is similar to equivocation. Using this notion of secrecy, we show how a specific practical channel coding system can be used to hide information about the ciphertext, thus increasing the difficulty of cryptographic attacks. The system setup is the wiretap channel model where transmitted… CONTINUE READING

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