Security Evaluation against Differential Cryptanalysis for Block Cipher Structures

@article{Wu2011SecurityEA,
  title={Security Evaluation against Differential Cryptanalysis for Block Cipher Structures},
  author={Shengbao Wu and Mingsheng Wang},
  journal={IACR Cryptology ePrint Archive},
  year={2011},
  volume={2011},
  pages={551}
}
Estimating immunity against differential and linear cryptanalysis is essential in designing secure block ciphers. A practical measure to achieve it is to find the minimal number of active S-boxes, or a lower bound for this minimal number. In this paper, we provide a general algorithm using integer programming, which not only can estimate a good lower bound of the minimal differential active S-boxes for various block cipher structures, but also provides an efficient way to select new structures… CONTINUE READING

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