Impossible differential cryptanalysis of Piccolo lightweight block cipher

@article{Azimi2014ImpossibleDC,
  title={Impossible differential cryptanalysis of Piccolo lightweight block cipher},
  author={Seyyed Arash Azimi and Zahra Ahmadian and Javad Mohajeri and Mohammad Reza Aref},
  journal={2014 11th International ISC Conference on Information Security and Cryptology},
  year={2014},
  pages={89-94}
}
This paper analyzes the Piccolo family of lightweight block ciphers against the impossible differential cryptanalysis. A combination of some ploys such as decreasing the S-box computations, finding an appropriate propagation of differentials, utilizing hash tables and using the linearity of the key-schedule as well as disregarding subkeys of two rounds lead to 12-round and 13-round impossible differential attack on Piccolo-80 and 15-round attack on Piccolo-128. The time and data complexity of… CONTINUE READING
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