Corpus ID: 17923276

Cryptanalysis of Simpira

@article{Dobraunig2016CryptanalysisOS,
  title={Cryptanalysis of Simpira},
  author={Christoph Dobraunig and Maria Eichlseder and F. Mendel},
  journal={IACR Cryptol. ePrint Arch.},
  year={2016},
  volume={2016},
  pages={244}
}
  • Christoph Dobraunig, Maria Eichlseder, F. Mendel
  • Published 2016
  • Computer Science
  • IACR Cryptol. ePrint Arch.
  • Simpira is a recently proposed family of permutations, based on the AES round function. The design includes recommendations for using the Simpira permutations in block ciphers, hash functions, or authenticated ciphers. The security analysis is based on computer-aided bounds for the minimum number of active S-boxes. We show that the underlying assumptions of independence, and thus the derived bounds, are incorrect. For family member Simpira-4, we provide differential trails with only 40 (instead… CONTINUE READING

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