Cryptanalysis of the FLIP Family of Stream Ciphers

  title={Cryptanalysis of the FLIP Family of Stream Ciphers},
  author={S{\'e}bastien Duval and Virginie Lallemand and Yann Rotella},
  journal={IACR Cryptology ePrint Archive},
At Eurocrypt 2016, Méaux et al. proposed FLIP, a new family of stream ciphers intended for use in Fully Homomorphic Encryption systems. Unlike its competitors which either have a low initial noise that grows at each successive encryption, or a high constant noise, the FLIP family of ciphers achieves a low constant noise thanks to a new construction called filter permutator. In this paper, we present an attack on the early version of FLIP that exploits the structure of the filter function and… CONTINUE READING

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