• DOI:10.1007/978-3-662-52993-5_4
Corpus ID: 16296315

Cryptanalysis of the Full Spritz Stream Cipher

@article{Banik2016CryptanalysisOT,
  title={Cryptanalysis of the Full Spritz Stream Cipher},
  author={S. Banik and T. Isobe},
  journal={IACR Cryptol. ePrint Arch.},
  year={2016},
  volume={2016},
  pages={92}
}

S. Banik, T. Isobe

Published 2016

Computer Science

IACR Cryptol. ePrint Arch.

Spritz is a stream cipher proposed by Rivest and Schuldt at the rump session of CRYPTO 2014. It is intended to be a replacement of the popular RC4 stream cipher. In this paper we propose distinguishing attacks on the full Spritz, based on a short-term bias in the first two bytes of a keystream and a long-term bias in the first two bytes of every cycle of N keystream bytes, where N is the size of the internal permutation. Our attacks are able to distinguish a keystream of the full Spritz from a… CONTINUE READING

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