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A fast correlation attack on LILI-128

Författare:
Publiceringsår: 2002
Språk: Engelska
Sidor: 127-132
Publikation/Tidskrift/Serie: Information Processing Letters
Volym: 81
Nummer: 3
Dokumenttyp: Artikel
Förlag: Elsevier Science BV

Sammanfattning

In this paper we demonstrate a fast correlation attack on the recently proposed stream cipher LILI-128. The attack has complexity around 2(71) bit operations assuming a received sequence of length around 2(30) bits and a precomputation phase of complexity 2(79) table lookups. This complexity is significantly lower than 2(112), which was conjectured by the inventors of LILI-128 to be a lower bound on the complexity of any attack.

Disputation

Nyckelord

  • Mathematics and Statistics
  • keystream generator
  • fast correlation attacks LILI-128
  • cryptography
  • stream cipher

Övriga

Published
Yes
  • ISSN: 0020-0190

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