A New Version of the Stream Cipher SNOW

  • Authors:
  • Patrik Ekdahl;Thomas Johansson

  • Affiliations:
  • -;-

  • Venue:
  • SAC '02 Revised Papers from the 9th Annual International Workshop on Selected Areas in Cryptography
  • Year:
  • 2002

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Abstract

In 2000, the stream cipher SNOW was proposed. A few attacks followed, indicating certain weaknesses in the design. In this paper we propose a new version of SNOW, called SNOW 2.0. The new version of the cipher does not only appear to be more secure, but its implementation is also a bit faster in software.