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A New Class of Single Cycle T-Functions

  • Jin Hong
  • Dong Hoon Lee
  • Yongjin Yeom
  • Daewan Han
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3557)

Abstract

T-function is a relatively new cryptographic building block suitable for streamciphers. It has the potential of becoming a substitute for LFSRs, and those that correspond to maximum length LFSRs are called single cycle T-functions. We present a family of single cycle T-functions, previously unknown. An attempt at building a hardware oriented streamcipher based on this new T-function is given.

Keywords

T-function single cycle streamcipher 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Jin Hong
    • 1
  • Dong Hoon Lee
    • 1
  • Yongjin Yeom
    • 1
  • Daewan Han
    • 1
  1. 1.National Security Research InstituteDaejeonKorea

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