Applications to Stream Ciphers

  • Alko R. Meijer
Part of the Springer Undergraduate Texts in Mathematics and Technology book series (SUMAT)


In this chapter, after some general observations on stream ciphers and block ciphers and on the fundamental concept of entropy as defined in Information Theory, we apply our ideas of finite fields to linear feedback shift registers (LFSRs), a frequent component of stream cipher designs. We also discuss methods in which LFSRs are used, which brings us to the problems involved in stream cipher design, and then provide a survey of such design methods.


Boolean Function Linear Complexity Block Cipher Stream Cipher Output Sequence 
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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Alko R. Meijer
    • 1
  1. 1.Tokai, Cape TownSouth Africa

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