Encryption Steps: Polygraphic Substitution and Coding

  • Friedrich L. Bauer

Abstract

Simple (monographic) substitution requires a complete decomposition of the plaintext in single characters. A polygraphic substitution allows polygraphic encryption steps, i.e., encryption steps of the form V (n)W (m) with n > 1.

Keywords

Europe Flare Hull Trench Alba 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Friedrich L. Bauer
    • 1
  1. 1.Department of Computer ScienceMunich Institute of TechnologyMunichGermany

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