Scalable PP-1 block cipher

Authors:
  • KBKrzysztof Bucholc
    Krzysztof Bucholc
  • KCKrzysztof Chmiel
    Krzysztof Chmiel
  • AGAnna Grocholewska-Czuryło
    Anna Grocholewska-Czuryło
  • EIEwa Idzikowska
    Ewa Idzikowska
  • IJIzabela Janicka-Lipska
    Izabela Janicka-Lipska
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Abstract
Scalable PP-1 block cipher: A totally involutional, highly scalable PP-1 cipher is proposed, evaluated and discussed. Having very low memory requirements and using only simple and fast arithmetic operations, the cipher is aimed at platforms with limited resources, e.g., smartcards. At the core of the cipher's processing is a carefully designed S-box. The paper discusses in detail all aspects of PP-1 cipher design including S-box construction, permutation and round key scheduling. The quality of the PP-1 cipher is also evaluated with respect to linear cryptanalysis and other attacks. PP-1's concurrent error detection is also discussed. Some processing speed test results are given and compared with those of other ciphers.

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