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IEICE TRANSACTIONS on Fundamentals

Permutation Polynomials over Zpn and Their Randomness

Yuyin YU, Lishan KE, Zhiqiang LIN, Qiuyan WANG

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Summary :

Permutation polynomials over Zpn are useful in the design of cryptographic algorithms. In this paper, we obtain an equivalent condition for polynomial functions over Zpn to be permutations, and this equivalent condition can help us to analysis the randomness of such functions. Our results provide a method to distinguish permutation polynomials from random functions. We also introduce how to improve the randomness of permutation polynomials over Zpn.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.3 pp.913-915
Publication Date
2017/03/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.913
Type of Manuscript
LETTER
Category
Information Theory

Authors

Yuyin YU
  Guangzhou University
Lishan KE
  Guangzhou University
Zhiqiang LIN
  Guangzhou University
Qiuyan WANG
  Tianjin Polytechnic University

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