Pseudorandom permutation

  • Authors:
  • A. De Matteis;S. Pagnutti

  • Affiliations:
  • ENEA, Divisione Fisica Applicata, Centro Ricerche Bologna, Via Don Fiammelli 2, I-40129 Bologna, Italy;ENEA, Divisione Fisica Applicata, Centro Ricerche Bologna, Via Don Fiammelli 2, I-40129 Bologna, Italy

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2002

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Abstract

A number-theoretical approach to the permutation of a sequence of objects performed by means of a linear congruential generator of pseudorandom numbers is presented. A sufficient condition is found for obtaining permutations with the property that each object definitely abandons its initial position. Since cryptography is among the possible applications, the generator performing the inverse transformation is also given.