On the structure of inversive pseudorandom number generators

  • Authors:
  • Harald Niederreiter;Arne Winterhof

  • Affiliations:
  • Department of Mathematics, National University of Singapore, Singapore, Republic of Singapore;Johann Radon Institute for Computational and Applied Mathematics, Austrian Academy of Sciences, Linz, Austria

  • Venue:
  • AAECC'07 Proceedings of the 17th international conference on Applied algebra, algebraic algorithms and error-correcting codes
  • Year:
  • 2007

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Abstract

We analyze the lattice structure and linear complexity of a new inversive pseudorandom number generator recently introduced by Niederreiter and Rivat. In particular, we introduce a new lattice test which is much stronger than its predecessors and prove that this new generator passes it up to very high dimensions. Such a result cannot be obtained for the conventional inversive generator with currently known methods. We also analyze the behavior of two explicit inversive generators under this new test and present lower bounds on the linear complexity profile of binary sequences derived from these three inversive generators.