On the Linear Complexity of the Power Generator

  • Authors:
  • Igor Shparlinski

  • Affiliations:
  • School of MPCE, Macquarie University, NSW 2109, Australia E-mail: igor@mpce.mq.edu.au

  • Venue:
  • Designs, Codes and Cryptography
  • Year:
  • 2001

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Abstract

We obtain a lower bound on the linear complexity of the powergenerator of pseudo-random numbers, which in some special cases is alsoknown as the RSA generator and as the Blum–Blum–Shubgenerator. In some very important cases this bound is essentially thebest possible. In particular, this implies that lattice reductionattacks on such generators are not feasible.