Gate elimination for linear functions and new feebly secure constructions

  • Authors:
  • Alex Davydow;Sergey I. Nikolenko

  • Affiliations:
  • St. Petersburg Academic University, St. Petersburg, Russia;Steklov Mathematical Institute, St. Petersburg, Russia

  • Venue:
  • CSR'11 Proceedings of the 6th international conference on Computer science: theory and applications
  • Year:
  • 2011

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Abstract

We consider gate elimination for linear functions and show two general forms of gate elimination that yield novel corollaries. Using these corollaries, we construct a new linear feebly secure trapdoor function that has order of security 5/4 which exceeds the previous record for linear constructions. We also give detailed proofs for nonconstructive circuit complexity bounds on linear functions.