Bounds for Robust Metering Schemes and Their Relationship with A-code

  • Authors:
  • Wakaha Ogata;Kaoru Kurosawa

  • Affiliations:
  • -;-

  • Venue:
  • ASIACRYPT '02 Proceedings of the 8th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
  • Year:
  • 2002

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Abstract

A metering scheme allows a correct counting on the number of hits that a Website received during a certain period. In this paper, we first derive tight lower bounds on the communication complexity |Vi| (i = 1, ..., n) and the size of server's secrets |Es| for robust and perfect (k, n)-metering schemes. We next show an almost equivalence between (k, n)-metering schemes and k-multiple-use A2-codes. Finally, by using this equivalence, we derive lower bounds on |Vi| and |Es| for robust (but not necessarily perfect) (k, n)-metering schemes.