Chapter

Information Security and Privacy

Volume 1438 of the series Lecture Notes in Computer Science pp 159-168

Date:

Bounds and constructions for A3-code with multi-senders

  • Rei Safavi-NainiAffiliated withSchool of IT and CS, University of Wollongong
  • , Yejing WangAffiliated withSchool of IT and CS, University of Wollongong

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Abstract

We extend authentication codes with arbiter to the scenario where there are multiple senders and none of the participants, including the arbiter, is trusted. In this paper we derive bounds on the probability of success of attackers in impersonation and substitution attack, and give constructions of codes that satisfy the bounds with equality.