Cryptanalysis of a hybrid authentication protocol for large mobile networks

  • Authors:
  • Qiang Tang;Chris J. Mitchell

  • Affiliations:
  • Information Security Group, Royal Holloway, University of London, Egham, Surrey TW20 0EX, UK;Information Security Group, Royal Holloway, University of London, Egham, Surrey TW20 0EX, UK

  • Venue:
  • Journal of Systems and Software
  • Year:
  • 2006

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Abstract

In this paper we analyse a hybrid authentication protocol due to Chien and Jan, designed for use in large mobile networks. The proposed protocol consists of two sub-protocols, namely the intra-domain authentication protocol and the inter-domain authentication protocol, which are used depending on whether the user and the request service are located in the same domain. We show that both sub-protocols suffer from a number of security vulnerabilities.