Modelling Trust Structures for Public Key Infrastructures

  • Authors:
  • Marie Henderson;Robert Coulter;Ed Dawson;Eiji Okamoto

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ACISP '02 Proceedings of the 7th Australian Conference on Information Security and Privacy
  • Year:
  • 2002

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Abstract

The development of Public Key Infrastructures (PKIs) is highly desirable to support secure digital transactions and communications throughout existing networks. It is important to adopt a particular trust structure or PKI model at an early stage as this forms a basis for the PKI's development. Many PKI models have been proposed but use only natural language descriptions. We apply a simple formal approach to describe the essential factors of a PKI model. Rule sets for some PKI models are given and can be used to distinguish and classify the different PKI models. Advantages for this approach with conglomerate PKIs, those that are built from multiple distinct PKI models, are discussed.