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A Calculus of Trust Management

Carbone, M., Nielsen, M. and Sassone, V. (2004) A Calculus of Trust Management At 24th Conference on Foundations of Software Technology and Theoretical Computer Science, FST&TCS 2004.. , pp. 161-173.

Record type: Conference or Workshop Item (Paper)

Abstract

We introduce ctm, a process calculus which embodies a notion of trust for global computing systems. In ctm each principal (location) is equipped with a policy, which determines its legal behaviour, and with a protocol, which allows interactions between principals and the flow of information from principals to policies. We elect to formalise policies using a Datalog-like logic, and to express protocols in the process algebra style. This yields an expressive calculus very suitable for the global computing scenarios, and provides a formalisation of notions such as trust evolution. For ctm we define barbed equivalences and study their possible applications.

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More information

Published date: 2004
Venue - Dates: 24th Conference on Foundations of Software Technology and Theoretical Computer Science, FST&TCS 2004., 2004-01-01
Keywords: trust management, trust in distributed systems, pi calculus, process calculi
Organisations: Web & Internet Science

Identifiers

Local EPrints ID: 262300
URI: http://eprints.soton.ac.uk/id/eprint/262300
ISBN: 3-540-24058-6
PURE UUID: 35f569a9-0794-4fd0-bcb6-0726c90cad09

Catalogue record

Date deposited: 11 Apr 2006
Last modified: 18 Jul 2017 08:52

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Contributors

Author: M. Carbone
Author: M. Nielsen
Author: V. Sassone

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