Autonomous mobile agent based fair exchange

Authors:
Ning Zhang;Qi Shi;Madjid Merabti;Robert Askwith
Affiliations:
Department of Computer Science, The University of Manchester, Oxford Road, Manchester, UK M13 9PL;School of Computing and Mathematical Sciences, Liverpool John Moores University, Byrom Street, Liverpool, Merseyside, UK L3 3AF;School of Computing and Mathematical Sciences, Liverpool John Moores University, Byrom Street, Liverpool, Merseyside, UK L3 3AF;School of Computing and Mathematical Sciences, Liverpool John Moores University, Byrom Street, Liverpool, Merseyside, UK L3 3AF
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking
Year:
2004

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Abstract

This paper aims to present a novel protocol suited to a new scenario of fair signature exchange in the context of autonomous mobile agent based e/m-commerce applications, to which existing fair exchange protocols do not offer an appropriate solution. The new protocol allows a party to delegate to a mobile agent the power of digitally signing a document on its behalf without disclosing its private key, offers the protection of private information related to an exchange, and provides simple off-line signature recovery with the enforcement of misbehaviour penalisation. The protocol analysis is also carried out to prove its security and fairness.