Research Article
An Efficient Fair Exchange Protocol that Enforces the Merchant to be Honest
@INPROCEEDINGS{10.1109/COLCOM.2007.4553830, author={Abdullah Alaraj and Malcolm Munro}, title={An Efficient Fair Exchange Protocol that Enforces the Merchant to be Honest}, proceedings={3rd International ICST Conference on Collaborative Computing: Networking, Applications and Worksharin}, publisher={IEEE}, proceedings_a={COLLABORATECOM}, year={2008}, month={6}, keywords={e-commerce fair exchange protocols fairness non-repudiation protocols security}, doi={10.1109/COLCOM.2007.4553830} }- Abdullah Alaraj
Malcolm Munro
Year: 2008
An Efficient Fair Exchange Protocol that Enforces the Merchant to be Honest
COLLABORATECOM
IEEE
DOI: 10.1109/COLCOM.2007.4553830
Abstract
A new optimistic fair exchange protocol between a customer (C) and a merchant (M) is presented in this paper. It makes use of Trusted Third Party (TTP) but its use is kept to minimum when disputes arise. The protocol is for exchanging a payment with a digital product such as software. A new idea, in which if the parties are willing to exchange then they are enforced to be honest, is originated in this protocol. The protocol has the following features: (1) it only comprises three messages to be exchanged between C and M in the exchange phase; (2) it guarantees strong fairness for both C and M; (3) it allows both parties to be sure of the item that they will receive from the other party before they receive it; and (4) it resolves disputes automatically online.
