Non-repudiation Mechanism of Agent-Based Mobile Payment Systems: Perspectives on Wireless PKI

  • Authors:
  • Chung-Ming Ou;C. R. Ou

  • Affiliations:
  • Department of Information Management, Kainan University, Luchu 338, Taiwan;Department of Electrical Engineering, Hsiuping Institute of Technology, Taichung 412, Taiwan

  • Venue:
  • KES-AMSTA '07 Proceedings of the 1st KES International Symposium on Agent and Multi-Agent Systems: Technologies and Applications
  • Year:
  • 2007

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Abstract

Non-repudiation of a mobile payment transaction ensures that when a buyer (B) sends some messages to a seller (S), neither B nor S can deny having participated in this transaction. An evidence of a transaction is generated by wireless PKI mechanism such that B and S cannot repudiate sending and receiving the purchase order respectively. The broker generates a mobile agent for B which carries encrypted purchase order to the seller. One trusted third party acts as a lightweight notary for evidence generation. One advantage of this agent-based non-repudiation protocol is to reduce inconvenience for mobile clients such as connection time; it causes difficulty for fair transaction for mobile payments.