In 1999, Bao et al. proposed [5] a multi-party fair exchange protocol of electronic items with an offline trusted third party. In this protocol, a coalition including the initiator...
Suppose two entities that do not trust each other want to exchange some arbitrary data over a public channel. A fair exchange protocol ensures that both parties get what they want ...
Reliable and atomic transactions are a key to successful eBusiness interactions. Reliable messaging subsystems, such as IBM’s MQ Series, or broker-based techniques have been tra...
In this paper we consider the optimistic approach of the non-repudiation protocols. We study a non-repudiation protocol with off-line trusted third party and we keep on with the de...
An electronic cash (e-cash) scheme lets a user withdraw money from a bank and then spend it anonymously. E-cash can be used only if it can be securely and fairly exchanged for ele...