In energy constrained wireless sensor networks, energy conservation techniques are to be applied in order to maximize the system lifetime. We tackle the problem of increasing netw...
A multi-party contract signing protocol allows a set of participants to exchange messages with each other with a view to arriving in a state in which each of them has a pre-agreed...
In this paper, a practical electronic-payment (epayment) protocol is presented for use over the internet. The protocol applies the principle of true fair-exchange to the process o...
This paper studies a new problem called fair identification: given two parties, how should they identify each other in a fair manner. More precisely, if both parties are honest the...