In 2003, Novikov and Kiselev proposed an authentication of the user from the remote autonomous object. In this article, we shall show that the Novikov-Kiselev scheme cannot against a man-in-the-middle attack.
—Network exchange is now widely used. However, it still cannot avoid the problems evolving from network exchange. For example. A buyer may not receive the order even if he/she makes the payment. For another example, the seller possibly get nothing even when the merchandise is sent. Some studies about the fair exchange have proposed protocols for the design… (More)