The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper presents an optimistic fair exchange protocol based on public verifiable secret sharing for e-procurement applications in Peer-2-Peer networks. According to the decentralized feature of such a network, a distributed third party is designed to guarantee the fairness of exchange. Comparing to traditional trusted third party, this distributed third party is not fixed but dynamically selected...
Sensor networks hold the promise of facilitating large-scale and real-time data processing in complex environments. Data security is an extremely crucial issue for many sensor network applications. Data hiding technique, which is considered less consumptive than cryptology, is introduced to guarantee the security of the sensitive data in wireless sensor networks. However, the low invisibility of such...
Anonymity has received increasing attention in the literature due to the users' awareness of their privacy nowadays. While anonymity related issues have been extensively studied in peer-to-peer (P2P) systems, numerous concerns have been raised about the issue of providing authentic partners in P2P systems. In addition, the network authority requires controlled anonymity so that misbehaving entities...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.