Abstract. Recently, Wireless Local Area Network (WLAN) is used by enterprises, government, and the military, as well as small office and home offices. Although it is convenient, it...
The Session Initiation Protocol (SIP) has been used widely for Voice over IP (VoIP) service because of its potential advantages, economical efficiency and call setup simplicity. Ho...
It is now apparent that our nation’s infrastructures and essential utilities have been optimized for reliability in benign operating environments. As such, they are susceptible ...
Web services send and receive messages in XML syntax with some parts hashed, encrypted or signed, according to the WS-Security standard. In this paper we introduce a model to forma...
The fair exchange problem is key to trading electronic items in systems of mutually untrusted parties. In modern variants of such systems, each party is equipped with a security mo...