—The key idea of dynamic spectrum access (DSA) networks is to allow the secondary, unlicensed users to detect and use unused portions of the spectrum (white spaces) opportunistic...
In this paper, we propose a new efficient and secure micro-payment scheme, named e-coupons, which can provide the users the facility of delegating their spending capability to oth...
ing Application-Level Web Security David Scott Laboratory For Communications Engineering Engineering Department Trumpington Street Cambridge CB2 1PZ djs55@eng.cam.ac.uk Richard Sha...
OKWS is a toolkit for building fast and secure Web services. It provides Web developers with a small set of tools that has proved powerful enough to build complex systems with lim...
Role-based access control has been a focal area for many security researchers over the last decade. There have been a large number of models, and many rich specification language...