Recently, Lee and Yang proposed a subliminal scheme which employs an access control in a hierarchy. In their scheme, chief users use a one-way hash function to compute their subord...
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...
Abstract—In this paper, we analyze three opportunistic multichannel MAC protocols that associate a newcoming terminal station to one of the access points available within its tra...
Abstract—Traditionally, random access protocols have been designed and studied by assuming simple models for the physical layer. We introduce a reception model that incorporates ...
: This paper describes JCCap, a protection facility for cooperating applications in the context of Java Card. It enables the control of access rights between mutually suspicious ap...