Abstract. In this paper we present a general framework for constructing efficient multicast cryptosystems with provable security and show that a line of previous work on multicast ...
Historically, various different notions of trust can be found, each addressing particular aspects of ICT systems, e.g. trust in electronic commerce systems based on reputation and...
Multi-hop routing in wireless sensor networks (WSNs) offers little protection against deception through replaying routing information. This defect can be taken advantage of by an a...
—Constraints are an important part of role-based access control policies. The safety or security of a system is maintained by enforcing constraints that are specified in the pol...
– Virtual Private Networks (VPNs) are a popular and cost-effective means to build wide-area corporate networks, since they provide bandwidth, privacy and security for a fraction ...