Trust is an important aspect of decision making for Internet applications and particularly
influences the specification of security policy, ie, who is authorized to perform actions as well …

The implementation of the smart grid (SG) and cyber-physical systems (CPS) greatly
enhances the safety, reliability, and efficiency of energy production and distribution. Smart …

In this paper, we introduce the family of UCONABC models for usage control (UCON), which
integrate Authorizations (A), oBligations (B), and Conditions (C). We call these core models …

Anonymous credential systems [8, 9, 12, 24] allow anonymous yet authenticated and
accountable transactions between users and service providers. As such, they represent a …

Trust is a fundamental concern in large-scale open distributed systems. It lies at the core of
all interactions between the entities that have to operate in such uncertain and constantly …

The performance of ad hoc networks depends on cooperation and trust among distributed
nodes. To enhance security in ad hoc networks, it is important to evaluate trustworthiness of …

We introduce the RT framework, a family of role-based trust management languages for
representing policies and credentials in distributed authorization. RT combines the strengths …

In the future, a largely invisible and ubiquitous computing infrastructure will assist people
with a variety of activities in the home and at work. The applications that will be deployed in …

The performance of distributed networks depends on collaboration among distributed
entities. To enhance security in distributed networks, such as ad hoc networks, it is important …

Wireless sensors networks are susceptible to a large number of security threats, and
because of the communication, computation and delay constraints of most applications that …