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As the next generation access control, usage control models received serious academic attention and had been extended in much direction. But, as a fundamental problem, the safety analysis of UCON has not been explored enough. This paper completes the safety analysis of authorization UCON by analysis the safety problem of ongoing authorizations usage control models. First, presents a formal UCONonA...
In order to improve the data access efficiency and enhance the security in IT systems, a layered access control model with classified distributed storage in distributed environment is presented. In the model, information is stored in numbers of physical distributed storage nodes. The storage architecture is logically organized into four classes, which includes active data storage, static data storage,...
A classified distributed storage model and a layered access control model in distributed computing environment is presented in order to enhance the efficiency of data access and to protect the security of information. In classified distributed storage model, the data distributed in each physical storage spot is organized into four components which includes active data storage, static data storage,...
Role Based Access Control (RBAC) is arguably the most common access control mechanism today due to its applicability at various levels of authorization in a system. Time varying nature of access control in RBAC administered systems is often implemented through Temporal-RBAC - an extension of RBAC in the temporal domain. In this paper, we propose an initial approach towards verification of security...
The seamless combining with context-aware sensors and numerous devices and e-home server will soon become a part of our home environment in the near future. We name it as a context-aware home based on ubiquitous computing concept. This context-aware home reduces participations of users in order to realize a ubiquitous computing and automates various services. Therefore, the risk of privacy violation...
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