Proposed models for spatially-aware extensions of role-based access control (RBAC) combine the administrative and security advantages of RBAC with the dynamic nature of mobile and...
Mainly for scalability reasons, many cryptographic security protocols make use of public key cryptography and require the existence of a corresponding public key infrastructure (P...
Information security is based on access control models and cryptographic techniques. These are well established areas of research in computer security, but are not capable of supp...
GPS-enabled mobile devices are a quickly growing market and users are starting to share their location information with each other through services such as Google Latitude. Locati...
With proliferation of ubiquitous computing, digital access is facing an increasing risk since unauthorized client located at any place may intrude a local server. Location Based Ac...