Web based data services are very popular with the average computer user. Examples of such services include Gmail.com, Yahoo Photos, Yahoo Briefcase and Amazon S3 Service. In such ...
Role-Based Access Control (RBAC) is a widely used model for expressing access control policies. In large organizations, the RBAC policy may be collectively managed by many adminis...
Amit Sasturkar, Ping Yang, Scott D. Stoller, C. R....
Database outsourcing is an important emerging trend which involves data owners delegating their data management needs to an external service provider. Since a service provider is a...
Recently, identity-based cryptographic (IBC) schemes have been considered to secure mobile ad hoc networks (MANETs) due to their efficient key management properties. However, propo...
Recent studies and publications have shown a demand for a secure method to proof someones or somenthings position via a communication channel. In this paper we present a concept a...