Recently, Lee, Ryu and Yoo proposed a fingerprint-based remote user authentication scheme by using smart cards and biometrics. Their scheme is based on two tiers of ElGamal's...
An instance-oriented security mechanism is proposed to deal with security threats in building a general-purpose mobile agent middleware in Grid environment. The proposed solution i...
In this paper we present an authorization mechanism for a relational database. It allows defining the user privileges exact to a table row. To implement that we used the INSTEAD t...
: This paper proposes a context-aware security service providing multiple authentications and authorization from a Security Level which is decided dynamically in a context-aware en...
The per-method access control lists of standard middleware technologies allow only simple forms of access control to be expressed and enforced. Research systems based on capabilit...