Key distribution in Wireless Sensor Networks (WSNs) is challenging. Symmetric cryptosystems can perform it efficiently, but they often do not provide a perfect trade-off between ...
Leonardo B. Oliveira, Diego F. Aranha, Conrado Por...
In an open networking environment, a workstation usually needs to identify its legal users for providing its services. Kerberos provides an efficient approach whereby a trusted th...
—The paper first discusses motivations why taking into account location information in authentication and access control is important. The paper then surveys current approaches t...
In this work we describe a method for fully distributed authentication using public key cryptography within the Kerberos ticket framework. By distributing most of the authenticati...