Home Device Authentication Method in Ubiquitous Environment

The home network is most based in our life and occupies many parts in the life. So the security at the home network is very important factor foe secure life. Moreover, device authentication supplies user convenience for the home network service user because it can replace the user authentication according to the used home network service. And the safety of the home network can be more strengthened by considering the device authentication in addition to an authentication and access control about the home network user. In this paper, we describe home device authentication which is the basic and essential element in the home network security. We propose home device authentication framework, home device registration and certificate issuing method, and home device certificate profile. Our home device certificate profile is based on the Internet X.509 certificate. And our device authentication concept can offer home network service users convenience and security.