Authentication system and method using device identification information in ubiquitous environment

Abstract

An authentication system using device identification information in ubiquitous environment includes: an information reader for receiving authentication information of a user through at least one device of the user; a home gateway and an office gateway for registering the user authentication information received from the information reader, and performing service control through verification of authentication of the user; and an integrated authentication center for receiving the user authentication information from the home gateway and the office gateway by querying, in response to a request for the authentication of the user received from a specific system, and, when the respective pieces of the user authentication information are identical to each other, transmitting an authentication success message to the specific system.

Dependencies are inferred from the claim text.