Patent ID: 7543141
Filing Date: 2009-06-02
Classification: H04L

Abstract:
1. A system for user authentication using infrared communication of a mobile terminal, comprising: a mobile terminal configured to generate electronic signature data for a user who requests a particular service in the form of an infrared signal to perform a step of user authentication; automated information providing means for verifying the electronic signature data provided by the mobile terminal and for allowing the requested service depending on the verification result; and certificate providing means for registering a certificate in response to a request for issuance of the certificate by the mobile terminal and for transmitting the certificate to the automated information providing means through a communication network to verify the validity of user authentication; wherein the mobile terminal includes: a certificate issuance processing module configured to generate a private and public key pair to allow the certificate providing means to issue the certificate; and a security service module for providing security service for issuance of the certificate and processing of the electronic signature data.