USER TERMINAL AND MANAGEMENT METHOD OF USER DATA

摘要

PURPOSE: A user information management method of a user terminal and a user terminal are provided to reinforce self-determination right and a control power of a user about exposure and use of user information, thereby safely and efficiently managing the user information. CONSTITUTION: A user terminal requests issuance of authentication certificate(S200). A certification agency issues the certificate(S210). If the user terminal requests joining the member to a web service provider, the web service provider requests information necessary for joining the member(S220,S230). A certificate generation unit generates a certificate(S240). The web service provider certifies a user through the certificate in the certificate(S260). The web service provider transmits authentication result to the user terminal(S270).