MANAGEMENT SERVER AND METHOD FOR CONTROLLING DEVICE, USER TERMINAL APPARATUS AND METHOD FOR CONTROLLING DEVICE, AND USER TERMINAL APPARATUS AND CONTROL METHOD THEREOF

摘要

A universal access method performed by a mobile device includes receiving a signal from a security access point that requests authentication information from the mobile device through near field communication (NFC), selecting one of first authentication information and second authentication information corresponding to the security access point, and transferring the selected authentication information to the security access point through NFC.