PORTABLE TERMINAL SETTING METHOD

摘要

PROBLEM TO BE SOLVED: To provide high security for a portable terminal setting method which uses NFC communication functions with a portable terminal setting tag.SOLUTION: A portable setting method includes the steps of: performing authentication between a portable terminal setting tag and a portable terminal by using a terminal ID identifying the portable terminal as an authentication element; and when the authentication is successful, reading out setting information from the portable terminal setting tag and setting the portable terminal on the basis of the setting information. The terminal ID as an authentication element is encrypted using a variable encryption parameter, or the terminal ID as an authentication element is encrypted after being processed with a variable.