| 摘要 |
PURPOSE: To make possible easy and safe authentication and exclusive one merchandise transaction based on it by authenticating a right user and forming a network to be used by the user without anxiety. CONSTITUTION: An object to be authenticated is provided with an area which is secret or can not be altered, and arbitrary information sent from a source authentication object or a rule previously set with the source authentication object is stored in this area temporarily or for a prescribed term. Then, return data composed of the arbitrary information, data based on this arbitrary information or data based on the rule are sent to the source authentication object. |
