| 摘要 |
<p>A temporary ID changed every time is issued separately from authentication information issued in advance each time a user makes an access. When a temporary ID different from that of the preceding issue is issued to the user of certain authentication information, the temporary ID is updated to the latest one in order. Only information to which the latest temporary ID is added is received, and thereby only one user can transmit/receive information to/from the server according to one set of authentication information.</p> |
