As {TAIL ~ an application} of the present invention, the present invention is applicable to, for example, a case in which a terminal authorization certificate is issued between terminals in {HEAD ~ a wireless ad hoc communication system} 
As { TAIL ~ an application } of the present invention , the present invention is applicable to , for example , a case in which a terminal authorization certificate is issued between terminals in { HEAD ~ a wireless ad hoc communication system }
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD