Wireless ad hoc communication system, {HEAD ~ terminal}, method for suggesting {TAIL ~ issuance} of attribute certificate and method for requesting issuance of attribute certificate in the terminal, and program for causing the terminal to execute the method 
for suggesting
Wireless ad hoc communication system , { HEAD ~ terminal } , method for suggesting { TAIL ~ issuance } of attribute certificate and method for requesting issuance of attribute certificate in the terminal , and program for causing the terminal to execute the method
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL 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