短語詞組短語multicast data origin authentication 組播數(shù)據(jù)源認(rèn)証data origin authentication 數(shù)據(jù)原發(fā)鋻別;認(rèn)証;鋻別data origin authentication service 數(shù)據(jù)來源鋻別服務(wù) 返回 origin data authentication