00323nas a2200121   4500000000100000000000100001008004100002260003300043100001500076700001900091700002100110245007000131       2006                            d  bSpringeraBerlin, Heidelberg1 aJen-Yi Pan1 aTzer-Long Chen1 aTzer-Shyong Chen00aA Novel Key Management and Access Control Scheme for Mobile Agent