著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) YU S.,Defending against key abuse attacks in kp-abe enabled broadcast systems,LNCS,,Springer,2005,3621,,258-275,https://cir.nii.ac.jp/crid/1570291225087849216,