密文长度恒定且属性直接可撤销的基于属性的加密 - Ying-Hui, ZHANG; ZHENG, Dong; LI, Jin; LI, Hui; 张应辉; 郑 东; 李 进; 李 晖 (Journal of Cryptologic Research, 2014)
Keywords: Access control; Algorithms; Cloud computing; Encryption; Policies; Upper bounds