云中基于常数级密文属性基加密的访问控制机制
李琦1,2, 马建峰1,2, 熊金波1,2, 张涛1,2, 刘西蒙2,3

Attribute-based encryption based access control scheme with constant-size ciphertext in cloud computing
LI Qi1,2, MA Jian-feng1,2, XIONG Jin-bo1,2, ZHANG Tao1,2, LIU Xi-meng2,3
图1 系统模型
Fig.1 System model