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 Qi
1,
2
, MA Jian-feng
1,
2
, XIONG Jin-bo
1,
2
, ZHANG Tao
1,
2
, LIU Xi-meng
2,
3
图1 系统模型
Fig.1 System model