Research Article
A Hierarchical Access Control Scheme in Cloud using HHECC
Hangzhou Institute of Service Engineering, Center for Service Engineering,Hangzhou Normal University, Wenyi Road 222, 310028 Hangzhou, Zhejiang, People�s Republic of China
Li Kuang
Hangzhou Institute of Service Engineering, Center for Service Engineering,Hangzhou Normal University, Wenyi Road 222, 310028 Hangzhou, Zhejiang, People�s Republic of China
Mingzhe Zhu
Hangzhou Institute of Service Engineering, Center for Service Engineering,Hangzhou Normal University, Wenyi Road 222, 310028 Hangzhou, Zhejiang, People�s Republic of China