Research Article
On Delegating Private Key Derivation in Hierarchical Identity Based Encryption and Related Encryption Privacy
Institute of Electrical Engineering, Yanshan University, 066004 Qinhuangdao, China School of Transportation, Shijiazhuang Tiedao University, 050043 Shijiazhuang, China
Jing Zhao
Collaborative Innovation Center, Shijiazhuang Tiedao University, 050043 Shijiazhuang, China
Xin-Ping Guan
Institute of Electrical Engineering, Yanshan University, 066004 Qinhuangdao, China Department of Automation, Shanghai Jiao Tong University, 200240, China