DONGHAI TIAN1,2, JUNHUA CHEN3,+, CHANGZHEN HU1 AND JINGFENG XUE1
1Beijing Key Laboratory of Software Security Engineering Technique Beijing Institute of Technology
Beijing, 100081 P.R. China
2Shanghai Key Laboratory of Integrated Administration Technologies for Information Security
3Key Laboratory of IOT Application Technology of Universities in Yunnan Province
Yunnan Minzu University
Kunming, 650500 P.R. China
E-mail: 1{dhai; chzhoo; xuejf}@bit.edu.cn; 3chenjunhuabj@163.com