About the Authors

Qi Xie

qixie68@126.com (QX); tinrant@163.com (BH)

Affiliation Hangzhou Key Laboratory of Cryptography and Network Security, Hangzhou Normal University, Hangzhou, China

Bin Hu

qixie68@126.com (QX); tinrant@163.com (BH)

Affiliation Hangzhou Key Laboratory of Cryptography and Network Security, Hangzhou Normal University, Hangzhou, China

Na Dong

Affiliation Hangzhou Key Laboratory of Cryptography and Network Security, Hangzhou Normal University, Hangzhou, China

Duncan S. Wong

Affiliation Department of Computer Science, City University of Hong Kong, Kowloon, Hong Kong, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QX. Performed the experiments: QX BH. Analyzed the data: BH ND. Contributed reagents/materials/analysis tools: BH ND DSW. Wrote the paper: QX BH DSW. Designed the scheme and wrote the paper: QX DSW. Proved the authentication, security and anonymity of the proposed scheme: BH. Verified the authentication, security and anonymity of the proposed scheme in the latest version 1.85 of ProVerif: ND.