Meng, Fei
Cheng, Leixiao
Wang, Mingqiang
Funding for this research was provided by:
National Cryptography Development fund (MMJJ20180210)
National Natural Science Foundation of China (61832012, 61672019)
Article History
Received: 12 August 2020
Accepted: 2 December 2020
First Online: 3 February 2021
Competing interests
: The authors declare that they have no competing interests.