Funding for this research was provided by:
National Natural Science Foundation of China (61772150)
National Cryptography Development Foundation of China (MMJJ20170217)
Guangxi Key Research and Development Program (AB17195025)
open project of Guangxi Key Lab. of crypto, and Info. Security (GCIS201622)
GUET Excellent Graduate Thesis Program (16YJPYSS23)
Article History
First Online: 20 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest with any individual or organization.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.