School of Mathematics and Finance;
Putian University;
Putian 351100;
Fujian;
China;
Key Laboratory of Applied Mathematics;
Fujian Province University(Putian University);
Putian 351100;
Fujian;
China;
School of Mathematics and Statistics;
Minnan Normal University;
Zhangzhou 363000;
Fujian;
China;
certificateless; aggregate signature; attack; security; random oracle model; discrete logarithm problem;