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;