supported by National Key Basic Research Project of China (Grant No.2011CB302400);National Natural Science Foundation of China (Grant Nos. 10971217, 60970152 and 61121062);IIE'S Research Project on Cryptography (Grant No. Y3Z0013102)
An efficient algorithm is proposed for factoring polynomials over an algebraic extension field defined by a polynomial ring modulo a maximal ideal. If the maximal ideal is given by its CrSbner basis, no extra Grbbner ...
the National Basic Research Program(973) of China (No. 2007CB31074);the National Natural Science Foundation of China (No. 90718001)
Proxy signature has drawn great concerns. However, there still remains a challenge to construct a provably secure and efficient proxy signature scheme. In this paper, we propose an efficient proxy signature scheme bas...