Huma should be Linum usitatissimum, not Sesamum indicum——With special reference to the source of confusion of names for traditional Chinese medicine and the written time and author of Shên Nung Pên Ts’ao Ching;

Analysis are made on the proxy authorization schemes and proxy signature schemes in electronic business,as to the security threats of present proxy signature schemes,this paper presents a hybrid proxy signature scheme based on hyper-elliptic curves cryptosystem that can gain a wide application in computer and wireless communication network.