%0 Journal Article
%T Applications of conic curves blind signature over Zn in E-cash<br>环Zn上圆锥曲线的盲签名在电子现金中的应用
%A WANG Biao
%A SUN Qi
%A <br>王标
%A 孙琦
%J 计算机应用
%D 2006
%I 
%X Conic analogs of blind signature based on RSA over Z_nwere presented.It could be applied in E-payment system to realize divisible E-cash.The security was based on difficulties in factorizing large integer and computing discrete logarithm on Abel group C_n(a,b).By fetching NAF in calculating the multiples of an element in a group,the amount analog was offered to facilitate their realization in E-payment system.Compared with RSA blind signature over finite field,the conic analog over Z_n greatly shortened the length of secret-key and resisted small private exponent attack.Compared with the counterparts based on elliptic curves over Z_n,the conic analog was easier to accomplish,for they not only reserved the advantages but also advanced more advantages such as convenient plaintext embedding and speedy operation.
%K RSA<br>环Zn上圆锥曲线
%K 盲签名
%K 可分电子现金
%K 标准二进制
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=831E194C147C78FAAFCC50BC7ADD1732&aid=E2EE8A98EBC37F37&yid=37904DC365DD7266&vid=96C778EE049EE47D&iid=CA4FD0336C81A37A&sid=46CB27789995047D&eid=0243CB89B89D899E&journal_id=1001-9081&journal_name=计算机应用&referenced_num=3&reference_num=14