%0 Journal Article
%T Improvement of Feng-Yuan nonrepudiable threshold proxy signature scheme<br>Feng-Yuan不可否认门限代理签名方案的改进
%A XIE Qi
%A <br>谢琪
%J 计算机应用
%D 2006
%I 
%X Feng-Yuan pointed out that Hsu et al.'s threshold proxy signature scheme lacks of undeniability,and proposed an improvement scheme with nonrepudiation.A conspiracy attack on Feng-Yuan's improvement scheme shows that their scheme suffered from forgeability,unidentifiability and deniability.Furthermore,an improved scheme was presented to remedy the security weakness of Feng-Yuan's scheme.
%K proxy signature
%K threshold proxy signature
%K conspiracy attack<br>代理签名
%K 门限代理签名
%K 合谋攻击
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=831E194C147C78FAAFCC50BC7ADD1732&aid=25B0FF8BE2A12F2A&yid=37904DC365DD7266&vid=96C778EE049EE47D&iid=DF92D298D3FF1E6E&sid=A5467BD7DE258358&eid=FDDE90F0514924E3&journal_id=1001-9081&journal_name=计算机应用&referenced_num=0&reference_num=14