%0 Journal Article
%T Cryptanalysis of Two Proxy Signatures Schemes<br>两个代理签名方案的密码学分析
%A MING Yang
%A WANG Yu-Min
%A <br>明洋
%A 王育民
%J 计算机科学
%D 2006
%I 
%X Recently, Dai et al.propose a designated-receiver proxy signature scheme and a proxy signature scheme with privacy protection. In this paper, we give security analysis of the two proxy signature schemes. The schemes are all insecure against the original signer's forgery attack.
%K Proxy signature
%K Forgery attack
%K Security analysis<br>代理签名
%K 伪造攻击
%K 安全分析
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=140DCFD86092EC65&yid=37904DC365DD7266&vid=27746BCEEE58E9DC&iid=5D311CA918CA9A03&sid=1F199509C0B6C4D6&eid=28F8B56DB6BEE30E&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=6