摘要
对于一个证实数字签名,要确认其有效性,必须由第三方证实者来完成。针对一个基于DSA和RSA的证实数字签名方案所存在的安全缺陷进行了研究,提出了改进的确认与否认协议,从而使该方案真正成为安全和高效的方案。
Determining the validity of a confirmer signature must be performed by a designated confirmer. After researching on the disfigurement of security in a confirmer signature scheme based on DSA and RSA,this paper puts forward an improved protocol of confirmation and disavowal. And the protocol makes the scheme secure and high efficienct.
出处
《计算机应用与软件》
CSCD
北大核心
2006年第7期124-126,共3页
Computer Applications and Software
关键词
证实数字签名
数字签名
信息安全
Confirmer signature Digital signature Information security