机构地区: 陇东学院信息工程学院
出 处: 《计算机应用与软件》 2009年第4期260-261,共2页
摘 要: 利用椭圆曲线上Weil配对的双线性性质和Euler准测,提出一种具有前向安全性的数字签名方案。该方案能保证即使当前的签名密钥泄漏,攻击者也无法伪造前阶段的签名密钥和数字签名,并对其进行了安全性分析。 A forward-secure signature scheme is proposed using the bilinear property of the Weil pairing defined on elliptic curves and Euler' s criterion. Even if the secret key of the current period time is compromised, the attacker can not forge the secret key and digital signature of the past period time. And the security of the new signature scheme is also analysed.