椭圆曲线上的链式验证签名  

Chain Verification Signature Based on Elliptic Curve

作　　者：丁义[1] 贾晓芸[2] 

机构地区：[1]德州学院计算机系,山东德州253023 [2]北京邮电大学继续教育学院,北京100876

出　　处：《北京邮电大学学报》2009年第3期42-45,共4页Journal of Beijing University of Posts and Telecommunications

摘　　要：首先,为赋予签名验证者不同的权限,基于椭圆曲线密码算法,提出了一种链式验证签名方案.只有经过链式验证授权组中的成员依次授权之后,签名验证者才能验证签名的有效性.然后,分析了所给签名方案的安全性,链式验证授权组中的任何一个成员都没有权利验证签名的有效性;同时,该方案可以方便地增加或删除链式验证授权者,并在链式验证授权者或签名验证者泄漏子秘密时,及时进行维护.最后,分析了所提方案的运算复杂度,证明所给方案具有较高的安全性和效率.Based on elliptic curve cryptosystem, a new chain verification signature scheme is proposed, the verifier doesn＇t verify the validity of the signature until authorized in turn by members of the chain verification authorize group. Authorizers can be added or deleted conveniently. In addition, the proposed scheme can be protected in time when sub-secrets are leaked by verifiers or authorizers. Furthermore, the computing complexity of the proposed scheme is analyzed. It is more secure and efficient than that of discrete logarithm schemes.

关 键 词：链式验证签名 椭圆曲线 运算复杂度 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]