基于圆锥曲线的XML数字签名应用研究

为实现高校教务管理系统中对学生成绩的数字签名,将基于环Zn上的圆锥曲线ElGamal型数字签名方案应用于XML数字签名领域,设计和实现了一个学生成绩XML数字签名系统.介绍了系统的数据流程、功能模块、关键算法以及新的XML签名文档结构,并对系统的安全性和运行效率等性能进行了分析和对比.实验结果表明,该系统达到了预期的功能,安全性和效率得到了进一步提高,圆锥曲线密码体制能够应用于XML数字签名领域.

Applied research of XML digital signature based on conic curve cryptosystem

To realize the digital signature to the students’ achievement in the university educational administration system,the ElGamal type digital signature scheme based on conic curve over the ring Zn is applied in the XML digital signature domain.A XML digital signature system of students’ achievement is designd and realized.The system’s data flow,functional module,essential algorithm and the structure of the new XML signature file are introduced.The system’s security and algorithm efficiency are analyzed and compared.The experimental results show that the application system has achieved the expected functionality.System’s security and operating efficiency are improved further.Conic curve cryptosystem is used in the XML digital signature domain.