教务管理系统是高校教学管理的有力工具，作为一个网络化的工作平台，系统中数据的安全性问题也显得日益重要。数字签名技术保证了信息在数据传输中的完整真实和不可否认，是保障网络信息安全的重要手段。文章通过对数字签名及多重数字签名的概念、原理、分类的介绍，结合高校教务管理系统的安全需求，设计了适合的校内CA体系结构，给出多重数字签名在教务管理系统中的使用方案。同时利用Openssl、Apache、PHP等开发工具，在教务管理系统中初步实现对学生成绩的数字签名功能。%As a computerized networking platform, academic management system becomes a powerful tool in the university teaching management. At the same time, data security in the system is of great importance. Among lots of the current technical secu- rity measures, digital signature is an effective way to ensure the safety, integrity, authentic and undeniable ness in data transmission. This paper makes an analysis of the security needs of the system, offers a CA system suitable to the academic management and gives operation scenarios of multi-digital signature in the academic management system through introduction and classification of the con- cept, principle and categories of digital signature and multi-digital signature. Meanwhile, by using such development tools as Openssl, Apache, and PHP, the multi-signature will be carried out initially in the management of students' achievement in this aca-demic management system.
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