【摘要】 介绍数据库安全插件的研制背景,给出一个可以提高数据库安全性的安全插件的设计方案与实现技术。该数据库安全插件针对C类数据库管理系统的自主访问控制方法的安全缺陷,采用强制访问控制方法,根据美国国防部颁发的可信计算机系统评估标准和可信数据库管理系统解释,使C类数据库管理系统提高到B1级数据库管理系统的标准。更多还原

【Abstract】 It was presented the development background , design and implementation techniques of a database security add-on . There were some de- fects in discretionary access control , to solve these problems , the database security add-on realizea mandatory access control model, which could make datbase management system of C level having important characteristicsof B level of TCSEC (Trusted Computer System Evaluation Criteria) and TDI (Trusted Database Interpretation) .更多还原