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中文摘要：
提出了一种基于数据库数据项的同时保护保密性和完整性的设计方法.在原有数据库表的基础上,增加了一个对应的校验表,校验表中存放的是原数据项的校验项,通过在校验项中引入行标识列和行连锁技术,在保护重要或敏感数据库数据保密性的基础上,可有效保护数据被非法修改、交换、添加和删除等篡改行为.对设计进行了效果验证和安全性分析.
英文摘要：
This paper proposes a novel method that simultaneously assures data confidentiality and data integrity of data items. The basic idea of this method is adding a verification table to existing database tables, and the verification items for each original data item are stored in the verification table. By using the line label and line concatenation techniques, this method not only assures the confidentiality of a database that has important and sensitive data, but also effectively protects data from being modified, exchanged, added or deleted illegally. A formal analysis and verification of this method is provided.
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