摘要
VFP中有一个十分薄弱的环节 ,就是数据库表文件的保密性差 ,为了提高系统的安全性 ,本文详细分析了DBF表文件的结构特点 ,并提出了两种对表文件进行加密和解密的方法 。
One of the fairly feeble aspects in VFP is the poor secrecy of the database table-file. In order to ensure the safety of the system, the structure characteristics of DBF table-file was analyzed carefully, two ways to encode and decode the table-file were proposed, thus the rights of the illegal user was locked completely.
出处
《微机发展》
2001年第4期58-59,62,共3页
Microcomputer Development