When a database encryption system is designed, the design of key-managing module is a very difficult problem and must be solved firstly.
密钥管理方案的设计是数据库加密系统设计时必须首先解决的一个难题。
In this paper, the database encryption system designed has achieved the desired goals and has met thee-government system security requirements.
本文设计的数据库加密系统达到了预期设计的目标，能够满足电子政务系统的安全需求。
When the application system is authorized to access sensitive data, but was left behind by the developer, the database encryption system does not recognize this backdoor and to stop.
当应用系统被授权访问敏感数据，但是被开发者留有后门时，数据库加密系统并不能识别这种后门并加以阻止。
This paper introduces a new architecture for database encryption system and the way to implement it, gives its main module. Some security problems and performance of this system are discussed.
提出了一种数据库加密系统实现结构和方法，给出了主要的功能模块，对相关的安全问题和性能进行了讨论。
You can use IBM Database Encryption Expert to encrypt the underlying operating system data and backup files.
可以使用IBMDatabase EncryptionExpert加密底层操作系统数据和备份文件。
Moreover, the encryption method is based on the extended index mechanism of database system, and can not be implemented on all databases.
而且这种加密方式依赖于数据库系统的扩展索引机制，并不能在所有数据库上实现。
This encryption method can control the user's access to the data of the application system, and the real data for all database users are not visible, is the safest way to encrypt.
这种加密方式可以控制应用系统的用户对数据的访问权限，并且真实数据对所有数据库用户都是不可见的，是最安全的一种加密方式。
This approach is transparent to the database itself, the database management system can not feel the existence of encryption and decryption process.
这种方式对于数据库自身来说也是透明的，数据库管理系统也感觉不到加密解密过程的存在。
File encryption: the operating system file driver layer will be stored in the database file encrypted after storage on the disk.
文件加密：在操作系统文件驱动层将数据库的存储文件经过加密后存储到磁盘上。
In this dissertation, we conduct research and probing on database encryption technology and its application according to some Financial Management System.
本论文结合某财政管理系统，对数据库加密技术及其应用进行了研究探讨。
Overall encryption: the use of a comprehensive encryption system or storage encryption gateway system, the database file where the disk sector encryption.
全盘加密：采用全盘加密系统或者存储加密网关系统，将数据库文件所在的磁盘扇区进行加密。
Prior to 2003, the domestic database encryption means through the compilation of foreign security database system.
在2003年之前，国内的数据库加密手段是通过反编译国外安全数据库系统完成的。
This paper analyzes thee-government system of information security needs, does some research and discussion on the database encryption technology.
本文分析了电子政务系统的信息安全需求，对数据库加密技术进行了研究和探讨。
As the nuclear part of WEB information system, database faces the double threats coming internally and externally. Thus its encryption becomes the effective means for data protection.
数据库是基于WEB信息系统的核心组成部分，面临来自外部和内部的双重威胁，对其进行加密处理，是进行数据保护的有效手段。
As the nuclear part of WEB information system, database faces the double threats coming internally and externally. Thus its encryption becomes the effective means for data protection.
数据库是基于WEB信息系统的核心组成部分，面临来自外部和内部的双重威胁，对其进行加密处理，是进行数据保护的有效手段。
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