Security of data in computer system is put forward and system frame design, function design, principle and method of core modules implement are all mentioned.

提出并实现了一种数据安全管理系统，对系统的设计目标、框架设计、功能设计以及核心模块的实现原理及方法进行了详细的论述。

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So to design the security architecture of power information system, a systematic and structural design method and corresponding computer-aided tools are necessary.

为此，需要一种系统化和结构化的设计方法以及相应的辅助工具设计电力信息系统的安全体系。

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