介绍了文件完整性校验的原理，并详述了所开发的文件系统完整性校验工具的关键实现技术。

This paper introduces the principle of this technique, and describes in detail the key implementation of a file system integrity checker developed by us.

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文件系统完整性校验是一种基于主机的入侵检测技术，可以检测出入侵者对主机文件的非法修改。

File system integrity checkout is a host-based intrusion detection technique which can check out the unauthorized modification of the host files by intruders.

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在加载文件系统之前，需要先确定其完整性。

Before mounting the file systems, you need to verify their integrity.

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