作为安全存储的应用，文中分析了“文件保险箱”和“文件安全删除工具”的设计思路，并介绍了其实现方法。

As the application this paper analysed the mentality of designing about the "file safe" and "the tool for file deletion", and introduced their implementation methods.

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最后，清单14中的代码负责安全删除解密文本文件，从而去除任何存储在磁盘上的纯文本信息。

Finally the code in Listing 14 handles the secure deletion of the decrypted text file to remove any clear text information stored on disk.

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Replace—资源库中与安全文件中的多维数据集关联的所有安全元数据将被删除，文件中的所有安全元数据将添加进来。

Replace - Any security metadata in the repository associated with the cubes in the security file will be removed, and all security metadata in the file will be added.

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