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

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。

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The files are decrypted when they are read from the disk into memory so that the file data kept in memory is in clear format.

在将文件从磁盘读取到内存时对文件解密，因此文件数据能够以明文格式保存在内存中。

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Clear the list of downloaded files without deleting them from disk.

清除下载的文件列表而不将其从磁盘中删除。

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Clear the list of downloaded files without deleting them from disk.

清除下载的文件列表而不将其从磁盘中删除。

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