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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Information must be stored so that it is secure from accidental deletion.

必须把资料保存起来，这样才不至于无意中删除。

《牛津词典》

Clean Disk Security gives you secure file deletion, ensuring that deleted files cannot be undeleted again.

清洁磁盘安全让您安全的文件删除，以确保被删除的文件无法再被还原。

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"The ICO is clear that this information should never have been collected in the first place and the company's failure to secure its deletion as promised is a cause for concern, " the ICO said.

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