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by emmelaich 615 days ago
And then encrypted? Not sure, the known structure of tar (or zip) can help with decryption.

[edit] ...

This is addressed in the article. In fact the zip contained a zip and this helped!

> He realized the zip file contained another zip file, and that since all he needed was the right original text for a specific part of the scrambled text, his best chance was using the first file name mentioned in the zip within the zip.