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Extracting deflated file from unencrypted zip #93
Description
Deflated plaintext can be extracted (without inflating) from encrypted archive using
bkcrack -C ./foo.zip -c bar.xml -d barxml.bin --password password
But how to do that with unencrypted archive? Trying same with --password '' gives me
Zip error: entry "bar.xml" is not encrypted.
This route would potentially allow for identifying used deflate algorithm and parameters like compression level - assuming settings were the same between encrypted and unencrypted archives (so one plaintext to identify encrypted zip details, and another for known inflated file, that is deflated inside encrypted archive)
Activity
kimci86 commentedon Feb 16, 2023
That is not implemented at the moment. I did that a couple of times manually with an hexadecimal editor so I agree it would be a nice feature. Thank you for the suggestion. Let's leave this issue open to remember it.