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For reasons I won't get into, I want to at least try to crack some encrypted zip files on my computer. No problem, I thought, I'll simply install fcrackzip (through synaptic). So I did. I tried it on one of the files, in brute-force mode. Of course, for any chance of success, I'd need patience.

But after a while, I decided to test it, simply to see how it would look like if it found a password. So I made a little nonsensical test file and encrypted it as a zip archive with the worst password I could think of at the moment - the word "fish" (without the quotation marks). I tried a brute force of passwords with up to for letters:

It found the text file inside, and told me it was testing all kinds of passwords, but the entire run didn't result in finding the password. But it must have tried "fish" during that run, so why didn't it crack the file?

Then, for a dictionary attack, I made a little text file consisting only of the word "fish", and used that:

Again, no result. Apparently, I am doing something wrong, but I have no idea what it could be. Any ideas?
08-04-2020, 10:45 PM
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