Zip file password recovery in Linux
Sometimes, you could need to recover a password for an old encrypted zip file. To do this you can use fcrackzip. fcrackzip is a CPU bound software, so you shall take in mind that to obtain a result in a reasonable time you shall use a strong CPU, otherwise you could wait for a large amount of hours. However I have used it on my netbook (ATOM 270) and I have obtained good results. I tried fcrackzip on two encrypted zip files, the first one was encrypted with a 9 numbers password, the second one was encrypted with a 7 chars password that wasn’t in the dictionary, these are the results:
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