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Date: Mon, 20 May 2019 20:51:24 +0000
From: Dudy Dudy <>
To: "" <>
Subject: Re: zip2john fails to hash my zip file

Thank you for the help.
So if I understand, I should first find out the exact conditions of the creation of the file.

At the time, I certainly just used the default settings of 7zip and just added a password.

You talked about the ver number that appears. Can't I go the other way around and from the ver number find the specifics of the archive?
Any ver number table somewhere?

Sent from my Samsung Galaxy smartphone.

-------- Original message --------
From: magnum <>
Date: 20/05/2019 22:49 (GMT+02:00)
Subject: Re: [john-users] zip2john fails to hash my zip file

On 2019-05-20 21:30, Solar Designer wrote:
> This is in addition to magnum's answer (which is correct and
> JtR-centric, as is most appropriate for this list, but I feel I can add
> beyond-JtR material as well).

Those additions might be correct or not in this case, I'm not sure
(anyway they are definitely good things to know).

As far as I understand, nothing in the mentioned zipinfo output confirms
it's really a pkzip-type file at all (or does it?). In fact (again I'm
not sure about anything here) off the top of my head the "minimum
software version required to extract:   5.1" tells us this is likely
beyond pkzip and more like winzip (but apparently there's no certainity
it's even that - it could be some mish-mash that only 7z is able to


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