Date: Tue, 21 May 2019 20:58:15 +0200 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: zip2john fails to hash my zip file On 2019-05-21 10:56, Dudy Dudy wrote: > I followed your advice and could very easily produce an archive that presents the same problem. > Using 7zip's UI on Ubuntu, it's easy to create an archive with the following characteristics (mostly default values): > > * Archive format: zip > * Compression level: Normal > * Compression method: Deflate > * Dictionary size: 32 KB > * Encryption method: AES-256 > > When running zip2john on the resulting file, I get a gigantic hash (several screens) and the final line is: > ver 81.9 7z2john.zip/7z2john.py is not encrypted, or stored with non-handled compression type > > Does this help? > Is there a way to feed the original information to zip2john? Thanks, then we should be able to reproduce the problem. I opened an issue on GitHub for it: https://github.com/magnumripper/JohnTheRipper/issues/3985 magnum > ________________________________ > De : magnum <john.magnum@...hmail.com> > Envoyé : lundi 20 mai 2019 19:48 > À : john-users@...ts.openwall.com > Objet : 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 > produce). > > magnum > >
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