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Message-Id: <106803376-dc7a88665db07d0940cb3e682c8fc714@pmq2v.m5r2.onet> Date: Sun, 19 Jul 2015 00:57:46 +0200 From: rysic <rysic@...pl> To: "john-users@...ts.openwall.com" <john-users@...ts.openwall.com> Subject: Re: Re: Re: Re: restore difficult zip password Sure! This file contains: test6.zip:$pkzip2$1*2*3*7*1f3eb51*38a4000*9feb9743*0*61*8*9*9feb*20a6*test6.zip*$/pkzip2$:::::test6.zip W dniu 2015-07-18 21:05:38 użytkownik magnum <john.magnum@...hmail.com> napisał: > On 2015-07-18 02:56, magnum wrote: > > On 2015-07-18 01:05, rysic wrote: > >> And then I'm creating encrypted zip file (password is "asd") > >> > >> linux-kq4w:/home/kamil/john-1.8.0-jumbo-1/run # zip --encrypt > >> test6.zip ../../Pobrane/john-1.8.0-jumbo-1.tar.gz > >> Enter password: > >> Verify password: > >> adding: ../../Pobrane/john-1.8.0-jumbo-1.tar.gz (deflated 45%) > >> > >> generating hash file: > >> linux-kq4w:/home/kamil/john-1.8.0-jumbo-1/run # ./zip2john test6.zip > > >> test6.h > >> ver 14 efh 5455 efh 7875 > >> test6.zip->../../Pobrane/john-1.8.0-jumbo-1.tar.gz PKZIP Encr: 2b chk, > >> TS_chk, cmplen=32762705, decmplen=59392000, crc=9FEB9743 > >> > >> And try to crack it: > >> linux-kq4w:/home/kamil/john-1.8.0-jumbo-1/run # ./john test6.h > >> Loaded 1 password hash (PKZIP [32/64]) > >> Will run 4 OpenMP threads > >> Press 'q' or Ctrl-C to abort, almost any other key for status > >> 0g 0:00:00:08 DONE 3/3 (2015-07-18 00:46) 0g/s 9175Kp/s 9175Kc/s > >> 9175KC/s |C%|..|||| > >> Session completed > > > > What version of "zip" are you using? This looks like a bug in our pkzip > > format, and if it is, it's a really really bad one. > > At least one obscure bug was fixed since Jumbo-1, so you might want to > > try building latest code from GitHub. > > BTW could you please post the contents of that "test6.h" file? It should > be short enough you can just attach it. We might be able to reproduce > and see what went wrong. > > magnum > >
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