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Message-ID: <CAOxaVQ0A7E0bLTVf_O+5a5J6jZB9A901Je3owNH-fCkLkn_Lnw@mail.gmail.com>
Date: Tue, 19 Dec 2017 13:33:56 +0000
From: Mounir Belhniyene <mobelhniyene@...il.com>
To: Solar Designer <solar@...nwall.com>
Cc: john-users@...ts.openwall.com
Subject: Re: OpenMP
Thank you so much for your fast reply. Here is it the example of password
cracking :
ensaf@...af:~/JohnTheRipper-bleeding-jumbo/run$ ./zip2john
~/Desktop/doc.zip > ~/Desktop/doczip.hash
ver 1.0 efh 5455 efh 7875 doc.zip->doc PKZIP Encr: 2b chk, TS_chk,
cmplen=62, decmplen=50, crc=80ECEF18
ensaf@...af:~/JohnTheRipper-bleeding-jumbo/run$ ./john ~/Desktop/doczip.hash
Using default input encoding: UTF-8
Loaded 1 password hash (PKZIP [32/64])
Warning: OpenMP is disabled; a non-OpenMP build may be faster
Press 'q' or Ctrl-C to abort, almost any other key for status
On Tue, Dec 19, 2017 at 10:32 AM, Solar Designer <solar@...nwall.com> wrote:
> Hi,
>
> On Tue, Dec 19, 2017 at 09:40:07AM +0000, Mounir Belhniyene wrote:
> > I want to enable OpenMP at jtr-1.8.0-jumbo-1 , I've tried a lot of
> > tutorials and documentaion isn't enogh. I still get OpenMP diabled during
> > cracking password
>
> OpenMP is normally enabled automatically during build of jumbo, if
> supported by your compiler (and it almost certainly is), except for a
> subset of "formats" where it's either not supported by JtR or is so
> inefficient that we choose to disable it by default.
>
> Can you show an example (copy & paste from your terminal) of OpenMP
> staying disabled during cracking? Starting with the "john" command line
> and ending with a status line printed on a keypress - and including
> everything inbetween.
>
> If your actual goal is to crack your passwords faster, rather than to
> enable OpenMP just for the sake of it, you'd want to try "--fork=N"
> instead (where N should be the number of logical CPUs in your system).
> It generally provides greater efficiency.
>
> This isn't your issue, but FYI we currently strongly recommend
> bleeding-jumbo off GitHub over the 1.8.0-jumbo-1 release, which is
> getting rather old (we ought to make a new numbered release soon).
>
> Also, you don't appear to be subscribed to john-users. You might want
> to subscribe so that you don't miss possible replies by others.
>
> Alexander
>
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