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Date: Sun, 8 Apr 2012 16:49:14 -0400
From: <jfoug@....net>
To: arcctgx <arcctgx@...zta.onet.pl>
Cc: john-users@...ts.openwall.com
Subject: Re: [offlist] Re: inconsistent number of cracked
hashes in dynamic_6
I have sent a reply to the email list, and a 'conversion' program was sent there also.
The binary salts are causing the problem. I would strongly recommend any hash that uses binary salt to use the
$HEX$ salt method. You 'could' get away with only changing the salts that actually require the $HEX$ type, but that would mean having to 'know' the underlying methods being used by JtR. This 'can' change over time.
If you convert to using the $HEX$ type salts, then all ambiguity goes away. NOTE, this likely was not introduced in the older john you have (the md5_gen(6) version). The $HEX$ will allow any character to be part of the salt. A : char, a \r \n \t \ even a NULL byte, i.e. true binary data.
Jim.
CC john-users
---- arcctgx <arcctgx@...zta.onet.pl> wrote:
> > Please provide me with the input files (and whatever dictionary(s) used), and the exact command switches.
>
> I'm sending you two files: hashes.txt and dictionary.txt. In
> john-1.7.8-jumbo7 this wordlist cracked 247 hashes from hashes.txt.
>
> The exact command line I used for john-1.7.9-jumbo5 was:
> john -for=dynamic_6 -w=dictionary.txt hashes.txt
>
> I'm afraid I don't have anything more to add at this point, everything
> else was described in my first email to the list. If you have any
> specific questions, just ask and I'll answer ASAP.
>
> Thank you for your time!
>
> Best regards,
> arcctgx
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