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Date: Mon, 15 Aug 2011 03:53:27 +0000 (UTC)
From: Donovan <contact.newangels@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: md5(md5($p).$s) - VB
JimF <jfoug@...> writes:
>
> Format 6 and 7 are 'somewhat' the same. There are 2 stipulations put on
> format 7. The first is that the salt MUST be 3 bytes long. This stipulation
> is not part of format 6.
>
> Format 6 does work with 3 byte salt, and will also work with longer salts.
> I think the max is 25 byte salt (for length reasons). If you need a salt
> longer than 25 bytes, then you will have to build a non-sse build of john.
>
> Also, the other stipulation put on format 7, is that it REQUIRES using a
> separator char other than the ':' character. Any format in md5_gen 'can'
> use a separator other than ':'. To do that, you have to build the input
> file properly, and then use the -fie= command line switch. However, format
> 7 is written in a way that you are forced to do that.
>
> So, you can easily run all that you want, by using the format md5_gen(6).
> If you do not have any salts with the ':' in them, then you are not 'forced'
> to use the -fie switch.
>
> Jim.
>
Hi Jim,
Wow, what an super Explain & news about Long_Salts...( many brain storming with
this type of hashes since last 24H...)
Ok, i understand, so i am going to try with md5_gen(6) & see with long salts if
that run correctly...
Thanks again for your time,
Regards,
Donovan
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