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Date: Sat, 16 Feb 2013 03:12:01 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: AIX password hashes
On 16 Feb, 2013, at 2:28 , Frank Dittrich <frank_dittrich@...mail.com> wrote:
> On 02/16/2013 12:32 AM, magnum wrote:
>> I have a feeling the "hard" part of figuring out the AIX hashes is to establish the exact encoding scheme.
>
>
> I think there is also some broken magic used. Without reverse
> engineering he algorithm, more samples might help,
>
> In addition to the ones in
> http://www.openwall.com/lists/john-users/2013/02/15/2
> we might need some more.
>
> First, a
> ./AIXtest ... | wc -l
I believe this will just produce 100,000 DES hashes with random salt.
> Then, the may be the top 100 hashes of those broken formats, but not
> just the ones which have a '...' sequence in the hash.
> ...
I think we're looking at the simplest algorithm you can imagine (iterate 2^N over pass.salt) and the only real obstacle is the encoding. I can't imagine any more test that would help. The {smd5} timings are curious though. I think they indicate it could be pretty much like normal crypt MD5.
magnum
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