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Date: Sat, 17 Nov 2012 17:49:58 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: cracking passwords with a kerberos traffic dump /
aes256-cts-hmac-sha1-96 (18)
On Sat, Nov 17, 2012 at 4:45 PM, buawig <buawig@...il.com> wrote:
>> I have implemented such a format (attached) with the help of code
>> posted on insidepro.com forum and by asking "ghudson" numerous
>> questions on #krbdev . However, it is super slow due to use of PBKDF2
>> with 4096 iterations.
>
> that was fast, thank you!
>
> I cloned bleeding-jumbo and copied krb-ng_fmt_plug.c into src,
> modified the Makefile (HAVE_KRB5 = -DHAVE_KRB5) and tried to build it,
> but failed (see attachment).
Modifying Makefile is not necessary. Make sure you checkout
"unstable-jumbo" branch (git checkout unstable-jumbo).
The compilation errors are strange. Can you try the attached file
(after deleting the old one)?
✗ ../run/john -fo:krb5ng -t
Benchmarking: MS Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96
[32/64]... DONE
Raw: 377 c/s real, 377 c/s virtual
I got 3X speedup by using Lukas's PBKDF2 code.
--
Cheers,
Dhiru
View attachment "krb-ng_fmt_plug.c" of type "text/x-csrc" (13925 bytes)
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