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Message-ID: <20050912135335.GA4196@openwall.com>
Date: Mon, 12 Sep 2005 17:53:35 +0400
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: interfacing JtR modules
On Mon, Sep 12, 2005 at 05:46:33AM -0700, ByteRage wrote:
> http://byterage.hackaholic.org/source/john-test.tar.gz
>
> Currently I've figured out how to use at least the DES
> crypt() routines (standard / bitslice DES / MMX) (see
> test.c & test2.c). But the LM, MD5, BF, AFS, BSDI
> modules I can't get to work (see test2.c, the
> cmp_exact() should return 1 for LM, MD5, BF imho)
>
> Maybe someone can see what I'm doing wrong.
You forgot to call common_init(). Adding this call makes MD5 work in
your test2.c (I did not try other hash types).
> (like why LM is working and MD5 isn't).
Didn't you just say that you couldn't get LM to work?
P.S. In order to achieve these routines' full performance, you should
invoke crypt_all() on at least min_keys_per_crypt candidate passwords
at once and use hash tables and/or cmp_all(). cmp_one() and cmp_exact()
are not meant to be performance-critical and are programmed accordingly.
--
Alexander Peslyak <solar at openwall.com>
GPG key ID: B35D3598 fp: 6429 0D7E F130 C13E C929 6447 73C3 A290 B35D 3598
http://www.openwall.com - bringing security into open computing environments
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