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Date: Mon, 3 Dec 2012 22:17:21 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: krb-ng format and krbng2john.py
On 18 Nov, 2012, at 17:49 , Dhiru Kholia <dhiru.kholia@...il.com> wrote:
> ✗ ../run/john -fo:krb5ng -t # 1 core running slower PBKDF2 code
> Benchmarking: MS Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96
> [32/64]... DONE
> Many salts: 157 c/s real, 157 c/s virtual
> Only one salt: 156 c/s real, 156 c/s virtual
>
> Note: krbng2john.py requires lxml package to be installed.
>
> magnum,
>
> I think that the input format for this format is pretty much fixed now.
I tried the known-plain trick with krb5ng but it doesn't do much here, only some 2% gain compared to the 60% boost for rc4-hmac mskrb5. With an OpenCL implementation it's probably not worth it at all. So I won't commit it, it's better to have text book code for now. Hm, or maybe I can use in a more straight-forward way to just short-cut crypt_all() when possible.
magnum
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