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Date: Thu, 12 Jul 2012 13:43:35 +0800
From: myrice <qqlddg@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: Test Suite vs. GPU formats
On Thu, Jul 12, 2012 at 12:48 AM, Solar Designer <solar@...nwall.com> wrote:
> magnum, Jim, myrice, Samuele, all -
>
> magnum ran the Test Suite on bull today, on lots of formats (both CPU
> and GPU). xsha512-cuda was stuck for more than 8 hours until I killed
> it. Some others similarly did not complete soon enough and I had to
> kill them. IIRC, this applied to all of myrice's formats, plus some of
> Samuele's. In general, if a fast and saltless hash takes more than a
> minute to pass through TS, the implementation is seriously broken and
> needs to be fixed. For slow/salted hashes, we may allow a bit more
> time (like up to 10 minutes for those that are both slow and salted),
> but not a lot more.
>
> My guess is that the broken formats test many more candidate password
> slots than we have lines in the test wordlist, although even that is
> not enough of an explanation for the saltless formats - there must be
> some other shortcoming as well. This needs to be investigated.
>
> Alexander
It's strange. I remember xsha512-cuda has already passed TS before I
submited to magnum-jumbo. Even after I implemented loaded hashes/salts
on GPU, it does not stuck. I have to investigated for more.
Previously, other formats passed TS with limited password length, now
they are stuck. Yes, I will investigated on them.
Thanks
myrice
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