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Date: Fri, 24 May 2019 16:24:41 +0200
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: exact performance of supported ztex board for WPA/PSK cracking

Hi,

On Fri, May 24, 2019 at 03:52:30PM +0200, JohnyKrekan wrote:
> 1. What is the performance of a single ztex-15y board when used to crack WPA PSK password? (passwords/sec)?

Currently none since it's not one of the 7 hash types that we support on
those boards.

There's this academic paper about implementation of WPA PSK on FPGA:

https://eprint.iacr.org/2016/547

On ZTEX 1.15y, they get 87k p/s for WPA PSK.  I'm not aware of them
having ever released their designs and host code, so it's not something
you can use.

If we approached this task, we'd probably get somewhat higher
performance (up to 2x higher), but we have no such plans currently.

> 2. Is it possible to conect such device to a notebook using some kind of USB rack?

Yes.  For one or a few devices, you just connect them directly to the
laptop's USB ports.  For more than just a few, you need hub(s).  Either
way, you also need 12V DC power adapters, but that's cheap and easy.

> I have found some devices

Where?  I know quite some JtR users would like to purchase those boards
now, but have difficulty finding them available for sale.  So maybe you
could help the community by sharing your source for those boards, after
you've purchased whatever quantity you might need for your own needs (if
you need one of the 7 supported hash types cracked on those boards, not
just the unsupported WPA PSK).

Thanks,

Alexander

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