[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sat, 13 Oct 2018 15:29:08 +0200
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Cc: Denis Burykin <apingis@...nwall.net>
Subject: Re: sha512crypt & Drupal 7+ password cracking on FPGA
On Mon, Jul 23, 2018 at 05:27:51PM +0200, Solar Designer wrote:
> Per Xilinx tools, this design was supposed to work at 225 MHz.
> Unfortunately, in our testing it only works at this frequency with very
> few units built into the bitstream. We don't know exactly why (maybe
> it's the power draw). With 10 units, the design works reliably for us
> at 135 MHz on many boards tested, so that's what we set as the current
> default. It also sometimes works at higher frequencies such as 160 MHz,
> but other times not. This is configurable in john.conf.
Denis has now backported some improvements from his md5crypt+phpass
design into this older sha512crypt+Drupal7 design, which let us increase
the default frequency for sha512crypt and Drupal7 from 135 to 160 MHz.
Some lucky boards also work at 170 MHz now.
Alexander
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
