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Date: Fri, 5 Mar 2021 23:22:28 +0100
From: Michał Majchrowicz <sectroyer@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Splitting mask keyspace
Okay I wanted to post some update about progress I have made with my
small distributed setup. Firstly on avx2 nodes with only physical
cores I switched to using for and results while on avx and avx2 nodes
with virtual cores (and as a result need higher fork number to reach
full power) I sticked with openmp. This allowed to for example use
node numbers much lower than actual fork number required and I was
able (for john nodes) to completely switch to --node to evenly
distribute tasks. As a result of those changes average system speed
increased by around 50%.This is just rough estimate as often faster
nodes (due to not proportional task division) had "wait" for slower
nodes to finish their part of job. Now all nodes finish in similar
eta. There are still some differences that could be addressed but I
think those were caused by openmp being not "proportional" in
comparison to fork based nodes. However now that Solar Designer fixed
this issue here:
https://github.com/openwall/john/issues/4584#issuecomment-789635195 I
will try completely switching to fork and rewrite current logic so
possible nodes will be even more "in sync" :)
On Wed, Mar 3, 2021 at 6:27 PM Michał Majchrowicz <sectroyer@...il.com> wrote:
>
> > https://null-byte.wonderhowto.com/how-to/create-custom-wordlists-for-password-cracking-using-mentalist-0183992/
> >
> > This article has in mind personal passwords, but in your case the hashes
> > can store passwords for the administrator account and they can be more
> > secure than average Joe's passwords, but it still created by a human
> > being, more tech savvy but still a human (but it can be a random password).
>
> Thanks I will take a look and check if can be adapted to my case.
>
> > Be the ball ;-)
>
> Yeah that's why I hate when site asks me to "add a number, add a..."
> where I would simply prefer let's say 14 characters long pw consisting
> of only letters :D
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