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Message-ID: <20130704200904.GA16690@openwall.com>
Date: Fri, 5 Jul 2013 00:09:04 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: cryptocurrency mining fallback in JtR (was: Parallella: scrypt)

Rafael,

On Thu, Jul 04, 2013 at 08:05:14PM +0100, Rafael Waldo Delgado Doblas wrote:
> Mmm ok for the prototype, I will add a parameter that runs only the cgminer
> code. Some thing like --runminer, it will look in the jonh.cfg for the
> cgminer parameters and will start to mine.

OK, you may implement a --mine option, which would cause john to start
mining right away.

> I cannot see why run a cracking
> session at the same time of mining, why it's suppose an advantage?

The very reason to have cryptocurrency mining integrated into JtR is to
have it invoked after a cracking session.  Suppose the person doing
password cracking wants to make use of would-be-idle resources to mine a
cryptocurrency.  With our integration, they'd achieve that by having JtR
fallback to mining after it's done cracking.  Without such integration,
they'd have to resort to some external scripting (and having the miner
use the right GPU(s) could be tricky).

Alexander

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