john-users - suppressing potfile / minimizing writes?

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Message-ID: <CA+E3k92G3qDLcq7sJH+EKOwJj0xHREO7HFQXJDrnbSG2tUqK7Q@mail.gmail.com>
Date: Tue, 26 Aug 2025 21:22:07 -0800
From: Royce Williams <royce@...ho.org>
To: john-users@...ts.openwall.com
Subject: suppressing potfile / minimizing writes?

I would like to do the equivalent of disabling potfile writing entirely, or
write it to /dev/null. This is for various benchmarking tasks, in which I
do not want I/O write speed to affect the results.

I tried --pot=/dev/null, but john attempts to chmod the potfile prior to
running, which fails on Linux so john aborts. I then tried a FIFO to do the
equivalent, which john explicitly disallows.

How can I accomplish this?

Thanks!

-- 
Royce

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