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Message-ID: <20150608111113.GA12975@openwall.com>
Date: Mon, 8 Jun 2015 14:11:13 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: Kai's weekly report #6
Hi Kai,
On Mon, Jun 08, 2015 at 08:17:47AM +0800, Kai Zhao wrote:
> Accomplishments:
> 1. Fuzz generic hashes by afl, finished.
Finished? What about false positives detection?
By "generic", do you mean those implemented on host CPU?
> Fuzz generic hashes by Solar's fuzz.pl, not finished.
>
> Here is the fuzzing report on hashes.
>
> http://www.openwall.com/lists/john-dev/2015/06/07/6
>
> 2. Discuss coding style, not finished.
>
> Priorities:
> 1. Fuzz opencl hashes by afl.
OpenCL and CUDA, please. And not only by afl, but also by fuzz.pl.
> 2. Optimize Solar's fuzz.pl and fuzz generic hashes.
OK. What do you want to optimize there, though?
I think you should add false positives detection and more replacement
characters (add '*' and '#'). I wouldn't call these changes
"optimization". As to possible optimization, the use of child processes
can be improved, but frankly I have my doubts whether you'd do it well.
Feel free to try, though.
Alexander
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