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Message-ID: <55346AB8.7040409@openwall.com>
Date: Mon, 20 Apr 2015 05:55:52 +0300
From: Alexander Cherepanov <ch3root@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: Advice on proposal: John the Ripper jumbo robustness
On 2015-04-18 18:10, Kai Zhao wrote:
> I am glad to show you that I have got 1200~1500 exec/s!
Nice!
> 4. Change source code (3x)
>
> 4.1 git diff
> ---------------------------------------------------------------------------
> diff --git a/src/john.c b/src/john.c
> index 0c730ff..6dc7fe8 100644
> --- a/src/john.c
> +++ b/src/john.c
> @@ -270,7 +270,8 @@ static void john_register_all(void)
> // to dynamic.
> // Since gen(27) and gen(28) are MD5 and MD5a formats, we build the
> // generic format first
> - cnt = dynamic_Register_formats(&selfs);
> + // cnt = dynamic_Register_formats(&selfs);
> + cnt = 0;
>
> john_register_one(&fmt_DES);
> john_register_one(&fmt_BSDI);
This can be done with configure:
./configure CFLAGS=-DDYNAMIC_DISABLED
> @@ -1673,6 +1674,7 @@ int main(int argc, char **argv)
> }
> #endif
> john_init(name, argc, argv);
> + return 0;
>
> /* Placed here to disregard load time. */
> #if OS_TIMER
How much speed does this change add?
Then please find where the next bottleneck is.
--
Alexander Cherepanov
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