john-users - Re: DumbForce init() function

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Date: Fri, 31 Jul 2009 19:59:13 +0200
From: websiteaccess <websiteaccess@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: DumbForce init() function

On Sun, 26 Jul 2009 17:17:49 +0400, Solar Designer wrote:
> On Sun, Jul 26, 2009 at 02:42:10PM +0200, websiteaccess wrote:
>>  I have modified JTR to add french charset "é" "è" etc... with your 
>> help.
>> 
>>  It works fine, but I had to rebuild the alpha, alnum, all charsets 
>> (older with not compatible with). Now my JTR is less powerfull (crack 
>> less words in same time than yours), because original charset was 
>> highly optimized. I can't rebuild the same.
> 
> Instead of rebuilding all .chr files, you could have kept a separate
> build of JtR (with the original params.h) for use in all cases except
> when you have a need to use your new .chr file with the 4 extra
> characters in it.
> 
>>  There is an other way, to keep your highly charset, and add french 
>> char.
>> 
>>  You told me :
>> -------------------------------------------
>> An even simpler approach, not requiring a recompile, would be to use the
>> DumbForce external mode sample, configuring it for your desired charset.
>> In the init() function, you'll specify:
>> 
>> 	i = 0;
>> 	c = 'a';
>> 	while (c <= 'z')
>> 		charset[i++] = c++;
>> 	charset[i++] = 'é';
>> 	charset[i++] = 'è';
>> 	charset[i++] = 'à';
>> 	charset[i++] = 'ç';
>> 
>> replacing the existing lines (many of them) defining another charset
>> after the "This defines the character set." comment.
>> -------------------------------------------


 Hi

 I was busy, can't post before.

 I have appended your file DumbForce-alpha-fr to my john.conf.

 So, what to do now ? what syntax to type --->  ./john -i:alpha 
hash.txt ? <-- is that able now to crack pass such "lélé" ?

 W.A.

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