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Date: Tue, 28 May 2013 22:44:11 +0200
From: magnum <john.magnum@...hmail.com>
To: john-users@...ts.openwall.com
Subject: Re: How to limit the number of guesses?

On 28 May, 2013, at 21:59 , Frank Dittrich <frank_dittrich@...mail.com> wrote:
> On 05/28/2013 08:22 PM, magnum wrote:
>> On 28 May, 2013, at 20:05 , Rafael Veras <rafaveguim@...il.com> wrote:
>>> In one of my experiments I'm comparing a custom cracker with john running
>>> in the "default order of cracking modes".
>>> 
>>> However, AutoStatus (externals, in general) seems to work only on wordlist
>>> mode.
>> 
>> There are external modes and external filters. External filters (like AutoStatus or Solar's suggested Status50G) can be used with any cracking mode. What did you try that did not work?
> 
> The first mode in a default run is single mode.
> How does AutoStatus count the number of candidates if this number
> 1. depends on user name and other information that is used to generate
> candidates

Basically, each word is counted once. If the same word/username is applicable to another user with *same* salt, it will not be hashed nor counted again. If the same word/username is applicable to another user with a *different* salt, it will be used - and counted - again in Single mode. In terms of AutoStatus this is the same situation as a dupe word in a wordlist. It will be counted again.

> 2. is not the same for every hash (due to reason #1)

This is irrelevant. It is counted as above. One name can generate 15 candidates and another might generate just one. After those two, 16 guesses are counted.

magnum

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