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Message-ID: <79fa5395f1deb35c74fd025215a4f90c@smtp.hushmail.com>
Date: Wed, 23 Jan 2013 18:52:31 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Min password length
On 23 Jan, 2013, at 18:43 , Frank Dittrich <frank_dittrich@...mail.com> wrote:
> On 01/23/2013 06:25 PM, magnum wrote:
>> The git versions of Jumbo has a --min-length=N option that does what you want - except that formats should also be able to default to > 0 on their own.
>>
>> The --min-length=N option will affect modes that already had such notion (ie. Incremental and Markov) and it will also affect Single and Wordlist modes in that they will drop words shorter than N (after applying rules, if applicable).
>
> Both --min-length=N and --max-length=N (and their effect on different
> cracking modes (--incremental and --markov / --wordlist and --single /
> --external) need to be documented in doc/OPTIONS.
True.
>> BTW we need some systematic testing of these new options.
>
> I knew how --min-length=N and --max-length=N work for --incremental and
> --markov (tested this in the past).
> After my last reply to Jim I tested it with --wordlist (with and without
> --rules), and was just thinking about how to test it for --single mode
> (since --single doesn't work well with --stdout).
>
> What happens (what is the expected behaviour) if --single or --wordlist
> is combined with an --external filter?
That is a jolly good question. The figures are available as new external mode variables (req_minlen and req_maxlen). But I'm afraid the rules engine (or Wordlist's dummy_rules) will drop a word even though an external mode would make it comply. We need to review this.
magnum
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