Date: Thu, 28 Aug 2008 03:43:44 +0400 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: generating a wordlist with john I am sorry for not commenting on this earlier. I was hoping that someone else would, and in fact I wanted to encourage that... On Wed, Aug 20, 2008 at 03:23:33PM -0400, Adam Turk wrote: > I am running into an issue with john 1.7.2 for Linux. If I use the command: > john --incremental=All --stdout=1 > I get 96 words > Shouldn't it be 95? 26 lower + 26 upper + 10 number + 33 specials = 95 96 is correct. That's one empty password (because the default definition for "[Incremental:All]" has "MinLen = 0") plus the 95 passwords that you mention. > If I use: > john --incremental=All --stdout=2 > I get 9121 words That's 1 empty password plus 95 passwords mentioned above plus 9025 two-character passwords. The same applies to your three-character example. > Am I doing something wrong? It depends on what you're trying to achieve. The --stdout option does not specify a minimum length; its parameter only tells John to truncate passwords at the specified length (and John is smart enough to not even generate longer passwords most of the time). If you want to enforce a minimum length, you need to adjust MinLen (specific to "incremental" mode), use an external filter() (along with any other cracking mode), or use an external program such as grep. -- Alexander Peslyak <solar at openwall.com> GPG key ID: 5B341F15 fp: B3FB 63F4 D7A3 BCCC 6F6E FC55 A2FC 027C 5B34 1F15 http://www.openwall.com - bringing security into open computing environments -- To unsubscribe, e-mail john-users-unsubscribe@...ts.openwall.com and reply to the automated confirmation request that will be sent to you.
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