Date: Sat, 23 Dec 2006 20:19:03 +0300 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: Need Help with JTR's rules On Sat, Dec 23, 2006 at 03:35:25PM +0100, websiteaccess wrote: > I would like a word of 4 charaters (for example : "wolf") become > "wwoollff" There's no convenient way to do that, so we have to resort to hacks like the following four rules: <2d >1<3f} >2<4f}fD3D3D3'6 >3<5f}ffD3D3D3D3D3D5D5D6D6D6D6D6D6D6'8 for lengths up to 4 (or for the resulting candidate passwords of lengths up to 8). > I have tested (and many others) "x11d Mx21d Mx31d Mx41d" This doesn't make sense. The "x" command leaves only the extracted portion (in your case, one character in position 1), dropping the rest. Also, the "M" command only makes sense if ever followed by a "Q"; it is not intended and does not work for any other purpose. Finally, character positions are numbered from 0, not 1. Perhaps the rules syntax should be extended or re-worked in a future version of John to make it possible to operate on parts of the word, yet not drop the rest of the input word completely. -- 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 Was I helpful? Please give your feedback here: http://rate.affero.net/solar -- 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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