Date: Sat, 23 Dec 2006 19:20:27 +0100 From: websiteaccess <websiteaccess@...il.com> To: john-users@...ts.openwall.com Subject: Re: Need Help with JTR's rules On Sat, 23 Dec 2006 20:19:03 +0300, Solar Designer wrote: > 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. > In my weird brain : xNM = extract substring from position N for up to M characters wolf -> wwoollff x01d = extract letter '"w"olf' then w duplicated (duplicated with "d") = ww x11d = extract letter 'w"o"lf' then o duplicated (duplicated with "d") = oo x21d = extract letter 'wo"l"f' then l duplicated (duplicated with "d") = ll x31d = extract letter 'wol"f"' then f duplicated (duplicated with "d") = ff finally ww+oo+ll+ff = "wwoollff", but it wasn't the right thing to do. Could you show us how works your example, with clear explaination like I do ? -- 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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