Date: Mon, 7 Jan 2013 01:39:00 +0100 From: Frank Dittrich <frank_dittrich@...mail.com> To: john-dev@...ts.openwall.com Subject: Re: Mask mode (was Password Generation on GPU) On 01/06/2013 11:53 PM, jfoug@....net wrote: > 3. elite might be much faster to do with a mask, than with rules. In this mode, a word would be read, then the elite mask generated, then the mask 'run'. This would require ability to have dynamic character sets. Right now, there us upper, lower and digit. We might need one call ?@ that is 'aA@&', ?o that is 0oO, ?s that is sS$ etc. Then p?@...sw?ord would allow elite. The nice thing about this is getting things like password, pas$word, pa$sword and pa$$word all working. Doing that with JtR's current rules is not easy (especially the middle 2 of those words). But with a mask, this is trivial. I would suggest not to mix l33t mode and mask mode. Instead, --rules and --mask could use the same character classes. L33t mode could use a separate config file, each line containing the original character, followed by possible replacements aA@4 iI!1 lL17 sS$5 This is more flexible, and allows easy adjustments. Frank
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