Date: Thu, 17 Sep 2015 13:38:00 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: prince mode and rules On 2015-09-17 01:39, magnum wrote: > On 2015-09-17 01:34, Frank Dittrich wrote: >> On 09/17/2015 01:17 AM, Frank Dittrich wrote: >>> Yes, you do call rpp_init() and rules_init() twice in do_prince_crack, >>> apparently once in a loop. >>> I am sure that has to be avoided. I agree, but I'm not sure how to "reset" the ctx for each word, I see no mechanism for that. I now tried copying it prior to the candidate generation and reset to the copy each time and it's 2x faster (which is still slow) but I seem to get different results (will investigate more). >> You also test whether a rule should be applied or rejected once per >> candidate: >> >> $ grep -c "Rule #1:" testprince.log >> 3084 >> >> With all that logging, it is no wonder it takes ages. The logging is bad and should be dropped, but it doesn't affect speed much. >> You should process rules_reject() just once per rule, outside of the >> loop processing the candidates. I see no mechanism for doing this (and ending up with a pruned list of rules to use). If there is one we should use it in wordlist mode too. magnum
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