Date: Wed, 20 Jun 2012 04:36:45 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: Record Loaded hashes/salts with current interface Hi myrice, Sorry for the delayed response. On Thu, Jun 14, 2012 at 12:30:04AM +0800, myrice wrote: > I am trying to store loaded hashes/salts on GPU. The first thing is > how to get all of them with current interface. > > Hashes will visible to me in cmp_all(binary) and salts in set_salt() I > think. Pick hashes for example, my dilemma is benchmark, self_test and > normal crack process all call cmp_all(binary). > > In normal crack, I can record each binary I see until the second time > I see it. This will record all loaded hashes. > > But before normal crack or benchmark, there is always a self test. > After self test, the recorded hashes should be abandoned. I want to > know how to distinguish between self test and normal crack. So I can > reset the hashes I recorded in self test. I suggest that for now you introduce a global variable that is set or incremented after self-test. You'll check it from your format and drop previously-cached hashes and salts when it changes. Or you may assume that a self-test is done at least once (or even exactly once) and only start recording after this variable has changed. Maybe I should introduce a clear_cache() format method along with my other formats interface changes. It would then be called right before cracking start. Alexander
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