Date: Tue, 15 Nov 2016 22:20:23 +0100 From: Matlink <matlink@...link.fr> To: john-users@...ts.openwall.com Subject: restore jtr with more forks Okay thank you for your detailed answer. Now, I wonder why john is still retrying every password contained in the POT file. For example if after 24h my POT file contains 50 million of guessed passwords, john is wasting a lot of time right? Le 15/11/2016 à 12:35, Rich Rumble a écrit : > On Tue, Nov 15, 2016 at 4:21 AM, matlink <matlink@...link.fr> wrote: >> Hello, >> >> I got a situation: I ran for a day john with --fork=5 without telling >> the attack mode. So it started to crack showing 1/3 next to a percentage >> of progression. At the end of the day, every fork was at state 3/3, and >> guessed dozens of million of passwords each. >> >> I stopped john, gracefully killing it with 'q'. Every fork stopped >> normally. I wanted then to rise the number of forks, say 20. I ran john >> with a new session and a new potfile. However, after dozen of minutes >> passed, none of the 20 forks did crack a single password. >> >> Am I missing something? Should I use the same potfile? > A new session would be necessary to run more forks that you can > interrupt and start again. The POT file has lots of your previous > cracks already, if you weren't specifying a mode, John would of done > all the same work it did before, and simply not crack anything new > until the 20 forks passed the work the 5 did previously. Even if you > specified a different POT, the same passwords would of been cracked, > it would look like John was doing something, but it was the same work > as before.The POT file saves the cracked hashes and does not attempt > to crack the same hashes. John tries all hashes with each guess, so > until John surpasses where you left off with the 5 threads, you won't > have any new cracks when running the same command. If you ran a 20 > minute session with 5 forks, the 20 should of caught up in 4-5 > minutes, or 24hrs, in 6 hours, ideally. I think :) > -rich -- Matlink - Sysadmin matlink.fr Sortez couverts, chiffrez vos mails : https://café-vie-privée.fr/ XMPP/Jabber : matlink@...link.fr Clé publique PGP : 0x186BB3CA Empreinte Off-the-record : 572174BF 6983EA74 91417CA7 705ED899 DE9D05B2
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