Date: Sun, 15 Jan 2006 17:49:43 +0300 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: Re: JtR 1.7 release candidate On Sun, Jan 15, 2006 at 12:03:12PM +0000, Phantom wrote: > A question, why is therre no john.conf file in your win and dos builds? There's john.ini instead. john.conf is a more natural name for Unix systems, but it wouldn't work on 8.3 filesystems (old-fashioned FAT) and with DOS versions of PKUNZIP. > Did a test run on 5303 DES hashes and compared 1.7 Win-mmx with 1.7 DOS-mmx, I'd be interested in your comparing the results against those of 1.6. Of course, 1.7 will be a lot faster, but the test would be to make sure that 1.7 cracks all the same passwords that 1.6 did. > The DOS-mmx was considerably slower (tested in commandprompt windows in > XP..dunno if that affected the speed of the DOS one?) Yes, the DOS build should run a little bit faster on plain DOS. But the difference should be much smaller than what you have observed in the second test: > DOS> guesses: 205 time: 0:00:00:04 100% c/s: 8686K (default single rules) > WIN> guesses: 205 time: 0:00:00:03 100% c/s: 12891K (default single rules) This is OK, no real difference. > then ran my own -single rules afterwards: > DOS> guesses: 393 time: 0:00:09:29 100% c/s: 6479K (my single rules) > WIN> guesses: 393 time: 0:00:05:58 100% c/s: 10282K (my single rules) Perhaps you had a lot of rules (after preprocessor expansion), so the log file was being written at a fast rate and that has slowed things down for the DOS build (file accesses are a lot slower with DJGPP). How large was the log file after these runs? Can you share your custom "single crack" rules with us? If you really want to compare the performance of these builds, consider running them in "incremental" mode for some hours. Thanks, -- Alexander Peslyak <solar at openwall.com> GPG key ID: B35D3598 fp: 6429 0D7E F130 C13E C929 6447 73C3 A290 B35D 3598 http://www.openwall.com - bringing security into open computing environments
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