Date: Thu, 07 Mar 2013 10:44:36 +0100 From: Thomas Fétiveau <thomas.fetiveau.tech@...il.com> To: john-users@...ts.openwall.com Subject: [question] How to crack a specific ssh key pass Hi ! I've just discovered john and I am trying to retreive a pass for one of my ssh private key. I've tried the incremental modes but there are limited to 1 to 8 length passwords. The password I'm searching for has between 10 and 16 chars and is composed only of these characters: [a-z][0-1-3-5-6] (actually, even less, I'm sure there is no 'w', 'x', 'y' nor 'z' letters). I've read that searching in incremental modes for more than 8 characters doesn't make sense because it would take too long. But is it still true with the range of characters I have ? ie: about 28 different chars If it would still make sense, what should I do to make john searching for this password ? (I'm running it under windows) On a side note: I'm running under a multi-core multi-threaded win 7 64 bit and the john-opm.exe doesn't use more thread nor core nor CPU usage than john.exe (the both use just about 12,5% of my overall CPU capacity). Thanks in advance Tom
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