Date: Thu, 6 Feb 2014 19:45:13 +0400 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: questions about Incremental attack On Thu, Feb 06, 2014 at 10:29:39AM +0100, JohnyKrekan wrote: > Hello, I would like to ask what mathematical principles are used in John's Incremental attack > I use John to generate potential passwords for testing WPA PSK network's security. > I have generated my own chr file from my wordlist and then use > john -i=alpha --stdout > (I replaced standard alpha with my own) > to generate those candidates which are very useful. > My questions are: > 1. What mathematical method is used to generate the chr file from the wordlist? Where could I read more about that? I'm afraid the best place is charset.c in the source tree. It does have some comments. > 2. What is the algorithm which is used to generate the potential candidates using this table? I'm afraid the best "description" is inc.c, especially inc_key_loop(). It is not commented, but it is not very complicated. Alexander
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