Date: Wed, 14 Sep 2016 09:55:03 -0500 From: jfoug <jfoug@...nwall.net> To: john-users@...ts.openwall.com Subject: Re: Error: wordlist contains NULL bytes - aborting On 9/14/2016 9:49 AM, jfoug wrote: > These have a carriage return in them (the 0d). There are 3 characters > which are very hard to deal with in JtR. That is \x00 (null), \x0a > and \x0d (line feed and carriage return). Also, the ':' can be tough > in certain situations (but is not a problem for an input wordlist). > The \x0a and \x0d 'can' be handled in wordlist (using rules, external > or mask). I am not sure if john can (or ever will) be able to handle > a null byte. It may be that we can handle them with mask mode, I am > not sure. It will almost certainly never be able to handle embedded > null bytes in wordlist mode Just did a quick test in mask mode, and it looks like mask will not handle a null byte either: $ ../run/john -mask='[\x00-a]' --stdout Warning: \x00 in mask terminates the string Parsing unsuccessful, missing closing bracket
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