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Message-ID: <d743f9e70701120936t12a02f08r5f3904c8ca3f649a@mail.gmail.com>
Date: Fri, 12 Jan 2007 12:36:10 -0500
From: "Raymond Geiger" <alafiawe@...il.com>
To: john-users@...ts.openwall.com
Subject: word length rules
Greetings, JTR gurus:
I've got a password that I'm pretty darn sure is ~12 characters in length,
and attempted to set the MinLen and MaxLen parameters to 8 and 14,
respectively in john.conf. For those of you who aren't Newbs like me, you
probably
already know that won't work.
I get this message after the hash (Salt SHA1) is loaded:
quote
MaxLen =14 exceeds the compile-time of 8
There are several good reasons why you probably don't need to raise it:
-many hash types don't support passwords (or password halves) longer
than 7 or 8 characters;
- you probably don't have sufficient statistical information to generate a
charset file for lengths beyond 8;
- the limitation applies to incremental mode only
unquote
Now, I KNOW this pw is probably at least 12 characters... Does Salt SHA1
shrink it down to 8, or does it support longer passwords? Am I wasting my
time trying it with the default length parameters?
Should I run john in a different mode than incremental, or do I need to
split the hash, and if so, how do I do that?
Thanks
---------------------------------------------------------------------------------------------
"Never ascribe to malice that which can be adequately explained by stupidity
or incompetence "
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