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Message-ID: <bc48997ee35737090c5a721c534495e5@smtp.hushmail.com>
Date: Fri, 29 Jun 2012 00:17:34 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Shouldn't the TS work with a pw.dic in reversed order
as well?
On 2012-06-29 00:10, Frank Dittrich wrote:
> I just wanted to find out which hmac-sha1 passwords get cracked if I try
> the candidate passwords in reversed order.
>
>
> mv pw.dic pw.dic.orig
> tac pw.dic.orig > pw.dic
>
>
> But I already stumbled over
>
> form=dynamic_2 guesses: 1482 time: 0:00:00:00 :
> Expected count(s) (1500) [!!!FAILED!!!]
> Exiting on error. The pot file ./tst.pot contains the found data
> The command used to run this test was:
>
> ../run/john -ses=./tst -nolog -pot=./tst.pot dynamic_2_tst.in
> --wordlist=pw.dic 2>&1 >/dev/null
>
>
> Other formats that fail:
Interesting find. I used to do "shuf pw.dic.orig > pw.dic" for similar
adventures.
> form=dynamic_2-raw guesses: 1482 time: 0:00:00:00 :
> Expected count(s) (1500) [!!!FAILED!!!]
> .pot CHK:dynamic_2-raw guesses: 1482 time: 0:00:00:00 [PASSED]
>
> form=dynamic_3 guesses: 1482 time: 0:00:00:00 :
> Expected count(s) (1500) [!!!FAILED!!!]
> .pot CHK:dynamic_3 guesses: 1482 time: 0:00:00:00 [PASSED]
>
> form=dynamic_3-raw guesses: 1482 time: 0:00:00:00 :
> Expected count(s) (1500) [!!!FAILED!!!]
> .pot CHK:dynamic_3-raw guesses: 1482 time: 0:00:00:00 [PASSED]
>
> form=dynamic_34 guesses: 1482 time: 0:00:00:00 :
> Expected count(s) (1500) [!!!FAILED!!!]
> .pot CHK:dynamic_34 guesses: 1482 time: 0:00:00:00 [PASSED]
It's very consistent :)
> form=hmac-sha1 guesses: 730 time: 0:00:00:09 :
> Expected count(s) (1500) [!!!FAILED!!!]
> .pot CHK:hmac-sha1 guesses: 730 time: 0:00:00:01 [PASSED]
>
> So,. for hmac-sha1 at least the password count is the same if we reverse
> the order of candidates tried.
You did not pull the fix Jim authored? This problem should be long gone.
magnum
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