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Date: Fri, 29 Jun 2012 00:10:30 +0200
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-dev@...ts.openwall.com
Subject: Shouldn't the TS work with a pw.dic in reversed order as well?
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:
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]
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.
The test is still running, and I probably need to repeat this with other
dictionaries as well.
Frank
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