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Message-ID: <BLU0-SMTP12651B877C33471DC6FE4D8FDE60@phx.gbl> 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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