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Date: Fri, 29 Jun 2012 13:55:27 +0200
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-dev@...ts.openwall.com
Subject: Re: For some dynamic formats on linux-x86-mmx build cracking
depends on password candidate sequence
On 06/29/2012 01:33 PM, Frank Dittrich wrote:
> $ cd test
> $ mv pw.dic pw.dic.orig
> $ LC_ALL=C tac pw.dic.orig > pw.dic
>
> $ sha1sum pw.dic.orig pw.dic
> 71e6e0bb9c766c2030730ee1effde079b9fb1222 pw.dic.orig
> ee862671a9c34fc76b863670782b3959d0319caa pw.dic
>
> $ ./jtrts.pl -q dynamic
> -------------------------------------------------------------------------------
> - JtR-TestSuite (jtrts). Version 1.12.4, June 22, 2012. By, Jim
> Fougeron & others
> - Testing: John the Ripper password cracker, ver: 1.7.9-jumbo-6
> [linux-x86-mmx]
> --------------------------------------------------------------------------------
> form=dynamic_2 guesses: 1496 time: 0:00:00:00 :
> Expected count(s) (1500) [!!!FAILED!!!]
I forgot to mention that this test used to pass for jumbo-6.
All affected formats use a sequence of either
md5(md5($p))
or
md5(md4($p))
For the new clang target, I get the same problem, just fewer guesses
than for mmx.
$ ./jtrts.pl dynamic -q
-------------------------------------------------------------------------------
- JtR-TestSuite (jtrts). Version 1.12.4, June 22, 2012. By, Jim
Fougeron & others
- Testing: John the Ripper password cracker, ver: 1.7.9-jumbo-6
[linux-x86-clang]
--------------------------------------------------------------------------------
form=dynamic_2 guesses: 1482 time: 0:00:00:00 :
Expected count(s) (1500) [!!!FAILED!!!]
form=dynamic_2-raw guesses: 1482 time: 0:00:00:00 :
Expected count(s) (1500) [!!!FAILED!!!]
form=dynamic_3 guesses: 1482 time: 0:00:00:00 :
Expected count(s) (1500) [!!!FAILED!!!]
form=dynamic_3-raw guesses: 1482 time: 0:00:00:00 :
Expected count(s) (1500) [!!!FAILED!!!]
form=dynamic_34 guesses: 1482 time: 0:00:00:00 :
Expected count(s) (1500) [!!!FAILED!!!]
Some tests had Errors. Performed 42 tests.5 errors
Time used was 138 seconds
$ ../run/john -ses=./tst -nolog -pot=./tst.pot dynamic_2_tst.in
--wordlist=pw.dic
Loaded 1500 password hashes with no different salts (dynamic_2:
md5(md5($p)) (e107) [128/128 SSE2 intrinsics 8x4x4])
Remaining 18 password hashes with no different salts
guesses: 0 time: 0:00:00:00 DONE (Fri Jun 29 13:54:38 2012) c/s:
698160 trying: limiey - Skippin� an�*
$ ../run/john -ses=./tst -nolog -pot=./tst.pot dynamic_2_tst.in
--wordlist=pw.dic.orig
Loaded 1500 password hashes with no different salts (dynamic_2:
md5(md5($p)) (e107) [128/128 SSE2 intrinsics 8x4x4])
Remaining 18 password hashes with no different salts
let�ein (u46-dynamic_2)
swordfish (u47-dynamic_2)
limiey (u48-dynamic_2)
jus�m�size (u168-dynamic_2)
out�eft (u169-dynamic_2)
hhello__1 (u170-dynamic_2)
gobble__3 (u292-dynamic_2)
summer__3 (u293-dynamic_2)
pentium__4 (u405-dynamic_2)
PIII__4 (u406-dynamic_2)
�utle�t__1 (u407-dynamic_2)
characters__5 (u532-dynamic_2)
good to KN0W__5 (u533-dynamic_2)
asdfasfga__7 (u658-dynamic_2)
flasjkdfw__7 (u659-dynamic_2)
Sword��sh__3 (u778-dynamic_2)
�word�ish__3 (u779-dynamic_2)
HookFish__10 (u905-dynamic_2)
guesses: 18 time: 0:00:00:00 DONE (Fri Jun 29 13:55:01 2012) c/s:
47831 trying: inkjet__9 - qwerty__11
Use the "--show" option to display all of the cracked passwords reliably
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