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Date: Sat, 4 Aug 2012 16:11:18 -0800
From: Royce Williams <royce@...ho.org>
To: john-users@...ts.openwall.com
Subject: OS X keychain single empty/spaces result, but guessing continues?
I'm working on a Mac OS X keychain recovery. The target file was
generated with keychain2john from an unaltered login.keychain.
$ john -i=all keychain.txt
Loaded 1 password hash (Mac OS X Keychain PBKDF2-HMAC-SHA-1 3DES [32/64])
If I hit return shortly after the run starts, I get the expected
no-results-yet output:
guesses: 0 time: 0:00:00:02 0.00% c/s: 664 trying: 0100022 - spacy
... but shortly afterwards, the following appears (preceded by 17 spaces):
(login.keychain)
Such output seems similar to standard results output, but it is spaces
only (verified with cat -e and hexdump).
Once that appears, further status output indicate that one guess has succeeded:
guesses: 1 time: 0:00:00:13 0.07% (ETA: Sat Aug 4 19:49:55 2012)
c/s: 1197 trying: 151480a - 161994
The guessing continues as if more work remains -- but since there is
only one line in the file, this seems counter-intuitive.
$ wc -l keychain.txt
1 keychain.txt
>From what I've read, a truly empty keychain is unlikely, and manual
attempts to use 1 to 16 spaces do not succeed, so I'm a bit stumped.
I get the same result on multiple users from the same system. I also
get the same result on these platforms:
1.7.9-jumbo-6_omp [linux-x86-64-native]
1.7.9-jumbo-6_omp [freebsd-x86-64]
Please administer a clue-bat if I'm missing something obvious -- and
thanks for the recent keychain work.
Royce
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