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Message-ID: <1353736746.66170.YahooMailNeo@web181301.mail.ne1.yahoo.com> Date: Fri, 23 Nov 2012 21:59:06 -0800 (PST) From: wfdawson <wfdawson@...lsouth.net> To: "john-users@...ts.openwall.com" <john-users@...ts.openwall.com> Subject: John not "showing" cracked passwords in pot file Using the familiar "hello" raw-md5 hash... $ cat user user:5d41402abc4b2a76b9719d911017c592 $ john --show --format=raw-md5 user 0 password hashes cracked, 1 left $ grep 5d41402abc4b2a76b9719d911017c592 ~/.john/john.pot 5d41402abc4b2a76b9719d911017c592:hello Strange... I thought it was perhaps related to the size of my pot file, so I created a special pot file with only the single hash in it lifted from my legacy pot file. Same result. I tried it with the "current" test version from Gentoo, and the latest unstable from github. Same result each try. Oddly enough, show=left indicates no remaining uncracked hashes. $ cat john.pot 5d41402abc4b2a76b9719d911017c592:hello $ ./john --show --pot=john.pot --format=raw-md5 user 0 password hashes cracked, 1 left $ ./john --show=left --pot=john.pot --format=raw-md5 user $ ./john --session=user-all --pot=john.pot --format=raw-md5 user Loaded 1 password hash (Raw MD5 [128/128 SSE2 intrinsics 12x]) No password hashes left to crack (see FAQ) ver: 1.7.9-jumbo-7+unstable_omp [linux-x86-64i] It finally hit me - my legacy pot file is missing the tag that current versions of john prepend to the hash. A "proper" john.pot should have: $ cat john.pot $dynamic_0$5d41402abc4b2a76b9719d911017c592:hello $ ./john --show --pot=john.pot --format=raw-md5 user user:hello 1 password hash cracked, 0 left My pot file has 1340887 untagged hash lines out of 5132667 total. It seems that lotus5 and dominosec hashes don't get a tag, so that's a legitimate circumstance for much of my pot file. I suppose I could clean this up by moving my john.pot to another location and artificially re-crack the assembled hashes by iterating over the known hash types to rebuild the "missing" tags. Is there an easier way to get there?
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