Date: Mon, 21 Nov 2005 11:29:19 +0300 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: How to use kerberos 5 patch Hi Frederic, On Sun, Nov 20, 2005 at 11:35:49AM +0100, Frederic Tronel wrote: > Benchmarking: Kerberos v5 TGT [krb5 3DES (des3-cbc-sha1)]... DONE > Raw: 14145 c/s real, 16217 c/s virtual Great. > I have taken an example ticket from the patch source code: > > $ cat ticket > $krb5$oskov$ACM.UIUC.EDU$4730d7249765615d6f3652321c4fb > 76d09fb9cd06faeb0c31b8737f9fdfcde4bd4259c31cb1dff25df39173 > ...... > 2c2265a4ffc72e9fb811da17c7f2887ccb17e2f87cd1f6c28a9afc0c08 > 3a9356a9ee2a28d2e4a01fc7ea90cc8836b8e25650c3a1409b811d0 > bad42a59aa418143291d42d7b1e6cb5b1876a4cc758d721323a762 > e943f774630385c9faa68df6f3a94422f97 There are two problems here: 1. John expects the file to have a format similar to that of /etc/passwd. At least two colon-separated fields are required: a username and a password hash. So you need to introduce "usernames" or any identifiers in their place. 2. The example TGT encodings given in the patch are almost 500 characters long each. When you put them into a file for John to use, you need to include exactly one TGT encoding per line. You must not wrap the long encodings. > $ /usr/local/bin/john ticket FWIW, when you're installing John system-wide like that, you might want to define JOHN_SYSTEMWIDE to 1 in params.h, -- or simply not install John system-wide (this is a feature primarily for use by John packages in Linux and *BSD distributions). -- Alexander Peslyak <solar at openwall.com> GPG key ID: B35D3598 fp: 6429 0D7E F130 C13E C929 6447 73C3 A290 B35D 3598 http://www.openwall.com - bringing security into open computing environments Was I helpful? Please give your feedback here: http://rate.affero.net/solar
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