Date: Mon, 01 Jun 2015 03:08:27 +0200 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: Bleeding jumbo now defaults to UTF-8 On 2015-06-01 01:34, Marek Wrzosek wrote: > W dniu 01.06.2015 o 00:44, magnum pisze: >> On 2015-05-31 16:09, Marek Wrzosek wrote: >>> Let's summarize what have changed. Before defaulting to UTF-8 in >>> john.pot were plain-texts and there was possible to use many encodings >>> in one wordlist. Moreover plain-texts were known, but information about >>> human-readable form of passwords was gone. After change john can use >>> only single-encoding wordlists, stores human-readable passwords in >>> john.pot, but plain-texts are gone and one will need to repeat cracking >>> passwords using many different target encodings. Just defaulting to >>> UTF-8 have solved some issues but have created new ones. >> >> True. How often is the new defaults a problem IRL though? If you audit a >> system it will likely have just one encoding and you should have a good >> idea which is is. >> >> magnum >> > Can you guarantee that on some audited system that runs an Internet > service that is used by people from all over the world and they were > using different operating systems, they speak different languages and > still all passwords have just one encoding? It could be true today. But > was it true in the past? We're talking about defaults and common cases. For uncommon cases, you'd use non-defaults. Makes sense, doesn't it? It has been the other way round until now, and it did not make sense. > For systems with mixed encodings old jumbo would crack all encodings > using e.g. all.lst on one run. New jumbo will need several runs and all > e.g. ASCII-only passwords will be repeated. Only if you insist on the idea of a single gigantic universal wordlist. No matter how you use that beast, you'll end up suboptimal (but easy to use). Hey, no functionality was removed. Just reset john.conf to the legacy settings and temporarily use that. Do so with a separate pot file (using the -pot option) so you don't ruin the all-utf8 pot file. I'd do it differently though. magnum
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