Date: Wed, 2 Sep 2015 09:11:42 -0400 From: Rich Rumble <richrumble@...il.com> To: john-dev@...ts.openwall.com Subject: Re: plaintext truncation On Tue, Sep 1, 2015 at 1:41 PM, magnum <john.magnum@...hmail.com> wrote: > On 2015-09-01 18:31, Rich Rumble wrote: > >> On Tue, Sep 1, 2015 at 12:23 PM, magnum <john.magnum@...hmail.com> wrote: >> >> This is now implemented (3701702). The following formats got FMT_TRUNC as >>> of now: DEScrypt, bcrypt, LM, tripcode, nethalflm, netlm, PST, RACF, sapb >>> and VNC. >>> >>> Some more may need it but these should be the most important ones. >>> >>> Old-office has a 15 char limit IIRC. >> > > That rings a bell... but IIRC this only applies to some specific > version(s), not all the ones supported by our oldoffice format. Perhaps it > applies to '$oldoffice$0'? > I'm not sure how many office formats there are, but prior to 2007, 15 was the limit imposed by M$. > > That does not apply to Outlook however, it uses CRC-32 codes and I >> don't think length matters there. >> > > Apparently it truncates at 8, so it's got FMT_TRUNC already. I think it > can find a working (although not neccessarily the original) password in 30 > seconds on average, using just one core of my laptop :-) I know crc32 is quick :) but johns is not as quick as others, still I can't complain about 30 seconds, though others find "instant" collisions. -rich Content of type "text/html" skipped
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