Date: Thu, 12 Mar 2020 11:49:55 +0100 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: What format is used to crack a vBulletin hash with a fixed 30 byte salt? magnum, On Thu, Mar 12, 2020 at 03:10:16AM +0100, magnum wrote: > $ ./john -list=subformats | grep -i vbulletin > UserFormat = dynamic_1007 type = dynamic_1007: md5(md5($p).$s) (vBulletin) > $ ./john --list=subformats | grep -F 'md5(md5($p).$s)' > Format = dynamic_6 type = dynamic_6: md5(md5($p).$s) > Format = dynamic_16 type = dynamic_16: md5(md5(md5($p).$s).$s2) > UserFormat = dynamic_1007 type = dynamic_1007: md5(md5($p).$s) (vBulletin) > UserFormat = dynamic_2006 type = dynamic_2006: md5(md5($p).$s) (PW > 55 > bytes) We should probably change the comment for dynamic_2006 from "PW > 55 bytes" to "vBulletin, PW > 55 bytes or/and salt > 23 bytes)", so that it would be caught by your first grep and so that its different salt size limit would be clear from this brief description. Will you commit that change, please? Thanks, Alexander
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