Date: Sat, 17 Nov 2012 17:52:49 +0530 From: Dhiru Kholia <dhiru.kholia@...il.com> To: john-users@...ts.openwall.com Subject: Re: cracking passwords with a kerberos traffic dump / aes256-cts-hmac-sha1-96 (18) On Sat, Nov 17, 2012 at 3:46 PM, magnum <john.magnum@...hmail.com> wrote: > On 17 Nov, 2012, at 7:41 , Dhiru Kholia <dhiru.kholia@...il.com> wrote: >> On Sat, Nov 17, 2012 at 4:43 AM, buawig <buawig@...il.com> wrote: >>> Thank you for your help and numerous answers, looking forward to see >>> krb5-18-traffic_fmt.c ;) >> >> I have implemented such a format (attached) with the help of code >> posted on insidepro.com forum and by asking "ghudson" numerous >> questions on #krbdev . However, it is super slow due to use of PBKDF2 >> with 4096 iterations. >> Lot of optimizations can be done (get rid of nfold operations, use >> Lukas's PBKDF2 code, magnum's valid timestamp heuristics etc). I will >> port this format to OpenCL soon. > > Cool. Be sure to use the PBKDF2 from current wpapsk-opencl as it uses a split kernel. magnum, I am thinking of working on the pcap parser and MiTM downgrade attack first. I think leaving the OpenCL port to an expert (you!) is best. -- Cheers, Dhiru
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