Date: Tue, 4 Dec 2012 12:26:19 +0100 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: krb-ng format and krbng2john.py On 3 Dec, 2012, at 22:17 , magnum <john.magnum@...hmail.com> wrote: > I tried the known-plain trick with krb5ng but it doesn't do much here, only some 2% gain compared to the 60% boost for rc4-hmac mskrb5. With an OpenCL implementation it's probably not worth it at all. So I won't commit it, it's better to have text book code for now. Hm, or maybe I can use in a more straight-forward way to just short-cut crypt_all() when possible. Did so, along with a number of other minor optimisations that almost don't show in benchmarking. More importantly I dropped the compile-time choice for PBKDF2 so we now always use the fast PBKDF2 for passwords up to 16 characters, and the slower function for longer passwords. magnum
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