Date: Fri, 31 Jul 2015 01:45:31 +0300 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: PHC: Argon2 on CPU On Thu, Jul 30, 2015 at 11:46:58PM +0200, Agnieszka Bielec wrote: > 2015-07-30 7:16 GMT+02:00 Solar Designer <solar@...nwall.com>: > > On Mon, Jul 27, 2015 at 05:23:55PM +0200, Agnieszka Bielec wrote: > >> hi, should I add function PHS() or Argon2iOpt()/Argon2dOpt() ? > > > > The latter. It means you should support the "secret", "ad", and "lanes" > > inputs. Treat them as part of salt, as far as JtR is concerned. > > but secret and ad doesn't affect speed Yes, just like password and salt do not - yet obviously we support those inputs. You may in fact exclude these extra inputs when you're merely benchmarking, but once Argon2 is finalized and the JtR format may see some actual use, those inputs need to be supported because a real-world use of Argon2 might have them specified. It is OK to wait until Argon2 is finalized before you implement this, if you prefer. Alexander
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