phc-discussions - Re: [PHC] Argon2 improvement thread

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Message-ID: <CAOLP8p42p6hQ+rrzn2uEnSZJRnra-5HvvpqkWCGTFvcK2Kmj1g@mail.gmail.com>
Date: Thu, 23 Jul 2015 19:55:49 -0700
From: Bill Cox <waywardgeek@...il.com>
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Re: [PHC] Argon2 improvement thread

On Thu, Jul 23, 2015 at 12:40 PM, Dmitry Khovratovich <
khovratovich@...il.com> wrote:

> To all participants and the panel:
>
> We are now seriously discussing major changes such as MAXFORM, and will
> send a detailed reply on this issue tomorrow.
>
> Regarding API. there is no objection to minor changes, but the hybrid
> (half data-dependent, half data-independent) algorithm is a very delicate
> issue, and we're still discussing it.
>
> Merging Argon2d and Argon2i into one algorithm is a good idea to eliminate
> code repetition, but we must ensure that a user does not consider them
> equivalent.
>
> Please do not hurry.
>
> Best regards,
> the Argon team
>

Understood.  The issue of password dependent/independent has been the most
contentious issue in this competition.  I personally believe that the
default should be the hybrid.

Bill

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