phc-discussions - Re: [PHC] Analysis of Argon2i

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Date: Wed, 13 Jan 2016 13:34:34 -0800
From: Bill Cox <waywardgeek@...il.com>
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Re: [PHC] Analysis of Argon2i

On Wed, Jan 13, 2016 at 6:18 AM, Dmitry Khovratovich <khovratovich@...il.com
> wrote:


> CAN IT BE PATCHED: Yes, at a cost of quite small performance/code
> difference. We are testing several countermeasures at this point, for
> example a simple XOR into the memory instead of overwrite (around 10%
> slowdown).
>

I like the idea of XORing over memory for Argon2i.  Both Lyra2 and Gambit
did this.

Bill



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