phc-discussions - Re: [PHC] Argon2 modulo division

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Message-ID: <CA+hr98E4me+Qw57iPxMPcr8zrKBSPbDeK7m+BoPDmrFGg4S6HA@mail.gmail.com>
Date: Wed, 29 Apr 2015 16:24:31 +0200
From: Krisztián Pintér <pinterkr@...il.com>
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Re: [PHC] Argon2 modulo division

On Wed, Apr 29, 2015 at 4:19 PM, Dmitry Khovratovich
<khovratovich@...il.com> wrote:
>> gambit's solution is a sliding window but xor into memory, which means
>> all recomputation graphs go back to the origin.
> It is the same as deleting an old block and producing two new ones. So
> it does not change the skewness of the penalty distribution.

but that would hurt tmto, as it increases memory for attacker