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Date: Sat, 5 Sep 2015 21:49:24 -0700
From: Andrew Ekstedt <andrew.ekstedt@...il.com>
To: discussions@...sword-hashing.net
Subject: Re: Comments on Argon2 v1.2.1

Another bug (and a typo!):

Section 3.3 describes how to derive a block of indices for Argon2i by
running G² on a bunch of inputs including:

>     • i is is the counter starting in each segment from 0

Typo: "is is" (and "tWe", on the next line.)

Bug: The reference implementation starts the counter from 1 instead of 0.

https://github.com/khovratovich/Argon2/blob/f80a42fdb51e8cd615f9388baad1401b9da66103/Source/Core/argon2-ref-core.cpp#L81
https://github.com/khovratovich/Argon2/blob/f80a42fdb51e8cd615f9388baad1401b9da66103/Source/Core/argon2-opt-core.cpp#L154

Andrew Ekstedt

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