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Date: Wed, 26 Aug 2015 09:48:38 -0700
From: Bill Cox <>
To: "" <>
Subject: Re: [PHC] Argon2 version 1.2.1 release

Your fix looks good to me.  Minor nit: there are some tabs now that expand
to 8 spaces in my editor, when I think you intended 4.


On Wed, Aug 26, 2015 at 9:43 AM, Dmitry Khovratovich <
> wrote:

> Fixed the bug with Argon2_id, should work differently now.
> On Wed, Aug 26, 2015 at 5:44 PM, Bill Cox <> wrote:
>> This looks really good!  Whoever you guys have working on the code did a
>> first rate job.  It is clean and concise at the same time, while being
>> readable and reasonably commented.  I have not yet done an in-depth code
>> review, but from what I've seen so far, it's exactly what I was hoping
>> for.  With this level of quality, Argon2 deserves to win, IMO.
>> However, with new code comes new goobers:
>> - The types Argon2_i, Argon2_d, etc, should be commented in the code.
>> Few programmers will bother reading the documentation, so the code has to
>> be understandable on it's own.  There needs to be some comments to help the
>> programmer decide which to call.
>> - I think the Argon2_id mode is currently equivalent to Argon2_d.
>> There's no place in the reference code where Argon2_id is used.  The reason
>> the vectors are different is probably because the type is hashed into the
>> initial derived key, as it should be.
>> Overall, this seems like outstanding work.  Thanks to everyone in the
>> Argon2 team for delivering a first rate solution!
>> Bill
> --
> Best regards,
> Dmitry Khovratovich

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