Re: [CFRG] Extract-and-expand with KMAC

Jonathan Hammell <jfhamme.cccs@gmail.com> Mon, 16 November 2020 07:21 UTC

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From: Jonathan Hammell <jfhamme.cccs@gmail.com>
Date: Mon, 16 Nov 2020 02:21:28 -0500
Message-ID: <CALhKWgh2t+_XAGZLPA8bZiZjUpKrfGLZ0TS0kOHotN0XonY-Vg@mail.gmail.com>
To: Ilari Liusvaara <ilariliusvaara@welho.com>
Cc: John Mattsson <john.mattsson@ericsson.com>, CFRG <cfrg@irtf.org>
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Subject: Re: [CFRG] Extract-and-expand with KMAC
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On Sun, Nov 15, 2020 at 11:36 AM Ilari Liusvaara
<ilariliusvaara@welho.com> wrote:
> What I do not like about KMAC is that the spec is somewhat difficult to
> understand (even if it is not quite as bad as FIPS202), and seemingly
> lacks any usable test vectors (where usable means everything is
> multiple of octet; I have not found unofficial ones either).
>
> (KMAC is closely related to cSHAKE, and I did find some unofficial(?)
> test vectors for cSHAKE. Those test vectors were very useful when
> writing implementation of cSHAKE.)

There are a couple (unofficial?) test vectors for KMAC in Figure 12 of
https://usnistgov.github.io/ACVP/draft-celi-acvp-xof.txt .

Jonathan

[CFRG] Extract-and-expand with KMAC John Mattsson
Re: [CFRG] Extract-and-expand with KMAC John Mattsson
Re: [CFRG] Extract-and-expand with KMAC Ilari Liusvaara
Re: [CFRG] Extract-and-expand with KMAC Jonathan Hammell
Re: [CFRG] Extract-and-expand with KMAC Ruggero SUSELLA
Re: [CFRG] Extract-and-expand with KMAC Gilles VAN ASSCHE
Re: [CFRG] Extract-and-expand with KMAC rsw
Re: [CFRG] Extract-and-expand with KMAC Dang, Quynh H. (Fed)
Re: [CFRG] Extract-and-expand with KMAC rsw@jfet.org
Re: [CFRG] Extract-and-expand with KMAC Gilles VAN ASSCHE