Re: [Cfrg] Review of draft-arciszewski-xchacha-02

Kyle Rose <krose@krose.org> Tue, 18 December 2018 16:13 UTC

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From: Kyle Rose <krose@krose.org>
Date: Tue, 18 Dec 2018 11:13:13 -0500
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Cc: Rich Salz <rsalz@akamai.com>, cfrg@ietf.org
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Subject: Re: [Cfrg] Review of draft-arciszewski-xchacha-02
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On Tue, Dec 18, 2018 at 9:50 AM Laurens Van Houtven <_@lvh.io> wrote:

> Just another voice for an argument I'm sure has been made before: I agree
> with the original spec, the best possible name is XChaCha20 and not
> XNChaCha20 or whatever. Here's why:
>
> - XSalsa20 already exists.
>

This was exactly the point I was going to make. Whether or not it's ideal
nomenclature, it's established and understandable to everyone with enough
context to care what XChaCha is.

(Also, "There are only two hard things in Computer Science: cache
invalidation and naming things.")

Kyle