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Re: [Cfrg] Poll: hash functions for Ed448 (ends on December 22nd)

Aaron Zauner <azet@azet.org> Tue, 08 December 2015 21:21 UTC

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Date: Tue, 08 Dec 2015 22:21:17 +0100
From: Aaron Zauner <azet@azet.org>
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To: Tony Arcieri <bascule@gmail.com>
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Subject: Re: [Cfrg] Poll: hash functions for Ed448 (ends on December 22nd)
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Hey,

Tony Arcieri wrote:
> 0: ilari2: HKDF is a nice standard construction but I don't see the
> advantage over simon2

The point made in this proposal is somewhat valid as HKDF is the
"standard" KDF in IETF and it's going to be used (in some form) in TLS
1.3 [OPTLS]. That being said; I can't see why we should not take the
simon2 proposal.

Aaron

[OPTLS] - https://eprint.iacr.org/2015/978.pdf

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