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Re: [openpgp] V5 Fingerprint again

" Derek Atkins " <derek@ihtfp.com> Thu, 02 March 2017 00:12 UTC

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To: Leo Gaspard <leo@gaspard.io>, openpgp@ietf.org
From: Derek Atkins <derek@ihtfp.com>
Date: Wed, 01 Mar 2017 19:12:20 -0500
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Subject: Re: [openpgp] V5 Fingerprint again
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Because the SHA3 competition showed us that SHA2 is a good hash...  and SHA2 is much faster than SHA3.

-derek

Sent from my mobile device. Please excuse any typos.

----- Reply message -----
From: "Leo Gaspard" <leo@gaspard.io>
To: <openpgp@ietf.org>
Subject: [openpgp] V5 Fingerprint again
Date: Wed, Mar 1, 2017 6:27 PM

On 03/01/2017 06:30 PM, Phillip Hallam-Baker wrote:
> H(x) = SHA-2-512(x)

Hoping this hasn't been discussed before, but... is there a reason for
not picking SHA3-512? (or SHAKE256 with 25*8 bits of output if willing
to stay at 25 octets for the fingerprint)

This should push back the next required switch to a v6 key.

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