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Re: [Dcrup] Hey, crypto experts, what signing algorithm should we add

Eric Rescorla <ekr@rtfm.com> Sat, 10 June 2017 14:53 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Sat, 10 Jun 2017 15:52:59 +0100
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To: Martin Thomson <martin.thomson@gmail.com>
Cc: John Levine <johnl@taugh.com>, dcrup@ietf.org
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Subject: Re: [Dcrup] Hey, crypto experts, what signing algorithm should we add
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I think clearly either Ed25519 or ECDSA P-256. Either seems fine, with
ECDSA having an advantage on the availability and Ed25519 an advantage on
the modernness.

-Ekr


On Sat, Jun 10, 2017 at 3:51 PM, Martin Thomson <martin.thomson@gmail.com>
wrote:

> On 10 June 2017 at 13:55, John Levine <johnl@taugh.com> wrote:
> > Any suggestions?
>
> I thought that you had already settled on Ed25519.  Availability is
> the only concern of note based on your criteria.  We don't have it in
> NSS (yet) and it's a bit green in some other libraries, but it's still
> pretty widely available.
>
> I see no huge motivation for Ed448 or ECDSA at this stage.
>
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