Strange crypto choices

[Damien Miller]

On Sat, 26 May 2018, Christian Weisgerber wrote:

> On 2018-05-25, Yegor Ievlev <koops1997 at gmail.com> wrote:
> 
> > The defaults for HostKeyAlgorithms option are: [...]
> > Why does OpenSSH prefer older and less secure
> > (https://safecurves.cr.yp.to/) ECDSA with NIST curves over Ed25519?
> 
> I asked Markus and Damien about this in the past but honestly don't
> remember the answer.  Some of the potential reasons (lack of
> standardization, no DNS fingerprint, ...) seem to no longer apply.
> I've been wanting to hassle Markus and Damien about this again,
> once I run into them in person, but that opportunity hasn't presented
> itself yet.

Yeah, there's no RFC for ed25519 keys yet. There's an I-D in progress at
https://tools.ietf.org/id/draft-ietf-curdle-ssh-ed25519-01.html

Christian is right about our reasoning for the other choices.

-d