Proposed patch to use openssl for ed25519 crypto (patch now inline)

[Damien Miller]

On Wed, 29 Oct 2025, Jeremy Allison via openssh-unix-dev wrote:

> (Sigh. Trying again with patch inline. Sorry, didn't realize text
> attachments got stripped.)

They don't though, e.g. the attachment is available on the 3rd-party
archive at marc.info:

https://marc.info/?l=openssh-unix-dev&m=176176508612432&w=2

OTOH your mailer messed up this patch.

Anyway, I'll take a look. First impression is that the code seems
fine but the underflow checks are probably not necessary; the size
of ED25519 public and private keys are constants that will never
be adjusted...

-d