Re: questions on using ed25519

[Matt Caswell]

On 22/04/2020 18:12, Viktor Dukhovni wrote:
> sadly the
> EVP_PKEY_METHOD for ed25519 has a NULL sign() member, instead, somewhat
> ironically, it has a digestsign() method.  This is presumably to
> distinguish between the pure and prehash variants.  Therefore, presently
> pkeyutl(1) indeed appears to not implement signing and verifying with
> ed25519, this looks doable with modest effort.


I'm fairly sure it used to have a "sign" function during the dev phase -
but it was taken out. I forget the reasoning.

Matt