Hi Yaron,

[snipped]

>     Do you want to say anything about EdDSA and the kerfuffle going on in 
> cfrg@ mailing list right now?  No is a
> good, and probably sane, answer.
> 
> No. We discussed it briefly and although we added 25519 for the ECDH key 
> exchange, we are not
> recommending (or even discussing) the use of EdDSA for signatures or certs. 
> So there's nowhere to even
> include such a comment.

The discussion in CFRG was not about EdDSA specifically, but about fault 
attacks on other deterministic signature
schemes, including deterministic ECDSA. The draft currently recommends using 
deterministic ECDSA (as specified in RFC6979) 
over the classic one, so we seem to explicitly recommend what cryptographers 
express concerns of.

On the other hand, it seems to me that "fault attacks" are outside Dolev-Yao 
model, so I'm not sure
how relevant their concerns are in the context of the draft.

Regards,
Valery.

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