On 07/13/2018 11:26 AM, Bernd Fix wrote:
> I think that most problems mentioned in my previous post originate in
> the '#define CURVE "Ed25519"' statement at curve_ecc.c:37. All key
> parameter definitions (EdDSA, ECDSA and ECDHE) use that value leading to
> the described problems. I think that the curve key parameter needs to be
> set individually for each purpose.

Well, there is one tricky bit with that I forgot to point out in my
previous message: we do use (rarely) the same point/key for both ECDHE
and EdDSA (specifically, in Taler).  Hence, here it is relevant to have
the same public key representation across both schemes.

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