ECDSA for Edwards curve

[Werner Koch]

On Mon, 21 Oct 2013 12:43, wk at gnupg.org said:

> Or forget about Ed25519 and use P-256 directly?  Needs to be discussed
> with the GNUnet folks.

There is an easier way to do that.  We only have 255 bit thus the there
is one spare bit to represent the sign.  This is similar to what EdDSA
does, pretty easy and sufficient for the GNUNET case.


Shalom-Salam,

   Werner

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