[tor-dev] SHA-3 isn't looking so hot to me
iang at cs.uwaterloo.ca
Fri Nov 4 14:24:32 UTC 2011
On Fri, Nov 04, 2011 at 01:01:09PM +0000, Robert Ransom wrote:
> I have also seen parameters for an Edwards curve equivalent to
> Curve25519; we will need the Edwards-curve parameters in order to
> implement point addition efficiently in constant time for our EC
> signature scheme.
Hmm? curve25519 _is_ an Edwards curve (that's why it has that slightly
annoying non-prime order), and djb's implementation, at least, is
supposed to be constant-time.
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