On Jun 12, 2015, at 12:08 PM, Michael Hamburg <[email protected]> wrote:

> Would be nice if new curves support a=-3.  Would be even nicer if prime 
> order.  Would be nice if sqrt(b) doesn’t exist.  Unfortunately with 
> curve25519, sqrt(b) does exist in short Weierstrass form and a=-3 not 
> possible.

Can you please elaborate on this a bit?  Why is it desirable if sqrt(b) doesn’t 
exist, and to set a=-3?

Attachment: signature.asc
Description: Message signed with OpenPGP using GPGMail

_______________________________________________
Curves mailing list
[email protected]
https://moderncrypto.org/mailman/listinfo/curves

Reply via email to