пт, 22 нояб. 2019 г., 18:16 Niels Möller <[email protected]>:
> Dmitry Eremin-Solenikov <[email protected]> writes: > > > Basically I have two strange curves which are defined in Weierstrass > > form, but have equivalent Untwisted Edwards form. I planned to make > > ecc_point_set/get convert between x,y and u,v,w (and to store these > > coordinates in ecc_point). > > Then the internal representation would be plain limb arrays holding u, > v, w in order. With individual coordinates in ordinary or montgomery > representation, depending on what makes the reduce operation most > efficient. > Yes, I've implemented it exactly in this way. > Now I'm getting unsure about what should go in the struct ecc_point limb > array. But I think curve implementation has some room to choose it's > preferred representation. > Currently I have xyz for secp curves and uvw for edwards curves. > Regards, > /Niels > > -- > Niels Möller. PGP-encrypted email is preferred. Keyid 368C6677. > Internet email is subject to wholesale government surveillance. > _______________________________________________ nettle-bugs mailing list [email protected] http://lists.lysator.liu.se/mailman/listinfo/nettle-bugs
