This crate provides jubjub curve arithmetic and also supports fully no_std and parity-scale-codec.

The Jubjub curve is one of twisted edwards curve.

• Twisted Edwards Curve

$$ -x^2 + y^2 \equiv 1 + dx^2y^2 $$

• Addition Law

$$ (x_3 = \frac{x_1y_2 + y_1x_2}{1 + dx_1x_2y_1y_2}, y_3 = \frac{y_1y_2 - x_1x_2}{1 - dx_1x_2y_1y_2}) $$

• Params

$ cargo test