ark-curves-cherry-picked/bn254/src/curves/mod.rs

use crate::*;
use ark_ec::{
    bn,
    bn::{Bn, BnParameters, TwistType},
};
use ark_ff::field_new;
pub mod g1;
pub mod g2;

#[cfg(test)]
mod tests;

pub struct Parameters;

impl BnParameters for Parameters {
    const X: &'static [u64] = &[4965661367192848881];
    /// `x` is positive.
    const X_IS_NEGATIVE: bool = false;
    const ATE_LOOP_COUNT: &'static [i8] = &[
        0, 0, 0, 1, 0, 1, 0, -1, 0, 0, 1, -1, 0, 0, 1, 0, 0, 1, 1, 0, -1, 0, 0, 1, 0, -1, 0, 0, 0,
        0, 1, 1, 1, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 1, 0, 0, -1, 0, 0, 0, 1, 1, 0,
        -1, 0, 0, 1, 0, 1, 1,
    ];
    /// `ate_loop_count` is positive.
    const ATE_LOOP_COUNT_IS_NEGATIVE: bool = false;

    const TWIST_MUL_BY_Q_X: Fq2 = field_new!(
        Fq2,
        field_new!(
            Fq,
            "21575463638280843010398324269430826099269044274347216827212613867836435027261"
        ),
        field_new!(
            Fq,
            "10307601595873709700152284273816112264069230130616436755625194854815875713954"
        ),
    );
    const TWIST_MUL_BY_Q_Y: Fq2 = field_new!(
        Fq2,
        field_new!(
            Fq,
            "2821565182194536844548159561693502659359617185244120367078079554186484126554"
        ),
        field_new!(
            Fq,
            "3505843767911556378687030309984248845540243509899259641013678093033130930403"
        ),
    );
    const TWIST_TYPE: TwistType = TwistType::D;
    type Fp = Fq;
    type Fp2Params = Fq2Parameters;
    type Fp6Params = Fq6Parameters;
    type Fp12Params = Fq12Parameters;
    type G1Parameters = g1::Parameters;
    type G2Parameters = g2::Parameters;
}

pub type Bn254 = Bn<Parameters>;

pub type G1Affine = bn::G1Affine<Parameters>;
pub type G1Projective = bn::G1Projective<Parameters>;
pub type G2Affine = bn::G2Affine<Parameters>;
pub type G2Projective = bn::G2Projective<Parameters>;