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58 lines
2.6 KiB
58 lines
2.6 KiB
use ark_ec::{
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models::{short_weierstrass::SWCurveConfig, CurveConfig},
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short_weierstrass::{Affine, Projective},
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};
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use ark_ff::{Field, MontFp};
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use crate::{Fq, Fr};
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pub type G1Affine = Affine<Parameters>;
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pub type G1Projective = Projective<Parameters>;
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#[derive(Clone, Default, PartialEq, Eq)]
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pub struct Parameters;
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impl CurveConfig for Parameters {
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type BaseField = Fq;
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type ScalarField = Fr;
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/// COFACTOR =
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/// 26642435879335816683987677701488073867751118270052650655942102502312977592501693353047140953112195348280268661194876
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#[rustfmt::skip]
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const COFACTOR: &'static [u64] = &[
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0x3de580000000007c,
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0x832ba4061000003b,
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0xc61c554757551c0c,
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0xc856a0853c9db94c,
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0x2c77d5ac34cb12ef,
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0xad1972339049ce76,
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];
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/// COFACTOR^(-1) mod r =
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/// 91141326767669940707819291241958318717982251277713150053234367522357946997763584490607453720072232540829942217804
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const COFACTOR_INV: Fr = MontFp!("91141326767669940707819291241958318717982251277713150053234367522357946997763584490607453720072232540829942217804");
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}
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impl SWCurveConfig for Parameters {
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/// COEFF_A = 0
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const COEFF_A: Fq = Fq::ZERO;
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/// COEFF_B = -1
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const COEFF_B: Fq = MontFp!("-1");
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/// AFFINE_GENERATOR_COEFFS = (G1_GENERATOR_X, G1_GENERATOR_Y)
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const GENERATOR: G1Affine = G1Affine::new_unchecked(G1_GENERATOR_X, G1_GENERATOR_Y);
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#[inline(always)]
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fn mul_by_a(_elem: &Self::BaseField) -> Self::BaseField {
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use ark_ff::Zero;
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Self::BaseField::zero()
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}
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}
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/// G1_GENERATOR_X =
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/// 6238772257594679368032145693622812838779005809760824733138787810501188623461307351759238099287535516224314149266511977132140828635950940021790489507611754366317801811090811367945064510304504157188661901055903167026722666149426237
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pub const G1_GENERATOR_X: Fq = MontFp!("6238772257594679368032145693622812838779005809760824733138787810501188623461307351759238099287535516224314149266511977132140828635950940021790489507611754366317801811090811367945064510304504157188661901055903167026722666149426237");
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/// G1_GENERATOR_Y =
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/// 2101735126520897423911504562215834951148127555913367997162789335052900271653517958562461315794228241561913734371411178226936527683203879553093934185950470971848972085321797958124416462268292467002957525517188485984766314758624099
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pub const G1_GENERATOR_Y: Fq = MontFp!("2101735126520897423911504562215834951148127555913367997162789335052900271653517958562461315794228241561913734371411178226936527683203879553093934185950470971848972085321797958124416462268292467002957525517188485984766314758624099");
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