ark-curves-cherry-picked/mnt4_298/src/curves/g1.rs
mnt4_298/src/curves/g1.rsRaw
1use ark_ec::{
2 mnt4,
3 models::{ModelParameters, SWModelParameters},
4};
5use ark_ff::MontFp;
6
7use crate::{Fq, Fr, FR_ONE};
8
9pub type G1Affine = mnt4::G1Affine<crate::Parameters>;
10pub type G1Projective = mnt4::G1Projective<crate::Parameters>;
11pub type G1Prepared = mnt4::G1Prepared<crate::Parameters>;
12
13#[derive(Clone, Default, PartialEq, Eq)]
14pub struct Parameters;
15
16impl ModelParameters for Parameters {
17 type BaseField = Fq;
18 type ScalarField = Fr;
19
20 /// COFACTOR = 1
21 const COFACTOR: &'static [u64] = &[1];
22
23 /// COFACTOR^(-1) mod r =
24 /// 1
25 const COFACTOR_INV: Fr = FR_ONE;
26}
27
28impl SWModelParameters for Parameters {
29 /// COEFF_A = 2
30 /// Reference: <https://github.com/scipr-lab/libff/blob/c927821ebe02e0a24b5e0f9170cec5e211a35f08/libff/algebra/curves/mnt/mnt4/mnt4_init.cpp#L116>
31 const COEFF_A: Fq = MontFp!(Fq, "2");
32
33 /// COEFF_B = 423894536526684178289416011533888240029318103673896002803341544124054745019340795360841685
34 /// Reference: <https://github.com/scipr-lab/libff/blob/c927821ebe02e0a24b5e0f9170cec5e211a35f08/libff/algebra/curves/mnt/mnt4/mnt4_init.cpp#L117>
35 const COEFF_B: Fq = MontFp!(Fq, "423894536526684178289416011533888240029318103673896002803341544124054745019340795360841685");
36
37 /// AFFINE_GENERATOR_COEFFS = (G1_GENERATOR_X, G1_GENERATOR_Y)
38 const AFFINE_GENERATOR_COEFFS: (Self::BaseField, Self::BaseField) =
39 (G1_GENERATOR_X, G1_GENERATOR_Y);
40}
41
42// Generator of G1
43// X = 60760244141852568949126569781626075788424196370144486719385562369396875346601926534016838,
44// Y = 363732850702582978263902770815145784459747722357071843971107674179038674942891694705904306,
45/// G1_GENERATOR_X
46/// Reference: <https://github.com/scipr-lab/libff/blob/c927821ebe02e0a24b5e0f9170cec5e211a35f08/libff/algebra/curves/mnt/mnt4/mnt4_init.cpp#L137>
47pub const G1_GENERATOR_X: Fq = MontFp!(
48 Fq,
49 "60760244141852568949126569781626075788424196370144486719385562369396875346601926534016838"
50);
51
52/// G1_GENERATOR_Y
53/// Reference: <https://github.com/scipr-lab/libff/blob/c927821ebe02e0a24b5e0f9170cec5e211a35f08/libff/algebra/curves/mnt/mnt4/mnt4_init.cpp#L138>
54pub const G1_GENERATOR_Y: Fq = MontFp!(
55 Fq,
56 "363732850702582978263902770815145784459747722357071843971107674179038674942891694705904306"
57);