ark-curves-cherry-picked/bls12_381/src/curves/tests.rs
bls12_381/src/curves/tests.rsRaw
1#![allow(unused_imports)]
2use ark_ec::{
3 models::SWModelParameters,
4 short_weierstrass_jacobian::{GroupAffine, GroupProjective},
5 AffineCurve, PairingEngine, ProjectiveCurve,
6};
7use ark_ff::{
8 fields::{Field, FpParameters, PrimeField, SquareRootField},
9 BitIteratorBE, One, UniformRand, Zero,
10};
11use ark_serialize::CanonicalSerialize;
12use ark_std::{rand::Rng, test_rng};
13use core::ops::{AddAssign, MulAssign};
14
15use crate::{g1, g2, Bls12_381, Fq, Fq12, Fq2, Fr, G1Affine, G1Projective, G2Affine, G2Projective};
16use ark_algebra_test_templates::{
17 curves::*, generate_bilinearity_test, generate_g1_generator_raw_test, generate_g1_test,
18 generate_g2_test, groups::*, msm::*,
19};
20use ark_ec::group::Group;
21
22generate_g1_test!(bls12_381; curve_tests; sw_tests;);
23generate_g2_test!(bls12_381; curve_tests; sw_tests;);
24generate_bilinearity_test!(Bls12_381, Fq12);
25generate_g1_generator_raw_test!(bls12_381, 4);
26
27#[test]
28fn test_g1_endomorphism_beta() {
29 assert!(g1::BETA.pow(&[3u64]).is_one());
30}
31
32#[test]
33fn test_g1_subgroup_membership_via_endomorphism() {
34 let mut rng = test_rng();
35 let generator = G1Projective::rand(&mut rng).into_affine();
36 assert!(generator.is_in_correct_subgroup_assuming_on_curve());
37}
38
39#[test]
40fn test_g1_subgroup_non_membership_via_endomorphism() {
41 let mut rng = test_rng();
42 loop {
43 let x = Fq::rand(&mut rng);
44 let greatest = rng.gen();
45
46 if let Some(p) = G1Affine::get_point_from_x(x, greatest) {
47 if !p.into_projective().mul(Fr::characteristic()).is_zero() {
48 assert!(!p.is_in_correct_subgroup_assuming_on_curve());
49 return;
50 }
51 }
52 }
53}
54
55#[test]
56fn test_g2_subgroup_membership_via_endomorphism() {
57 let mut rng = test_rng();
58 let generator = G2Projective::rand(&mut rng).into_affine();
59 assert!(generator.is_in_correct_subgroup_assuming_on_curve());
60}
61
62#[test]
63fn test_g2_subgroup_non_membership_via_endomorphism() {
64 let mut rng = test_rng();
65 loop {
66 let x = Fq2::rand(&mut rng);
67 let greatest = rng.gen();
68
69 if let Some(p) = G2Affine::get_point_from_x(x, greatest) {
70 if !p.into_projective().mul(Fr::characteristic()).is_zero() {
71 assert!(!p.is_in_correct_subgroup_assuming_on_curve());
72 return;
73 }
74 }
75 }
76}