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Update BLS12-377

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This commit is contained in:
Pratyush Mishra
2020-11-28 14:56:01 -08:00
parent 23e87bf224
commit 0445d45c07
7 changed files with 59 additions and 350 deletions
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39
bls12_377/src/curves/g1.rs
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@@ -1,10 +1,9 @@
use ark_ec::models::{ModelParameters, SWModelParameters};
use ark_ff::{
biginteger::{BigInteger256, BigInteger384},
field_new, Zero,
};
use crate::{Fq, Fr};
use crate::{Fq, Fr, fields::{FQ_ZERO, FQ_ONE}};
#[derive(Clone, Default, PartialEq, Eq)]
pub struct Parameters;
@@ -16,18 +15,11 @@ impl ModelParameters for Parameters {
impl SWModelParameters for Parameters {
/// COEFF_A = 0
const COEFF_A: Fq = field_new!(Fq, BigInteger384([0x0, 0x0, 0x0, 0x0, 0x0, 0x0]));
const COEFF_A: Fq = FQ_ZERO;
/// COEFF_B = 1
#[rustfmt::skip]
const COEFF_B: Fq = field_new!(Fq, BigInteger384([
0x2cdffffffffff68,
0x51409f837fffffb1,
0x9f7db3a98a7d3ff2,
0x7b4e97b76e7c6305,
0x4cf495bf803c84e8,
0x8d6661e2fdf49a,
]));
const COEFF_B: Fq = FQ_ONE;
/// COFACTOR = (x - 1)^2 / 3 = 30631250834960419227450344600217059328
const COFACTOR: &'static [u64] = &[0x0, 0x170b5d4430000000];
@@ -35,12 +27,7 @@ impl SWModelParameters for Parameters {
/// COFACTOR_INV = COFACTOR^{-1} mod r
/// = 5285428838741532253824584287042945485047145357130994810877
#[rustfmt::skip]
const COFACTOR_INV: Fr = field_new!(Fr, BigInteger256([
2013239619100046060,
4201184776506987597,
2526766393982337036,
1114629510922847535,
]));
const COFACTOR_INV: Fr = field_new!(Fr, "5285428838741532253824584287042945485047145357130994810877");
/// AFFINE_GENERATOR_COEFFS = (G1_GENERATOR_X, G1_GENERATOR_Y)
const AFFINE_GENERATOR_COEFFS: (Self::BaseField, Self::BaseField) =
@@ -55,23 +42,9 @@ impl SWModelParameters for Parameters {
/// G1_GENERATOR_X =
/// 81937999373150964239938255573465948239988671502647976594219695644855304257327692006745978603320413799295628339695
#[rustfmt::skip]
pub const G1_GENERATOR_X: Fq = field_new!(Fq, BigInteger384([
0x260f33b9772451f4,
0xc54dd773169d5658,
0x5c1551c469a510dd,
0x761662e4425e1698,
0xc97d78cc6f065272,
0xa41206b361fd4d,
]));
pub const G1_GENERATOR_X: Fq = field_new!(Fq, "81937999373150964239938255573465948239988671502647976594219695644855304257327692006745978603320413799295628339695");
/// G1_GENERATOR_Y =
/// 241266749859715473739788878240585681733927191168601896383759122102112907357779751001206799952863815012735208165030
#[rustfmt::skip]
pub const G1_GENERATOR_Y: Fq = field_new!(Fq, BigInteger384([
0x8193961fb8cb81f3,
0x638d4c5f44adb8,
0xfafaf3dad4daf54a,
0xc27849e2d655cd18,
0x2ec3ddb401d52814,
0x7da93326303c71,
]));
pub const G1_GENERATOR_Y: Fq = field_new!(Fq, "241266749859715473739788878240585681733927191168601896383759122102112907357779751001206799952863815012735208165030");