arnaucube/ark-curves-cherry-picked
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Update BN254

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This commit is contained in:
Pratyush Mishra
2020-11-29 14:01:25 -08:00
parent b0565ad0c5
commit 31664a0e2e
7 changed files with 108 additions and 413 deletions
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42
bn254/src/curves/g1.rs
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@@ -1,5 +1,5 @@
use ark_ec::models::{ModelParameters, SWModelParameters};
use ark_ff::{biginteger::BigInteger256, field_new, Zero};
use ark_ff::{field_new, Zero};
use crate::{Fq, Fr};
@@ -13,28 +13,16 @@ impl ModelParameters for Parameters {
impl SWModelParameters for Parameters {
/// COEFF_A = 0
const COEFF_A: Fq = field_new!(Fq, BigInteger256([0x0, 0x0, 0x0, 0x0]));
const COEFF_A: Fq = field_new!(Fq, "0");
/// COEFF_B = 3
#[rustfmt::skip]
const COEFF_B: Fq = field_new!(Fq, BigInteger256([
0x7a17caa950ad28d7,
0x1f6ac17ae15521b9,
0x334bea4e696bd284,
0x2a1f6744ce179d8e,
]));
const COEFF_B: Fq = field_new!(Fq, "3");
/// COFACTOR = 1
const COFACTOR: &'static [u64] = &[0x1];
/// COFACTOR_INV = COFACTOR^{-1} mod r = 1
#[rustfmt::skip]
const COFACTOR_INV: Fr = field_new!(Fr, BigInteger256([
0xac96341c4ffffffb,
0x36fc76959f60cd29,
0x666ea36f7879462e,
0xe0a77c19a07df2f,
]));
const COFACTOR_INV: Fr = field_new!(Fr, "1");
/// AFFINE_GENERATOR_COEFFS = (G1_GENERATOR_X, G1_GENERATOR_Y)
const AFFINE_GENERATOR_COEFFS: (Self::BaseField, Self::BaseField) =
@@ -46,22 +34,8 @@ impl SWModelParameters for Parameters {
}
}
/// G1_GENERATOR_X =
/// 1
#[rustfmt::skip]
pub const G1_GENERATOR_X: Fq = field_new!(Fq, BigInteger256([
0xd35d438dc58f0d9d,
0x0a78eb28f5c70b3d,
0x666ea36f7879462c,
0x0e0a77c19a07df2f,
]));
/// G1_GENERATOR_X = 1
pub const G1_GENERATOR_X: Fq = field_new!(Fq, "1");
/// G1_GENERATOR_Y =
/// 2
#[rustfmt::skip]
pub const G1_GENERATOR_Y: Fq = field_new!(Fq, BigInteger256([
0xa6ba871b8b1e1b3a,
0x14f1d651eb8e167b,
0xccdd46def0f28c58,
0x1c14ef83340fbe5e,
]));
/// G1_GENERATOR_Y = 2
pub const G1_GENERATOR_Y: Fq = field_new!(Fq, "2");