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Catch up with algebra (#106)

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Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>
This commit is contained in:
Marcin
2022-07-29 21:16:16 +02:00
committed by GitHub
parent 76579d0fbb
commit 93e64df895
120 changed files with 934 additions and 1653 deletions
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27
vesta/src/curves/mod.rs
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@@ -1,9 +1,9 @@
use crate::{fq::Fq, fr::Fr};
use ark_ec::{
models::{ModelParameters, SWModelParameters},
short_weierstrass_jacobian::{GroupAffine, GroupProjective},
models::CurveConfig,
short_weierstrass::{Affine, Projective, SWCurveConfig},
};
use ark_ff::{MontFp, Zero};
use ark_ff::{Field, MontFp, Zero};
#[cfg(test)]
mod tests;
@@ -11,7 +11,7 @@ mod tests;
#[derive(Copy, Clone, Default, PartialEq, Eq)]
pub struct VestaParameters;
impl ModelParameters for VestaParameters {
impl CurveConfig for VestaParameters {
type BaseField = Fq;
type ScalarField = Fr;
@@ -19,22 +19,21 @@ impl ModelParameters for VestaParameters {
const COFACTOR: &'static [u64] = &[0x1];
/// COFACTOR_INV = 1
const COFACTOR_INV: Fr = MontFp!(Fr, "1");
const COFACTOR_INV: Fr = Fr::ONE;
}
pub type Affine = GroupAffine<VestaParameters>;
pub type Projective = GroupProjective<VestaParameters>;
pub type G1Affine = Affine<VestaParameters>;
pub type G1Projective = Projective<VestaParameters>;
impl SWModelParameters for VestaParameters {
impl SWCurveConfig for VestaParameters {
/// COEFF_A = 0
const COEFF_A: Fq = MontFp!(Fq, "0");
const COEFF_A: Fq = Fq::ZERO;
/// COEFF_B = 5
const COEFF_B: Fq = MontFp!(Fq, "5");
const COEFF_B: Fq = MontFp!("5");
/// AFFINE_GENERATOR_COEFFS = (G1_GENERATOR_X, G1_GENERATOR_Y)
const AFFINE_GENERATOR_COEFFS: (Self::BaseField, Self::BaseField) =
(G_GENERATOR_X, G_GENERATOR_Y);
const GENERATOR: G1Affine = G1Affine::new_unchecked(G_GENERATOR_X, G_GENERATOR_Y);
#[inline(always)]
fn mul_by_a(_: &Self::BaseField) -> Self::BaseField {
@@ -44,8 +43,8 @@ impl SWModelParameters for VestaParameters {
/// G_GENERATOR_X = -1
/// Encoded in Montgomery form, so the value here is -R mod p.
pub const G_GENERATOR_X: Fq = MontFp!(Fq, "-1");
pub const G_GENERATOR_X: Fq = MontFp!("-1");
/// G_GENERATOR_Y = 2
/// Encoded in Montgomery form, so the value here is 2R mod p.
pub const G_GENERATOR_Y: Fq = MontFp!(Fq, "2");
pub const G_GENERATOR_Y: Fq = MontFp!("2");