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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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2
ed_on_mnt4_753/src/constraints/mod.rs
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@@ -1,7 +1,7 @@
//! This module implements the R1CS equivalent of `ark_ed_on_mnt4_753`.
//!
//! It implements field variables for `crate::Fq`,
//! and group variables for `crate::GroupProjective`.
//! and group variables for `crate::Projective`.
//!
//! The field underlying these constraints is `crate::Fq`.
//!

34
ed_on_mnt4_753/src/curves/mod.rs
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@@ -1,6 +1,6 @@
use ark_ec::{
models::{ModelParameters, MontgomeryModelParameters, TEModelParameters},
twisted_edwards_extended::{GroupAffine, GroupProjective},
models::CurveConfig,
twisted_edwards::{Affine, MontCurveConfig, Projective, TECurveConfig},
};
use ark_ff::MontFp;
@@ -9,13 +9,13 @@ use crate::{fq::Fq, fr::Fr};
#[cfg(test)]
mod tests;
pub type EdwardsAffine = GroupAffine<EdwardsParameters>;
pub type EdwardsProjective = GroupProjective<EdwardsParameters>;
pub type EdwardsAffine = Affine<EdwardsParameters>;
pub type EdwardsProjective = Projective<EdwardsParameters>;
#[derive(Clone, Default, PartialEq, Eq)]
pub struct EdwardsParameters;
impl ModelParameters for EdwardsParameters {
impl CurveConfig for EdwardsParameters {
type BaseField = Fq;
type ScalarField = Fr;
@@ -24,20 +24,20 @@ impl ModelParameters for EdwardsParameters {
/// COFACTOR_INV (mod r) =
/// 4582647449616135528381398492791944685893671397494963179726320631987147963874964803303316505414568319530101512550297775574042810022553679071007001162683923594233560231270043634777390699589793776691858866199511300853468155295505
const COFACTOR_INV: Fr = MontFp!(Fr, "4582647449616135528381398492791944685893671397494963179726320631987147963874964803303316505414568319530101512550297775574042810022553679071007001162683923594233560231270043634777390699589793776691858866199511300853468155295505");
const COFACTOR_INV: Fr = MontFp!("4582647449616135528381398492791944685893671397494963179726320631987147963874964803303316505414568319530101512550297775574042810022553679071007001162683923594233560231270043634777390699589793776691858866199511300853468155295505");
}
impl TEModelParameters for EdwardsParameters {
impl TECurveConfig for EdwardsParameters {
/// COEFF_A = -1
const COEFF_A: Fq = MontFp!(Fq, "-1");
const COEFF_A: Fq = MontFp!("-1");
/// COEFF_D = 317690
const COEFF_D: Fq = MontFp!(Fq, "317690");
const COEFF_D: Fq = MontFp!("317690");
/// Generated randomly
const AFFINE_GENERATOR_COEFFS: (Self::BaseField, Self::BaseField) = (GENERATOR_X, GENERATOR_Y);
const GENERATOR: EdwardsAffine = EdwardsAffine::new_unchecked(GENERATOR_X, GENERATOR_Y);
type MontgomeryModelParameters = EdwardsParameters;
type MontCurveConfig = EdwardsParameters;
/// Multiplication by `a` is just negation.
#[inline(always)]
@@ -46,20 +46,20 @@ impl TEModelParameters for EdwardsParameters {
}
}
impl MontgomeryModelParameters for EdwardsParameters {
impl MontCurveConfig for EdwardsParameters {
/// COEFF_A = 40212480635445336270302172549278415015971955924352275480357619589919378421241453024646804979794897776496091377551124233752850182852486874251193367187677349266115879541798515219680194853352256809837126277708211496794264654247419
const COEFF_A: Fq = MontFp!(Fq, "40212480635445336270302172549278415015971955924352275480357619589919378421241453024646804979794897776496091377551124233752850182852486874251193367187677349266115879541798515219680194853352256809837126277708211496794264654247419");
const COEFF_A: Fq = MontFp!("40212480635445336270302172549278415015971955924352275480357619589919378421241453024646804979794897776496091377551124233752850182852486874251193367187677349266115879541798515219680194853352256809837126277708211496794264654247419");
/// COEFF_B = 1686010332473617132042042241962222112198753995601673591425883331105974391329653748412088783995441144921979594337334243570322874639106980818502874667119046899605536783551549221790223284494141659774809441351696667426519821912580
const COEFF_B: Fq = MontFp!(Fq, "1686010332473617132042042241962222112198753995601673591425883331105974391329653748412088783995441144921979594337334243570322874639106980818502874667119046899605536783551549221790223284494141659774809441351696667426519821912580");
const COEFF_B: Fq = MontFp!("1686010332473617132042042241962222112198753995601673591425883331105974391329653748412088783995441144921979594337334243570322874639106980818502874667119046899605536783551549221790223284494141659774809441351696667426519821912580");
type TEModelParameters = EdwardsParameters;
type TECurveConfig = EdwardsParameters;
}
/// GENERATOR_X =
/// 41126137307536311801428235632419266329480236393691483739251051053325519918069469184425962602019877935619960143044210127218431046103600632347238890180171944971817510488009355627861577881883236134824745174469522277738875418206826
const GENERATOR_X: Fq = MontFp!(Fq, "41126137307536311801428235632419266329480236393691483739251051053325519918069469184425962602019877935619960143044210127218431046103600632347238890180171944971817510488009355627861577881883236134824745174469522277738875418206826");
const GENERATOR_X: Fq = MontFp!("41126137307536311801428235632419266329480236393691483739251051053325519918069469184425962602019877935619960143044210127218431046103600632347238890180171944971817510488009355627861577881883236134824745174469522277738875418206826");
/// GENERATOR_Y =
/// 18249602579663240810999977712212098844157230095713722119136881953011435881503578209163288529034825612841855863913294174196656077002578342108932925693640046298989762289691399012056048139253937882385653600831389370198228562812681
const GENERATOR_Y: Fq = MontFp!(Fq, "18249602579663240810999977712212098844157230095713722119136881953011435881503578209163288529034825612841855863913294174196656077002578342108932925693640046298989762289691399012056048139253937882385653600831389370198228562812681");
const GENERATOR_Y: Fq = MontFp!("18249602579663240810999977712212098844157230095713722119136881953011435881503578209163288529034825612841855863913294174196656077002578342108932925693640046298989762289691399012056048139253937882385653600831389370198228562812681");

42
ed_on_mnt4_753/src/curves/tests.rs
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@@ -1,6 +1,5 @@
use ark_algebra_test_templates::{curves::*, groups::*};
use ark_ec::{AffineCurve, ProjectiveCurve};
use ark_std::{rand::Rng, test_rng};
use ark_algebra_test_templates::curves::*;
use ark_ec::AffineCurve;
use crate::*;
@@ -11,27 +10,6 @@ fn test_projective_curve() {
edwards_tests::<EdwardsParameters>();
}
#[test]
fn test_projective_group() {
let mut rng = test_rng();
let a = rng.gen();
let b = rng.gen();
for _i in 0..100 {
group_test::<EdwardsProjective>(a, b);
}
}
#[test]
fn test_affine_group() {
let mut rng = test_rng();
let a: EdwardsAffine = rng.gen();
let b: EdwardsAffine = rng.gen();
for _i in 0..100 {
group_test::<EdwardsAffine>(a, b);
}
}
#[test]
fn test_generator() {
let generator = EdwardsAffine::prime_subgroup_generator();
@@ -39,22 +17,6 @@ fn test_generator() {
assert!(generator.is_in_correct_subgroup_assuming_on_curve());
}
#[test]
fn test_conversion() {
let mut rng = test_rng();
let a: EdwardsAffine = rng.gen();
let b: EdwardsAffine = rng.gen();
let a_b = {
use ark_ec::group::Group;
(a + &b).double().double()
};
let a_b2 = (a.into_projective() + &b.into_projective())
.double()
.double();
assert_eq!(a_b, a_b2.into_affine());
assert_eq!(a_b.into_projective(), a_b2);
}
#[test]
fn test_montgomery_conversion() {
montgomery_conversion_test::<EdwardsParameters>();

2
ed_on_mnt4_753/src/fields/tests.rs
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@@ -1,7 +1,7 @@
use ark_algebra_test_templates::{
fields::*, generate_field_serialization_test, generate_field_test,
};
use ark_ff::{Field, One, PrimeField, SquareRootField, UniformRand, Zero};
use ark_ff::{Field, One, PrimeField, UniformRand, Zero};
use ark_serialize::{buffer_bit_byte_size, CanonicalSerialize};
use ark_std::{rand::Rng, test_rng};
use core::ops::{AddAssign, MulAssign, SubAssign};