arnaucube/ark-curves-cherry-picked
1
0
Fork 0
mirror of https://github.com/arnaucube/ark-curves-cherry-picked.git synced 2026-01-10 16:01:32 +01:00
Code Issues Projects Releases Wiki Activity

GLV implementation for BLS12_377, BLS12_381 and BN254 (#158)

Browse Source
This commit is contained in:
mmagician
2023-09-11 15:29:38 -06:00
committed by GitHub
parent 8765798eb0
commit 72a18b6ecf
17 changed files with 377 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
bw6_761/src/curves/g1.rs
View File

@@ -1,8 +1,9 @@
use ark_ec::{
models::{short_weierstrass::SWCurveConfig, CurveConfig},
scalar_mul::glv::GLVConfig,
short_weierstrass::{Affine, Projective},
};
use ark_ff::{AdditiveGroup, MontFp};
use ark_ff::{AdditiveGroup, BigInt, MontFp, PrimeField};
use crate::{Fq, Fr};
@@ -49,6 +50,46 @@ impl SWCurveConfig for Config {
}
}
impl GLVConfig for Config {
const ENDO_COEFFS: &'static [Self::BaseField] = &[MontFp!(
"4922464560225523242118178942575080391082002530232324381063048548642823052024664478336818169867474395270858391911405337707247735739826664939444490469542109391530482826728203582549674992333383150446779312029624171857054392282775648"
)];
const LAMBDA: Self::ScalarField =
MontFp!("258664426012969093929703085429980814127835149614277183275038967946009968870203535512256352201271898244626862047231");
const SCALAR_DECOMP_COEFFS: [(bool, <Self::ScalarField as PrimeField>::BigInt); 4] = [
(
true,
BigInt!("293634935485640680722085584138834120324914961969255022593"),
),
(
false,
BigInt!("293634935485640680722085584138834120315328839056164388863"),
),
(
true,
BigInt!("293634935485640680722085584138834120315328839056164388863"),
),
(
true,
BigInt!("587269870971281361444171168277668240640243801025419411456"),
),
];
fn endomorphism(p: &Projective<Self>) -> Projective<Self> {
let mut res = (*p).clone();
res.x *= Self::ENDO_COEFFS[0];
res
}
fn endomorphism_affine(p: &Affine<Self>) -> Affine<Self> {
let mut res = (*p).clone();
res.x *= Self::ENDO_COEFFS[0];
res
}
}
/// G1_GENERATOR_X =
/// 6238772257594679368032145693622812838779005809760824733138787810501188623461307351759238099287535516224314149266511977132140828635950940021790489507611754366317801811090811367945064510304504157188661901055903167026722666149426237
pub const G1_GENERATOR_X: Fq = MontFp!("6238772257594679368032145693622812838779005809760824733138787810501188623461307351759238099287535516224314149266511977132140828635950940021790489507611754366317801811090811367945064510304504157188661901055903167026722666149426237");

43
bw6_761/src/curves/g2.rs
View File

@@ -1,8 +1,9 @@
use ark_ec::{
models::{short_weierstrass::SWCurveConfig, CurveConfig},
scalar_mul::glv::GLVConfig,
short_weierstrass::{Affine, Projective},
};
use ark_ff::{AdditiveGroup, MontFp};
use ark_ff::{AdditiveGroup, BigInt, MontFp, PrimeField};
use crate::{Fq, Fr};
@@ -50,6 +51,46 @@ impl SWCurveConfig for Config {
}
}
impl GLVConfig for Config {
const ENDO_COEFFS: &'static [Self::BaseField] = &[
MontFp!("4922464560225523242118178942575080391082002530232324381063048548642823052024664478336818169867474395270858391911405337707247735739826664939444490469542109391530482826728203582549674992333383150446779312029624171857054392282775648"),
];
const LAMBDA: Self::ScalarField =
MontFp!("80949648264912719408558363140637477264845294720710499478137287262712535938301461879813459410945");
const SCALAR_DECOMP_COEFFS: [(bool, <Self::ScalarField as PrimeField>::BigInt); 4] = [
(
true,
BigInt!("293634935485640680722085584138834120315328839056164388863"),
),
(
false,
BigInt!("293634935485640680722085584138834120324914961969255022593"),
),
(
true,
BigInt!("293634935485640680722085584138834120324914961969255022593"),
),
(
true,
BigInt!("587269870971281361444171168277668240640243801025419411456"),
),
];
fn endomorphism(p: &Projective<Self>) -> Projective<Self> {
let mut res = (*p).clone();
res.x *= Self::ENDO_COEFFS[0];
res
}
fn endomorphism_affine(p: &Affine<Self>) -> Affine<Self> {
let mut res = (*p).clone();
res.x *= Self::ENDO_COEFFS[0];
res
}
}
/// G2_GENERATOR_X =
/// 6445332910596979336035888152774071626898886139774101364933948236926875073754470830732273879639675437155036544153105017729592600560631678554299562762294743927912429096636156401171909259073181112518725201388196280039960074422214428
pub const G2_GENERATOR_X: Fq = MontFp!("6445332910596979336035888152774071626898886139774101364933948236926875073754470830732273879639675437155036544153105017729592600560631678554299562762294743927912429096636156401171909259073181112518725201388196280039960074422214428");

2
bw6_761/src/curves/tests.rs
View File

@@ -6,3 +6,5 @@ test_group!(g1; G1Projective; sw);
test_group!(g2; G2Projective; sw);
test_group!(pairing_output; ark_ec::pairing::PairingOutput<BW6_761>; msm);
test_pairing!(pairing; crate::BW6_761);
test_group!(g1_glv; G1Projective; glv);
test_group!(g2_glv; G2Projective; glv);