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Twisted Edwards parameters for BLS12-377 (#76)

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Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>
This commit is contained in:
zhenfei
2021-10-19 14:30:41 -04:00
committed by GitHub
parent 2118e14b6a
commit 5fe1862c9a
8 changed files with 224 additions and 14 deletions
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18
bls12_377/src/constraints/curves.rs
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@@ -1,11 +1,22 @@
use crate::Parameters;
use ark_r1cs_std::groups::bls12;
use ark_ec::bls12::Bls12Parameters;
use ark_ec::ModelParameters;
use ark_r1cs_std::{
fields::fp::FpVar,
groups::{bls12, curves::twisted_edwards::AffineVar as TEAffineVar},
};
/// An element of G1 in the BLS12-377 bilinear group.
pub type G1Var = bls12::G1Var<Parameters>;
/// An element of G2 in the BLS12-377 bilinear group.
pub type G2Var = bls12::G2Var<Parameters>;
/// An element of G1 (in TE Affine form) in the BLS12-377 bilinear group.
pub type G1TEAffineVar = TEAffineVar<
<Parameters as Bls12Parameters>::G1Parameters,
FpVar<<<Parameters as Bls12Parameters>::G1Parameters as ModelParameters>::BaseField>,
>;
/// Represents the cached precomputation that can be performed on a G1 element
/// which enables speeding up pairing computation.
pub type G1PreparedVar = bls12::G1PreparedVar<Parameters>;
@@ -21,6 +32,11 @@ fn test() {
G1Var,
>()
.unwrap();
ark_curve_constraint_tests::curves::te_test::<
<Parameters as Bls12Parameters>::G1Parameters,
G1TEAffineVar,
>()
.unwrap();
ark_curve_constraint_tests::curves::sw_test::<
<Parameters as Bls12Parameters>::G2Parameters,
G2Var,