Initial commit

ed_on_bls12_377/src/fields/fq.rs

@@ -0,0 +1 @@
+pub use ark_bls12_377::{Fr as Fq, FrParameters as FqParameters};

ed_on_bls12_377/src/fields/fr.rs

@@ -0,0 +1,78 @@
+use ark_ff::{
+    biginteger::BigInteger256 as BigInteger,
+    fields::{FftParameters, Fp256, Fp256Parameters, FpParameters},
+};
+
+pub type Fr = Fp256<FrParameters>;
+
+pub struct FrParameters;
+
+impl Fp256Parameters for FrParameters {}
+impl FftParameters for FrParameters {
+    type BigInt = BigInteger;
+
+    const TWO_ADICITY: u32 = 1;
+
+    #[rustfmt::skip]
+    const TWO_ADIC_ROOT_OF_UNITY: BigInteger = BigInteger([
+        15170730761708361161u64,
+        13670723686578117817u64,
+        12803492266614043665u64,
+        50861023252832611u64,
+    ]);
+}
+impl FpParameters for FrParameters {
+    /// MODULUS = 2111115437357092606062206234695386632838870926408408195193685246394721360383
+    #[rustfmt::skip]
+    const MODULUS: BigInteger = BigInteger([
+        13356249993388743167u64,
+        5950279507993463550u64,
+        10965441865914903552u64,
+        336320092672043349u64,
+    ]);
+
+    const MODULUS_BITS: u32 = 251;
+
+    const CAPACITY: u32 = Self::MODULUS_BITS - 1;
+
+    const REPR_SHAVE_BITS: u32 = 5;
+
+    #[rustfmt::skip]
+    const R: BigInteger = BigInteger([
+        16632263305389933622u64,
+        10726299895124897348u64,
+        16608693673010411502u64,
+        285459069419210737u64,
+    ]);
+
+    #[rustfmt::skip]
+    const R2: BigInteger = BigInteger([
+        3987543627614508126u64,
+        17742427666091596403u64,
+        14557327917022607905u64,
+        322810149704226881u64,
+    ]);
+
+    const INV: u64 = 9659935179256617473u64;
+
+    // 70865795004005329077606947863872807680085016823885970091001235374859923341923
+    #[rustfmt::skip]
+    const GENERATOR: BigInteger = BigInteger([
+        11289572479685143826u64,
+        11383637369941080925u64,
+        2288212753973340071u64,
+        82014976407880291u64,
+    ]);
+
+    #[rustfmt::skip]
+    const MODULUS_MINUS_ONE_DIV_TWO: BigInteger = BigInteger([
+        6678124996694371583u64,
+        2975139753996731775u64,
+        14706092969812227584u64,
+        168160046336021674u64,
+    ]);
+
+    const T: BigInteger = BigInteger([0x0, 0x0, 0x0, 0x0]);
+
+    const T_MINUS_ONE_DIV_TWO: BigInteger = BigInteger([0x0, 0x0, 0x0, 0x0]);
+}

ed_on_bls12_377/src/fields/mod.rs

@@ -0,0 +1,8 @@
+pub mod fq;
+pub mod fr;
+
+pub use fq::*;
+pub use fr::*;
+
+#[cfg(all(feature = "ed_on_bls12_377", test))]
+mod tests;

ed_on_bls12_377/src/fields/tests.rs

@@ -0,0 +1,24 @@
+use ark_ff::test_rng;
+use rand::Rng;
+
+use crate::{Fq, Fr};
+
+use ark_curve_tests::fields::*;
+
+#[test]
+fn test_fr() {
+    let mut rng = test_rng();
+    let a: Fr = rng.gen();
+    let b: Fr = rng.gen();
+    field_test(a, b);
+    primefield_test::<Fr>();
+}
+
+#[test]
+fn test_fq() {
+    let mut rng = test_rng();
+    let a: Fq = rng.gen();
+    let b: Fq = rng.gen();
+    field_test(a, b);
+    primefield_test::<Fq>();
+}