Initial commit

bn254/src/curves/mod.rs

@@ -0,0 +1,82 @@
+use crate::*;
+use ark_ec::{
+    bn,
+    bn::{Bn, BnParameters, TwistType},
+};
+use ark_ff::{biginteger::BigInteger256, field_new};
+pub mod g1;
+pub mod g2;
+
+#[cfg(test)]
+mod tests;
+
+pub struct Parameters;
+
+impl BnParameters for Parameters {
+    const X: &'static [u64] = &[4965661367192848881];
+    /// `x` is positive.
+    const X_IS_NEGATIVE: bool = false;
+    const ATE_LOOP_COUNT: &'static [i8] = &[
+        0, 0, 0, 1, 0, 1, 0, -1, 0, 0, 1, -1, 0, 0, 1, 0, 0, 1, 1, 0, -1, 0, 0, 1, 0, -1, 0, 0, 0,
+        0, 1, 1, 1, 0, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 1, 0, 0, -1, 0, 0, 0, 1, 1, 0,
+        -1, 0, 0, 1, 0, 1, 1,
+    ];
+    /// `ate_loop_count` is positive.
+    const ATE_LOOP_COUNT_IS_NEGATIVE: bool = false;
+    const TWIST_MUL_BY_Q_X: Fq2 = field_new!(
+        Fq2,
+        field_new!(
+            Fq,
+            BigInteger256([
+                0xb5773b104563ab30,
+                0x347f91c8a9aa6454,
+                0x7a007127242e0991,
+                0x1956bcd8118214ec,
+            ])
+        ),
+        field_new!(
+            Fq,
+            BigInteger256([
+                0x6e849f1ea0aa4757,
+                0xaa1c7b6d89f89141,
+                0xb6e713cdfae0ca3a,
+                0x26694fbb4e82ebc3,
+            ])
+        ),
+    );
+    const TWIST_MUL_BY_Q_Y: Fq2 = field_new!(
+        Fq2,
+        field_new!(
+            Fq,
+            BigInteger256([
+                0xe4bbdd0c2936b629,
+                0xbb30f162e133bacb,
+                0x31a9d1b6f9645366,
+                0x253570bea500f8dd,
+            ])
+        ),
+        field_new!(
+            Fq,
+            BigInteger256([
+                0xa1d77ce45ffe77c7,
+                0x07affd117826d1db,
+                0x6d16bd27bb7edc6b,
+                0x2c87200285defecc,
+            ])
+        ),
+    );
+    const TWIST_TYPE: TwistType = TwistType::D;
+    type Fp = Fq;
+    type Fp2Params = Fq2Parameters;
+    type Fp6Params = Fq6Parameters;
+    type Fp12Params = Fq12Parameters;
+    type G1Parameters = g1::Parameters;
+    type G2Parameters = g2::Parameters;
+}
+
+pub type Bn254 = Bn<Parameters>;
+
+pub type G1Affine = bn::G1Affine<Parameters>;
+pub type G1Projective = bn::G1Projective<Parameters>;
+pub type G2Affine = bn::G2Affine<Parameters>;
+pub type G2Projective = bn::G2Projective<Parameters>;