From 23a25faccf6f82e1de467a1dc5711dde1b83d939 Mon Sep 17 00:00:00 2001
From: Pratyush Mishra <pratyushmishra@berkeley.edu>
Date: Sun, 29 Nov 2020 18:56:01 -0800
Subject: [PATCH] Update `ed_on_bls12_377`

---
 ed_on_bls12_377/src/curves/mod.rs | 57 +++++++------------------------
 1 file changed, 12 insertions(+), 45 deletions(-)

diff --git a/ed_on_bls12_377/src/curves/mod.rs b/ed_on_bls12_377/src/curves/mod.rs
index 0f66ac2..b236b8e 100644
--- a/ed_on_bls12_377/src/curves/mod.rs
+++ b/ed_on_bls12_377/src/curves/mod.rs
@@ -3,7 +3,7 @@ use ark_ec::{
     models::{ModelParameters, MontgomeryModelParameters, TEModelParameters},
     twisted_edwards_extended::{GroupAffine, GroupProjective},
 };
-use ark_ff::{biginteger::BigInteger256, field_new};
+use ark_ff::field_new;
 
 #[cfg(test)]
 mod tests;
@@ -22,21 +22,11 @@ impl ModelParameters for EdwardsParameters {
 impl TEModelParameters for EdwardsParameters {
     /// COEFF_A = -1
     #[rustfmt::skip]
-    const COEFF_A: Fq = field_new!(Fq, BigInteger256([
-        0x8cf500000000000e,
-        0xe75281ef6000000e,
-        0x49dc37a90b0ba012,
-        0x55f8b2c6e710ab9,
-    ]));
+    const COEFF_A: Fq = field_new!(Fq, "-1");
 
     /// COEFF_D = 3021
     #[rustfmt::skip]
-    const COEFF_D: Fq = field_new!(Fq, BigInteger256([
-        0xd047ffffffff5e30,
-        0xf0a91026ffff57d2,
-        0x9013f560d102582,
-        0x9fd242ca7be5700,
-    ]));
+    const COEFF_D: Fq = field_new!(Fq, "3021");
 
     /// COFACTOR = 4
     const COFACTOR: &'static [u64] = &[4];
@@ -44,12 +34,7 @@ impl TEModelParameters for EdwardsParameters {
     /// COFACTOR_INV =
     /// 527778859339273151515551558673846658209717731602102048798421311598680340096
     #[rustfmt::skip]
-    const COFACTOR_INV: Fr = field_new!(Fr, BigInteger256([
-        10836190823041854989,
-        14880086764632731920,
-        5023208332782666747,
-        239524813690824359,
-    ]));
+    const COFACTOR_INV: Fr = field_new!(Fr, "527778859339273151515551558673846658209717731602102048798421311598680340096");
 
     /// Generated randomly
     const AFFINE_GENERATOR_COEFFS: (Self::BaseField, Self::BaseField) = (GENERATOR_X, GENERATOR_Y);
@@ -66,41 +51,23 @@ impl TEModelParameters for EdwardsParameters {
 
 impl MontgomeryModelParameters for EdwardsParameters {
     /// COEFF_A = 0x8D26E3FADA9010A26949031ECE3971B93952AD84D4753DDEDB748DA37E8F552
+    ///         = 3990301581132929505568273333084066329187552697088022219156688740916631500114
     #[rustfmt::skip]
-    const COEFF_A: Fq = field_new!(Fq, BigInteger256([
-        13800168384327121454u64,
-        6841573379969807446u64,
-        12529593083398462246u64,
-        853978956621483129u64,
-    ]));
+    const COEFF_A: Fq = field_new!(Fq, "3990301581132929505568273333084066329187552697088022219156688740916631500114");
     /// COEFF_B = 0x9D8F71EEC83A44C3A1FBCEC6F5418E5C6154C2682B8AC231C5A3725C8170AAD
+    ///         = 4454160168295440918680551605697480202188346638066041608778544715000777738925
     #[rustfmt::skip]
-    const COEFF_B: Fq = field_new!(Fq, BigInteger256([
-        7239382437352637935u64,
-        14509846070439283655u64,
-        5083066350480839936u64,
-        1265663645916442191u64,
-    ]));
+    const COEFF_B: Fq = field_new!(Fq, "4454160168295440918680551605697480202188346638066041608778544715000777738925");
 
     type TEModelParameters = EdwardsParameters;
 }
 
 /// GENERATOR_X =
-/// 7810607721416582242904415504650443951498042435501746664987470571546413371306
+/// 4497879464030519973909970603271755437257548612157028181994697785683032656389,
 #[rustfmt::skip]
-const GENERATOR_X: Fq = field_new!(Fq, BigInteger256([
-    0x5bbc9878d817221d,
-    0xd2b03489424e720,
-    0x6b66f128c16bb3c9,
-    0xdd3bff78733576d,
-]));
+const GENERATOR_X: Fq = field_new!(Fq, "4497879464030519973909970603271755437257548612157028181994697785683032656389");
 
 /// GENERATOR_Y =
-/// 1867362672570137759132108893390349941423731440336755218616442213142473202417
+/// 4357141146396347889246900916607623952598927460421559113092863576544024487809
 #[rustfmt::skip]
-const GENERATOR_Y: Fq = field_new!(Fq, BigInteger256([
-    0x471517ae5e5e979e,
-    0xd9c97f6a73a7ff83,
-    0x85a95b45a5494402,
-    0xfad27c9b545b1f0,
-]));
+const GENERATOR_Y: Fq = field_new!(Fq, "4357141146396347889246900916607623952598927460421559113092863576544024487809");