More NIST curves (#142)

Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>

secp384r1/src/constraints/curves.rs

@@ -0,0 +1,10 @@
+use crate::{constraints::FqVar, *};
+use ark_r1cs_std::groups::curves::short_weierstrass::ProjectiveVar;
+
+/// A group element in the secp384r1 curve.
+pub type GVar = ProjectiveVar<Config, FqVar>;
+
+#[test]
+fn test() {
+    ark_curve_constraint_tests::curves::sw_test::<Config, GVar>().unwrap();
+}

secp384r1/src/constraints/fields.rs

@@ -0,0 +1,11 @@
+use ark_r1cs_std::fields::fp::FpVar;
+
+use crate::fq::Fq;
+
+/// A variable that is the R1CS equivalent of `crate::Fq`.
+pub type FqVar = FpVar<Fq>;
+
+#[test]
+fn test() {
+    ark_curve_constraint_tests::fields::field_test::<_, _, FqVar>().unwrap();
+}

secp384r1/src/constraints/mod.rs

@@ -0,0 +1,7 @@
+//! This module implements the R1CS equivalent of `ark_secp384r1`.
+
+mod curves;
+mod fields;
+
+pub use curves::*;
+pub use fields::*;