Add simple __eq__ method for comparing two Curve objects

tests/test_curve.py

@@ -1,5 +1,4 @@
 import pytest
-
 from umbral.curve import Curve, SECP256R1, SECP256K1, SECP384R1
 
 

umbral/curve.py

@@ -33,6 +33,9 @@ class Curve:
     def supported_curves(self):
         return self.__AVAIL_CURVES
 
+    def __eq__(self, other):
+        return self.curve_nid == other.curve_nid
+
 
 class SECP256R1(Curve):
     """