Merge branch 'feature/154-defaults' into develop

src/curve_models/mod.rs

@@ -212,12 +212,6 @@ impl Identity for ProjectivePoint {
     }
 }
 
-impl Default for ProjectivePoint {
-    fn default() -> ProjectivePoint {
-        ProjectivePoint::identity()
-    }
-}
-
 impl Identity for ProjectiveNielsPoint {
     fn identity() -> ProjectiveNielsPoint {
         ProjectiveNielsPoint{

src/edwards.rs

@@ -260,6 +260,12 @@ impl Identity for CompressedEdwardsY {
     }
 }
 
+impl Default for CompressedEdwardsY {
+    fn default() -> CompressedEdwardsY {
+        CompressedEdwardsY::identity()
+    }
+}
+
 impl Identity for EdwardsPoint {
     fn identity() -> EdwardsPoint {
         EdwardsPoint{ X: FieldElement::zero(),
@@ -269,6 +275,12 @@ impl Identity for EdwardsPoint {
     }
 }
 
+impl Default for EdwardsPoint {
+    fn default() -> EdwardsPoint {
+        EdwardsPoint::identity()
+    }
+}
+
 // ------------------------------------------------------------------------
 // Validity checks (for debugging, not CT)
 // ------------------------------------------------------------------------

src/montgomery.rs

@@ -155,6 +155,12 @@ impl Identity for ProjectivePoint {
     }
 }
 
+impl Default for ProjectivePoint {
+    fn default() -> ProjectivePoint {
+        ProjectivePoint::identity()
+    }
+}
+
 impl ConditionallyAssignable for ProjectivePoint {
     fn conditional_assign(&mut self, that: &ProjectivePoint, choice: Choice) {
         self.U.conditional_assign(&that.U, choice);

src/ristretto.rs

@@ -281,6 +281,12 @@ impl Identity for CompressedRistretto {
     }
 }
 
+impl Default for CompressedRistretto {
+    fn default() -> CompressedRistretto {
+        CompressedRistretto::identity()
+    }
+}
+
 // ------------------------------------------------------------------------
 // Serde support
 // ------------------------------------------------------------------------
@@ -663,6 +669,12 @@ impl Identity for RistrettoPoint {
     }
 }
 
+impl Default for RistrettoPoint {
+    fn default() -> RistrettoPoint {
+        RistrettoPoint::identity()
+    }
+}
+
 // ------------------------------------------------------------------------
 // Equality
 // ------------------------------------------------------------------------