From ea8bb3a6e4c807e69bd409ee44894817ea007267 Mon Sep 17 00:00:00 2001
From: nworbnhoj <nworbnhoj@users.noreply.github.com>
Date: Wed, 9 Mar 2022 20:17:35 +1100
Subject: [PATCH] impl Identity for MontgomeryPoint

---
 src/montgomery.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/montgomery.rs b/src/montgomery.rs
index e4e69cf..2389c5e 100644
--- a/src/montgomery.rs
+++ b/src/montgomery.rs
@@ -98,6 +98,13 @@ impl PartialEq for MontgomeryPoint {
 
 impl Eq for MontgomeryPoint {}
 
+impl Identity for MontgomeryPoint {
+    /// Return the group identity element, which has order 4.
+    fn identity() -> MontgomeryPoint {
+        MontgomeryPoint([0u8; 32])
+    }
+}
+
 impl Zeroize for MontgomeryPoint {
     fn zeroize(&mut self) {
         self.0.zeroize();