From 868d614020213b487e6e6169fb464765725b290d Mon Sep 17 00:00:00 2001
From: Aaron Feickert <66188213+AaronFeickert@users.noreply.github.com>
Date: Sun, 19 Jan 2025 10:54:30 -0600
Subject: [PATCH] Support zeroizing for `SubgroupPoint` (#682)

---
 curve25519-dalek/src/edwards.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/curve25519-dalek/src/edwards.rs b/curve25519-dalek/src/edwards.rs
index 811764b..d6672bd 100644
--- a/curve25519-dalek/src/edwards.rs
+++ b/curve25519-dalek/src/edwards.rs
@@ -1532,6 +1532,13 @@ impl ConditionallySelectable for SubgroupPoint {
     }
 }
 
+#[cfg(all(feature = "group", feature = "zeroize"))]
+impl Zeroize for SubgroupPoint {
+    fn zeroize(&mut self) {
+        self.0.zeroize();
+    }
+}
+
 #[cfg(feature = "group")]
 impl group::Group for SubgroupPoint {
     type Scalar = Scalar;