From 4bba214b2a90b333b8cf0cd4a1797091b8b167d4 Mon Sep 17 00:00:00 2001
From: Aaron Feickert <66188213+AaronFeickert@users.noreply.github.com>
Date: Fri, 2 Aug 2024 17:04:16 -0500
Subject: [PATCH] Support zeroizing for `SubgroupPoint`

---
 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 53ad4fef..2c87d79f 100644
--- a/curve25519-dalek/src/edwards.rs
+++ b/curve25519-dalek/src/edwards.rs
@@ -1524,6 +1524,13 @@ 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;