From db15d51a901b686a5f3ba88a27b97f5453a9c0e2 Mon Sep 17 00:00:00 2001
From: maurges <git@morj.men>
Date: Thu, 11 Jun 2026 14:39:58 +0200
Subject: [PATCH] Add Zeroize impl for encoded point and scalar

Signed-off-by: maurges <git@morj.men>
---
 generic-ec/src/encoded.rs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/generic-ec/src/encoded.rs b/generic-ec/src/encoded.rs
index 8725157..deabec4 100644
--- a/generic-ec/src/encoded.rs
+++ b/generic-ec/src/encoded.rs
@@ -1,8 +1,11 @@
 use core::{fmt, ops};
 
+use zeroize::Zeroize;
+
 use crate::{as_raw::AsRaw, core::ByteArray, Curve};
 
 /// Bytes representation of an elliptic point
+#[derive(Zeroize)]
 pub struct EncodedPoint<E: Curve>(EncodedPointInner<E>);
 
 impl<E: Curve> EncodedPoint<E> {
@@ -67,6 +70,24 @@ impl<E: Curve> AsRef<[u8]> for EncodedPoint<E> {
     }
 }
 
+impl<E: Curve> AsMut<[u8]> for EncodedPoint<E> {
+    fn as_mut(&mut self) -> &mut [u8] {
+        match &mut self.0 {
+            EncodedPointInner::Compressed(a) => a.as_mut(),
+            EncodedPointInner::Uncompressed(a) => a.as_mut(),
+        }
+    }
+}
+
+impl<E: Curve> Zeroize for EncodedPointInner<E> {
+    fn zeroize(&mut self) {
+        match self {
+            EncodedPointInner::Compressed(a) => a.as_mut().zeroize(),
+            EncodedPointInner::Uncompressed(a) => a.as_mut().zeroize(),
+        }
+    }
+}
+
 /// Bytes representation of a scalar (either in big-endian or in little-endian)
 #[derive(Clone)]
 pub struct EncodedScalar<E: Curve>(E::ScalarArray);
@@ -133,3 +154,9 @@ impl<E: Curve> AsRaw for EncodedScalar<E> {
         &self.0
     }
 }
+
+impl<E: Curve> Zeroize for EncodedScalar<E> {
+    fn zeroize(&mut self) {
+        self.as_mut().zeroize()
+    }
+}