Support zeroizing for SubgroupPoint (#682)

AaronFeickert · web-flow · commit 868d61402021 · 2025-01-19T11:54:30.000-05:00
diff --git 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;

Original file line number	Diff line number	Diff line change
`@@ -1532,6 +1532,13 @@ impl ConditionallySelectable for SubgroupPoint {`
`1532`	`1532`	`}`
`1533`	`1533`	`}`
`1534`	`1534`
	`1535`	`+#[cfg(all(feature = "group", feature = "zeroize"))]`
	`1536`	`+impl Zeroize for SubgroupPoint {`
	`1537`	`+ fn zeroize(&mut self) {`
	`1538`	`+ self.0.zeroize();`
	`1539`	`+ }`
	`1540`	`+}`
	`1541`	`+`
`1535`	`1542`	`#[cfg(feature = "group")]`
`1536`	`1543`	`impl group::Group for SubgroupPoint {`
`1537`	`1544`	`type Scalar = Scalar;`