From 7d4e9162e6879a0325db23f636c22f072c302041 Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Wed, 9 Jun 2021 13:20:35 -0700
Subject: [PATCH] elliptic-curve: derive `Copy` on `PublicKey` (#666)

The new trait bounds on `AffineArithmetic` ensure that `AffinePoint` is
always `Copy`. So the previously imposed trait bounds prevent `Copy`
impls which should be available by default.
---
 elliptic-curve/src/public_key.rs | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/elliptic-curve/src/public_key.rs b/elliptic-curve/src/public_key.rs
index 85c6581c2..281dcf902 100644
--- a/elliptic-curve/src/public_key.rs
+++ b/elliptic-curve/src/public_key.rs
@@ -59,7 +59,7 @@ use alloc::string::{String, ToString};
 /// When the `pem` feature of this crate (or a specific RustCrypto elliptic
 /// curve crate) is enabled, a [`FromStr`] impl is also available.
 #[cfg_attr(docsrs, doc(cfg(feature = "arithmetic")))]
-#[derive(Clone, Debug)]
+#[derive(Copy, Clone, Debug)]
 pub struct PublicKey<C>
 where
     C: Curve + ProjectiveArithmetic,
@@ -260,14 +260,6 @@ where
     }
 }
 
-impl<C> Copy for PublicKey<C>
-where
-    C: Curve + ProjectiveArithmetic,
-
-    AffinePoint<C>: Copy + Clone + Debug,
-{
-}
-
 impl<C> Eq for PublicKey<C>
 where
     C: Curve + ProjectiveArithmetic,