From 859ca00b5aa525801f6a7aae678a61c2bd394ab1 Mon Sep 17 00:00:00 2001
From: Justus Winter <justuswinter@gmx.de>
Date: Wed, 15 Sep 2021 23:36:50 +0200
Subject: [PATCH] twofish: Derive Clone for Twofish. (#287)

This aligns Twofish with AES.  Among other things, it allows its use
with EAX with requires Clone.

Co-authored-by: Justus Winter <teythoon@avior.uberspace.de>
---
 twofish/src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/twofish/src/lib.rs b/twofish/src/lib.rs
index c35a4b24..e99f279c 100644
--- a/twofish/src/lib.rs
+++ b/twofish/src/lib.rs
@@ -25,6 +25,7 @@ use crate::consts::{MDS_POLY, QBOX, QORD, RS, RS_POLY};
 type Block = GenericArray<u8, U16>;
 
 /// Twofish block cipher
+#[derive(Clone)]
 pub struct Twofish {
     s: [u8; 16],  // S-box key
     k: [u32; 40], // Subkeys