From 0b966714b6984d9cd9b68bb04a5c49671fb90c17 Mon Sep 17 00:00:00 2001
From: Didactic Drunk <1479616+didactic-drunk@users.noreply.github.com>
Date: Wed, 16 Jun 2021 15:17:14 -0700
Subject: [PATCH] Stateful: Keep state with #dup

---
 src/crypto-secret/stateful.cr | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/crypto-secret/stateful.cr b/src/crypto-secret/stateful.cr
index c552645..c8aeeb4 100644
--- a/src/crypto-secret/stateful.cr
+++ b/src/crypto-secret/stateful.cr
@@ -105,6 +105,12 @@ module Crypto::Secret
       @state = State::Wiped
     end
 
+    def dup
+      super.tap do |obj|
+        obj.set_state @state
+      end
+    end
+
     protected abstract def readwrite_impl : Nil
     protected abstract def readonly_impl : Nil
     protected abstract def noaccess_impl : Nil