From 94ec607d4c3ba5d0c44af69324ba0d4ed3e7a192 Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Tue, 10 Dec 2019 15:20:01 +0100
Subject: [PATCH] refactor: freeze the key's x5c array

---
 lib/jwk/key/base.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/jwk/key/base.js b/lib/jwk/key/base.js
index bfad0126..15b8c817 100644
--- a/lib/jwk/key/base.js
+++ b/lib/jwk/key/base.js
@@ -57,6 +57,9 @@ class Key {
         throw new TypeError('`x5c` must be an array of one or more PKIX certificates when provided')
       }
 
+      x5c = [...x5c]
+      Object.freeze(x5c)
+
       x5c.forEach((cert, i) => {
         let publicKey
         try {