From ffffc4bfebce693401e3c261f39ed2f339751c3e Mon Sep 17 00:00:00 2001
From: Erik van Velzen <erik@evanv.nl>
Date: Thu, 21 Jun 2018 17:02:01 +0200
Subject: [PATCH] Allow 640 as key file permisions

---
 src/CryptKey.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CryptKey.php b/src/CryptKey.php
index efc5f5e8..98b53222 100644
--- a/src/CryptKey.php
+++ b/src/CryptKey.php
@@ -48,7 +48,7 @@ class CryptKey
         if ($keyPermissionsCheck === true) {
             // Verify the permissions of the key
             $keyPathPerms = decoct(fileperms($keyPath) & 0777);
-            if (in_array($keyPathPerms, ['400', '440', '600', '660'], true) === false) {
+            if (in_array($keyPathPerms, ['400', '440', '600', '640', '660'], true) === false) {
                 trigger_error(sprintf(
                     'Key file "%s" permissions are not correct, recommend changing to 600 or 660 instead of %s',
                     $keyPath,