From 77574384c0b2766cb28b656a1d32841c6afd869d Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Sat, 5 Jan 2019 20:14:18 +0100
Subject: [PATCH] use 32 bit compatible pack() format

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

diff --git a/src/OTP.php b/src/OTP.php
index b8385ad3..55c2f9b9 100644
--- a/src/OTP.php
+++ b/src/OTP.php
@@ -124,7 +124,7 @@ private function getDecodedSecret(): string
      */
     private function intToByteString(int $int): string
     {
-        return pack('J', $int);
+        return pack("N*", 0, $int);
     }
 
     /**