From 3c6b3b7ffd256df19c39b0f4aa0bb28badd08aaa Mon Sep 17 00:00:00 2001
From: Paragon Initiative Enterprises <security@paragonie.com>
Date: Fri, 9 Jun 2017 18:35:18 -0400
Subject: [PATCH] Regression, breaks PHP < 5.5.

---
 src/Core/Util.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/Core/Util.php b/src/Core/Util.php
index cb3e2716..1cb56125 100644
--- a/src/Core/Util.php
+++ b/src/Core/Util.php
@@ -167,8 +167,7 @@ public static function hashEquals($left, $right)
             $d |= self::chrToInt($left[$i]) ^ self::chrToInt($right[$i]);
         }
 
-        /* branch-free variant of === 0 */
-        if (-(1 & (($d - 1) >> 8))) {
+        if ($d !== 0) {
             return false;
         }
         return $left === $right;