From 854bc2b62bc4bb33ba051358fc29e7b7cee1cb00 Mon Sep 17 00:00:00 2001
From: Marco <marco1@live.de>
Date: Sun, 23 Jul 2017 23:18:28 +0200
Subject: [PATCH] Swap positions of hyphen and underscore characters in
 URL-safe Base64

This ensures compatibility with RFC 4648 and the example from the
appendix of RFC 7515, aside from the padding character that is used.
---
 src/Base64.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Base64.php b/src/Base64.php
index 7abce3d..a90a825 100644
--- a/src/Base64.php
+++ b/src/Base64.php
@@ -11,7 +11,7 @@ namespace Delight\Auth;
 final class Base64 {
 
 	const SPECIAL_CHARS_ORIGINAL = '+/=';
-	const SPECIAL_CHARS_SAFE = '_-~';
+	const SPECIAL_CHARS_SAFE = '-_~';
 
 	public static function encode($data, $safeChars = false) {
 		$result = base64_encode($data);