From a34a4edac586c8f425daba605fd2b1604ef8ae90 Mon Sep 17 00:00:00 2001
From: terrafrost <terrafrost@php.net>
Date: Sat, 28 Sep 2019 12:57:33 -0500
Subject: [PATCH] SSH2: arcfour128 / arcfour256 was being included twice

---
 phpseclib/Net/SSH2.php | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index ce135152..ae53fbed 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -4598,10 +4598,7 @@ class Net_SSH2
                 switch ($algo) {
                     case 'arcfour128':
                     case 'arcfour256':
-                        if ($engine == CRYPT_ENGINE_INTERNAL) {
-                            $algos = array_diff($algos, array($algo));
-                            $ciphers[] = $algo;
-                        } else {
+                        if ($engine != CRYPT_ENGINE_INTERNAL) {
                             continue 2;
                         }
                 }