From 1f257ecbb43ef08ae142f2b628819d327d066ee0 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Fri, 4 Mar 2022 16:55:32 +0100
Subject: net.stun: Use util.strbitop

Improves performance since the whole procedure is done in C
---
 net/stun.lua | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/net/stun.lua b/net/stun.lua
index aefc4b27..688becc3 100644
--- a/net/stun.lua
+++ b/net/stun.lua
@@ -3,17 +3,7 @@ local hashes = require "util.hashes";
 local net = require "util.net";
 local random = require "util.random";
 local struct = require "util.struct";
-
---- Private helpers
-
--- XORs a string with another string
-local function sxor(x, y)
-	local r = {};
-	for i = 1, #x do
-		r[i] = string.char(bit32.bxor(x:byte(i), y:byte(i)));
-	end
-	return table.concat(r);
-end
+local sxor = require"util.strbitop".sxor;
 
 --- Public helpers
 
-- 
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