prosody
f81488951f81
net/stun.lua

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net/stun.lua @ 12359:f81488951f81

net.stun: Use util.strbitop Improves performance since the whole procedure is done in C
author Kim Alvefur <zash@zash.se>
date Fri, 04 Mar 2022 16:55:32 +0100
parent 12356:0f77e28df5c8
child 12360:0801db678f5e
comparison
equal deleted inserted replaced
12358:d77d8fba44ad 12359:f81488951f81
1 local base64 = require "util.encodings".base64; 1 local base64 = require "util.encodings".base64;
2 local hashes = require "util.hashes"; 2 local hashes = require "util.hashes";
3 local net = require "util.net"; 3 local net = require "util.net";
4 local random = require "util.random"; 4 local random = require "util.random";
5 local struct = require "util.struct"; 5 local struct = require "util.struct";
6 6 local sxor = require"util.strbitop".sxor;
7 --- Private helpers
8
9 -- XORs a string with another string
10 local function sxor(x, y)
11 local r = {};
12 for i = 1, #x do
13 r[i] = string.char(bit32.bxor(x:byte(i), y:byte(i)));
14 end
15 return table.concat(r);
16 end
17 7
18 --- Public helpers 8 --- Public helpers
19 9
20 -- Following draft-uberti-behave-turn-rest-00, convert a 'secret' string 10 -- Following draft-uberti-behave-turn-rest-00, convert a 'secret' string
21 -- into a username/password pair that can be used to auth to a TURN server 11 -- into a username/password pair that can be used to auth to a TURN server