prosody
9734231a569f
util/hmac.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Comparison

util/hmac.lua @ 1482:9734231a569f

util.hmac: Some optimisations
author Matthew Wild <mwild1@gmail.com>
date Sun, 05 Jul 2009 17:10:42 +0100
parent 1481:6401460891b2
child 1516:4c9bd0527d1d
comparison
equal deleted inserted replaced
1481:6401460891b2 1482:9734231a569f
1 local hashes = require "util.hashes" 1 local hashes = require "util.hashes"
2 local xor = require "bit".bxor 2 local xor = require "bit".bxor
3
4 local t_insert, t_concat = table.insert, table.concat;
5 local s_char = string.char;
3 6
4 module "hmac" 7 module "hmac"
5 8
6 local function arraystr(array) 9 local function arraystr(array)
7 local t = {} 10 local t = {}
8 for i = 1,table.getn(array) do 11 for i = 1,#array do
9 table.insert(t, string.char(array[i])) 12 t_insert(t, s_char(array[i]))
10 end 13 end
11 14
12 return table.concat(t) 15 return t_concat(t)
13 end 16 end
14 17
15 --[[ 18 --[[
16 key 19 key
17 the key to use in the hash 20 the key to use in the hash