For excessively paranoid client authentication.
Updated Apr 5 2019:
because this is a gist from 2011 that people stumble into and maybe you should AES instead of 3DES in the year of our lord 2019.
some other notes:
#include <stdio.h> | |
#include <stdlib.h> | |
#include <sys/time.h> | |
#include <sys/resource.h> | |
double get_time() | |
{ | |
struct timeval t; | |
struct timezone tzp; | |
gettimeofday(&t, &tzp); |
local random = math.random | |
local function uuid() | |
local template ='xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx' | |
return string.gsub(template, '[xy]', function (c) | |
local v = (c == 'x') and random(0, 0xf) or random(8, 0xb) | |
return string.format('%x', v) | |
end) | |
end |
-- | |
-- Reverses an ipairs table | |
-- | |
--local r = ReverseTable({'a', 'b', 'c'}) | |
--for k, v in ipairs(r) do | |
-- print(k, v) | |
--end | |
-- | |
-- | |
function ReverseTable(t) |