blob: 8ae06b4928403bf5219193a54bd1a5f8206625df (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
-- Prosody IM
-- Copyright (C) 2008-2014 Matthew Wild
-- Copyright (C) 2008-2014 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local ok, crand = pcall(require, "util.crand");
if ok then return crand; end
local urandom, urandom_err = io.open("/dev/urandom", "r");
local function bytes(n)
local data, err = urandom:read(n);
if not data then
error("Unable to retrieve data from secure random number generator (/dev/urandom): "..err);
end
return data;
end
if not urandom then
function bytes()
error("Unable to obtain a secure random number generator, please see https://prosody.im/doc/random ("..urandom_err..")");
end
end
return {
bytes = bytes;
_source = "/dev/urandom";
};
|
