prosody
ac920b0f9eae
util/random.lua

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util/random.lua @ 7083:ac920b0f9eae

util.random: Open /dev/urandom read-only, make seed() a noop
author Kim Alvefur <zash@zash.se>
date Tue, 12 Jan 2016 23:48:16 +0100
parent 7050:ae044691de0f
child 7114:51cf09bb74eb
comparison
equal deleted inserted replaced
7082:8b590fc77d91 7083:ac920b0f9eae
4 -- 4 --
5 -- This project is MIT/X11 licensed. Please see the 5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information. 6 -- COPYING file in the source package for more information.
7 -- 7 --
8 8
9 local urandom = assert(io.open("/dev/urandom", "r+")); 9 local urandom = assert(io.open("/dev/urandom", "r"));
10 10
11 local function seed(x) 11 local function seed()
12 urandom:write(x);
13 urandom:flush();
14 end 12 end
15 13
16 local function bytes(n) 14 local function bytes(n)
17 return urandom:read(n); 15 return urandom:read(n);
18 end 16 end