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util/random.lua @ 8018:9545d0a9401f
mod_storage_internal: Separate driver from keyval implementation
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 31 Mar 2017 17:34:33 +0200 |
parent | 7187:3d2c2f0809ee |
child | 8241:e7496cff1215 |
child | 8242:177873dc9cf3 |
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-- 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 seed() end local function bytes(n) return urandom:read(n); 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 { seed = seed; bytes = bytes; };