diff options
Diffstat (limited to 'util/random.lua')
-rw-r--r-- | util/random.lua | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/util/random.lua b/util/random.lua new file mode 100644 index 00000000..574e2e1c --- /dev/null +++ b/util/random.lua @@ -0,0 +1,30 @@ +-- 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; +}; |