@omneedia/socketcluster/sample/node_modules/math-random/node.js

SocketCluster - A Highly parallelized WebSocket server cluster to make the most of multi-core machines/instances.

var crypto = require('crypto')
var max = Math.pow(2, 32)

module.exports = random
module.exports.cryptographic = true

function random () {
  var buf = crypto
    .randomBytes(4)
    .readUInt32BE(0)

  return buf / max
}