Random Base32 encoded strings

b32rand.js

var b32 = require('thirty-two');
var crypto = require('crypto');


module.exports.randomStr = function(bits) {
  bits = (typeof bits === 'number' && bits >= 80) ? bits : 128;
  var randb32 = b32.encode(
    crypto.randomBytes(Math.ceil(bits / 8))).toString('utf8');
  var idx = randb32.indexOf('=');
  return randb32.substr(0, idx > 0 ? idx : randb32.length);
};