mbam-keygen.js

var crypto = require('crypto')
var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'

function nextRand (lower, upper) {
  'use strict'
  return Math.floor(Math.random() * (upper - lower + 1) + lower)
}

function generateId () {
  'use strict'
  var rounds = [
    alphabet[nextRand(0, 31)],
    alphabet[nextRand(0, 31)],
    alphabet[nextRand(0, 31)],
    alphabet[nextRand(0, 31)],
    alphabet[nextRand(0, 31)]
  ]
  return rounds.join('')
}

function generateKey (id) {
  'use strict'
  var hash = crypto.createHash('md5')
  hash = hash.update(id)
  hash = hash.digest('hex')
  hash = hash.replace('-', '')
  hash = hash.toLowerCase()
  var i, num, next, key = ''
  for (i = 0; i < 32; i += 2) {
    num = hash[i].concat(hash[i + 1])
    next = parseInt(num, 16) & 31
    if (i % 8 === 0 && i > 0) {
      key += '-'
    }
    key += alphabet[next]
  }
  return key
}

function keygen () {
  'use strict'
  var id = generateId()
  var key = generateKey(id)
  console.log('ID: ' + id)
  console.log('Key: ' + key)
}

keygen()