crypto-test.js

#!/usr/bin/env node

console.log("output string 'test' encrypted");

var crypto = require('crypto');

function md5(str) {
  var hash = crypto.createHash('md5');
  hash = hash.update(str);
  hash = hash.digest('hex');
  return hash;
}

console.log(md5('test'));

// console.log(require('crypto').createHash('md5').update('test').digest('hex'));