nodejs encrypt / decrypt

gistfile1.js

var fs = require('fs'),
    crypto = require('crypto'),
    algorithm = 'aes-256-ctr',
    password = 'd6F3Efeq',
    payload = {
    "id": "12345",
    "description": "description",
    "location": "123 street",
    "userIdentity": {
        "phoneNumber": "5550000000",
        "pin": "0000000"
    },
    "amount": {
        "amount": ".001",
        "currency": ""
    }
    },
    clientkey = fs.readFileSync('./key.pem');

var text = crypto.createHash('sha1').update(payload + clientkey, 'utf8').digest('hex')

function encrypt(text){
  var cipher = crypto.createCipher(algorithm,password)
  var crypted = cipher.update(JSON.stringify(payload)+clientkey,'utf8','hex')
  crypted += cipher.final('hex');
  console.log('<encrypted to>  \n\n', crypted +'\n\n');

  return crypted;
}

function decrypt(text){
  var decipher = crypto.createDecipher(algorithm,password)
  var dec = decipher.update(text,'hex','utf8')
  dec += decipher.final('utf8');
  return dec;
}

var encryptedValue = encrypt(text)
console.log('<decrypted to> \n\n',decrypt(encryptedValue));