Encrypt and Decrypt text on nodejs with callbacks.

encryptor.js

 //Encrypt data, call callback when done for make sure everything is done.
 
 function EncryptText(text,key,callback) {

    console.log('Encrypting text');

		var cipher = crypto.createCipher('aes-256-cbc',key)
		var crypted = cipher.update(text,'utf8','hex')
		crypted += cipher.final('hex');

		callback(crypted);

  }
  
 //Decrypt data, call callback when done for make sure everything is done.
  
  function DecryptText(text,key,callback) {

  	console.log('Decrypting text');

		var decipher = crypto.createDecipher('aes-256-cbc',key)
		var dec = decipher.update(text,'hex','utf8')
		dec += decipher.final('utf8');
		
	  callback(dec);

  }
  
  //Calling the encrypt with callback because it may hang before finishing resulting in bad encryption.
  EncryptText(text,key,function(crypted){

		  console.log(crypted);

  });
  
  //Calling the Decrypt with callback because it may hang before finishing resulting in bad encryption.
  
  DecryptText(text,key,function(dec){

		  console.log(dec);

  });