[done] Encrypter

@MGatner 
There are many reasons to encrypt things instead of hashing them. If you have sensitive data that you may want to retrieve later but will be stored outside of your application (AWS S3, a DB), you might want to encrypt it to prevent any data loss while your data is resting.  There are times where you want to encrypt something that you are sending over the web which will be decrypted by your receiver.

Think of Whatsapp. All messages are encrypted with end-to-end encryption which allows all of our chats to be invisible to the employees at facebook. Our devices have the ability to decrypt the messages.

false hope. Something like perfect encryption does not exist on the internet. Everything can be decrypted someday. If you want something private, do not put it on the Internet.