Encryption

Symmetric encryption is like two people having identical keys to a house. In fact, the term key is used to refer to the password. It is foolish to give the key to your house to anyone who wants to deliver a package. Keep in mind that the point of encryption is to prevent those not involved in the transaction from seeing what is in the box. So, what do you do with the box? You can’t leave it outside and you can’t give away your key to strangers. Enter asymmetric encryption. Let’s build a foyer that is locked both at the front door and internally to the rest of the house. The public key gets the package into the house and away from prying eyes. The private key that only you hold gets the box into your house. To put this analogy back in techn....