In this section, we'll have a quick overview of the most common encryption algorithms in the cryptography world. Basically, there are two types of encryption algorithms. The first one is called symmetric and the second one is called asymmetric. Now, this classification is made based on the number of needed keys and how they are operated. Let's discuss the difference between these algorithms a little bit, and we will start with the symmetric one.

Now, symmetric encryption uses one key for both the encryption and the decryption process and this key is shared on both the client and the server side. Now, the most common examples of symmetric encryption are AES, Blowfish, RC4, and Triple DES. In asymmetric encryption, we have the concept of the key pair, where we have a key called public key that is used for encryption and we have a private key that is used for decryption. Now, the key name implies that the public key can be published over the untrusted network...