Public Key Vs Private Key In Cryptography

Previously we talked about End to End Encryption, this time we will talk about Public Key vs Private Key in Cryptography. Before we start discussing their difference. We need to understand what they are and how they are used. Public and Private keys are the pair of two keys that are related to each other. These keys have a special purpose to serve, If you encrypt a packet of data with one key, that encrypted data packet can be decrypted with the other key of this pair.