Encryption is a process of transforming readable data into an unreadable format called ciphertext. The purpose of encryption is to protect information from unauthorized access and use.

There are two main types of encryption: symmetric key encryption and public key encryption. Symmetric key encryption uses a single key to encrypt and decrypt data. Public key encryption uses two keys: a public key and a private key. The public key can be used to encrypt data, while the private key can be used to decrypt data.

Encryption is used in a variety of applications, including email, file sharing, and secure communications.…