Encryption is a technique used to protect data or communication from unauthorized access. In computer terms, encryption is the process of transforming readable data into an unreadable format called ciphertext. The ciphertext can only be read if the original data is decrypted using a special key or password.

Encryption is used in a variety of applications, including email, file storage, and communication. In order to encrypt data, a password or key is needed to unlock it. This password or key is known as the encryption key. The encryption key is used to decrypt the data and turn it back into …