Encryption and Signing
Encryption is the process of transforming data in plain text and making it unreadable to all except those who are meant to read the data, with the goal of confidentiality. Signing, or more specifically digital signing, is the process by which a digital signature is created to demonstrate the authenticity and integrity of data. A valid signature gives the recipient the confidence that the data received is indeed from the correct sender and that the data is not tampered with in any way during transit.
For example, let’s say I want to send a confidential message exclusively to Alice. I encrypt the message so that ...