Answer:
The answer is "Non-repudiation"
Explanation:
Non-repudiation is an intent to repudiate, which provides the guarantee of something, that can't be refused in authenticity. It is a legal concept that is commonly used in information.
- This mechanism provides security and contributes to a program that shows the sources and validity of data.
- In this process when a user sends a message with a private key digitally, so the person can't deny that the message is being transmitted, that's why it is known as "Non-repudiation".