Alice sends an e-mail that she encrypts with a shared key,which only she and Bob have.Upon receipt Bob decrypts the email and reads it.This application of encryption is an example of
A)Confidentiality
B)Integrity
C)Authentication
D)Nonrepudiation

Question

Quizplus · Accepted Answer

By encrypting the email with a shared key, Alice has ensured that only she and Bob can read the content of the email. This ensures confidentiality of the message, as no one else can understand the encrypted message without the key.

Alice Sends an E-Mail That She Encrypts with a Shared