Question

To protect against an intentional integrity attack, we need to use the following message integrity control(s): (choose all that apply)

a. Digital
b. Signature
c. HMAC
d. CBC-MAC

Answer 1

Answer:

The answer is "Option c"

Explanation:

The HMAC is a method, which is used in hidden hash and measure the message authentication codes. It is a notification that can be checked by using HMAC. It also provides the authenticity and legitimacy by using HashAlgorithm key and a case, and other choices were wrong that is described as follows:

• The Option a and Option b, both options are connected, which is used in verification, that's why it is wrong.

• In option d, The CBC-MAC is used in message authentication, that's why it is wrong.