Question: Problem 2 : 2 0 % ] 1 . 2 . 3 . 4 . What is the difference between message authentication code and a

Problem 2: 20%]
1.2.3.4. What is the difference between message authentication code and a one-way hash function?
Describe three ways to secure a hash function to provide message authentication.
Provide at least three approaches to provide message authentication.
What is a message authentication code?

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