Message authentication code

1 What is a message authentication code?

2 What is the difference between a message authentication code and a one-way hash function?

3 In what ways can a hash value be secured so as to provide message authentication?

4 Is it necessary to recover the secret key in order to attack a MAC algorithm?

5 What changes in HMAC are required in order to replace one underlying hash function with another?


Looking for help with your homework?
Grab a 30% Discount and Get your paper done!

30% OFF
Turnitin Report
Title Page
Place an Order

Calculate your paper price
Pages (550 words)
Approximate price: -