List three approaches to message authentication

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Reference no: EM132573477

Question 1. List three approaches to message authentication.

Question 2. What is a message authentication code?

Question 3. What properties must a hash function have to be useful for message authentication?

Question 4. In the context of a hash function, what is a compression function?

Question 5. What are the principal ingredients of a public-key cryptosystem?

Question 6. List and briefly define three uses of a public-key cryptosystem.

Question 7. What is the difference between a private key and a secret key?

Question 8. What is a digital signature?

Reference no: EM132573477

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