What is a digital signature

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Question 1 List three approaches to message authentication.

Question 2 What is a message authentication code?

Question 3 What is a digital signature?

Question 4 What properties must a hash function have to be useful for message authentication?

Question 5 In the context of a hash function, what is a compression function?

Question 6 What are the principal ingredients of a public-key cryptosystem?

Question 7 List and briefly define three uses of a public-key cryptosystem.

Question 8 What is the difference between a private key and a secret key?

Reference no: EM132448230

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