Please provide below questions in separate document…..
1.Network security :
- 3.1 List three approaches to message authentication.
- 3.2 What is a message authentication code?
- 3.4 What properties must a hash function have to be useful for message authentication?
- 3.5 In the context of a hash function, what is a compression function?
- 3.6 What are the principal ingredients of a public key cryptosystem?
- 3.7 List and briefly define three uses of a public-key cryptosystem.
- 3.8 What is the difference between a private key and a secret key?
- 3.9 What is a digital signature?
If you were asked by your employer to develop a new Information Security Policy, where would you turn to find resources to build this policy? List the two most important items you would include in this new policy and explain why you felt these were most important.
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