NA2 V – Computer science

Question

Hello Please send in two separate word documents

Sub: Cybersecurity Planning

1.In 500 words, 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.

Use at least three sources. Use the(https://libguides.nec.edu/az.php)not Google. Include at least 3 quotes from your sources enclosed in quotation marks and cited in-line by reference to your reference list. Example: “words you copied” (citation) These quotes should be one full sentence not altered or paraphrased. Cite your sources using APA format. Use the quotes in your paragaphs. Stand alone quotes will not count toward the 3 required quotes. Copying without attribution or the use of spinbot or other word substitution software will result in a grade of 0.

Sub: 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?

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