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I encourage you to use Latex, but even if you don't, please type your answers or hand write nicely. Explain your argument in a brief and precise way.
1. In a symmetric cryptosystem, Alice and Bob both know the e-key and the d-key. The cryptosystem is assumed to have no weakness and Alice and Bob are the only persons that ever know the secret keys. Alice sends some message m to Bob. Is it possible for Bob to prove to a judge that he really has received m from Alice (in other words, does a symmetric cryptosystem offer non-repudiation)? Say YES or NO and give a short and clear explanation.
2. ciphertext was produced with an affine cipher. Decrypt it and explain how you did it. There are a number of software tools available on the web (for example to count the frequency of letters, to do modular arithmetic, etc.) You can use such tools but not one that automatically provides the plaintext. You can also write a short program that does brute-force search. In case you use internet tools, you need to say what tool you have used and still explain what steps you did. In case you write your own program, include the code (which should have sufficient comments).
Explain the purpose of the entity ‘Company Code'. How many company codes can an enterprise have and why?
Develop a Security Plan and Recommendation Memo to the CIO
Discuss the technology challenges of trying to integrate systems and still provide effective security.
Explain the steps you would use to diagnose, and repair if necessary, spyware on the customer's computer. Also, add how you would safeguard the children from uninvited material showing up on the internet.
Describe the implementation of Secure Sockets Layer (SSL) in support of Hypertext Transfer Protocol Secure (HTTPS). Assess how you are assured that your browser is secure. Determine if the user data truly is protected or this is a false sense of s..
suppose that the security model is required for protection of your class. Using CNSS model, examine each of the cells and write a short statement.
From the first e-Activity, analyze the industry researched for each security model would be most applicable, and explain why you believe that to be the case. Identify the security models from your findings
write a 1000- to 1500-word paper on at least three major information security threats that a specific organization you
Explain in scholarly detail on whether you believe security measures currently in place give adequate security as well as privacy, or do you believe these issues being emphasized are at the expense of the other?
Investigate the development on massive MIMO technology and prepare a brief report of around 1400 words. Your references may come from websites, white papers, government documents or published conference or journal papers.
Write 700-1050 word paper explaining hardware and software used to support personal, workgroup, and enterprise computing within current organization, an organization.
The CIO asks you to explain why you believe it is important to secure the Windows and Unix/Linux servers from known shortcomings and vulnerabilities. Explain to your CIO what you can do to make sure the network infrastructure is more secure.
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