paraphrase for computer science task

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This is one of the questions that needs paraphrasing and the rest are on the file below:

4. Bob designed another new scheme to detect whether a message is modified by an attacker (protecting data

integrity). The scheme is to append to each message a SHA-256 hash of that message, then encrypt the whole appended message using AES with a known key to the public. Explain the vulnerability of Bob’s design?

Bob designed a new scheme to detect whether a message is modified by an attacker. He used the scheme in which each message is appended to SHA-256 hash of that message and then encrypt the whole message using AES with known key which is known to the public.

There is a vulnerability in Bob Design, he append each message using SHA-256 which is very string algorithm but then he uses AES algorithm which is also a very strong algorithm but he uses public key to encrypt not the private key. AES algorithm have two keys: public and private key, the key which is known to everyone is called the public key and the key which is known between parties only the sender and receiver is called the private key. So, Bob is using the public key for encrypting the whole message, the public key is available to everyone. So, anyone who is having the public key can decrypt that message and read the message and can change the message as well. So, many dangerous attacks can happen like MITM (Man in the Middle) attack can happen in which the conversation between two person is taking place and attacker sites in the middle and can change the conversation taking place and many more.

So, Bob should use private key instead of public key so that only the sender and receiver could have the keys to encrypt and decrypt the messages.

 

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organization leadership and decision making 3

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ModMeters Case Study on pages 82-85

Read the ModMeters Case Study on pages 82-85 in the textbook. Answer the Discussion Question at the end of the Case Study. Your responses must be complete, detailed and in APA format.

Your responses must be complete, detailed and in APA format. All work must be 1 FULL page, single spaced, 12 font Times New Roman. The cover and reference page must be on separate pages. Please DO NOT include the question in your work as only your findings should be submitted.

PFA is the last year student submitted paper, use it as a reference

No Plagarism

References

 

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Finance – Nursing Experts Help

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Nursing Experts Help is a professional writing service that provides original papers. Our products include academic papers of varying complexity and other personalized services, along with research materials for assistance purposes only. All the materials from our website should be used with proper references.

to rey writer

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Homework Assignment #4

 

Format/Requirements

 

  • Hand this in at the beginning of class, not by email.
  • Use Times New Roman, 12-point font.
  • Make sure you show your name, course number, and section number on the page.
  • Number the answers, and place them in the correct order

 

Questions

 

1)Assume you have chosen Kellogg’s (you know, the cereal people) as the subject of your research paper.  As part of your background research, you have reviewed annual corporate revenue (sales) numbers for Kellogg’s and their key competitor – General Mills.  Create an Excel chart (one chart/graph, please, not a table) showing revenues for both companies over five years (2008 – 2012), that you might include in your final paper.  And I really do want you to use Kellogg’s and General Mills data, not data from your actual term paper company. 

 

2)Think about a recent personal decision you’ve made where you were choosing from a few (at least three) different possible solutions.  Apply a decision matrix with weighted criteria (as done in the class session with the heat pump example) to your decision.  Describe your choice, why you made it (in other words – why you chose the criteria you did and the weighting), and include the matrix with your answer.

 

3)By this time, you’ve done much of the research for your paper.  You have done research, right?  Prepare a draft outline for your term paper – down to a least three levels of detail.  Refer to the term paper template on the web site for structure.  I expect that you will have more detail for the first four sections at this point in the class.  Create the outline using the following basic format (the number of entries in each level is completely based on your content – don’t use this as a model for that):

 

  • Executive Summary (don’t put anything here!)
  • Situation Analysis
    • your info should go here!
      • your info should go here!
      • your info should go here!
      • your info should go here!
    • Your info here
    • Etc. (as many sections as needed)
  • Problem Analysis & Description
    • your info should go here!
      • your info should go here!
      • your info should go here!
    • Etc.
    • Etc. (as many sections as needed)
  • Solutions, Evaluation and Recommendation
    • your info should go here!
      • your info should go here!
      • your info should go here!
    • Etc.
    • Etc. (as many sections as needed)
  • Implementation Plan
  • Success Metrics

 

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