Based on your knowledge in computer security, which cryptographic mechanisms would you implement in order to run the system as required and why? Explain how the chosen mechanism can be used.  2. Which cryptographic mechanisms would you implement in order to protect the usernames and passwords and why?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Let us consider an application where we need to run a secure Information Management System. Examiner: Veronica Agblewornu
We are to receive very confidential information from our customers and keep them safe in our system. This information is sent to us in the softcopy forms. We are to protect our customers’ confidentiality even from ourselves, we are not to see the information they bring to us, or else the confidentiality is compromised. Your job as a computer security officer is to verify the authenticity of the important document received in order to save them under the appropriate users. Mind you; you have no access to
the users’ usernames and passwords, you can store but cannot retrieve except the user himself.
Secondly, you are to protect the passwords and usernames to make it impossible for everyone
(including the system administrators) except for the users themselves to access even if the whole database is hacked or stolen.


1. Based on your knowledge in computer security, which cryptographic mechanisms would you implement in order to run the system as required and why? Explain how the chosen mechanism can be used. 


2. Which cryptographic mechanisms would you implement in order to protect the usernames and passwords and why?

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