Assignment Background: You have recently been offered a job to head the IT depar

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Assignment Background:
You have recently been offered a job to head the IT
department in a start-up organization headquartered in Florida, USA. Your first assignment is to deploy a PKI and CA.
You have been provided with the NIST publication on PKI and CA (found on the
course page).  In order to successfully
implement the PKI and CA you are required to answer the questions posted below
including those related to classical ciphers.
Assignment Questions:
1.    
Describe the Vigenère cipher
and explain the process of encrypting and decrypting a message with a given
keyword.
2.    
Explain the process of
encrypting and decrypting a message using the Playfair cipher with a given key.
3.    
Using an example describe the
Hill cipher and its use of matrix operations for encryption.
4.    
Discuss the implementation
issues with PKI and CA
5.    
What are the specific business
needs driving the implementation of PKI?
A photo of the marking rubric is uploaded. 

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