IMMEDIATE: Discussion Topic - Due Sunday, 06 November 16 NLT 1530

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You need to use the virtual lab for this discussion assignment. --

On virtual machine (VM) in the virtual lab, there is a folder "c:\encrypt".

In the folder you will see these two files:

  • img.jpg - the file you have seen in the Week 2, Topic 2 Discussion Activity, and
  • encrypt.exe - encrypt/decrypt key

There is text hidden in this picture. Spend some time trying to discover the clear text behind the picture. If you cannot, double click the encrypt.exe file. The output (decrypted info) will be in a third file, named secret.txt. This is the decrypted telegram.

  • Post the decrypted telegram into the Discussion. 

Edit the secret.txt file and double click the encrypt.exe again. You will see that the file secret.txt disappears. This means the text file was encrypted in the picture. 

  1. Continue your Discussion post by explaining the kind of encryption technology used in this software application, e.g., symmetric encryption or asymmetric encryption.
  2. Discuss which encryption algorithm is better, symmetric or asymmetric, and be sure to support your assertions.

Detailed explanation of discussion requirements and grading criteria:

 

 

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