CS315 Assignment No 1 solution and discussion - VULMS-Virtual University Of Pakistan

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CS315 Assignment No 1 solution and discussion

CS315 Assignment No 1 solution and discussion



Question 1:                                                                                                                             Marks 15    

For each of the following assets, assign a lower, moderate, or high impact level for the loss of confidentiality, integrity, and availability.



Assets
Impact level
Confidentiality
Integrity
Availability
VU publish the graduate students list on the web server.



VU exam department publish the result in the student grade book.



VU finance department publish the fee voucher in the student LMS account.



The VU student attempts his/her paper on VU exam software.



A student post his/her query on the MDB.




Question 2:

Encrypt and decrypt the following by using the Stream Cipher algorithm?


Plaintext
Key Stream
Ciphertext
10101010
00110110
?
11110001
01010001
?
?
00110011
01110011
?
10001110
11100100
11011011
00011100
?