About CS315 Assignment 1
CS315 Assignment No 1 for Fall 2026 is from Network Security. It covers lesson 36: 12 Diffie-Hellman Algorithm, carries 15 marks and closed on VULMS on Thursday 5 November 2026. No solution was added before it closed.
- Course
- CS315 Network Security
- Assignment
- Assignment No 1
- Semester
- Fall 2026
- Lesson
- 36: 12 Diffie-Hellman Algorithm
- Total marks
- 15
- End date
- Thu 5 Nov, 11:59 pm
What CS315 Assignment 1 asks
This assignment focuses on core network security concepts including the CIA Triad and stream cipher operations. Students must analyze five distinct security scenarios to identify which component of the CIA Triad has been compromised in each case. Additionally, the assignment requires performing encryption and decryption of a numeric message using a provided 8-bit key stream. Students must present their findings and calculations in specific table formats.
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1
Question No.1
Analyze five provided security scenarios involving a hospital, a university portal, a bank, a fitness app, and an online purchase order. For each scenario, identify the specific CIA Triad component that was compromised. Present your answers in the provided table containing Case Reference and CIA Triad Component Name columns.
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2
Question No.2
Encrypt the numeric message '73' using the provided 8-bit key stream '10110100' and express the result in decimal form. Then, perform the decryption process to recover the original message from the ciphertext. You must show all necessary calculation steps within the provided table for both encryption and decryption.
- What to submit
- One MS Word document (.doc or .docx).
- Topics covered
- CIA Triad Network security incidents Stream cipher Encryption Decryption Key stream
A summary of the assignment file, Fall 2026_CS315_1.docx. Download the file for the full wording before you start.
Lesson covered
The questions in this assignment come from this lesson. Read it in the CS315 handout before you open the assignment file, then practise it with the MCQs and past papers.
Solution
No solution was added before this assignment closed. The assignment file stays here so you can revise lesson 36.
Before you submit on VULMS
- 1 This assignment closed without a solution. Use the assignment file to revise lesson 36 before your exams.
- 2 Write the final answer in your own words. VU checks assignments for copying, and copied work gets zero marks.
- 3 Save your answer in the file type the assignment file asks for, and name it with your student ID, for example BC260012345.
- 4 Open the file once more to check it is not empty or corrupted, then upload it on VULMS before 11:59 pm on Thu 5 Nov.
Questions about this assignment
When is CS315 Assignment 1 due?
It closed on Thursday 5 November 2026. VULMS no longer accepts files for it, but the assignment stays here for revision.
Will a solution be added?
No. Solutions are written only while an assignment is open on VULMS, and this one closed on Thursday 5 November 2026. The assignment file stays here for revision.
Can I submit the solution as it is?
No. VU checks assignments for copying, and copied work gets zero marks. Use the solution to check your method, then write your own answer.
What file do I submit?
The assignment file says which file type to upload and lists any extra instructions from your instructor. Name the file with your student ID before you upload it on VULMS.