Assignment No. 03
Semester: Fall 2019
CS205: Information Security Total Marks: 25
Due Date: 22/01/2020
Please read the following instructions carefully before submitting assignment:
You need to use MS word document to prepare and submit the assignment on VU-LMS.
It should be clear that your assignment will not get any credit if:
The assignment is submitted after due date.
The assignment is not in the required format (doc or docx)
The submitted assignment does not open or file is corrupt.
Assignment is copied (partial or full) from any source (websites, forums, students, etc)
To enhance the learning capabilities of the students about cryptography and crypto algorithms.
You are required to encrypt the string “Security Professional” and decrypt the string “MdgfjVhjfbteut” using following tables with “Substitution Cipher Method”.
You are required to encrypt the plain text “ACCOUNTABILITY” using Vigenere Square Cipher method? Suppose that keyword is “SILENT”.
You are required to encrypt the plain text “wearesecurityprofessionalsinuk” into cipher text using columnar transposition method with a Key: “231645”.
Best of luck
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