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COMP 880 : Data Encryption Standard Report Writing - IT Assignment Help
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Assignment Task:
Task:
Instructions: Be concise and complete with all answers. Avoid giving short answers, research them further and give context when possible.
Section 1: Data Encryption Standard
Part A: Take the first 8 characters of this sentence as your plain text (don’t ignore any spaces). Take the first 8 characters of the Section 1 title (don’t ignore any spaces) and do the first 4 rounds of the DES encryption algorithm (i.e. skip the 12 final rounds but do all other parts, including initial and final permutations and key transformations). Show all of your work and in the end show the newly jumped string you got.
Answer here
Part B: Discuss the difference between DES and the Advanced Encryption Standard (AES). Be sure to address what they share and what makes them different. Please avoid just independently describing each without connecting them to each other.
Answer here
Section 2: Triple Stream Ciphers
Implement both EEE and EDE methods with the stream cipher you created in problem set 1 (use my solution: cipher_v2.c). Note that you must generate 3 different keys so you will use the DES key permutation used during the 16 rounds of the DES algorithm.For simplicity we will use 32 bit long integer values in C that you will split into two 16-bit values
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