(a) Describe the steps of the Diffie-Hellman key exchange protocol to generate the shared secret akıka between Bob and Alice, where a = 5 is a primitive element modulo 23, ki = 5 and k2 = 8. (You do not need to verify that 5 is a primitive root modulo 23. Do the computations explicitly in Step 2 and Step 4.) (b) Alice then uses their shared secret as a key for a shift cipher to send Bob her favorite tv series and Bob receives the ciphertext ΖNK COXK. What is her favorite tv series?
(a) Describe the steps of the Diffie-Hellman key exchange protocol to generate the shared secret akıka between Bob and Alice, where a = 5 is a primitive element modulo 23, ki = 5 and k2 = 8. (You do not need to verify that 5 is a primitive root modulo 23. Do the computations explicitly in Step 2 and Step 4.) (b) Alice then uses their shared secret as a key for a shift cipher to send Bob her favorite tv series and Bob receives the ciphertext ΖNK COXK. What is her favorite tv series?
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Problem 2.
(a) Describe the steps of the Diffie-Hellman key exchange protocol to generate the shared secret
akıka between Bob and Alice, where a = 5 is a primitive element modulo 23, ki = 5 and
k2 = 8. (You do not need to verify that 5 is a primitive root modulo 23. Do the computations
explicitly in Step 2 and Step 4.)
(b) Alice then uses their shared secret as a key for a shift cipher to send Bob her favorite tv series
and Bob receives the ciphertext
ZNK COXK.
What is her favorite tv series?
Recall:
A
BCDE
F
HIJ
K
M
N
P
Q
R
S
U
V
W| X
Y
2
4
7
89 10
11
12
13 14 15 16 | 17| 18 | 19 | 20 | 21 22 23 24 25
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