Suppose the prime p = 251 and base s = 53 are %3D establish an 8-bit keyword for binary Vigenère en selects a number at random: a = random: b= 55. What is the key that they agree c 63. Bob also s- %3D

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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305
Key Agreement
hy
a
et-
ed
he a better choice of s ?
Suppose the prime p = 251 and base s=
53 are published. Alice
d Bob want to use the Diffie-Hellman key agreement protocol to
establish an 8-bit keyword for binary Vigenère encipherment. Alice
= 63. Bob also selects a number at
selects a number at random: a =
random: b = 55. What is the key that they agree on?
5. Alice and Bob are using the Diffie-Hellman key agreement protocol to
agree on a key for a shift cipher. Suppose that the public prime and
23 and s = 5, and that Bob's private key is b = 6. If he
base are p =
receives the message
21, KLSQSOSCW,
how will he decipher the message?
a,
Transcribed Image Text:305 Key Agreement hy a et- ed he a better choice of s ? Suppose the prime p = 251 and base s= 53 are published. Alice d Bob want to use the Diffie-Hellman key agreement protocol to establish an 8-bit keyword for binary Vigenère encipherment. Alice = 63. Bob also selects a number at selects a number at random: a = random: b = 55. What is the key that they agree on? 5. Alice and Bob are using the Diffie-Hellman key agreement protocol to agree on a key for a shift cipher. Suppose that the public prime and 23 and s = 5, and that Bob's private key is b = 6. If he base are p = receives the message 21, KLSQSOSCW, how will he decipher the message? a,
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