
Public-key Cryptography - RSA
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Education
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University
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Nghia Trong
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
In RSA, Ф(n) = _______ in terms of p and q.
(p)/(q)
(p)(q)
(p+1)(q+1)
(p-1)(q-1)
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
In the RSA public key cryptosystem, which one of the following numbers will always be largest?
e
q
p
n
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
In the RSA algorithm, we select 2 random large values ‘p’ and ‘q’. Which of the following is the property of ‘p’ and ‘q’?
p and q should be divisible by Ф(n)
p and q should be prime
p and q should be co-prime
p/q should give no remainder
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Asymmetric key cipher uses_____ key
1
2
3
4
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What is public key cryptography? (You can choose multiple answers):
A method of encrypting messages using a secret password.
A method of encrypting messages using public and private keys.
A method of encrypting messages using symmetric methods.
A method of encrypting messages using asymmetric methods.
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
In the RSA encryption process, how is the message encrypted?
By performing addition with the public key.
By performing multiplication with the private key.
By performing exponentiation with the public key.
By performing division with the private key.
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What is the main disadvantage of using RSA?
It is not secure enough for modern applications.
. It requires a lot of processing power to generate keys.
It is vulnerable to side-channel attacks.
it's worse than AES.
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