
W7 Public Key Cryptography
Authored by Elena Vu
Computers
University
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41 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge of symmetric key encryption?
Key generation problem
Key exchange problem
Key storage problem
Key length problem
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Diffie-Hellman key exchange primarily address?
Data encryption
Digital signature creation
Public key generation
Secret key exchange
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which algorithm is known for using the concept of modular arithmetic in public key cryptography?
AES
Blowfish
RSA
DES
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of Euler's totient function in RSA?
To decrypt messages
To count integers relatively prime to n
To encrypt messages
To generate public keys
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of hybrid encryption?
Reduced computational cost
Higher security level
Faster encryption speed
Lower key management complexity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which padding scheme is considered more secure than PKCS#1 v1.5?
ISO/IEC 9796
None of the above
PKCS#1 v2.0
OAEP
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a digital signature?
To compress data
To generate keys
To provide authenticity proof
To encrypt data
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