Cryptography MCQ Test: Cryptography MCQs - Practice Questions
1. Which encryption method is vulnerable to known-plaintext attacks?
2. What is the purpose of a digital signature in cryptographic protocols?
3. What is the primary advantage of using elliptic curve cryptography (ECC) over traditional public-key cryptography?
4. Which type of cryptographic attack involves trying all possible key combinations?
5. Which ancient civilization is credited with the earliest known use of cryptography?
6. What is the purpose of a 'hash function' in cryptography?
7. What is the primary purpose of public-key cryptography?
8. What is the primary purpose of the Kerberos protocol in network security?
9. Which type of cryptographic attack involves intercepting and altering communication between two parties?
10. What is the purpose of encryption in communication?
11. Which cryptographic protocol is commonly used for securing internet communication, providing secure data transfer over a network?
12. What is the primary vulnerability addressed by post-quantum cryptography?
13. In the context of cryptographic hash functions, what is a 'preimage attack'?
14. Which cryptographic concept involves hiding the existence of a message, providing plausible deniability?
15. Which type of attack aims to exploit the mathematical properties of asymmetric-key cryptography to derive private keys?
16. Which cryptographic algorithm is commonly used for secure communication over the Internet?
17. Which famous computer scientist is known for his contribution to public-key cryptography?
18. What distinguishes a zero-knowledge proof in cryptography?
19. What role does the Diffie-Hellman key exchange algorithm play in cryptography?
20. Which encryption algorithm is commonly used for securing email communication?
21. In asymmetric-key cryptography, what is the primary function of the private key?
22. What is the significance of the Enigma machine in the history of cryptography?
23. Which encryption method uses a pair of keys, namely public and private keys?
24. What is the purpose of the 'birthday attack' in the context of cryptography?
25. In the context of cryptography, what does the term 'plaintext' refer to?
26. What role does the Shamir's Secret Sharing algorithm play in cryptography?
27. In symmetric-key cryptography, how many keys are used for encryption and decryption?
28. What is the significance of a 'non-deterministic algorithm' in the context of cryptographic key generation?
29. What does the term 'cipher' refer to in cryptography?
30. What is the primary purpose of the Caesar Cipher?