Cryptography

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#1. What is Cryptography?

#2. 2. Which of the following is NOT a primary goal of cryptography?

#3. 3. In symmetric-key cryptography, the same key is used for:

#4. 4. The process of converting plaintext into ciphertext using a cryptographic algorithm and key is known as:

#5. 5. The DES (Data Encryption Standard) algorithm is an example of:

#6. 6. Which algorithm is commonly used for secure data transmission over the internet, providing confidentiality and integrity?

#7. 7. The key exchange problem in symmetric-key cryptography refers to:

#8. 8. In asymmetric-key cryptography, how many keys are used for encryption and decryption?

#9. 9. The Diffie-Hellman key exchange algorithm is used for:

#10. 10. Which asymmetric algorithm is commonly used for digital signatures and secure communication?

#11. 11. Public keys are used for:

#12. 12. Private keys in asymmetric cryptography are kept:

#13. 13. Which cryptographic hash function is commonly used for ensuring data integrity?

#14. 14. A digital signature is used to:

#15. 15. The process of verifying the integrity of a message without revealing its content is achieved through:

#16. 16. Which of the following is a weakness of symmetric-key cryptography?

#17. 17. The concept of a "man-in-the-middle" attack is a concern for:

#18. 18. Which algorithm is commonly used for securely transmitting passwords over a network?

#19. 19. The process of converting ciphertext back to plaintext is known as:

#20. 20. In the RSA algorithm, the security is based on the difficulty of:

#21. 21. Which cryptographic concept is the basis for secure communication over an insecure channel?

#22. 22. What is the primary purpose of a nonce (number used once) in cryptography?

#23. 23. Elliptic Curve Cryptography (ECC) is known for:

#24. 24. Which key length is considered more secure in modern cryptographic algorithms?

#25. 25. The process of obscuring data to make it unreadable without special knowledge is called:

#26. 26. Which algorithm is commonly used for generating digital signatures and creating a secure hash?

#27. 27. The process of adding random data to a message before hashing is known as:

#28. 28. The concept of a "trapdoor function" is associated with which type of cryptographic algorithm?

#29. 29. The Advanced Encryption Standard (AES) supports key lengths of:

#30. 30. The process of securely storing passwords by adding random data before hashing is known as:

#31. 1. What is Cryptography?

#32. 2. Which of the following is NOT a primary goal of cryptography?

#33. 3. In symmetric-key cryptography, the same key is used for:

#34. 4. The process of converting plaintext into ciphertext using a cryptographic algorithm and key is known as:

#35. 5. The DES (Data Encryption Standard) algorithm is an example of:

#36. 6. Which algorithm is commonly used for secure data transmission over the internet, providing confidentiality and integrity?

#37. 7. The key exchange problem in symmetric-key cryptography refers to:

#38. 8. In asymmetric-key cryptography, how many keys are used for encryption and decryption?

#39. 9. The Diffie-Hellman key exchange algorithm is used for:

#40. 10. Which asymmetric algorithm is commonly used for digital signatures and secure communication?

#41. 11. Public keys are used for:

#42. 12. Private keys in asymmetric cryptography are kept:

#43. 13. Which cryptographic hash function is commonly used for ensuring data integrity?

#44. 14. A digital signature is used to:

#45. 15. The process of verifying the integrity of a message without revealing its content is achieved through:

#46. 16. Which of the following is a weakness of symmetric-key cryptography?

#47. 17. The concept of a "man-in-the-middle" attack is a concern for:

#48. 18. Which algorithm is commonly used for securely transmitting passwords over a network?

#49. 19. The process of converting ciphertext back to plaintext is known as:

#50. 20. In the RSA algorithm, the security is based on the difficulty of:

#51. 21. Which cryptographic concept is the basis for secure communication over an insecure channel?

#52. 22. What is the primary purpose of a nonce (number used once) in cryptography?

#53. 23. Elliptic Curve Cryptography (ECC) is known for:

#54. 24. Which key length is considered more secure in modern cryptographic algorithms?

#55. 25. The process of obscuring data to make it unreadable without special knowledge is called:

#56. 26. Which algorithm is commonly used for generating digital signatures and creating a secure hash?

#57. 27. The process of adding random data to a message before hashing is known as:

#58. 28. The concept of a "trapdoor function" is associated with which type of cryptographic algorithm?

#59. 29. The Advanced Encryption Standard (AES) supports key lengths of:

#60. 30. The process of securely storing passwords by adding random data before hashing is known as:

Finish