Cryptography Objective Questions and Answers - Set 3

This cryptography quiz contains carefully curated objective questions with correct answers and clear explanations. It is designed for developers, security learners, and interview preparation, covering modern encryption, hashing, authentication, and security best practices. This is part 3 of the series.

Practice Cryptography MCQs with Detailed Explanations

Answer at least 12 questions to submit and verify answers.

31 Which attack targets encrypted data patterns? Hard

32 Which function converts plaintext into ciphertext? Easy

33 What does RSA stand for? Easy

34 Which algorithm is suitable for hashing large files? Easy

35 Which cryptographic tool hides data inside images? Easy

36 Which algorithm provides both encryption and authentication? Medium

37 Which algorithm is recommended over MD5 for hashing? Easy

38 What is the purpose of a nonce? Medium

39 Which algorithm is commonly used for secure APIs? Medium

40 Which cryptographic property ensures secrecy? Easy

41 Which attack attempts all possible keys? Easy

42 Which cryptographic algorithm is used for signing JWTs? Medium

43 Which algorithm provides forward secrecy? Hard

44 What does ECC offer compared to RSA? Medium

45 Which algorithm should NOT be used for password storage? Easy