Question Bank
3705 approved questions from the community
Simple substitution ciphers are vulnerable to frequency analysis attacks.
AES is an asymmetric encryption algorithm.
The Atbash cipher is a type of substitution cipher that reverses the alphabet.
Which of the following contributed to DES being considered insecure? (Select all that apply)
The One-Time Pad is the only practical cryptosystem that achieves perfect secrecy.
What is a nonce in cryptography?
A nonce should be used multiple times to ensure consistent encryption results.
What is the rail fence cipher an example of?
What is the meet-in-the-middle attack on Feistel networks?
Which of the following is a common symmetric encryption algorithm?
What is the primary advantage of asymmetric cryptography over symmetric cryptography?
What is the primary use case for asymmetric encryption?
ECC signature creation and verification are typically faster than RSA for smaller messages.
What is a cryptographic hash function?
What does it mean for a cryptographic algorithm to be computationally secure?
The security of RSA relies on the difficulty of the discrete logarithm problem.
What is the primary use case for symmetric encryption?
Why is AES preferred over DES in modern applications?
RSA signature creation is generally faster than RSA encryption.
Cryptography combines techniques from mathematics, computer science, and electrical engineering.