Cryptography & Codes

Rigorous Crypto Algorithms Proficiency Test

Probe deep into encryption primitives, hash mechanisms, and key management protocols with expert questions.

#hash functions#RSA#AES#GCM mode#stream ciphers#public-key crypto#block ciphers#SHA-3#OAEP padding#ECC

Total Questions

Difficulty Level

hard

Progress

0/0

Quiz Questions

Answer all questions below and test your knowledge.

1
What is the fixed block size for all variants of the AES block cipher?
Question 1
2
Which padding method is standard for PKCS#7-compliant implementations in CBC mode?
Question 2
3
What does OAEP stand for in the context of RSA encryption?
Question 3
4
What RSA key size provides at least 128 bits of security per NIST guidelines?
Question 4
5
Which sponge construction algorithm was selected as the SHA-3 standard?
Question 5
6
The Sweet32 attack targets block ciphers with what effective block size leading to birthday collisions?
Question 6
7
Curve25519 is optimized for which cryptographic primitive?
Question 7
8
IND-CCA2 security guarantees resistance to which type of adversary queries?
Question 8
9
Which authenticated encryption mode combines CTR for confidentiality and GHASH for authentication?
Question 9
10
What is the digest length produced by SHA-256?
Question 10