2026

Cryptography & Codes

Fortify Your Encryption Expertise Challenge

This intense 10-question gauntlet dissects cutting-edge encryption algorithms, modes, and future-proof schemes for cryptography aficionados.

#stream encryption#AES rounds#GCM mode#ECC curves#RSA padding#block ciphers#nonce reuse risks#key derivation#Dilithium signatures#Kyber algorithm

Quiz Intelligence

Total Questions

10

Difficulty Level

hard

Progress

0/0

0%

Quiz Questions

Answer all questions below and test your knowledge.

1
In AES-256, how many rounds of transformation does the cipher perform on each block?
Question 1
2
What mathematical problem underpins the security of the RSA cryptosystem?
Question 2
3
Which AES mode of operation uses a keystream generated from a counter to achieve stream-like encryption?
Question 3
4
In elliptic curve cryptography (ECC), what does the scalar multiplication operation represent computationally?
Question 4
5
What vulnerability arises in GCM mode if the same nonce is reused with the same key?
Question 5
6
Kyber, a NIST post-quantum finalist, is primarily based on which lattice problem?
Question 6
7
In PKCS#7 padding, what is added to reach the next block boundary if the plaintext is exactly one block short?
Question 7
8
Which stream cipher construction applies the block cipher output directly as keystream without feedback?
Question 8
9
Dilithium, another NIST PQC finalist, serves as what type of primitive?
Question 9
10
What does the 'IND-CCA2' security notion guarantee for public-key encryption schemes?
Question 10

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Fortify Your Encryption Expertise Challenge

Quiz Intelligence

Quiz Questions

In AES-256, how many rounds of transformation does the cipher perform on each block?

What mathematical problem underpins the security of the RSA cryptosystem?

Which AES mode of operation uses a keystream generated from a counter to achieve stream-like encryption?

In elliptic curve cryptography (ECC), what does the scalar multiplication operation represent computationally?

What vulnerability arises in GCM mode if the same nonce is reused with the same key?

Kyber, a NIST post-quantum finalist, is primarily based on which lattice problem?

In PKCS#7 padding, what is added to reach the next block boundary if the plaintext is exactly one block short?

Which stream cipher construction applies the block cipher output directly as keystream without feedback?

Dilithium, another NIST PQC finalist, serves as what type of primitive?

What does the 'IND-CCA2' security notion guarantee for public-key encryption schemes?