Test Your Mastery of Encryption Methods
A rigorous quiz that probes deep understanding of encryption algorithms, their structures, and practical applications in current security landscapes.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which of the following block ciphers employs a substitution‑permutation network rather than a Feistel structure?
- 2
The security of the Diffie‑Hellman key exchange primarily relies on the difficulty of which mathematical problem?
- 3
In post‑quantum cryptography, which lattice‑based scheme is widely regarded as a candidate for standardization?
- 4
Which mode of operation provides both confidentiality and integrity without requiring a separate MAC?
- 5
What is the primary advantage of using a tweakable block cipher like XTS over a standard ECB mode?
- 6
Which hash‑based signature scheme offers forward security and is based on Merkle trees?
- 7
In the context of homomorphic encryption, which scheme allows unlimited additions and a bounded number of multiplications?
- 8
Which symmetric algorithm was specifically designed to be resistant to side‑channel attacks such as differential power analysis?
- 9
The ChaCha20‑Poly1305 construction is primarily used for what purpose?
- 10
Which protocol replaces RSA for key transport in TLS 1.3 by using elliptic‑curve Diffie‑Hellman?
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