WGU Introduction to Cryptography - D830
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1. Which role does modular arithmetic play in Performing calculations within a finite
cryptographic algorithms? set of numbers
2. How is lattice-based cryptography applied in Using geometric structures for crypto-
modern encryption techniques? graphic algorithms
3. What is encryption? The process of encoding messages
4. Which role do large prime numbers play in They ensure the security and strength
cryptographic algorithms? of encryption
5. What is a cryptosystem? A combination of cryptographic algo-
rithms and protocols
6. How are digital signatures used in crypto- Verifying the authenticity and integrity
graphic protocols? of data
7. What is nonrepudiation? The ability to prevent a sender from
denying sending a message
8. Which encryption method is associated with Advanced Encryption Standard (AES)
symmetric encryption?
9. Which of the following is an example of asym- Rivest-Shamir-Adleman (RSA)
metric encryption?
10. What are hash functions used for? Message integrity
11. Which is a type of homomorphic encryption? Symmetric homomorphic encryption
(SHE)
12. What is a characteristic of stream ciphers in a They generate a continuous stream of
cryptographic system? key material
13. What is ciphertext in a cryptographic system?
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