Podcast
Questions and Answers
Which type of cipher is a Caesar cipher?
Which type of cipher is a Caesar cipher?
- Transposition cipher
- Vigenere cipher
- Substitution cipher (correct)
- Polyalphabetic cipher
What is the difference between a block and a stream cipher?
What is the difference between a block and a stream cipher?
- Block ciphers use fixed-size blocks of data, while stream ciphers encrypt data bit by bit (correct)
- Block ciphers and stream ciphers both encrypt data bit by bit
- Block ciphers encrypt data bit by bit, while stream ciphers use fixed-size blocks of data
- Block ciphers and stream ciphers both use fixed-size blocks of data
ECC is classified as which type of cryptographic algorithm?
ECC is classified as which type of cryptographic algorithm?
- Asymmetric algorithm (correct)
- Hash algorithm
- Digital signature algorithm
- Symmetric algorithm
What is the key point of Kerckhoff's second principle?
What is the key point of Kerckhoff's second principle?