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?
Flashcards
What is a substitution cipher?
What is a substitution cipher?
A cipher that replaces each letter in the plaintext with another letter to form the ciphertext.
Block vs. Stream Cipher
Block vs. Stream Cipher
Block ciphers encrypt data in fixed-size blocks, while stream ciphers encrypt data bit by bit.
ECC algorithm type?
ECC algorithm type?
Elliptic Curve Cryptography (ECC) is an asymmetric cryptographic algorithm.
Kerckhoffs's Principle
Kerckhoffs's Principle
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