Section 24: Cryptography

Question 1

Cryptography

Answer 1

The practice and study of writing and solving codes in order to hide the true meaning of information

Question 2

Encryption

Answer 2

Process of converting ordinary information (plaintext) into an unintelligible form (ciphertext)

Question 3

Cipher

Answer 3

An algorithm which performs the encryption or decryption

Question 4

Key

Answer 4

The essential piece of information that determines the output of a cipher

Question 5

Blockchain

Answer 5

A shared, immutable ledger for recording transactions, tracking assets and building trust

Question 6

Ephemeral

Answer 6

Short lived and used in the key exchange for WPA3 to create perfect forward secrecy

Question 7

Homomorphic Encryption

Answer 7

An encryption method that allows calculations to be performed on data without decrypting it first