Chapter 2 Data Transmission: Unit 2.3: Symmetric and Asymmetric Encryption

Question 1

Define plaintext

Answer 1

The original text/message before it is put through an encryption algorithm

Question 2

Define ciphertext

Answer 2

Encrypted data that is the result of putting a plaintext message through an encryption algorithm

Question 3

Define symmetric encryption

Answer 3

A type of encryption in which the same encryption key is used both the encrypt and decrypt a message

Question 4

Define asymmetric encryption

Answer 4

A type of encryption that uses public (known to all users) and private (known only to a single computer/user) keys to ensure data is secure