Vocabulary

Question 1

Encryption

Answer 1

a means of securing digital data using more mathematical techniques.

Question 2

Plaintext

Answer 2

Your data. The message before encryption.

Question 3

Cipher

Answer 3

The method of encrypting or decrypting that data

Question 4

Ciphertext

Answer 4

The final result. The message after encryption.

Question 5

Key

Answer 5

Some sort of information that is needed to encrypt or decrypt the plaintext into ciphertext, or vice versa.

Question 6

Alice and Bob

Answer 6

The “names” we use to explain sender and receiver of encrypted information.

Question 7

Symmetric encryption

Answer 7

Using the same key to encrypt and decrypt.

Question 8

Asymmetric encryption

Answer 8

Using DIFFERENT keys to encrypt and decrypt

Question 9

Brute Force

Answer 9

Using every combination of keys or passwords to “break” the encryption.

Question 10

Cryptanalysis

Answer 10

“Breaking” the cryptography by finding a flaw in the mathematical process.