2.8 Block Cipher Modes

Question 1

CCMP

Answer 1

Counter Mode with Cipher Block Chaining Message Authentication Code Protocol

block cipher mode that uses the Advanced Encryption Standard (AES) encryption algorithm

WLAN - WPA2

Question 2

ECB

Answer 2

Electronic Code Book
AES
block

Question 3

CTR

Answer 3

Counter
AES
block cipher

Question 4

GCM

Answer 4

Galois/Counter Mode

uses universal hashing over a binary Galois field. It can be implemented in hardware to achieve high speeds with low cost and low latency.

symmetric block cipher, 128-bit block size