Cipher Modes

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About this activity

This will help with the Cipher Modes content of the Security+.

Created by

Brody Campbell

Canada

Download the paper version to play

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#	Player	Accuracy	time
1	Brody Campbell June 10, 2019	% 50	06:22

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Common Hacks I

Kerry Williams

United States

(17)

Select the correct statements to match the Common Hack. Once you click on a statement, it will tell you the type of hack that statement is a part of. You must select the rest of the statements in orde...
Taylor Swift

Roberth Fernando Delgado Mendoza

Ecuador

(3)

Mundo Swiftie, Nando
Muscular system

Mayra Rubio

United States

(5)

Match the muscular system to its function/characteristics
Glands and Hormones

Betsy Grannis

United States

(84)

Match the glands in the endocrine system to the hormones they produce.
SEQUENCE WORDS

Nubya Haze

Mexico

(17)

Match the sequence words


Cipher Modes Online version This will help with the Cipher Modes content of the Security+. by Brody Campbell 1 Electronic Code Book 2 Cipher Block Chaining 3 Counter 4 Galois/Counter Mode Simplest Divide plaintext into blocks, encrypts blocks using same key Not recommended Uses an IV for randomness when encrypting the first block Combines each block with the previous using XOR Suffers from pipeline delays as encryption is dependent on encrypting every previous block Coverts a block cipher to a stream sipher Combines an IV with a counter, uses results to encrypt each plaintext block Each block uses the same IV but CTM combines it with the counter resulting in a different encryption for each block Multiprocessor systems can encrypt/decrypt multiple blocks at the same time Respected secure mode of operation Represented as CTR or CM Used by many block ciphers Combines counter with galois method of authentication Provides authenticity/integrity and confidentiality includes hashing techniques for integrity Widely used due to it's efficiency

Cipher Modes Online version

This will help with the Cipher Modes content of the Security+.

by Brody Campbell

Electronic Code Book

Cipher Block Chaining

Counter

Galois/Counter Mode

Simplest

Divide plaintext into blocks, encrypts blocks using same key

Not recommended

Uses an IV for randomness when encrypting the first block

Combines each block with the previous using XOR

Suffers from pipeline delays as encryption is dependent on encrypting every previous block

Coverts a block cipher to a stream sipher

Combines an IV with a counter, uses results to encrypt each plaintext block

Each block uses the same IV but CTM combines it with the counter resulting in a different encryption for each block

Multiprocessor systems can encrypt/decrypt multiple blocks at the same time

Respected secure mode of operation

Represented as CTR or CM

Used by many block ciphers

Combines counter with galois method of authentication

Provides authenticity/integrity and confidentiality

includes hashing techniques for integrity

Widely used due to it's efficiency

You can integrate the game into an LMS compatible with LTI 1.1 or LTI 1.3 such as Canvas, Moodle, or Blackboard. This way, the scores will be automatically saved into the platform’s gradebook.

Cipher Modes

Matching

About this activity

Created by

Download the paper version to play

Top Games

Matching

Common Hacks I

Matching

Taylor Swift

Matching

Muscular system

Matching

Glands and Hormones

Matching

SEQUENCE WORDS

Cipher Modes Online version

by Brody Campbell

Electronic Code Book

Cipher Block Chaining

Counter

Galois/Counter Mode

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