Mastering AES: Step-by-Step Guide to the Add Round Key Transformation πŸ”‘

Learn how to perform the Add Round Key step in AES encryption with a clear, solved example. Perfect for understanding this crucial cryptographic process!

Mastering AES: Step-by-Step Guide to the Add Round Key Transformation πŸ”‘
Chirag Bhalodia
26.0K views β€’ May 12, 2022
Mastering AES: Step-by-Step Guide to the Add Round Key Transformation πŸ”‘

About this video

How to Solve AES Add Round Key Transformation | Add Round Key Transformation in AES | Solved Example | AES Add Round Key | AES Add Round Key solved example

In this video, I have explained introduction of AES. Then explained AES Add Round Key transformation function. Also solve the example of AES add round key transformation. Complete solution of AES add round key transformation (Example from William Stallings book) is in this video. Watch carefully.

Introduction of AES:
AES uses 128 bits of plain text. AES consists of multiple rounds of processing different key bits like,
128 bits key – perform 10 rounds of encryption
192 bits key – perform 12 rounds of encryption.
256 bits key – perform 14 rounds of encryption.

For encryption, each round consists of the following four steps: Sub Bytes,
Shift Rows, Mix Columns, Add Round Key.
Above steps also called AES transformation function.

AES Add Round Key Transformation Function:
Fourth transformation function of AES is called as Add Round Key. It is also known as forward add round key transformation. The 128 bits of State are bitwise XORed with the 128 bits of the round key. Add Round Key proceeds one column at a time.

0:00 Introduction
0:18 Outline
0:41 Introdcution of AES
2:04 Explain Add Round Key transformation function
2:57 Solution of Add Round Key example (Complete Solution)


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Check out other video on my channel

Block Cipher and Stream Cipher:
https://youtu.be/-gQrm5j0RkQ

Confusion & Diffusion (Frustrated Statistical Analysis or Claud Shannon Properties):
https://youtu.be/PJrW6ZqQipo

Feistel Cipher Structure (to understand DES):
https://youtu.be/emJ0p6h48u4

Data Encryption Standard (DES) Algorithm:
https://youtu.be/cVhlCzmb-v0

DES Example using Animation:
https://youtu.be/3YBwhWuXZ0o

Strength & Weakness of DES, Avalanche effect in DES:
https://youtu.be/Xy1hver_aaw

Advanced Encryption Standard (AES) Algorithm with structure:
https://youtu.be/X8whYEWoDSI

AES Example using Animation:
https://youtu.be/ZPLEtxxjCYA

Key expansion in AES:
https://youtu.be/14SAn4IEAHk

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How to Solve AES Add Round Key Transformation
Add Round Key Transformation in AES
Solved Example of AES Add Round Key
AES Add Round Key solved example
AES Add Round Key example

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Video Information

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26.0K

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Duration

7:27

Published

May 12, 2022

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