Understanding Cryptography by Christof Paar and Jan Pelzl - Chapter 5 Solutions - Ex5.8
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- Exercise 5.1
- Exercise 5.2
- Exercise 5.3
- Exercise 5.4
- Exercise 5.5
- Exercise 5.6
- Exercise 5.7
- Exercise 5.8
- Exercise 5.9
- Exercise 5.10
- Exercise 5.11
- Exercise 5.12
Exercise 5.8
In the text, a variant of the CFB mode is proposed which encrypts individual bytes. Draw a block diagram for this mode when using AES as block cipher. Indicate the width (in bit) of each line in your diagram.
Solution
I haven’t yet verified this solution independently. If you spot any mistakes, please leave a comment in the Disqus box at the bottom of the page.
I haven’t had the time to produce the diagram yet, so I will fill this in later.
Thomas Busby
I write about computing stuff