AES Guest Lecturer
AES Guest Lecturer
AES Guest Lecturer
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Larger Plain Texts<br />
Encryption<br />
• How to avoid frequency analysis<br />
• Answer: Cipher Block Chaining<br />
The original image<br />
An image<br />
encrypted<br />
without any<br />
form of Cipher<br />
Block<br />
Chainging<br />
An image<br />
encrypted<br />
with cipher<br />
block<br />
chainging