Rewrite the following using switch case

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

Hashtags serve to identify the topic of a given tweet true false

What provides an array of buttons for quick access to commonly used commands and tools