5. Tricks of the language commercials use are called Rhetorical Devices?

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).

What are the three uses of a screw?

Consider the folloeing website url: what does the "http: //" represent? a. protocal identifier. b. ftp. c. domain name d. resource name