What is the innermost layer of earth called? core crust lithosphere mesosphere

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).

Which of the following commands is more recommended while creating a bot?

Which parts of a presentation should be the most general? a. introduction and conclusion b. introduction and outline c. outline and conclusion d. outline and body