Assignment: Information Security
1. What are the essential ingredients of a symmetric cipher?
2. What are the two basic functions used in encryption algorithms?
3. How many keys are required for two people to communicate via a symmetric cipher?
4. What is the difference between a block cipher and a stream cipher?
5. What are the two general approaches to attacking a cipher?
6. Why do some block cipher modes of operation only use encryption while others use both encryption and decryption?
7. What is triple encryption?
8. Why is the middle portion of 3DES a decryption rather than an encryption?
Format your assignment according to the following formatting requirements:
1. The answer should be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides.
The response also includes a cover page containing the title of the assignment, the student's name, the course title, and the date. The cover page is not included in the required page length.
3. Also include a reference page. The Citations and references should follow APA format. The reference page is not included in the required page length.