cryptography 30

(1)

Differentiate block ciphers from stream ciphers and contrast symmetric from asymmetric cryptography. Illustrate with examples. (Maximum: Half a Page)

(2)

(a) Compare monoalphabetic and polyalphabetic ciphers.

(b) Using the Caesar Cipher method, crack this coded message – decrypt the ciphertext – WXWRULDO.

Illustrate your work.

(Maximum: Half a Page)

At your spare time, play around with this tool – CrypTool ( see Information link) to gain more expereince with encryption.

Grading Rubric – Assignments	Maximum Points
1, Meets or exceeds established assignment criteria	45
2, Demonstrates an understanding of lesson concepts	45
3, Mechanics, punctuation, sentence structure, spelling that affects clarity, APA formatting	10
Total	100