Discussion: Cryptography
1. Discuss the notion of keys in cryptography.
Is a block better than a stream?
2. Differentiate block ciphers from stream ciphers and contrast symmetric from asymmetric cryptography. Illustrate with examples. (Maximum: Half a Page)
(a) Compare monoalphabetic and polyalphabetic ciphers.
(b) Using the Caesar Cipher method, crack this coded message - decrypt the ciphertext - WXWRULDO.
Illustrate your work.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.