(Answered) Question 1 differentiate block ciphers from stream ciphers

Engineering

Question: (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)

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