Question: a . Write 5 differences between Substitution cipher and Transposition Cipher. [ 5 Marks ] b . Encrypt the given plaintext using columnar transposition cipher

a. Write 5 differences between Substitution cipher and Transposition Cipher. [5 Marks]
b. Encrypt the given plaintext using columnar transposition cipher and 4 columns. Show all the steps. [10 Marks]
TRY NOT TO GET HACKED
c. Write the mathematical function of Affine Cipher. Encrypt the text ZERO DAY ATTACK with the key (9,7) using Affine cipher. Show all the steps. [15 Marks]

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