Question $2$: $(30$ marks$)$

A manager of bank decided to use Caesar Cipher with digraph coding to encrypt the

plaintext $$city$,$ assuming a key of $289,$ what will be the ciphertext? Show your work in

detail and write the final ciphertext as one message.

Hint: Use the below coding table that converts alphabet to numbers.Ouestion $2$:

$(30$ marks$)$

A manager of bank decided to use Caesar Cipher with digraph coding to encrypt the

plaintext "city", assuming a key of $289,$ what will be the ciphertext? Show your work in

detail and write the final ciphertext as one message.

Hint: Use the below coding table that converts alphabet to numbers.