You received the following ciphertext iwtxcitgrteitsbthhpvthpnhiwtpiiprzlxaawpeetcid bdggdl The above cipher is encrypted using a substitution cipher....

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You received the following ciphertext "iwtxcitgrteitsbthhpvthpnhiwtpiiprzlxaawpeetcid bdggdl" The above cipher is encrypted using a substitution cipher. Show the working of decryption. i. Which cipher is used? ii. What is the value of the key? III. Decrypt the ciphertext and find the original plaintext. (1 mark) (1 mark) (2 marks) You received the following ciphertext "iwtxcitgrteitsbthhpvthpnhiwtpiiprzlxaawpeetcid bdggdl" The above cipher is encrypted using a substitution cipher. Show the working of decryption. i. Which cipher is used? ii. What is the value of the key? III. Decrypt the ciphertext and find the original plaintext. (1 mark) (1 mark) (2 marks)

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To decrypt a substitution cipher we can use frequency analysis which involves analyzing the frequenc... View the full answer