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Problem: a. Use the Affine cipher algorithm with kl=7, k2=11 to encrypt the following message: I want to get a hundred in this exam b.

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Problem: a. Use the Affine cipher algorithm with kl=7, k2=11 to encrypt the following message: I want to get a hundred in this exam b. When the PT-109 American patrol boat, under the command of Lieutenant John F. Kennedy, was sunk by a Japanese destroyer, a message was received at an Australian wireless station in Playfair code: UREBEZWEHEKXJEY The key used was new royal. Decrypt the message

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