Question: 9) Encrypt the message DANGERAHEAD using the columnar transposition cipher with the key 3 4 1. Use X for padding, if needed. 10) Construct the

9) Encrypt the message "DANGERAHEAD" using the columnar transposition cipher with the key "3 4 1". Use "X" for padding, if needed. 10) Construct the Playfair matrix using the keyword ENIAC and then encrypt the message "electronicCPU". Show the bigrams you used as inputs to the matrix. Plaintext bigrams: Encrypted message

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