Please answer with Linux 3. Encrypt the message \"CAT\" with the Cæsar cipher wi

Question

Please answer with Linux

3. Encrypt the message "CAT" with the Cæsar cipher with K-0. Provide the resulting ciphertext. Solve "on paper" and show your character mapping table 4. Encrypt the message "DOG with the Cæsar cipher with K-13. Provide the resulting ciphertext. Solve on paper and show your character mapping table. 5. Encrypt the message "ATTACK" with the Cæsar cipher with K-25. Provide the resulting ciphertext. Solve using linux and the "tr" command. Provide the command string you used and capture and submit the text from the linux window showing the operation of the command. A screenshot image is also acceptable.

Explanation / Answer

3 CAT with K= 0 the ciphertext is CAT

Cesar script is shifting k alphabets backeards. With K = 0
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ

4.DOG ---> QBT

ABCDEFGHIJKLMNOPQRSTUVWXYZ
NOPQRSTUVWXYZABCDEFGHIJKLM

5. The linux command is as follows:
   with K = 25

echo "TEXT" | '[A-Z]' '[B-ZA-B]'

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