Codes

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Across
  1. 2. Objects used in a Semaphore signal
  2. 5. Cipher that uses symbols or images to represent letters.
  3. 6. Language you read with your fingers
  4. 9. Person sent to gather information
  5. 10. Code using dots and dashes
  6. 12. 3D shape used to decode scytale cipher
Down
  1. 1. A cipher where each letter is shifted a fixed number of positions.
  2. 3. A disguised way of writing
  3. 4. Ultra _____ Light that reveals Invisible Ink
  4. 7. Type of cipher that uses a page, line, word code.
  5. 8. Cipher that use two circular papers to line up letters to decode.
  6. 9. Gesture used to inform or instruct
  7. 11. An act worthy of award
  8. 12. System of symbols used to communicate secretly