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