Moderate difficulty suitable for most players
Enigmatic Keys of Classic Codes
Moderate difficulty suitable for most players
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Across
- 1. Type of pad cipher used only once for perfect secrecy
- 2. A system for transforming readable text into secret writing
- 5. Input device used for substituting letters or digits
- 8. Short for hiding messages within other media
- 9. Action performed in shift ciphers to scramble letters
Down
- 3. Term for readable text before encryption
- 4. Famous German cipher machine of World War II
- 6. Polyalphabetic cipher using a keyword to shift letters
- 7. Shift cipher named after a Roman leader
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