Perfect for beginners with simple, common vocabulary
Enigmatic Cipher Systems Uncovered
Moderate difficulty suitable for most players
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Across
- 1. Type of cipher that rearranges letters instead of substituting
- 2. Polyalphabetic cipher using a keyword to shift letters
- 3. Ancient Spartan tool involving a strip and rod cipher
- 5. A codeword list used in secret communication
- 6. Cipher using squares to encrypt pairs of letters
- 9. A Hebrew reversal cipher swapping A for Z
- 10. Nickname for a semi-classical cipher with shifting rules
- 13. Famous WWII German cipher machine
Down
- 4. A popular letter rotation cipher, halfway through alphabet
- 7. Square grid cipher named after an ancient Greek historian
- 8. Cipher with a single substitution alphabet
- 11. Cipher that uses part of the plaintext as key
- 12. Shift cipher favored by Roman dictator Julius
- 14. Short for hiding data within another medium
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