CrosswordMint
Cryptic Codes and Secret Symbols
Moderate difficulty suitable for most players
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Across
  • 1. Code using dots and dashes to represent letters
  • 2. A polyalphabetic cipher named after a French diplomat
  • 3. Hidden or secretive, especially in transmitting messages
  • 4. The act of writing instructions in a systematic way
  • 5. Relating to secret writing or codes
  • 6. Ancient alphabet letters sometimes used as secret symbols
  • 12. Native American code talkers' language during WWII
  • 13. Common term for someone who might use signal flags
  • 16. Base-2 numeral system used in computer encoding
  • 17. To convert coded text back into readable information
  • 19. A function transforming data into a fixed-size string
Down
  • 7. Famous WWII machine used to encrypt German communications
  • 8. A puzzle using pictures to represent words or parts of words
  • 9. Describing something mysterious or difficult to understand
  • 10. Hidden or underlying meaning within a written work
  • 11. Prefix relating to hiding information within an image or file
  • 14. Input device often used to enter coded sequences
  • 15. An ancient substitution cipher reversing the alphabet
  • 18. A method of transforming text to hide its meaning
  • 20. Something kept hidden or concealed intentionally

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