Moderate difficulty suitable for most players
Secret Codes and Cipher Mysteries
Moderate difficulty suitable for most players
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Across
- 1. To shift letters through the alphabet as in a Caesar cipher
- 2. Short for the science of encoding and decoding information
- 3. Information meant to be kept hidden or confidential
- 4. A method of transforming text to conceal its meaning
- 8. To convert coded text back into readable form
- 9. A fixed-length output from a variable-length input, often used in security
- 10. Type of cipher that encrypts fixed-size groups of bits
Down
- 5. Historic WWII machine used for encrypting secret messages
- 6. Term for readable text before it’s encrypted
- 7. A word used to control the scrambling in a polyalphabetic cipher
- 11. Prefix for hiding messages in images or audio files
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