Secret Communication Learning Cluster

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Across
  1. 8. - The cryptographic principle ensuring that information is not altered during transmission.
  2. 10. - A cryptographic method relying on quantum mechanics for secure key exchange.
  3. 13. - A cipher that rearranges plaintext characters.
  4. 15. - The study of cryptographic techniques and systems.
  5. 16. - A secure encryption standard introduced in 2001 by NIST.
  6. 17. - A cipher type that replaces plaintext characters with other characters.
Down
  1. 1. - The practice of hiding messages within non-secret text or media.
  2. 2. - The process of converting ciphertext back into plaintext.
  3. 3. - The process of converting plaintext into ciphertext.
  4. 4. - The first method to break substitution ciphers using letter frequencies.
  5. 5. - The British mathematician who led efforts to crack Enigma during WWII.
  6. 6. - The secret value used in encryption and decryption processes.
  7. 7. - The machine used by the Germans in WWII for encrypted communication.
  8. 9. Function - The mathematical function used to create fixed-size hashes from input data.
  9. 11. - A symmetric encryption algorithm that encrypts data in blocks.
  10. 12. Signature - The process of verifying the authenticity of a digital document.
  11. 14. Pad - A theoretically unbreakable cipher using a random key as long as the message.