Across
- 2. Decentralized ledger technology using cryptographic principles
- 4. Fixed-length output of a one-way function
- 5. Secret or encoded form of writing
- 10. Must be kept secret by its owner
- 11. Type of computing that threatens classical encryption
- 12. Widely used symmetric encryption standard (abbr.)
- 13. Public-key cryptosystem named after its inventors (abbr.)
- 16. Method of trying every possible key until decryption succeeds
- 17. Verifying the identity of a user or system
- 18. Process of converting plaintext into ciphertext
- 20. Cipher that rearranges letters instead of substituting them
- 22. Encryption that uses a public and a private key pair
- 25. Assurance that data has not been altered
- 27. Cipher replacing one symbol with another
- 29. The original, readable message before encryption
- 30. Encryption where the same key is used for both directions
Down
- 1. Small data value used to verify file integrity
- 3. The scrambled, unreadable output of encryption
- 6. Simple substitution cipher named after a Roman general
- 7. A number used once to ensure uniqueness in encryption
- 8. Reversing ciphertext back to plaintext
- 9. Shared openly for anyone to encrypt data
- 14. Essential value used to encrypt or decrypt data
- 15. Random data added to a password before hashing
- 19. Common secret used for authentication
- 21. Step-by-step method used in encryption or decryption
- 23. Hiding messages within images or other media
- 24. Measure of randomness or unpredictability in cryptography
- 26. “One-time pad,” theoretically unbreakable cipher (abbr.)
- 28. Cryptographic proof that a message came from a specific sender