Data Compression and Cryptography

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Across
  1. 2. An ancient cipher technique that shifts letters in the alphabet by a fixed number.
  2. 3. The process of converting data into an unreadable format to secure it
  3. 5. A type of cryptography that uses mathematical problems as the basis for security.
  4. 8. An encryption method that uses a single key for both encryption and decryption.
  5. 11. The method of hiding a message within another message.
  6. 13. A measure of the average number of bits needed to represent a symbol in a data stream.
  7. 14. A technique that reduces the size of data for storage or transmission.
Down
  1. 1. The process of converting encrypted data back into its original form.
  2. 4. A cipher technique that substitutes each letter with the one that appears a fixed number of positions down the alphabet
  3. 6. A commonly used encryption algorithm that's named after a German cryptographer
  4. 7. A symmetric-key block cipher used to encrypt data in various security applications.
  5. 9. This lossless compression algorithm is frequently used for text files
  6. 10. A popular lossless compression format for files
  7. 12. A method that replaces repeated sequences of characters with shorter representations