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cryptology vs. cryptography

[ krip-tol-uh-jee ]
  1. cryptography.
  2. the science and study of cryptanalysis and cryptography.
[ krip-tog-ruh-fee ]
  1. the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like.
  2. the procedures, processes, methods, etc., of making and using secret writing, as codes or ciphers.
  3. Computers.
    1. the study or process of using algorithms to scramble or hide data, validate messages and digital signatures, etc., in order to secure digital information against unauthorized access or corruption: Cryptography has been rapidly evolving to introduce more hacker-proof algorithms.
    2. an instance of this: The application’s cryptography provides a strong element of security, but is unlikely to be proof against all cyber threats.
  4. anything written in a secret code, cipher, or the like.

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