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Lecture Security + Guide to Network Security Fundamentals - Chapter 8 include objectives: Define cryptography, secure with cryptography hashing algorithms, protect with symmetric encryption algorithms, harden with asymmetric encryption algorithms, explain how to use cryptography. | Chapter 8 Scrambling Through Cryptography Security Guide to Network Security Fundamentals Second Edition Objectives Define cryptography Secure with cryptography hashing algorithms Protect with symmetric encryption algorithms Harden with asymmetric encryption algorithms Explain how to use cryptography Cryptography Terminology Cryptography science of transforming information so it is secure while being transmitted or stored Steganography attempts to hide existence of data Encryption changing the original text to a secret message using .