Fundamentals of Cybersecurity (Middle School) - Explore | CodeHS

The ABCs of Cryptography

1.1 Cryptography, Cryptology, Cryptanalysis

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1.2 History of Cryptography

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1.3 Basic Crypto Systems: Caesar Cipher

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1.4 Basic Crypto Systems: Cracking Caesar

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1.5 Basic Crypto Systems: Vigenere Cipher

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1.6 The ABCs of Cryptography Quiz