Chapter 2

A Cryptography Primer

Scott R. Ellis, EnCE, RCA,    kCura – Relativity Infrastructure Engineering, Manager

Cryptography, as a word, literally means the “study of hidden writing.” It comes from the Greek κρυπτentς, “hidden, secret”; and from γράφειν, graphein, “writing,” or -λογentα, -logia, “study.”1 In practice, it is so much more than that. The 0s and 1s of compiled software binary, something that frequently requires encryption, can hardly be considered “writing.” Were a new word for cryptography to be invented today, it would probably be “secret ...

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