1. Cryptography evolution and vocabulary
An introduction to cryptography, showing a few episodes in its evolution, is certainly very instructive, so we'll start by mentioning some of the methods used over the centuries to preserve the secrecy of communications.
1.1 Cryptography before computers
Ancient historians (Herodotus, Thucydides...) have already given some indication of the forms of secret writing used in their time. The first attested use (for political purposes) of this type of technique is reported...
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Cryptography evolution and vocabulary
Elementary mathematics of cryptography
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