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Cryptography Slides
A curated collection of interactive HTML presentation decks, slide outlines, and topics covering Cryptography.
Popular presentations about Cryptography
Mathematics32 slides
Cryptography
Three thousand years of attempts to make a message readable to its intended recipient and unreadable to anyone else. Until 1976, all of it ran on the same fundamental architecture. Then everything changed.
Mathematics13 slides
Mathematical Cryptography
A substitution cipher maps each plaintext letter to a fixed ciphertext letter. Caesar's shift is a special case: c ≡ p + k (mod 26) .
Technology14 slides
Cryptography / Declassified
Julius Caesar protected military dispatches with a substitution so simple a soldier could memorize it: shift every letter of the plaintext forward by three positions in the alphabet.