📜 A web app to encrypt & decrypt text using historical algorithms like Caesar, Vigenère, and Playfair.
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Updated
Aug 1, 2025 - JavaScript
📜 A web app to encrypt & decrypt text using historical algorithms like Caesar, Vigenère, and Playfair.
The public half of an educational materials demo sample
The Polybius square or Polybius checkerboard is a method for fractionating plaintext characters so that they can be represented by a smaller set of symbols.
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