Vernam Cipher (One-Time Pad): The Only Unbreakable Encryption Method 🔐

The Vernam cipher (aka the one-time pad, or Vigenere OTP) is the only encryption algorithm with perfect security, meaning it is unbreakable. The general concept of computational security is explained and also how XOR is used in this cipher. Then I explain the reasons why the Vernam cipher isn't really useable in 'real life'.

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