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Khan Academy: Xor Bitwise Operation

Curated by ACT

If you've seen the lesson on the one-time pad, you know that it is the ultimate shift cipher. It involves the application of a random list of shifts equal to the length of the message. It's important to understand exactly how and why the one-time pad is unbreakable, or, perfectly secret.

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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)