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ATARMAxxing · QCE Digital Solutions revision notes

Writing pseudocode for Caesar, Vigenère, Gronsfeld and one-time pad algorithms

Encryption algorithms in pseudocode
Topic 3 · Unit 4 Topic 3 — Prototype digital data exchanges

What this note covers

  1. From letters to numbers: the shared building blocks
  2. Caesar cipher in pseudocode
  3. Vigenère cipher in pseudocode
  4. Gronsfeld cipher in pseudocode
  5. One-time pad in pseudocode
  6. Testing, commenting and evaluating cipher algorithms

6 sections · 10 key terms & formulas · 6 common mistakes

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