Applied math
Journey into Cryptography

Ancient Cryptography

  1. What is Cryptography?
  2. Probability Space
  3. Probability space
  4. The Caesar Cipher
  5. Caesar Cipher Exploration
  6. Frequency Fingerprint Exploration
  7. Polyalphabetic Cipher
  8. Polyalphabetic Exploration
  9. The One-Time Pad
  10. Perfect Secrecy Exploration
  11. Frequency Stability
  12. Coin flip sequences
  13. Frequency Stability Exploration
  14. The Enigma Encryption Machine (case study)
  15. Perfect Secrecy
  16. Pseudorandom Number Generators

Polyalphabetic Exploration Try out a polyalphabetic cipher