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The Pigpen Cipher: History, Advantages, and Decrypting Methods

Explore the history, advantages, and disadvantages of the Pigpen Cipher, a cryptographic system developed in the 18th century. Learn how it works, with illustrated examples and a cracking test included.

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The Pigpen Cipher: History, Advantages, and Decrypting Methods

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Presentation Transcript

  1. CRYTOGRAPHY PIGPEN CIPHER

  2. Contents • Introduction • History • Advantages • Disadvantages • Explanation (how it works) • Illustrated examples • TEST! • Cracking the code (how to break it)

  3. Introduction • Simple substitution cipher for symbols based on a grid. • Encryption system developed by the Freemasons.

  4. History • Developed in 18th century AD. • Used by the Freemasons for keeping record-keeping and correspondence private

  5. History • 1860s – American Civil War • Became popular for encrypting messages

  6. History • Origins of “PIGPEN” • Monoalphabetic • Key can be changed

  7. Advantages • Variability • Easy for encrypting party • Easy for receiving party

  8. Disadvantages • Monoalphabetic • Not sophisticated enough • Easily cracked • Frequency analysis

  9. Explanation(how it works)

  10. ILLUSTRATIONS

  11. TEST

  12. Decrypt This

  13. ANSWER

  14. Encrypt This Mathematics of passwords rule

  15. Answer!

  16. Cracking the Code • Frequency Analysis  Al-Kindi • E

  17. Thank You Done by: Gabriel, Darren, Yi Fan

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