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CRYTOGRAPHY

CRYTOGRAPHY. PIGPEN CIPHER. Contents. Introduction History Advantages Disadvantages Explanation (how it works) Illustrated examples TEST! Cracking the code (how to break it). Introduction. Simple substitution cipher for symbols based on a grid.

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CRYTOGRAPHY

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  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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