Historical Cryptography

Last updated Apr 20, 2023

• Sapling
• Crypto

• Egypt 1900 BC
  • Hieroglyphics
• Assyria 1500BC
  • Cuneiform
• Spartan Scytale
  • Transposition Cipher by writing message on parchment wrapped around a rod
• 1518 Johannes Trithemus wrote the first book on cyrptography
• Vigenere Cipher
• Sir Francis Bacon
• Thomas Jefferson
  • Wheel Cipher
    • Led to development of M209
• Grippenstierna Machine in Sweden
• William Friedman
  • Coined the phrase “Cryptanalysis”
  • Established school for cryptanalysis
  • Later moved to Maryland and began the cryptanalysis capability that grew into the NSA