Object Details author Dooley, John 1952- Contents Introduction: A revolutionary cipher -- Cryptology before 1500: a bit of magic -- The black chambers: 1500-1776 -- Crypto goes to war: the American ...

Frequency Analysis Decoder with GPT This Python script decodes monoalphabetic substitution ciphers by analyzing letter frequencies and using OpenAI's GPT-4o-mini model to perform the decryption. This ...