Introduction: A revolutionary cipher -- Cryptology before 1500: a bit of magic -- The black chambers: 1500-1776 -- Crypto goes to war: the American Revolution -- Crypto goes to war: the American Civil ...
"This book is a continuation of The history of codes and ciphers in the United States prior to World War I ... and is essentially volume 2 of Historical background of the Signal Security Agency, ...
The theory that statesman and scientist Francis Bacon was the ghostwriter behind Shakespeare, and embedded the Bard's plays with ciphers, had a major influence on modern cryptography. William F.
In 1931, Herbert O. Yardley published a tell-all book about his experiences leading a covert government agency called the Cipher Bureau Peter Zablocki | History Correspondent Herbert O. Yardley ...
A newly invented cipher may shed light on how the mysterious Voynich manuscript was made in medieval times.