The Imperial Japanese Navy’s Crypto Machines
Professor Chris Christensen will describe the cipher machines designated as JADE and explore some of the ideas used by the US Navy in their attack on JADE.
The National Museum of Computing
Chris Christensen
JN-25: The Imperial Japanese Navy’s Primary World War II Naval Cipher
Professor Chris Christensen will explore the structure and evolution of the cipher and describe the basic ideas of the codebreaking attacks on JN-25..
The National Museum of Computing