Intelligence

Cryptanalysis

The goal of cryptanalysis is to find some weakness or insecurity in a cryptographic scheme, thus permitting its subversion or…

February 24, 2015

Cryptologic Quarterly Articles

The following are documents from the Cryptologic Quarterly, declassified by the NSA. Disclaimer John H. Tiltman: A Reminiscence - Summer/Fall…

February 24, 2015

Venona Project

The Venona project was a long-running and highly secret collaboration between intelligence agencies of the United States and United Kingdom…

February 24, 2015

Cryptologic Almanac 50th Anniversary Series

The following documents have been released by the National Security Agency. 1996 Rosman Tracks on to the End August 1996…

February 24, 2015

Cryptology and the United States Intelligence Community

The following documents detail the use of Cryptology inside the United States Intelligence Community. Declassified Documents A History of U.S. Communications…

February 24, 2015

John Forbes Nash, Jr. Letters, National Security Agency

John Forbes Nash, Jr. (born June 13, 1928) is an American mathematician whose works in game theory, differential geometry, and…

February 24, 2015

Wasn’t All Magic: The Early Struggle to Automate Cryptanalysis

The National Security Agency has declassified an eye-opening pre-history of computers used for code-breaking between the 1930s and 1960s.  Special…

February 24, 2015

Operation Acoustic Kitty

Background Acoustic Kitty was a CIA project launched by the Directorate of Science & Technology in the 1960s attempting to…

February 23, 2015