Frode Weierud’s CryptoCellar
Cryptology and Its History
The Flossenburg Messages and The Murder of General Rabenau
Breaking German Wehrmacht Ciphers
The Lorenz Schlüsselzusatz SZ42
The Enigma Collection
Enigma Development and Production History
Wehrmacht Manual Ciphers
Modern breaking of Enigma ciphertexts
The Biafran Ciphers
Scharnhorst’s Last Message?
The Kryha Machine
The Research Corner
Don’t forget to visit my Blog
CryptoCellar Tales.
That is where I present the latest news, new ideas or work,
and other more dynamic content.
The Alexander Papers
Turing’s Treatise on Enigma
Historical Papers
Translation of Lars Ulfving’s paper on Swedish Codebreaking
Bletchley Park’s Sturgeon, The FISH That Laid No Eggs
by Frode Weierud,
The Rutherford
Journal , Vol. 1, Dec. 2005
Professor William T. Tutte’s paper on FISH
The General Report on Tunny on Alan Turing.net
PURPLE History — “Preliminary Historical Report
On the Solution of the “B” Machine”
by William F. Friedman
“The Origins of the National Security Agency, 1940 – 1952”
by Thomas L. Burns
“The Quest for Cryptologic Centralization and the Establishment of NSA:1940 – 1952"
by Thomas L. Burns. Public and redacted version of study above.
European Axis Signal Intelligence in World War II
As Revealed by “TICOM” Investigations and by Other Prisoner of War Interrogations and
Captured Material, Principally German. In Nine Volumes. Chief, Army Security Agency,
1 May 1946, WDGAS-14.
“The Gulf of Tonkin” Documents Released by NSA
Studies on Cryptology, NSA, Record Group 457,
Records of the National Security Agency.
The Korean War: The SIGINT Background
by David A. Hatch with Robert Louis Benson, NSA
SIGSALY Secure Digital Voice Communications in World War II
The Invisible Cryptologists: African-Americans, WWII to 1956
NSA Monographs and Other Historical Documents
German Cipher Machines of World War II
by David Mowry, NSA
Securing Record Communications: The TSEC/KW-26
by Melville Klein, NSA
Eavesdropping on Hell: Historical Guide to Western Communications
Intelligence and the Holocaust, 1939 – 1945
by Robert J. Hanyok, NSA
Spartans in Darkness: American SIGINT and the Indochina War, 1945 – 1975
by Robert J. Hanyok, Center for Cryptologic History, NSA, 2002
American Cryptology during the Cold War, 1945 – 1989,
by Thomas R. Johnson, NSA Cryptologic History Series VI, 1995
A Few NSA Monographs from the Pacific Theatre in WW II
The William F. Friedman Collection
(A Cryptological Gold Mine. Start digging!)
NSA Bibliographies
(The Memory Hole Web Site was closed in 2009.
I therefore provide local copies here. )
Documents published by Tony Sale
Captain Walter J. Fried’s Fish Reports
Cryptology Papers and Thesis
The Applications of Genetic Algorithms in Cryptanalysis
The History of Non-Secret Encryption by J. H. Ellis, CESG, UK
(Local copy )
The Possibility of Secure Non-Secret Digital Encryption by J. H. Ellis, CESG, UK
(Local copy )
A Note on ‘Non-Secret Encryption’ by C.C. Cocks, CESG, UK
(Local copy )
Non-Secret Encryption Using a Finite Field by M. J. Williamson, CESG, UK
(Local copy )
Thoughts on Cheaper Non-Secret Encryption by M. J. Williamson, CESG, UK
(Local copy )
NSA Documents on Non-Secret Encryption
Frode’s Publications
Software and Simulations
Historical Cipher Machines
Dictionaries and Glossaries
Kid’s Corner
Bits and Pieces
The CrypTool Portal —
The Hands-On Cryptology Site, Learn by Doing.
CrypTool 2 —
The Swiss Army Knife of Cryptology.
Visit Bletchley Park A Guided Tour with Tony Sale
Tony Sale’s Codes and Ciphers Page
The National Museum of Computing —
The home of Colossus and the Turing-Welchman Bombe.
TNMOC — Colossus
TNMOC — The Turing-Welchman Bombe
The Original Bombe Rebuild Project
Inauguration of The Bombe Rebuild Project
(Audio Recoding by BBC/Radio 4 – needs RealPlayer )
The Enigma and the Bombe
Bengt Beckman,
Codebreakers: Arne Beurling and the Swedish Crypto Program during World War II
Read my review of the Swedish edition:
Sweden, Cryptographic Superpower
Michael Smith and Ralph Erskine (eds.),
Action This Day: Bletchley Park from the breaking of the Enigma Code
to the birth of the modern computer
List of Contents
B. Jack Copeland (Editor),
The Essential Turing: Classic Writings on Minds and Computers
Read a sample chapter; Jack Copeland on Enigma
B. Jack Copeland (Editor),
Colossus: The Secrets of Bletchley Park’s code-breaking computers
Or read about it online:
Colossus: The First Large Scale Electronic Computer
Paul Gannon,
Colossus: Bletchley Park’s Greatest Secret
Secret Code Breaker Online
Cryptography for All Ages, Age 8 and Up
The Cipher Challenge Cracked
Swedish Codebreakers still show their excellence,
“How we Cracked the Code Book Ciphers ”
or read the
HTML Version
Index to Intelligence and National Security
Index to International Journal of Intelligence and CounterIntelligence
Want to be a Cryptanalyst? Take
DSD’s “Aptitude Test”.
Cryptology Books by Randall K. Nichols (LANAKI)
Former President of
The American Cryptogram Association :
Coding Theory and Cryptography:
From Enigma and Geheimschreiber to Quantum Theory
The proceedings of the Conference on Coding Theory,
Cryptography, and Number Theory
held at the U.S. Naval Academy during October 25-26, 1998.
List of Contents in PDF Format
Crypto Links
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