All off-site links are selected carefully, based on information value and quality, and open in new tab. New links are marked with *
Crypto Museum (Paul Reuvers & Marc Simons) Enigma Museum (Tom Perera) Chiffriermachine (Patrick Heyes) Cipher History (Ralph Simpson) Crypto Machines (Jerry Proc) Bob Lord's Crypto Museum (Bob Lord) Dr Enigma (Mark Baldwin) Ultrasecret (Richard Brisson) Fialka Pages (Tom Perera) Crypto Room (Mark Blair) Crypto Cellar (Frode Weierud) US Navy Crypto Equipment (Nick England) Bletchley Park Museum Deutsches Museum Crypto Collection * Breaking German Navy Ciphers (M Hörenberg) Tony Sale's Codes & Ciphers Intelligenia.org (David Hamer) Enigma and the Bombe Erik Vestergaards Enigma page Enigma on the German U-Boats
NSA Center for Cryptologic History NSA Declassified Documents NSA Cryptologic Museum CrypTool - Cryptography & Cryptanalysis Cryptography for Everybody on Youtube CryptoBooks.org MysteryTwister C3 Handbook of Applied Cryptography Claude Shannon's Communications Theory John Savard's Crypto Pages Der SAS- und Chiffrierdienst Nicholas Gessler's Collection Simon Singh's Black Chamber Brooke Clarkes Crypto and EW pages International Conference on Cryptologic History American Cryptogram Association Practical Aspects of Modern Cryptography Ron Rivest' MIT pages CryptoCollectors at groups.io ENIGMA2000 Numbers Stations Monitoring RN Communications Branche Museum Loistava Information Security Didier Muller's Ars Cryptographica Crypto Law Survey
SIGINT Chatter SIGINT Historian (Tony Comer) Crypto Cellar Tales (Frode Weierud) Cipherbrain (Klaus Schmeh) Electrospaces Intelnews Unredacted FAS Secrecy News Lux Ex Umbra Christos Mil & Intel Corner Nuclear Secrecy Atomic Annihilation Atomic Skies COMSEC LLC - Spy vs Spy The SWLing Post Cyberwar (Matthijs R. Koot) Underground Tradecraft SpyBlog Cryptome The Intercept Loistava Blog
Enigma simulations by CSG Daniel Palloks Enigmas in Javascript Enigma Flash Simulation Arduino Enigma Simulator Enigma M3 Emulator on 101 Computing Public (E) Enigma from aperopia Virtual Colossus by Martin Gillow Virtual Enigma by Martin Gillow Turing & US Navy Bombe, Magnus & Hallenberg J-F Bouchaudy's' Crypto & Simulators J-F Bouchaudy's Bombe Simulator (zip) Dinah's C# Enigma Simulator
The National Security Archive Governmentattic.org The Nuclear Vault Federation of American Scientist Foundation for German communication RN Communications Branche Museum Espionage History Archive Naked Security War on the Rocks
Bletchely Park Podcast Cold War Conversations The Cold War Vault History of the Cold War Darknet Diaries SpyCast Spy Museum on C-SPAN True Spies (Spyscape) Spycraft 101 The Live Drop Secrets & Spies Naked Security Malicious Life (also at Cybereason)
© Dirk Rijmenants 2004. Last changes: 17 July 2025