CryptoMuseum @cryptomuseum
Crypto Museum is all about historical cipher machines, spy radio sets, covert equipment, radio direction finders, intercept, spy cameras and much, much more. cryptomuseum.com Eindhoven Joined March 2011-
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I have loved learning about this machine and have poured many, many hours into creating this simulation. Do take a look and let me know what you think! If you have an Android phone, try clicking on the "Start AR" option, you may be able to have your very own SG-41 on your table!
Released today: Virtual Schlüsselgerät 41 This cipher machine, based on Hagelin C-38 but WAY more complex was set to replace Enigma. Over a year of work & research & it's ready for you to try for yourself. sg41.virtualcolossus.co.uk @tnmoc @GCHQ @bletchleypark @cryptomuseum @threejs
This wristwatch was used from 1974 onward by the German Federal Intelligence Service (BND). It contains a covert transmitter that can be used by an intelligence officer to signal a distress situation. cryptomuseum.com/covert/bugs/te…
As well as working on modelling & animating the complex paper feed mechanism, I've been having a play adding a few extra visuals. Some useful (hiding specific parts of the mechanism to see how it works) and some just eye candy! @tnmoc @bletchleypark @threejs @cryptomuseum
This receiver from Watkins-Johnson played an important role in the Watergate Scandal (1972-1974) that eventually led to the resignation of US President Nixon in 1974. cryptomuseum.com/df/wj/rs111/
I broke more than fixed this week! I'd placed a few items in the machine out of line so last few bits didn't fit in. Had to check scan and correct placing. All fixed now! The question to answer today - "What happens if you run out of paper?" @bletchleypark @tnmoc @cryptomuseum
@cryptoron Deze is op zijn vroegst van 1952.
@rpmeier @cryptoron Interesse in de geschiedenis van de Nederlandse cryptografie. De verzoeker heeft daar een boek over geschreven en is bij zijn onderzoek ander materiaal tegengekomen dat de moeite waard was om te onderzoeken. In dit geval betreft het een systeem dat nooit in gebruik is genomen.
@Joostnietsmeer @cryptoron Het heeft er alle schijn van dat de weigeringsgrond door de Landmacht volledig uit de duim is gezogen, maar het is de vraag of dat boven water zal komen, omdat een beroep wordt gedaan op de wet op de staatsgeheimen.
@Joostnietsmeer @cryptoron We hebben helemaal niemand kunnen vinden die ooit van dit systeem heeft gehoord, laat staan heeft gebruikt. En dat is logisch, want de BVD kon het vrij eenvoudig kraken.
@Joostnietsmeer @cryptoron De reden van weigering is dat onthulling van de gebruikte techniek het landsbelang ziu schaden. Volgens de Landmacht zou deze techniek tot 1992 zijn gebruikt, maar dat is een zeer twijfelachtige claim die niet met bewijs is gestaafd.
@SeKuRiGo @Joostnietsmeer @cryptoron In dit geval is de techniek nooit gebruikt, dus gaat het verhaal van het laatste gebruik niet op. Bovendien is het 1960 en niet 1992. Verder denk ik dat die 50 jaar niet klopt, maar zelfs als dat wel het geval is, is die termijn ruimschoots verstreken.
@Joostnietsmeer @cryptoron Interesse in de geschiedenis van de Nederlandse cryptografie. De verzoeker heeft daar een boek over geschreven en is bij zijn onderzoek ander materiaal tegengekomen dat de moeite waard was te onderzoeken. In dit geval betreft het een systeem dat nooit in gebruik is genomen.
@cryptoron Ik ken de verzoeker, en het is een absolute schande dat hem dit wordt geweigerd. Zelfs binnen TNO heeft dit wenkbrauwen doen fronsen. Iemand bij de Landmacht houdt dit tegen, maar wie en waarom is onduidelijk. Dit gaat beslist op een rechtszaak uitdraaien.
This device was used by the German Army to capture and decode Yugoslav telegraphy signals in Kosovo: cryptomuseum.com/telex/rs/ga082…
I've been learning about the SG-41, a mechanical pin-wheel cipher machine, developed as a replacement candidate for Enigma. This is complex, but I'm up for the challenge so ... introducing Virtual SG-41. Follow along as I try to work it out! @bletchleypark @tnmoc @cryptomuseum
Check out this power supply unit of 1965. It was used with the Fialka cipher machine (M-125) and proves that the Russians were well aware of TEMPEST and side-channel attacks. cryptomuseum.com/crypto/fialka/…
@dehypokriet You can contact us at [email protected]
Full description of the recently rediscovered 'Condenser PBJ' rotor-based cipher machine (1922-1924), now on the Crypto Museum website: cryptomuseum.com/crypto/pbj/
New discovery: the 'Condenser PBJ' rotor-based cipher machine was developed between 1922 and 1924 and was used until 1934 by the Czechoslovak Army. Full reconstruction now online in Cryptologia (free access) tandfonline.com/doi/full/10.10…
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