Information on State Department codes and ciphers
NARA has uploaded the microfilms containing entries on WWII era State Department codes and ciphers.The entries dealing with cryptology are the 119.25. Microfilm 444Microfilm 445Microfilm 611
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Update
In Compromise of State Department communications in WWII I made the following correction. I had written that the M-325 SIGFOY cipher machine was introduced into service in the second half of 1944,...
View ArticleInformation on French codes and ciphers of WWII
Two very interesting articles from the ‘Bulletin de l’ARCSI’:1). Bulletin N°3 1975: Essai d'historique du Chiffre (Add. N°3) by Général Ribadeau-Dumas.2). Bulletin N°4 1976: Essai d'historique du...
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In the essays French Hagelin cipher machines and The French War Ministry’s FLD code I added information from the ‘Bulletin de l’ARCSI’ articles ‘Essai d'historique du Chiffre’. Specifically in the...
View ArticleHistocrypt 2019 program
The program for the International Conference on Historical Cryptology 2019 has been posted.For me the more interesting presentations (based on the titles) are: 4. Eugen Antal, Pavol Zajac and Otokar...
View ArticleInteresting article on the German codebreakers of WWII
German mathematicians and cryptology in WWII by Frode Weierud and Sandy Zabell.
View ArticleHistocrypt 2019 proceedings
International Conference on Historical Cryptology 2019 proceedings
View ArticleGerman cipher security reports from 1944
I have uploaded the following documents to my TICOM folder:1). Report titled: ‘Überprüfung der Sicherheit eigener Geheimschriften’ dated 25 August 1944.Source: Württembergische Landesbibliothek...
View ArticleInteresting articles
From the ‘Journal of Slavic Military Studies’:1). ‘On the Role of Soviet Intelligence During the Preparation of the Red Army for the Summer Campaign of 1943’ by Valerii Nikolaevic Zamulin.2)....
View ArticleCryptologic history Symposium 2019
The program for the NSA’s Cryptologic history Symposium has been posted.There seem to be some interesting presentations about WWII and the Cold war period. For example:Dr. George Lasry Modern...
View ArticleNew finding aid for the TICOM collection in the Political Archive of the...
Some time ago I posted the finding aid for the TICOM collection in the Political Archiveof the German Foreign Ministry (excel file).Now a new finding aid is available with a short description of each...
View ArticleWW2 double cross had no effect on bombardment of London by V2 rockets
Interesting MailOnline article.
View ArticleStill waiting for the FOIA reports
I requested TICOM report I-40 from the NSA back in 2015. It’s August 2019 and it has not been reviewed yet….I requested the Henriksson report from the State Department in June 2018 and as of August...
View ArticleUpdate
In the essay French Hagelin cipher machines I made a correction regarding the solution of the Hagelin C-36 by the German Army codebreakers. I had written that the device proved secure in 1939-40 but in...
View ArticleThe case of the Rote Kapelle
I have uploaded the British report KV 3/349‘The case of the Rote Kapelle’ (only parts 1 and 2).Google drive link.
View ArticleInteresting Russian articles on their WWII cryptology/codebreaking operations
На Волге широкой"Мы вернулись домой в Севастополь родной..."Радиомолчание порой дороже золотаЗавод Кулакова
View ArticleHistorical overview of the Enigma G cipher machine
‘Enigma G: The counter Enigma’ by David Kenyon & Frode WeierudThe article also has a reference to this interesting history of Abwehr radio communications:‘Technik und Verfahren der...
View ArticleGCHQ official history delayed?
It seems that the upcoming book ‘Behind the Enigma: The Authorised History of GCHQ, Britain’s Secret Cyber Intelligence Agency’ has been delayed till October 2020.
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