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More information on Office of Strategic Services and Office of War...
In my essays Compromise of OWI - Office of War Information communications and Allen Dulles and the compromise of OSS codes in WWII i’ve looked into the compromise of OSS and OWI communications in WWII....
View ArticleCodebreaking software for classical ciphers
If you like playing around with codes and ciphers the CryptoCrack program created by Phil Pilcrow might be worth checking out. It’s free and can be downloaded here.
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I’ve added information from a report titled ‘Penetration and compromise of OSS in Switzerland and Western Europe’ in Allen Dulles and the compromise of OSS codes in WWII.I’ve also located a very...
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Update
In my essay German intelligence on operation Overlord the paragraph Another German agent in Lisbon said in May 1944: ‘the plan of attack favored by the Allies was an assault on La Manche (Cherbourg)...
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Reich security service and OKW/Chi reports
Intelligence services collect information from various sources such as magazines, journals, newspapers, government reports, secret agents etc. However the most accurate source has always been the...
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German special intelligence, the M-138 strip cipher and unrest in India
Signals intelligence and codebreaking played an important role in WWII. British and American codebreakers solved many important Axis crypto systems, such as the German Enigma machine and the Japanese...
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Compromise of US M-209 cipher machine prior to the invasion of Normandy
Sometimes the answer to an interesting question is right in front of us but we can’t see it because we’re not paying attention…In my essay German intelligence on operation Overlord I said about the...
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I added information from ‘Report on interrogation of Walter Schellenberg 27 June- 12 July 1945’ (which can be found in British national archives folder KV 2/95) in Intercepted conversations - Bell Labs...
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I have added the National Institute for Defense Studies articles ‘Japanese intelligence and the Soviet-Japanese border conflicts in the 1930s’ and ‘Japanese Intelligence and Counterinsurgency during...
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The British Typex cipher machine
In 1926, the British Government set up an Inter-Departmental Cypher Committee to investigate the possibility of replacing the book systems then used by the armed forces, the Foreign Office, the...
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I added SRH-349 ‘The Achievements of the Signal Security Agency (SSA) in World War II’ in the notes of French Hagelin cipher machines and information from SRH-361 ‘History of the Signal Security Agency...
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Overview of 2014
As the year comes to a close it’s time to look back at some of the top essays that I wrote in 2014, plus the ones that I extensively rewrote using new information.CryptologyUnited States cryptologic...
View ArticleUnanswered questions of WWII cryptology – progress report
Back in 2013 I wrote down several cases of WWII cryptologic history that require more research. Since then I’ve spent a lot of time and money trying to find new information. Has the effort paid off?...
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Fake history - ‘The imitation game’ trailer review
It’s not often that movies on WWII cryptology and signals intelligence appear on the big screen, probably because the subject matter is too complex for the general audience. A new movie, called ‘The...
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Fake history - ‘The imitation game’ movie review
Alan Turing was a legendary mathematician and a pioneer in the field of computer science. During WWII he worked for the Government Code and Cypher School, analyzing and solving Axis codes. His main...
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The wartime adventures of Prince Max Hohenlohe
During WWII the military forces of the Allies and the Axis battled in Europe and Asia but behind the scenes there were efforts to negotiate some sort of compromise peace. These efforts however never...
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I’ve added telegram No 2.181 in Allen Dulles and the compromise of OSS codes in WWII.
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I added the paragraph ‘Fuel tanks in the fighting compartment’ in WWII Myths - T-34 Best Tank of the war.
View ArticleTo err is human vol2
In ‘German special intelligence, the M-138 strip cipher and unrest in India’ I had said that the Western Allies were able to monitor the exchange of information on Allied codes and ciphers between...
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