Thursday, December 22, 2011


I uploaded file TICOM DF-112 ‘’Russian decryption in the former German army’’ by Alex Dettmann chief of the Russian section of the Army Signal intelligence agency OKH/GdNA (previously In. 7/VI ).

Calling the file interesting would be an understatement of massive proportions. Dettmann gives an overview of all the Russian code systems plus the success that German sigint had against them. The information on the high level codes ( Army and Airforce 5-figure, NKVD 4-figure) is the most important.

I have to thank mr Michael van der Meulen for sending me this file.

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