Ernst Constantin Fetterlein (3 April 1873 – June 1944) was a Russian cryptographer who later defected to Britain. Fetterlein was born in St Petersburg...
4 KB (436 words) - 16:36, 13 March 2023
Denniston, Oliver Strachey, Dilly Knox, John Tiltman, Edward Travis, Ernst Fetterlein, Josh Cooper, Donald Michie, Alan Turing, Gordon Welchman, Joan Clarke...
90 KB (8,892 words) - 16:29, 5 December 2024
software • Enigmail • Enigma machine • Enigma rotor details • Entrust • Ernst Fetterlein • eSTREAM • Étienne Bazeries • Eurocrypt • EuroCrypt • Export of cryptography...
67 KB (2,933 words) - 10:14, 4 January 2025
diplomatic section, among them Dorothy Hyson, an American film actress, and Ernst Fetterlein, who had been Tsar Nicholas II's top cryptographer until the 1917 revolution...
9 KB (1,203 words) - 01:19, 24 November 2024
German cryptanalysts were also able to read the enciphered ones. Ernst Fetterlein was in the Tsarist Russian Ministry of Foreign Affairs from 1896 and...
7 KB (976 words) - 23:15, 5 July 2024
linguists were needed "at a place in Queen’s Gate". He was assigned to Ernst Fetterlein to work on Soviet diplomatic ciphers, with an Army officer, Capt. A...
3 KB (414 words) - 07:26, 1 April 2024