Codebreaking and Signals Intelligence (Routledge Library Editions: International Security Studies) - Softcover

Inhaltsangabe

This book, first published in 1986 and an essential study of signals intelligence, examines Tsarist codebreakers and cryptanalysis during the Weimar Republic; the history of the Government Code and Cypher School; the Ultra programme; hand cyphers and wartime sigint; and surveillance under the Vichy regime.

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