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In general, however, German performance in code breaking was weak due to the fragmentation of responsibility and specialized personnel. [ citation needed ] The Navy's B-Dienst was an exception to the rule, although its successes largely ended when the Allies began using more sophisticated encryption methods by 1943.
It was employed extensively by Nazi Germany during World War II, in all branches of the German military. The Enigma machine was considered so secure that it was used to encipher the most top-secret messages. [1] The Enigma has an electromechanical rotor mechanism that scrambles the 26 letters of the alphabet. In typical use, one person enters ...
The Barbara Code (German: Barbaraschlüssel) consisting of figure cards for encoding artillery meteorological reports, e.g. weather constants like wind velocity at various heights, 100m, 200m, for Army and anti-aircraft units. Walter Fricke considered this code, a terrible system. It employed an additive with as many as 100 messages in depth.
The British read unsteckered Enigma messages sent during the Spanish Civil War, [15] and also some Italian naval traffic enciphered early in World War II. The strength of the security of the ciphers that were produced by the Enigma machine was a product of the large numbers associated with the scrambling process.
Cryptography was used extensively during World War II because of the importance of radio communication and the ease of radio interception. The nations involved fielded a plethora of code and cipher systems, many of the latter using rotor machines. As a result, the theoretical and practical aspects of cryptanalysis, or codebreaking, were much ...
From the early 1930s to the start of the war, Germany had a good understanding of, and indeed a lead in, both cryptoanalytic and cryptographic cryptology services. The various agencies had cracked the French–English inter-allied cipher, the Germans with some help from the Italian Communications Intelligence Organization stole American diplomatic codes, and codes taken from the British ...
Operation Sea Lion, also written as Operation Sealion [2] [3] (German: Unternehmen Seelöwe), was Nazi Germany's code name for their planned invasion of the United Kingdom. It was to have taken place during the Battle of Britain, nine months after the start of the Second World War.
Dubbed "Artus" by German Foreign Ministry. See IRA Abwehr World War II for all IRA Abwehr involvement. Karneval (1945) – airdrop of agents near Brussels and Waal; Mosul (1944) – air drop of agents and supplies near Mosul; Pastorius (1942) – separate landings of German agents on the US east coast with objective of industrial sabotage.