cipher bureau

См. также в других словарях:

• Joint Cipher Bureau — The Joint Cipher Bureau is an agency of the Indian armed forces responsible for signals intelligence and cryptanalysis and co ordinating similar activities and operations of military intelligence agencies.Most current equipment providing tactical …   Wikipedia

• Narcotics Control Bureau — The Narcotics Control Bureau (NCB) is the chief law enforcement and intelligence agency of India responsible for fighting drug trafficking and the abuse of illegal substances.[1][2] Contents 1 Formation 2 Organization …   Wikipedia

• Deuxième Bureau — The Deuxième Bureau de l État major général (English: Second Bureau of the General Staff) was France s external military intelligence agency from 1871 to 1940. It was dissolved together with the Third Republic upon the armistice with Germany.… …   Wikipedia

• Block cipher — In cryptography, a block cipher is a symmetric key cipher operating on fixed length groups of bits, called blocks, with an unvarying transformation. A block cipher encryption algorithm might take (for example) a 128 bit block of plaintext as… …   Wikipedia

• Biuro Szyfrów — The Biuro Szyfrów ([ˈbʲurɔ ˈʂɨfruf] ( listen), Polish for Cipher Bureau ) was the interwar Polish General Staff s agency charged with both cryptography (the use of ciphers and codes) and cryptology (the study of ciphers and codes,… …   Wikipedia

• Marian Rejewski — (probably 1932, the year he first solved the Enigma machine). Courtesy of Janina Sylwestrzak, Rejewski s daughter. Born Marian Adam Rejewski August 16, 1905(1905 0 …   Wikipedia

• Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …   Wikipedia

• History of cryptography — The history of cryptography begins thousands of years ago. Until recent decades, it has been the story of what might be called classic cryptography that is, of methods of encryption that use pen and paper, or perhaps simple mechanical aids. In… …   Wikipedia

• Bomba (cryptography) — This article is about the Polish decryption device. For the later British decryption device at Bletchley Park, see Bombe. Contents 1 History 2 See also 3 …   Wikipedia

• Enigma machine — Military Enigma machine …   Wikipedia

• Gwido Langer — Lt. Col. Karol Gwido Langer (died March 30, 1948) was chief of the Polish General Staff s Cipher Bureau from at least mid 1931. By then, according to Polish military historian Władysław Kozaczuk, the Bureau had been formed by merger of the Radio… …   Wikipedia