Bombe
E1019465
The Bombe was an electromechanical device developed by Allied cryptanalysts during World War II to help decipher encrypted German messages, particularly those encoded by the Enigma machine.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
codebreaking machine
ⓘ
electromechanical cryptanalytic device ⓘ |
| alsoKnownAs | Turing–Welchman Bombe NERFINISHED ⓘ |
| basedOn | Polish Bomba kryptologiczna NERFINISHED ⓘ |
| builtBy |
British Tabulating Machine Company
NERFINISHED
ⓘ
National Cash Register Company NERFINISHED ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| decommissioned | after World War II ⓘ |
| designedToAttack | Enigma cipher NERFINISHED ⓘ |
| developedAt | Bletchley Park NERFINISHED ⓘ |
| developedBy | Allied cryptanalysts ⓘ |
| developedFor | Government Code and Cypher School NERFINISHED ⓘ |
| field | cryptanalysis ⓘ |
| firstOperational | 1940 ⓘ |
| influencedBy | Polish Cipher Bureau methods ⓘ |
| keyContributor |
Alan Turing
NERFINISHED
ⓘ
Gordon Welchman NERFINISHED ⓘ Harold Keen NERFINISHED ⓘ Marian Rejewski NERFINISHED ⓘ |
| locatedAt |
Bletchley Park Hut 11
NERFINISHED
ⓘ
Bletchley Park Hut 11A NERFINISHED ⓘ |
| modernReconstructionLocation | Bletchley Park museum NERFINISHED ⓘ |
| mostOriginalMachinesStatus | dismantled ⓘ |
| numberBuilt |
over 100 units (US Navy Bombes)
ⓘ
over 200 units (British Bombes) ⓘ |
| operatedBy |
British Army personnel
ⓘ
US Navy personnel NERFINISHED ⓘ Women's Royal Naval Service NERFINISHED ⓘ |
| primaryPurpose | decipher German encrypted messages ⓘ |
| producedOutput | candidate Enigma keys ⓘ |
| relatedTo | Enigma machine NERFINISHED ⓘ |
| requiredInput | cribs (known plaintext guesses) ⓘ |
| significance |
accelerated decryption of German military communications
ⓘ
considered an early step in computing history ⓘ contributed to Allied intelligence advantage ⓘ |
| technologyType |
electromechanical relays
ⓘ
plugboard wiring ⓘ rotating drums ⓘ |
| usedAgainst |
German Air Force Enigma
NERFINISHED
ⓘ
German Army Enigma NERFINISHED ⓘ German Navy Enigma NERFINISHED ⓘ |
| usedBy |
Poland
NERFINISHED
ⓘ
United Kingdom NERFINISHED ⓘ United States NERFINISHED ⓘ |
| usedDuring | World War II ⓘ |
| usedToDetermine |
Enigma daily key settings
NERFINISHED
ⓘ
Enigma plugboard connections ⓘ Enigma rotor order ⓘ Enigma rotor positions ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.