Tunny cipher
E1019469
The Tunny cipher was a high-level German teleprinter encryption system used during World War II for strategic communications, whose interception and decryption at Bletchley Park significantly aided Allied codebreaking efforts.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
German teleprinter cipher
ⓘ
World War II cryptographic system ⓘ cipher ⓘ |
| alphabet | Baudot code NERFINISHED ⓘ |
| alsoKnownAs |
Fish cipher
NERFINISHED
ⓘ
Tunny NERFINISHED ⓘ |
| analyzedBy |
Bill Tutte
NERFINISHED
ⓘ
Max Newman NERFINISHED ⓘ Ralph Tester NERFINISHED ⓘ |
| basedOn |
Lorenz SZ40
NERFINISHED
ⓘ
Lorenz SZ42 NERFINISHED ⓘ |
| breakingMethod |
crib-based attacks
ⓘ
mathematical analysis ⓘ statistical analysis ⓘ |
| brokenAt | Bletchley Park NERFINISHED ⓘ |
| brokenBy | Bill Tutte NERFINISHED ⓘ |
| brokenCountry | United Kingdom NERFINISHED ⓘ |
| cipherType |
additive stream cipher
ⓘ
stream cipher ⓘ |
| decryptedBy |
Bletchley Park
NERFINISHED
ⓘ
Government Code and Cypher School NERFINISHED ⓘ |
| developedBy | German military ⓘ |
| discoveredBy | British signals intelligence NERFINISHED ⓘ |
| distinctFrom | Enigma cipher NERFINISHED ⓘ |
| encryptionDevice |
Lorenz SZ40
NERFINISHED
ⓘ
Lorenz SZ42 NERFINISHED ⓘ |
| importance |
contributed to Allied strategic decision-making
ⓘ
provided intelligence on German High Command communications ⓘ significant factor in Allied codebreaking success ⓘ |
| interceptedBy | Bletchley Park NERFINISHED ⓘ |
| medium |
landline teleprinter circuits
ⓘ
radio ⓘ |
| operatedOn | 5-bit teleprinter code ⓘ |
| relatedTo |
Enigma machine
NERFINISHED
ⓘ
Lorenz cipher NERFINISHED ⓘ |
| securityLevel | high-level ⓘ |
| supportedByMachine |
Colossus computer
GENERATED
ⓘ
Heath Robinson GENERATED ⓘ |
| targetOf | Allied signals intelligence operations ⓘ |
| timePeriod |
1942–1945
ⓘ
early 1940s ⓘ |
| usedBy |
German High Command
NERFINISHED
ⓘ
Nazi Germany NERFINISHED ⓘ |
| usedByUnit |
German Army High Command
NERFINISHED
ⓘ
Oberkommando der Wehrmacht NERFINISHED ⓘ |
| usedFor |
high-level strategic communications
ⓘ
teleprinter communications ⓘ |
| usedInConflict | World War II ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.