Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
crypt
|
| gptkbp:brokenBy |
gptkb:Bletchley_Park
gptkb:Allied_cryptanalysts |
| gptkbp:component |
fourth rotor
thin reflector (Umkehrwalze D) |
| gptkbp:countryOfOrigin |
gptkb:Nazi_Germany
|
| gptkbp:displayedAt |
gptkb:Bletchley_Park_Museum
|
| https://www.w3.org/2000/01/rdf-schema#label |
Enigma M4
|
| gptkbp:introduced |
1942
|
| gptkbp:manufacturer |
gptkb:Heimsoeth_&_Rinke
|
| gptkbp:notableEvent |
capture of U-559 codebooks aided decryption
|
| gptkbp:notableFor |
increased security over previous Enigma models
used for U-boat communications |
| gptkbp:numberOfEngines |
4
|
| gptkbp:predecessor |
gptkb:Enigma_I
|
| gptkbp:relatedTo |
gptkb:Enigma_machine
|
| gptkbp:successor |
none
|
| gptkbp:usedBy |
gptkb:Kriegsmarine
gptkb:German_Navy |
| gptkbp:usedDuring |
gptkb:World_War_II
|
| gptkbp:usedFor |
military encryption
|
| gptkbp:bfsParent |
gptkb:Enigma_machine
|
| gptkbp:bfsLayer |
5
|