Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
crypt
|
| gptkbp:alsoKnownAs |
gptkb:Type_B_Cipher_Machine
|
| gptkbp:countryOfOrigin |
gptkb:Japan
|
| gptkbp:decipheredBy |
gptkb:United_States
gptkb:Genevieve_Grotjan_Feinstein gptkb:Frank_Rowlett gptkb:William_Friedman |
| gptkbp:displayedAt |
gptkb:National_Cryptologic_Museum
|
| gptkbp:firstBroken |
1940
|
| https://www.w3.org/2000/01/rdf-schema#label |
Purple cipher
|
| gptkbp:mechanismOfAction |
electromechanical
|
| gptkbp:message |
1941 message about Pearl Harbor attack
|
| gptkbp:relatedTo |
gptkb:Enigma_machine
gptkb:SIGABA JN-25 Red cipher |
| gptkbp:replacedBy |
Red cipher
|
| gptkbp:usedBy |
gptkb:Imperial_Japanese_Navy
|
| gptkbp:usedDuring |
gptkb:World_War_II
|
| gptkbp:usedFor |
diplomatic communications
|
| gptkbp:bfsParent |
gptkb:Military_Signals_Intelligence_Service
|
| gptkbp:bfsLayer |
7
|